CLIVeT HYDRO-M Multisplit Tank Installation Guide
- June 10, 2024
- CLIVeT
Table of Contents
HYDRO-M Multisplit Tank
Product Information: Multisplit Hydro-M 80M
The Multisplit Hydro-M 80M is an innovative multi-system by
Midea that combines air-to-air and air-to-water technology to
provide an all-in-one solution for space cooling, space heating,
and domestic hot water demands. The system consists of an outdoor
unit, hydraulic module, indoor unit of air conditioner, and a user
controller.
General Information
The product manual contains information on the system schematic,
engineering data, product features, and installation instructions.
The system supports three scenarios:
-
Scenario 1: Use of multi-split air conditioners – the indoor
unit provides cooling (dehumidifying), heating, fresh air while the
hydraulic module provides domestic hot water and space
heating. -
Scenario 2: Only used for space heating – the hydraulic module
provides space heating through a heat exchanger or electric heating
tank. -
Scenario 3: Space heating and domestic hot water – the domestic
hot water is supplied by the domestic hot water storage tank
connected to the hot water generator.
Engineering Data
The product manual provides general specifications, dimensional
drawings, schematic diagrams, electrical wiring diagrams, and
indoor printed circuit board diagrams. The system supports
additional refrigerant charge and electrical wiring
engineering.
Product Features
The product manual provides information on operation modes and
functions, wired controller functions, and SMART KIT configuration
guidelines. The system supports wired controller functions for ease
of use.
Installation
The product manual provides detailed installation instructions
covering location selection, indoor unit installation, outdoor unit
installation, refrigerant pipe installation, vacuum drying and
leakage checking, water pipework, additional refrigerant charge,
engineering of insulation, selection of water tank, test operation,
and error code diagnosis.
Product Usage Instructions
Before using the Multisplit Hydro-M 80M, it is important to
follow the installation instructions provided in the product manual
carefully. Once installed, follow these usage instructions:
-
Select the appropriate scenario based on your space cooling,
space heating, and domestic hot water demands. -
Use the wired controller to set the desired temperature and
mode of operation for the indoor unit of air conditioner and the
hydraulic module. -
For scenario 1 and 3, ensure that the hot water generator is
connected to a domestic hot water storage tank for continuous
supply of hot water. -
For scenario 2 and 3, ensure that the outlet water temperature
of the hydraulic module is set in accordance with different loads
(floor heating or heating radiator) or room temperature. -
For all scenarios, regularly check for error codes and perform
regular maintenance to ensure optimum performance and longevity of
the system.
TECHNICAL MANUAL MULTISplit
HYDRO-M 80M
TM21N041GB-00
R32
01/2022
Table of Contents
Page
1. General Information …………………………………………………………………………. 4
1. System Schematic 2. Unit Parts 3. Model Reference 4. External Appearance
5. Indoor unit combination 6. Nomenclature
2. Engineering Data ……………………………………………………………………………… 22
1. General Specifications 2. Dimensional Drawings 3. Part Names 4 Schematic
Diagram 5. Electrical Wiring Diagrams 6. Indoor Printed Circuit Board Diagram
7. Electrical Characteristics
3. Product Features ………………………………………………………………………………. 24
1. Operation Modes and Functions 2. Wired Controller Functions 3. SMART KIT
Configuration Guidelines
4. Installation ………………………………………………………………………………………. 59
1. Installation Overview 2. Location Selection 3. Indoor Unit Installation 4.
Outdoor Unit Installation
Table of Contents
5. Refrigerant Pipe Installation 6. Vacuum Drying and Leakage Checking 7.
Water Pipework 8. Additional Refrigerant Charge 9. Engineering of Insulation
10. Engineering of Electrical Wiring 11. Selection of Water Tank 12. Test
Operation 13. Error Code
Page
General Information
Contents
1. System Schematic ……………………………………………………………………………………..5 2. Unit
Parts………………………………………………………………………………………………..16 3. Model
Reference……………………………………………………………………………………..18 4. External Appearance
……………………………………………………………………………….18 5. Indoor unit combination
………………………………………………………………………….19 6.
Nomenclature………………………………………………………………………………………….20
General Information
1. System Schematic
With innovation technology, Midea combine Air to Air and Air to Water in the
same multi system, providing an all-in-one solution for demands of space
cooling, space heating and domestic hot water.
1.1 Scenario 1:Use of multi-split air conditioners
Indoor unit: cooling (dehumidifying), heating, fresh air, hydraulic module:
domestic hot water, space heating
There is a mode conflict among cooling (dehumidifying), heating and the space
heating. The domestic hot water mode doesn’t have conflicts with other modes,
they can be switched on simultaneously but cannot be operated simultaneously.
Domestic hot water mode is preferred by default (and can be canceled by
operating the wired controller). After the hot water reaches the set
temperature, other modes can be operated, and it can also be avoided by hot
water timing. If the hot water mode is not preferred, it will be operated
intermittently with other modes until one mode reaches the set temperature or
the unit is shut down.
30
30
30
2 1
1 Outdoor unit
11
2 Hydraulic module
9 Floor heating
11 Domestic hot water storage tank
30 Indoor unit of air conditioner
9
Reserved functions: Simultaneous operation of hydraulic module and heating can
be set with the wired controller, but the user shall be reminded of it in the
instructions. This setting may lead to poorer heating effect of indoor unit of
the air conditioner or poorer space heating effect or longer duration or
higher power consumption for the domestic hot water to reach the set
temperature. If the domestic hot water cannot reach the set temperature for a
long time, the hydraulic module and the EA heater of the water tank will be
started to ensure the domestic hot water temperature;
Page 5
General Information
1.2 Scenario 2:Only used for space heating
The outlet water temperature of the hydraulic module is set by using the user
controller, and the outlet water temperature is set in accordance with
different loads (floor heating or heating radiator) or room temperature. When
the outlet water temperature reaches the set temperature, the hot water
generator will shut down. External circulating water pumps may be connected to
the pipelines to increase the pumping head, and water pump interfaces are
reserved on the main board.
2
6
34
5
1
9
77
8
1 Outdoor unit 2 Hydraulic module 3 Heat exchanger 4 Electric heating tank 5 Built-in circulating water pump
6 User controller 7 Shut-off valve (field supplied) 8 External circulating water pump (field supplied) 9 Floor heating
Page 6
General Information
1.3 Scenario 3: Space heating and domestic hot water
The domestic hot water is supplied by the domestic hot water storage tank
connected to the hot water generator, the hot water tank is connected by
electric 3-way valve and feedwater line, the main control feed tank has
reserved temperature sensor and immersion electric heater interfaces
(achieving disinfection and EA heating functions), there is no water tank by
default in the system, and they needs to be started by dialing on the main
board.
11
2
6
34
15 14
13
12
5
1
16
9
77 10
8
1 Outdoor unit 2 Hydraulic module 3 Heat exchanger 4 Electric heating tank 5 Built-in circulating water pump 6 User controller 7 Shut-off valve (field supplied) 8 External circulating water pump (field supplied)
9 Floor heating 10 Electric 3-way valve (field supplied) 11 Domestic hot water storage tank 12 Heating coil 13 Immersion electric heater 14 Temperature detection tube (for water temperature sensor) 15 Magnesium anode (for electrochemical corrosion) 16 Drain outlet
Page 7
General Information
1.4 Scenario 4: Space heating, space cooling (reserved) and domestic hot water
A floor heating loop and a fan coil unit are used for space heating, and a fan
coil unit is used for space cooling. The domestic hot water is supplied by the
water tank connected to the hydraulic module. The start and stop of air
conditioning and heating and domestic hot water are controlled by the outlet
water temperature of the hydraulic module and the water tank temperature
respectively. In space cooling mode, close the 2-way valve to prevent the cold
water from entering the floor heating loop.
11
2
6
15
14
18
13
34
12
5
1
16
9
77 10
8
17
1 Outdoor unit 2 Hydraulic module 3 Heat exchanger 4 Electric heating tank 5 Built-in circulating water pump 6 wired controller 7 Shut-off valve (field supplied) 8 External circulating water pump (field supplied) 9 Floor heating
10 Electric 3-way valve (field supplied) 11 Domestic hot water storage tank 12 Heating coil 13 Immersion electric heater 14 Temperature detection tube (for water temperature sensor) 15 Magnesium anode (for electrochemical corrosion) 16 Drain outlet 17 Electric 2-way valve 18 Fan coil
Page 8
General Information
1.5 Scenario 5: Space heating and domestic hot water + return water function
A return water function is provided for the domestic hot water. The start and
stop of the return water pump are controlled by the return water temperature,
so there is no waiting for the use of hot water. The main board has return
water pump and return water temperature sensor interfaces, which are started
by dialing on the main board (the return water pump and the mixing water pump
share an interface, the mixing water pump is defaulted in the system).
11
2
6
34
15
14
20
13
19
12
5
1
16
9
77
8
10
1 Outdoor unit 2 Hydraulic module 3 Heat exchanger 4 Electric heating tank 5 Built-in circulating water pump 6 wired controller 7 Shut-off valve (field supplied) 8 External circulating water pump (field supplied) 9 Floor heating 10 Electric 3-way valve (field supplied)
11 Domestic hot water storage tank 12 Heating coil 13 Immersion electric heater 14 Temperature detection tube (for water temperature sensor) 15 Magnesium anode (for electrochemical corrosion) 16 Drain outlet 19 Return water pump 20 Return water temperature sensor
Page 9
General Information
1.6 Scenario 6: Only used for space heating (suitable for multiple terminals,
water temperature adjustment)
During heating, the user can connect multiple terminals simultaneously, e.g.
floor heating system and heating radiators (or fan coils). However, as the
water temperature required for the heating radiator is higher than that
required for the floor heating, a mixing water valve and a mixing water pump
are provided for the floor heating to adjust the water temperature of the
floor heating. For example, if the set outlet water temperature of the
hydraulic module is 55°, the floor heating temperature can be controlled at
35° by the mixing water valve to prevent damages to the floor due to high
temperature. The mixing water valve is controlled by itself. The main board
has a reserved mixing water pump interface (the return water pump and the
mixing water pump share an interface, the mixing water pump defaulted in the
system, and the mixing water pump can also be connected to the 2-way valve
interface when the return water pump and the mixing water pump are needed
simultaneously).
2
6
23
34
5
8
1
77
9 22
21
1 Outdoor unit 2 Hydraulic module 3 Heat exchanger 4 Electric heating tank 5 Built-in circulating water pump 6 User controller
7 Shut-off valve (field supplied) 8 External circulating water pump (field supplied) 9 Floor heating 21 Mixing water pump 22 Mixing water valve 23 Heating radiator
Page 10
General Information
1.7 Scenario 7: Space heating (with auxiliary heating source) and domestic hot
water
1. EA heater for pipeline: A pipeline electric heater is installed on the
space heating mains, with its start and stop controlled by the main
temperature senor, and the main board has reserved auxiliary heating source
and heating water main temperature sensor interfaces.
11
2
6
15
14
18
13
34
12
5
1
16
9
77 10
25 24 8
17
1 Outdoor unit 2 Hydraulic module 3 Heat exchanger 4 Electric heating tank 5 Built-in circulating water pump 6 wired controller 7 Shut-off valve (field supplied) 8 External circulating water pump (field supplied) 9 Floor heating 10 Electric 3-way valve (field supplied)
11 Domestic hot water storage tank 12 Heating coil 13 Immersion electric heater 14 Temperature detection tube (for water temperature sensor) 15 Magnesium anode (for electrochemical corrosion) 16 Drain outlet 17 Electric 2-way valve 18 Fan coil 24 Heating water main temperature sensor 25 EA heater for pipeline
Page 11
General Information
1.8 Scenario 8: Space heating (with auxiliary heating source) and domestic hot
water
2. Other auxiliary heating sources: An auxiliary heating source is installed
on the space heating mains, with its start and stop controlled by the main
temperature senor, and the main board has reserved auxiliary heating source
and heating water main temperature sensor interfaces.
11
2
6
15
14
26
18
13
34
12
1
5
16
27
9
77 10
24 8
17
1 Outdoor unit 2 Hydraulic module 3 Heat exchanger 4 Electric heating tank 5 Built-in circulating water pump 6 wired controller 7 Shut-off valve (field supplied) 8 External circulating water pump (field supplied) 9 Floor heating 10 Electric 3-way valve (field supplied)
11 Domestic hot water storage tank 12 Heating coil 13 Immersion electric heater 14 Temperature detection tube (for water temperature sensor) 15 Magnesium anode (for electrochemical corrosion) 16 Drain outlet 17 Electric 2-way valve 18 Fan coil 24 Heating water main temperature sensor 26 auxiliary heating source 27 One-way valve
Page 12
General Information
1.9 Scenario 9: External signal interface
The hydraulic module has a reserved external on/off signal interface. When it
is on, the hydraulic module will operate according to the wired controller
setting; when it is off, the hydraulic module will shut down.
2
6
34
28
5
1
9
77
8
1 Outdoor unit 2 Hydraulic module 3 Heat exchanger 4 Electric heating tank 5 Built-in circulating water pump
6 wired controller 7 Shut-off valve (field supplied) 8 External circulating water pump (field supplied) 9 Floor heating 28 External signal interface
Page 13
1.10 Scenario 10: Schematic Diagram 1 of multi-split air conditioning system
General Information
30 30 30
11
2
6
15 1413 20
12 19
34
31
16
23
1
5
8
77
25 24
17 22 21
28 9
9
9
10
34
29
32 33
1 Outdoor unit 2 Hydraulic module 3 Heat exchanger 4 Electric heating tank 5
Built-in circulating water pump 6 wired controller 7 Shut-off valve (field
supplied) 8 External circulating water pump (field supplied) 9 Floor heating
10 Electric 3-way valve (field supplied) 11 Domestic hot water storage tank 12
Heating coil 13 Immersion electric heater 14 Temperature detection tube (for
water temperature sensor) 15 Magnesium anode (for electrochemical corrosion)
Page 14
16 Drain outlet 17 Electric 2-way valve 19 Return water pump 20 Return water temperature sensor 21 Mixing water pump 22 Mixing water valve 23 Heating radiator 24 Heating water main temperature sensor 25 EA heater for pipeline 28 Sub-catchment 29 Electric actuator 30 Indoor unit of air conditioner 31 External signal interface 32 Filter 33 Differential pressure make-up valve 34 Differential pressure bypass valve
1.11 Scenario 10:Schematic diagram 2 of multi-split air conditioning system
General Information
30 30 30
11
2
6
15 1413 20
12 19
34
31
1
6
23
1
5
26 8
77
27
24
17 22 21
28 9
9
9
10
34
29
32 33
1 Outdoor unit 2 Hydraulic module 3 Heat exchanger 4 Electric heating tank 5 Built-in circulating water pump 6 wired controller 7 Shut-off valve (field supplied) 8 External circulating water pump (field supplied) 9 Floor heating 10 Electric 3-way valve (field supplied) 11 Domestic hot water storage tank 12 Heating coil 13 Immersion electric heater 14 Temperature detection tube (for water temperature sensor) 15 Magnesium anode (for electrochemical corrosion) 16 Drain outlet
17 Electric 2-way valve 19 Return water pump 20 Return water temperature
sensor 21 Mixing water pump 22 Mixing water valve 23 Heating radiator 24
Heating water main temperature sensor 26 auxiliary heating source 27 One-way
valve 28 Sub-catchment 29 Electric actuator 30 Indoor unit of air conditioner
31 External signal interface 32 Filter 33 Differential pressure make-up valve
34 Differential pressure bypass valve
Page 15
General Information
2. Unit Parts
NOTE: The installation must be performed in accordance with the requirement of
local and national standards. The installation may be slightly diferent in
diferent areas. The application examples given below are for illustration
purposes only.
2.1 Auxiliary heat source
2
3
22 25
23 24
12 10
26
4
1 14
7
9 19
6
15
13
M 20 11
5
M
18
21
6
6
16 17
2.2 Pipeline auxiliary electric heating
3
22
2
25
23
24 12 10
26
4
1
14
15
8
9
19
13
20 11
5
6
M
M
21
6
6
16 17
Page 16
General Information
1. Outdoor unit
15. Electric three-way valve
2. Hydraulic module
3. Domestic hot water storage tank
4. Radiator
5. Water separator
6. Floor heating
7. Auxiliary heat source
If the unit selection is too small, additional heat is provided.
8. Pipeline auxiliary electric heating
If the unit selection is too small, additional heat is provided.
9. External circulating water pump
When the water resistance is greater than the head provided by the internal
machine, the pump shall be added to the branch with excessive water
resistance.
Used for switching between heating and domestic hot water mode, working with
domestic hot water tank.
16. Filter
Water supply system,flter impurities.
17. Differential pressure make-up valve
Adjust the system water pressure to ensure that it is in the normal working
range.
18. Check valve
To prevent the internal machine water supply from fowing back into the
external heat source 7, this valve is not needed for electric pipeline
heating.
19. Electric two-way valve
It is used when there is cooling mode.
20. Mixing valve
Used with mixed water pump.
10. Backwater pump
21. Differential pressure bypass valve
Control the pump switch through the back-water temperature-sensing package to keep hot water at any time.
In the case of multiple branch water closure, bypass water fow to ensure suffcient water fow to prevent water fow failure.
11. Mixing water pump
22. Anode magnesium rod
With the water mixing valve, lower the temperature of the foor heating, and do
not install it when there is no radiator.
12. Return water temperature sensing bag
Control the operation of return water pump and keep hot water available at any
time.
13. Heating water supply main pipe temperature sensing package
Work with external heat source 7 or 8.
14. Globe valve
Close water fow for maintenance.
Improve corrosion resistance, need to be replaced regularly. 23. Electric immersion heater Used for auxiliary heating and sterilization. 24. Heating coil Heat the water in the water tank to isolate the heating water. 25. Temperature probe tube Place a water tank temperature sensing package to control the temperature of domestic hot water. 26. Sewage outlet used for water tank cleaning.
NOTE: In addition to the outdoor unit and hydraulic module, other materials are prepared by users. 22-26 is an indispensable part of domestic hot water tank.
Page 17
General Information
3. Model Reference
Refer to the following table to determine the specific indoor unit model
number of your purchased equipment.
Indoor Unit Model IHM1-Y 80M
Outdoor Unit Model MU2-Y 105M
Capacity (Btu/h) 36k~42K
Capacity (Btu/h) 36k
Power Supply 1, 220-240V~, 50Hz
Power Supply 1, 220-240V~, 50Hz
4. External Appearance
IHM1-Y 80M
Outdoor Unit
Page 18
General Information
5. Indoor unit combination
One unit Two unit Three unit
Four unit
7
7+ATW 7+7+ATW 9+12+ATW 7+7+7+ATW
9
9+ATW 7+9+ATW 9+18+ATW 7+7+9+ATW
12
12+ATW 7+12+ATW 12+12+ATW 7+7+12+ATW
18
18+ATW 7+18+ATW 12+18+ATW 7+7+18+ATW
ATW
9+9+ATW 18+18+ATW 7+9+9+ATW
Note: ATW can only be connected with an A system.
7+9+12+ATW 7+9+18+ATW 9+9+9+ATW 9+9+12+ATW 9+9+18+ATW
9+12+12+ATW 9+12+18+ATW 12+12+12+ATW 12+12+18+ATW
QUESTE PAGINE DA 19 A 21 SONO DA TOGLIERE?
Page 19
General Information
6. Nomenclature
Indoor unit:
Page 20
General Information
Outdoor unit: Page 21
Engineering Data
Contents
1. General Specifications ……………………………………………………………………………..23 2. Dimensional
Drawings …………………………………………………………………………….26 3. Part Names
……………………………………………………………………………………………..28 4 Schematic Diagram
………………………………………………………………………………….29 5. Electrical Wiring Diagrams
……………………………………………………………………….30 6. Printed Circuit Board Diagram
………………………………………………………………….31 7. Electrical Characteristics
…………………………………………………………………………..37
Engineering Data
1. General Specifications
Indoor model
Function
Power supply
Rated input
Rated current
Indoor Temperature Range(ATW)
Heating Domestic Hot Water
Room Temperature Flow Temperature Flow Temperature
Operating Temperature Range
Air-to-Air Air-to-Water
Cooling Heating Heating Domestic Hot Water
Sound pressure level
Sound Power Level
Dimension(WHD)
Packing (WHD)
Net/Gross weight
Piping connections
Safety valve set pressure
Drainage pipe connection
Volume
Water circuit
Expansion tank Max. water pressure
Pre-pressure
Water side exchanger
Type
Water pump head
Refrigerant piping
Liquid side/ Gas side
Power source
Auxiliary electric heater
Rated input
Rated current
V- Ph-Hz kW A °C °C °C °C °C °C °C dB(A) dB(A) mm mm Kg mm MPa mm L MPa MPa
m mm(inch) V- Ph-Hz
kW A
IHM1-Y 80M Heating and DHW
220~240-1-50 0.30 1.95 0~43 25~60 35~55
-15~50 -15~24 -20~24 -20~43
32 44 490x918x325 570x1055x415 56/64 28 0.3 16 5 0.8 0.15
Plate
8 6.35/12.7(1/4″/1/2″)
220~240-1-50 3.0 13.5
Notes:
1. Sound pressure level is tested at outdoor air temperature 7°C DB, 85% R.H
; inlet water temperature 30°C, outlet water temperature 35°C.
Page 23
Engineering Data
Air-to-Air
Outdoor model Power supply
Cooling Heating
Seasonal Cooling
Seasonal Heating
Capacity Capacity Power Input
EER Capacity Capacity Power Input
COP Pdesign C
SEER Energy Efficiency
Class Annual Consump-
tion Pdesign H
SCOP Energy Efficiency
Class Annual Consump-
tion
V- Ph-Hz BTU/H
kW kW W/W BTU/H kW kW W/W kW
kWh
kWh
MU2-Y 105M 220~240-1-50
36000 10.6 3.5 3.01 38000 11.1
3 3.71 10.6 6.1
A++
613
8.8 3.8
A
3246
Page 24
Air-to-Water
Outdoor Unit Refrigerant piping
Capacity
Heating(A+7°C, LW35°C)
Capacity Power Input
COP
Capacity
Heating(A+7°C, LW45°C)
Capacity Power Input
COP
Capacity
Heating(A+7°C, LW55°C)
Capacity Power Input
COP
Capacity
Heating(A+2°C, LW35°C)
Capacity Power Input
COP
Capacity
Heating(A+2°C, LW55°C)
Capacity Power Input
COP
Capacity
Heating(A-7°C, LW35°C)
Capacity Power Input
COP
Capacity
Heating(A-7°C, LW55°C)
Capacity Power Input
COP
Heating(A+7°C, LW35°C)
RANK SCOP s
Heating(A+7°C, LW55°C)
RANK SCOP
s
Dimension(WDH)
Packing (WDH)
Net/Gross weight
Type
Refrigerant
GWP
Charged quantity
Sound Pressure Level
Sound Power Level
Liquid side/ Gas side
Max. length for all rooms Max. length for one indoor unit Max. height difference between indoor and outdoor unit Max. height difference between indoor units
BTU/H kW kW W/W
BTU/H kW kW W/W
BTU/H kW kW W/W
BTU/H kW kW W/W
BTU/H kW kW W/W
BTU/H kW kW W/W
BTU/H kW kW W/W
%
% mm mm Kg
Kg dB(A) dB(A) mm(inch)
m m m m
27296 8 1.8 4.4
27296 8 2.5 3.2
27296 8 3.3 2.4
27296 8 2.6 3.1
27296 8 3.8 2.1
27000 7.9 3.2 2.5
24000 7.0 4.4 1.6 A++ 4.26 167 A+ 2.93 114
946x410x810 1090x500x875
68.8/75.6 R32 675 2.1 63 67
4 x 6.35/3x 9.52+1×12.7(4×1/4 “/3×3/8″+1×1/2″) 80 35
15
10
Page 25
Engineering Data
Engineering Data
2. Dimensional Drawings
Indoor unit:
490
Page 26
918
Engineering Data
Outdoor unit: MU2-Y 105M
Page 27
Engineering Data
3. Part Names
14 1
2 3 4 5
6
7 15 8
1. Expansion Vessel 2. Automatic air purge valve 3. Auxiliary heater vessel 4
. Flow switch 5. Drain valve 6. Water inlet Ø1″ (welded
connections) 7. Water outlet Ø1” (welded
connections) 8. Refrigerant liquid
connection 9. Drainage
16
13
12
17 11
10
9
10. Refrigerant gas connection 11. Manometer 12. Relief valve 13. Pump 14.
Refrigerant to water heat exchanger 15. Y-style filter ( There is an filter
inside. ) 16. Electric control box 17. Wired controller
Page 28
Engineering Data
4. Schematic Diagram 2
:8E5[Z
1
3
:8E/T
13
11
:=E5[Z
12 10
F
14
:=E/T
5
15
:=
4
7
9
6 8
1. Outdoor unit 2. Indoor unit 3. Refrigerant to water heat exchanger 4. Manometer 5. Pump 6. Shut-off valve 7. Filter 8. Auto-water replenishing
9. Shut-off valve 10. Flow switch 11. Auxiliary heater vessel
(Separate power supply) 12. Pressure relieve valve 13. Automatic air purge
valve 14. Drain valve 15. Expansion vessel
Page 29
Engineering Data
5. Electrical Wiring Diagrams
Indoor unit: IHM1-Y 80M Outdoor unit: MU2-Y 105M
Page 30
Engineering Data
6. Printed Circuit Board Diagram
Indoor unit printed circuit board diagram IHM1-Y 80M
Page 31
Engineering Data
No. Name
CN#
Meaning
CN600
1
Pump
connect to pump
CN5
2
PWM
CN80 connect to flow switch
TW_O
connect to temperature sensor of exchanger outlet
TW_I
connect to temperature sensor of exchanger inlet
3
CN200
TR_O
connect to temperature sensor of refrigerant gas
TR_I
connect to temperature sensor of refrigerant liquid
4
TW1
CN201 connect to temperature sensor of outlet water of hydraulic module
5
WIRE
CN40 connect to wire controller
CN13
6
HEATER
CN11 RY4
connect to heater
RY2
Remote control (ON-OFF) terminal port
7
ONOFF
CN400
The voltage of the port is 12V DC
8
TK
CN202 connect to temperature sensor of water of water tank
9
TH
CN203 connect to temperature sensor of return water
10
TW1B
CN204 connect to temperature sensor of total outlet water
11
Pumpo
connect to pump
12
PumpT
CN7 connect to pump for return water/pump for mixing water
13
SV2
connect to 2-way valve
14
AHS
connect to assistant heat source
15 K_heater2
CN8 connect to water tank heater
CN9
16 SV3_1, SV3_2
connect to 3-way valve
Note: This section is for reference only. Please take practicality as
standard.
Page 32
Engineering Data
Outdoor unit printed circuit board diagram MU2-Y 105M
Page 33
Engineering Data
No. Name
CN#
Meaning
1
S-A
2
S-B
3
S-C
4
S-D
5
S-E
L-IN 6
N-IN
CN30 CN29 CN28 CN27 CN26 CN1 CN2
Current loop communication A, signal wire, connect to the terminal (24V DC
Pulse wave)
Current loop communication B, signal wire, connect to the terminal (24V DC
Pulse wave)
Current loop communication C, signal wire, connect to the terminal (24V DC
Pulse wave)
Current loop communication D, signal wire, connect to the terminal (24V DC
Pulse wave)
Current loop communication E, signal wire, connect to the terminal (24V DC
Pulse wave)
Power supply, connect to the terminal (208-230V AC)
7
Test report CONdebug Connect to detector
8
Fuse
9
SW1
10
DSP1
Fuse 1 SW1 DSP1
Fuse T30A/250V Digital display button Digital display
11
CN23
12
CN14
N-OUT 13
L-OUT
14
CN7
15 LOW / HIGH
16
T3 / T4
CN23 CN14 CN5 CN6 CN7 CN9 CN8
CN23 reserve Connect to exhaust temperature sensor
Connect to the terminal (208-230V AC)
Connect to inverter driver Connect to high and low pressure sensor Connect to
T3 / T4 temperature sensor
17
Fuse
L 18
N
CN42 19
CN41
Fuse 2 CN22 CN3 CN42 CN41
Fuse 5A/250V Connect to the 4-way valve. When the 4-way is ON, output 208-
230V AC.
Connect to motor capacitor
Page 34
No. Name
CN#
Meaning
20
AC Fan
CN43 Connect to AC fan motor
CN20 connect to Electric Expansion Valve A
21
Electronic Expansion valve
CN21 CN17 CN18
connect to Electric Expansion Valve B connect to Electric Expansion Valve C connect to Electric Expansion Valve D
CN19 connect to Electric Expansion Valve E
Note: This section is for reference only. Please take practicality as standard.
Engineering Data
Page 35
Engineering Data
Outdoor unit IPM board diagram: MU2-Y 105M
Page 36
Engineering Data
No. Name
1 OUT FAN (DC)
2
W
3
V
4
U
5
CN54
6
CN51
7
CN53
8
CN52
9
CN55
CN#
CN19 J13 J10 J7
CN54 CN51 CN53 CN52 CN55
Meaning
Connect to DC motor Connect to compressor W Connect to compressor V Connect to
compressor U Connect to main PCB CN6 Connect to PFC inductor Connect to main
PCB CN5 Connect to PFC inductor Connect to main PCB CN7
7. Electrical Characteristics
Model Phase
INDOOR UNIT POWER
Frequency and Voltage Power Wiring (mm2)
Indoor/Outdoor Connecting Wiring
Circuit Breaker/ Fuse (A) Strong Electric Signal)mm2) Weak Electric Signal(mm2)
IHM1-Y 80M 1-phase
220-240V, 50Hz 3×2.5 32/16 4×1.0
Page 37
Product Features
Contents
1. Operation Modes and Functions ………………………………………………………………39 1.1
Abbreviation……………………………………………………………………………………39 1.2 Safety Features
………………………………………………………………………………..39 1.3 Engineer mode
………………………………………………………………………………..39 1.4 Mode conflicts and
priorities………………………………………………………………41 1.5 Space Heating Mode
………………………………………………………………………..42 1.6 DHW Mode
…………………………………………………………………………………….44 1.7 Heat&DHW Mode
……………………………………………………………………………45 1.8 Return Water Function
……………………………………………………………………..45 1.9 Water Tank Disinfection
Function………………………………………………………..46 1.10 ECO Function
………………………………………………………………………………….46 1.11 Auto-Restart
Function……………………………………………………………………….46 1.12 Commissioning and other related
functions ………………………………………….46
2. Wired Controller Functions ………………………………………………………………………48 3. SMART KIT
Configuration Guidelines ……………………………………………………….53
Product Features
1. Operation Modes and Functions
1.1 Abbreviation
Unit element abbreviations
Abbreviation TW_in
TW_out
TW1
TW1B
TR_in TR_out Tk TH
TW1S
TkS
ThS
T3 T4 TP
Element
Water inlet temperature of hydraulic module
Water outlet temperature of heat exchanger
Water outlet temperature of hydraulic module
Total outlet temperature of hydraulic module system (after expansion tank)
Liquid pipe temperature
Gas pipe temperature
Water temperature of the water tank
Backwater temperature of the water tank
Setting temperature of exchanger outlet water
Setting temperature of the water tank
Setting temperature of water of water tank
Coil temperature of condenser
Outdoor ambient temperature
Compressor discharge temperature
1.2 Safety Features
1.2.1 Water pump anti-stuck control
72 hours of no pump operation, the unit is forced operation for 30 seconds.
1.2.2
Temperature sensor of heat exchanger inlet and outlet water shedding protection
If TW_out-TW_in -3°C for 60S, the unit ceases operation.
the adjustment interface, the parameters will be subject to blinking display, and then adjust them by UP and DOWN keys. After completion of adjustment, press OK key to confirm the parameters.
- Choose F:01, indicating the volume of the water tank. The value of the water tank of the indoor unit is displayed in the temperature setting area. Water tank volume=displayed value*10.
- Choose F:02, indicating the maximum ambient temperature for heating operation, ranging from 35°C to 60°C.
- Choose F:03, indicating the minimum ambient temperature for heating operation, ranging from -22°C to 0°C.
- Choose F:04, indicating the setting value of start-stop return difference control for heating mode, ranging from 2°C to 10°C.
- Choose F:05, indicating the running interval of the water pump in standby mode, ranging from 1min to 60min.
- Choose F:06, indicating the continuous running time of the water pump in standby mode, ranging from 3min to 60min.
- Choose F:07, indicating the ambient temperature for startup of the built-in EA heater of the hydraulic module, ranging from -15°C to 10°C.
- Choose F:08, indicating the temperature return difference for startup of the built-in EA heater of the hydraulic module, ranging from 2°C to 10°C.
- Choose F:09, indicating the delayed startup time of the built-in EA heater
of the hydraulic module, ranging from 15min to 120min.
10)Choose F:10, indicating the delayed startup time between the first group and the second group of the built-in EA heater, ranging from 5min to 30min. - Choose F:11, indicating the delayed startup time between the second group
and the third group of the built-in EA heater, ranging from 5min to 30min.
12)Choose F:12, indicating the temperature return difference for startup of the external heat source, ranging from 2°Cto 10°C.
1.3 Engineer mode
1.3.1 Enter the engineer mode In shutdown state, press DHW and SET keys
simultaneously for 5s to enter the engineer mode, and choose the parameters to
be adjusted by pressing UP and DOWN keys. To set the parameters chose, press
SET key to enter
- Choose F:13, indicating the startup time lag of the external heat source, ranging from 15min to 120min.
- Choose F:14, indicating the ambient temperature for startup of the external heat source, ranging from -15°C to 10°C.
Page 39
Product Features
- Choose F:15, indicating the temperature return difference of the heating water, ranging from 2°C to 10°C.
- Choose F:16, indicating the water temperature of water tank for startup of the EA heater, ranging from 40°C to 54°C.
- Choose F:17, indicating the continuous running time of heating in heating
- heating water mode, ranging from 60min to 240min.
-
Choose F:18, indicating the continuous running time of heating water in heating + heating water mode, ranging from 60min to 180min.
-
Choose F:19, indicating the set temperature of the return water, ranging from 15°C to 60°C.
-
Choose F:20, indicating the temperature return difference of the return water, ranging from 0°C to 8°C.
-
Choose F:21, indicate the continuous running time of the return water, ranging from 5min to 60min.
-
Choose F:22, indicating the interval time of the return water, ranging from 10min to 120min.
-
Choose F:23, indicating the disinfection temperature of the water tank, ranging from 65°C to 70°C.
-
Choose F:24, indicating the continuous disinfection time of the water tank, ranging from 30min to 120min.
25)Choose F:25, indicating the antifreezing trigger temperature for shutdown, ranging from 1°C to 4°C. -
Choose F:26, indicating the heating water priority of the hydraulic module: 0: no priority; 1: priority.
-
Choose F:27, indicating whether the automatic return water is valid: 0: invalid; 1: valid.
28)Choose F:28, indicating the operation method of the water pump in the shutdown mode at the specified temperature: 0: intermittent; 1: continuous. -
Choose F:29, indicating whether the built-in EA heater is allowed to be on: 0: forbidden; 1: allowed.
-
Choose F:30, indicating whether the service EA heater is allowed to be on: 0: forbidden; 1: allowed. (Reserved function, cannot be used)
31)Choose F:31, indicating whether the EA heater of the water tank is allowed to be on: 0: forbidden; 1: allowed. (Reserved function, cannot be used)
32)Choose F: 32, indicating whether the water heating mode is prior to the indoor unit of the air conditioner: 0: No; 1: Yes. -
Choose F: 33, indicating whether the hydraulic module and the indoor unit of the air conditioner are allowed to operate at the same time: 0: No; 1: Yes.
-
Choose F:34, indicating the forced refrigeration function: OF: off; On: on. In case of forced refrigeration, press ON/OFF and RETURN to exit the forced refrigeration. Other keys are invalid.
1.3.2 Query Mode -
In On or Off state, press SET for 2 seconds and enter the query mode.
-
Enter the engineer mode, if CL is displayed in the time zone at the lower right corner, it indicates the cleaning function. Now press SET and enter the setting interface. Press UP and DOWN and choose ON or OFF, and then press OK for confirmation. Choose ON to turn on the cleaning function. Meanwhile, CL is displayed on the screen. Press ON or BACK to exit, or exit after the indoor unit completes the cleaning function.
-
Press UP and DOWNF and choose other parameters for query. If Fb is chosen, turn on the forced water return function. Press SET and enter the setting interface to choose whether such function is started. Choose ON to turn on such function.
-
Press UP and DOWNF and choose other parameters for query. If Cb is chosen, turn on the disinfection timing function. Press SET and enter the setting interface to choose whether the forced water return function is started. Choose ON to turn on the forced water return function. Set the day of the week, press OK and enter the time setting, and then press OK to confirm.
-
Press UP and choose T: 01, indicating the temperature of inlet water (TW_in).
-
Choose T: 02, indicating the temperature of exchanger outlet water temperature sensor (TW_out).
-
Choose T: 03, indicating the temperature of outlet water of hydraulic module (TW1).
-
Choose T: 04, indicating the temperature of outlet water of temperature sensor for refrigerant gas (TR_ out).
-
Choose T: 05, indicating the temperature of inlet water of temperature sensor for refrigerant liquid (TR_in).
10)Choose T: 06, indicating the temperature of water tank (Tk).
11)Choose T: 07, indicating the temperature of temperature sensor for return water (TH).
12)Choose T: 08, indicating the temperature of total outlet water of TW1B system.
Page 40
13)Choose T: 09, indicating the temperature of outdoor T3.
14)Choose T: 10, indicating the temperature of outdoor T4.
15)Choose PU: 11, indicating the status of pump.
16)Choose Er: 12, indicating the fault code.
17)Press the key for 30 seconds from the last operation, or press Back and
ON/OFF to exit directly.
1.4 Mode conflicts and priorities
Enter the engineer mode to set the parameters chose:
Choose F: 32, indicating whether the water heating mode is prior to the indoor
unit of the air conditioner: 0: No; 1: Yes. default:1
Choose F: 33, indicating whether the hydraulic module and the indoor unit of
the air conditioner are allowed to operate at the same time: 0: No; 1: Yes.
default:0
1.4.1
While the water heating mode is prior to the indoor unit of the air conditioner and the hydraulic module and the indoor unit of the air conditioner are not allowed to operate at the same time(default)
Indoor Hydro-M DHW
Heating
Heating
Intermittent operation1 Mutually exclusive operation
Coolng or drying
Intermittent operation1
Mutually exclusive operation
Fan only
Intermittent operation1 Mutually exclusive operation
Intermittent operation1:
No matter who starts first, as long as the outdoor unit receives the operation
demand of the hot water mode sent by the hydraulic module, it will turn to the
hot water mode. When the hot water reaches the temperature and stops, it will
turn to the indoor mode. When the hot water mode reaches the operation demand
in the process of air conditioning mode operation, it needs to turn to the hot
water mode operation. When the hot water mode is running, the indoor unit is
in standby, and the mode conflict is displayed. When the air conditioner
operates, the hydraulic module only stops when it reaches the temperature, and
there is no need to display the mode conflict. When more than one air
conditioner is turned on at the same time, the indoor units are handled
according to the principle of mode conflict.
Mutually exclusive operation:
According to the principle of “who starts first, who runs first” , it is necessary to wait for the mode that runs first to shut down before switching to another mode. The mode that starts but does not run is in standby mode. When more than one indoor air conditioner is started at the same time, the mode conflict principle is used to deal with the indoor unit. When the indoor unit is running first, as long as one indoor unit is on, the hydraulic module can not run. The indoor unit (hydraulic module or air conditioner indoor unit) in standby mode reports mode conflict.
1.4.2
While the water heating mode is prior to the indoor unit of the air conditioner and the hydraulic module and the indoor unit of the air conditioner are allowed to operate at the same time(optional)
Indoor Hydro-M DHW
Heating
Heating
Intermittent operation1 Running at the same
time
Coolng or drying
Intermittent operation1
Mode conflict
Fan only
Intermittent operation1
Mode conflict
1.4.3
While the water heating mode is not prior to the indoor unit of the air conditioner and the hydraulic module and the indoor unit of the air conditioner are not allowed to operate at the same time(optional)
Indoor Hydro-M DHW
Heating
Heating
Intermittent operation2 Mutually exclusive operation
Coolng or drying
Intermittent operation2
Mutually exclusive operation
Fan only
Intermittent operation2 Mutually exclusive operation
Intermittent operation2:
According to the principle of hot water priority. Standby mode shows mode conflict. If the hot water mode runs first, it needs to wait for the hot water to reach the temperature and stop or the hot water to run continuously for 90 minutes before turning to the indoor unit mode. After the indoor unit runs to the temperature and stops or runs for 120 minutes, if the hot water mode has operation demand at this time, it will turn to the hot water mode. If the indoor mode runs first, and the outdoor unit receives the operation demand signal of the hot water mode and turns to the hot water mode, it needs to wait until the hot water reaches the temperature and stops or the hot water continuously runs for 90 minutes before turning to the indoor mode.
Page 41
Product Features
1.4.4
While the water heating mode is not prior to the indoor unit of the air conditioner and the hydraulic module and the indoor unit of the air conditioner are allowed to operate at the same time(optional)
Indoor Hydro-M DHW
Heating
Heating
Running at the same
time Running at the same
time
Coolng or drying
Fan only
Intermittent Intermittent operation2 operation2
Mode conflict
Mode conflict
1.5 Space Heating Mode 1.5.1 Unit Control
Open the two-way valve and three-way valve connected to heating pipelines for heating. Start the water pump, detect water flow, and start the compressor after water flow is normal.
The built-in water pump and service water pump are started to operate at the same time.
1.5.2 Water Pump Control
· The water pump runs at the highest speed for 5 minutes from off to on. After
running for 5 minutes, according to TP and T to adjust every 40s(T=TW1TW_in)
Water Pump on TP()
95
TP95
TP<90
Product Features
For outdoor ambient temperature limits for heating, the maximum temperature is
set at F: 02(default 43°C), the minimum temperature is set at F: 03, and the
parameter minus 2 is the actual minimum temperature (default 20°C).
If the upper and lower limits are exceeded, the air conditioner will shut
down.
- Choose F:02, indicating the maximum ambient temperature for heating operation, ranging from 35°C to 60°C. The default value is 43°C .
- Choose F:03, indicating the minimum ambient temperature for heating
operation, ranging from -22°C to 0°C. The default value is -18°C .
If the outlet water temperature reaches the set value, the air conditioner will shut down. If such temperature reduces to the difference value, the air conditioner will start. - Choose F:04, indicating the set value of return difference between start and stop of control heating, with the range of 2 ~ 10°C. The default value is 5°C.
90
5min
Runs at highest speed at the first 5min
When TP<95 adjust speeds according to T
When TP95 Runs at highest speedtill TP<90
· If TP<95°C
T >7°C
Decrease by 2% per cycle
3°C T 7°C
hold
T<3°C
Increase by 2% per cycle
· If TP95°C, the water pump runs at the highest speed until TP<90°C, it will
be transferred to normal control.
· After the pump reaches the set temperature and shuts down, it’s in
intermittent operation by default. By starting the pump for 3 minutes and
close it for 10 minutes, it can be changed to continuous operation via
engineering setting, which consumes more electricity.
· Choose F:28, indicating the water pump in the shutdown mode at the set
temperature: 0: intermittent; 1: continuous. Default: 0
· Choose F:05, indicating the running interval of the water pump in standby
mode: 1~60min. Default: 3min.
· Choose F:06, indicating the continuous running time of the water pump in
standby mode: 3~60min. Default: 10min.
Page 42
Product Features
1.5.3 Built-in Electrical Heater Control
Three built-in electric heaters(IBH1, IBH2, IBH3) are installed in the
hydraulic module, each of which is 1550W (now two groups totaling 3100w are
installed). The built-in EA heater can be turned off through engineering
settings.
Choose F:29, indicating whether the built-in EA heater is started: 0:
forbidden; 1: allowed. Default: 1
The priority level is in accordance with forced operation> defrosting
operation> normal operation.
Control the electric heaters according to dTW1_IBH (Default: 5°C)(temperature
difference between electric heater’s inlet and outlet water)
· If TW1TW1S-dTW1_IBH°C, IBH1 is turned on. TW1>TW1S-dTW1_IBH+2°C, IBH1is
turned off.
· If TW1TW1S-dTW1_IBH-2°C, IBH2 is turned on. TW1>TW1S-dTW1_IBH°C, IBH2 is
turned off.
· If TW1TW1S-dTW1_IBH-4°C, IBH3 is turned on. TW1>TW1S-dTW1_IBH-2°C, IBH3 is
turned off.
- Forced Operation Enter Condition:
T =TW1S-TW1(°C)
All Heaters On
· Electric heater is forced to run with wired controller
· If TW1<TW1S- 2C, IBH1,IBH2 and IBH3 are turned on at same time.
· If TW1TW1S, IBH1,IBH2 and IBH3 are turned off at same time.
dTW1_IBH+4 dTW1_IBH+2
dTW1_IBH
IBH1 &JBH2 on IBH3 Off
IBH1 on IBH2 & IBH3 Off
T(°C) 0
All Heaters Off
dTW1_IBH-2
All Heaters Off
-2 All Heaters On
- Defrosting Operation
In defrosting state, the electric heater is controlled according to water outlet temperature TW1.
· If TW1<16°C,IBH1,IBH2 and IBH3 are turned on at same time..
· If TW1>20°C,IBH1,IBH2 and IBH3 are turned off at same time.
TW1(°C) 20
All Heaters Off
1.5.4 Service EA Heating (auxiliary heat source or external heat source)
- Defrosting Operation
In defrosting state, the electric heater is controlled according to water outlet temperature TW1.
· If TW1<16°C,AHS is turned on. · If TW1>20°C,AHS is turned off.
TW1B(°C) 20
AHS Off
16 AHS On
16
3) Normal Operation When T4<-7°C, auxiliary electrical heaters are able to
turned on.
T4(°C) -5 -7
Heaters Off
Heaters able to turn On
- Normal Operation When T4<3°C, AHS is able to turned on.
T4(°C) 5 3
AHS Off
AHS able to turn On
Control the electric heaters according to dTW1_
Page 43
Product Features
AHS(Default: 5°C)(temperature difference between water set and real temp)
· If TW1BTW1S-dTW1_AHS, AHS is turned on. TW1B>TW1S-dTW1_AHS+5°C, AHS is
turned off.
T =TW1S-TW1B(°C)
dTW1_AHS dTW1_AHS-5
AHS on AHS off
1.5.5 Outline of Parts Control
ON Compressor
OFF
ON OFF
ON OFF
ON Water Pump
OFF
ON 3-way Valve
OFF
ON 2-way Valve
OFF
ON OFF
Heating Mode On 20S 60S 60S
TW1
Demand Unit 60S 60S
Reached Detected OFF
Note:
1.3-way valve functions to switch the circulating water between floor-
heating/radiator and water tank.
2.2-way valve functions to close or open the circulating water.
1.6 DHW Mode
1.6.1 Unit Control
T4() 43
Heat Pump Off IBH on
41 Heat Pump On
IBH On -18
-20
Heat Pump Off
IBH On
won’t be connected. If SW1-4 is ON, the temperature sensor and EA heater of
the water tank are active, and at the moment, the return water can be opened.
· If the ambient temperature(T4) is between -20°C and 43°C, the heat pump
heating and the EA heater are used for heating. Otherwise, only EA heater can
be used.
- Choose F:02, indicating the maximum ambient temperature for heating operation, ranging from 35°C to 60°C. The default value is 43°C .
- Choose F:03, indicating the minimum ambient temperature for heating operation, ranging from -22°C to 0°C. The default value is-18°C .
- Choose F: 01, indicating the volume of the water tank. Display the number
of water tanks of the indoor unit in the temperature setting area. Water tank
volume=displayed value*10.
1.6.2 Water Pump Control
· Three built-in electric heaters are installed in the hydraulic module, and their control and heating modes are identical.
· The temperature of the water tank is controlled within 5°C return difference and set via F: 15.
· Close the two-way valve and three-way valve connected to pipelines in the water heating tank for heating. Start the water pump, detect water flow, and start the compressor after water flow is normal.
· Close the service water pump in heating mode.It is suggested that the service water pump should be installed on the heating pipeline instead of on the main pipeline.
1.6.3 Electrical Auxiliary Heater Control
· The AHS of the service EA heater is closed in water heating mode.
· Control of EA heaters of the water tank
· If the ambient temperature(T4) is lower than – 20°C or higher than 43°C, it is not allowed to start the heat pump, but the EA heater of water tank will run.
· Connect the water temperature sensor of the water tank (TK). If SW1-4 is OFF
by default, the water tank
Page 44
Tk(°C)
TkS TkS-dTkSC
Unit in standby Unit in water heating state
Choose F:15, indicating the temperature difference of dTkSC water heating,
ranging from 2°C to 10°C.The default value is 5°C.
· If the ambient temperature is between -20°C and 43°C and the water
temperature is greater than 52°C, start the EA heater, and stop it at the set
temperature.
Tk(°C)
Tk_ele Tk_ele-2
IBH on IBH off
1.7 Heat and DHW Mode
1.7.1 While the water tank temperature reaches the set temperature
Tk(°C)
TkS TkS-dTkSC
DHW off DHW on
Choose F:15, indicating the temperature difference of dTkSC water heating, ranging from 2°C to 10°C.The default value is 5°C.
1.7.2 DHW Priority
· If the wired controller is set as water heating preferred, the hot water
mode will be operated first in case of hot water demand, and such mode runs
for 30 minutes and will be changed to heating mode at the set temperature.
1.7.3 No Setting Priority
If the wired controller has no setting priority:
Start-up
Water heating (reaching the set temperature after 30 minutes or running for 90 minutes )
Product Features
Choose F:16, indicating the temperature(Tk_ele) of water tank for startup of the EA heater, ranging from -40°C to 54°C. Default: 52°C.
1.6.4 Outline of Parts Control
ON Compressor
OFF
ON Water Outlet Temp
OFF
ON Flow Switch Check
OFF
ON Water Pump
OFF
ON 3-way Valve
OFF
ON 2-way Valve
OFF
ON T4 and Tk check
OFF
DWH Mode On 20S 60S 60S
Tk Tk Demand Unit 60S 60S Reached Detected OFF
Note:
1. 3-way valve functions to switch the circulating water between floor-
heating/radiator and water tank.
2. 2-way valve functions to close or open the circulating water.
Heating (reaching the set temperature after 30 minutes or running for 120 minutes )
- Choose F:26, indicating the water heating preferred of the hydraulic module: 0: not preferred; 1: preferred. Default: 1
- Choose F:17, indicating the continuous running time of heating in heating + water heating mode, ranging from 60min to 240min. Default: 120min.
- Choose F:18, indicating the continuous running time of water heating in
heating + water heating mode, ranging from 60min to 180 min. Default: 90min.
1.8 Return Water Function
· Connect the temperature sensor for return water (TH) and the return water pump. SW1-3 is OFF by default. If SW1-3 is ON, the return water pump and the temperature sensor for return water are effective.
· Return water control is divided into: user forced return water and automatic return water. Whether the automatic return water is valid needs to be set
Page 45
Product Features
in the wired controller, and valid by default. If the temperature of return water is less than 42-3°C, the return water pump runs for 10min or shuts down at 42°C, with an interval of 30min.
- Choose F:27, indicating whether the automatic return water is valid: 0: invalid; 1: valid. Default: 1
- Choose F:19, indicating the set temperature of return water, ranging from 15°C to 60°C. Default: 42°C.
- Choose F:20, indicating the temperature difference of return water, ranging from 0°C to 8°C. Default: 3°C.
- Choose F:21, indicating the continuous running time of return water, ranging from 5min to 60 min. Default: 10min.
- Choose F:22, indicating the interval time of return water, ranging from
10min to 120min. Default: 30min.
1.9 Water Tank Disinfection Function
· In case of the hot water mode or heating + water heating mode in On/Off, press the function key to choose the disinfection icon, and then press OK to turn on or off the disinfection function.
· In case of the hot water mode or heating + water heating mode in On/Off, press the function key to choose the disinfection icon, and then press OK to turn on or off the disinfection function.
· Disinfection operation: before the water temperature of the water tank is lower than 55°C, the water tank is heated with the heat pump; such tank is heated from 55°C to 70°C with the EA heater, and it is kept for 60min at the set temperature. - Choose F:23, indicating the temperature for water tank disinfection, ranging from 65°C to 70°C.The default value is 70°C.
- Choose F:24, indicating the continuous disinfection time of water tank, ranging from 30min to 120min.The default value is 60min.
allows the unit to restart automatically. The module automatically stores the
current settings and in the case of a sudden power failure, will restore those
setting automatically within 3 minutes after power returns.
1.12 Commissioning and other related functions
1.12.1 Cleaning function Press SET for two seconds and enter the query mode.
Enter the engineer mode, if CL is displayed in the time zone at the lower
right corner, it indicated the cleaning function. Now press SET and enter the
setting interface. Press UP and DOWN and choose ON or OFF, and then press OK
for confirmation. Choose ON and turn on the cleaning function. Meanwhile, CL
is displayed on the screen. Press ON or BACK to exit, or exit after the indoor
unit runs 20min and completes the cleaning function.
- Open the two-way valve SV2
- Then open the three-way valve SV3 to the end water flow (SV3_1 energized, SV3_2 de-energized)
- Start the built-in water pump and service water pump (PUMPO); (the water
flow fault is not detected during the operation process);
1.12.2 Forced return water Press UP and DOWN and choose other parameters for query. If Fb is chosen, turn on the forced water return function. Press SET and enter the setting interface to choose whether such function is started. Choose ON to turn on such function.
1.12.3 Forced operation function Press the SW3 button on PCB, the unit will run as below sequence:
Status of wired controllerForced heating (Forced cooling) Off
1.10 ECO function
· The ECO function is available in HEAT mode or HEAT and DHW mode.
· The operational process for ECO mode is as follows: · The temperature
decreases 1°C every hour. After 2 hours, the temperature stops decreasing.
· After the energy saving function is turned on, the turbo heating function is
cancelled.
1.11 Auto-Restart function
· The indoor unit has an auto-restart module that
· Forced heating mode:
In case of forced heating, the water temperature is set at 35°C, and all kinds
of general protection functions are effective.
· Forced cooling mode:
The equipment shuts down if the forced cooling time is more than or equal to
10min. Energize and open the two-way valve and the three-way valve SV3_1 of
hydraulic module, and start the water pump. The flow switch fault in the
hydraulic module isn’t detected. The low-voltage switch fault, water flow
switch fault and shutdown at the unset temperature are not detected. Other
protection
Page 46
Product Features
faults are valid, which is not limited by the judgment of ambient temperature
and water temperature. Note: forced cooling can also be switched on in the
wired controller engineer mode. Choose F: 34, indicating the forced cooling
function: OFF: switched off; ON: switched on. In case of forced cooling, press
ON/OFF and BACK to exit the forced cooling. Other keys are invalid.
· Forced defrosting control: in the forced cooling state (the single heat
engine is in forced automatic state), press and hold Forced for 5 seconds to
enter the forced defrosting immediately.
Page 47
Product Features
2. Wired Controller Functions
LCD Wired Remote Controller KJR-120J/TFBG-E
The KJR-120J/TFBG-E wired remote controller is standard for hydraulic module.
i) Buttons and Functions
4 1 5 2
3
6
1 POWER button 2 MODE button 3 DHW/DEL button 4 ADJUST button 5 CONFIRM button
6 TIMER button
7 8 9
10
11
7 FUNC. button 8 BACK botton 9 AUXILIARY
ELECTRICAL botton 10 SET button 11 ECO button
Page 48
Product Features
ii) LCD Screen
1
2
34
5 6 7 8 9 10
13
11
14 15
12
16
17
18
20 19
21
22
1 Auto mode indication (Not applicable for this unit) 2 Cool mode indication
(Not applicable for this unit) 3 Electrical auxiliary heat indication 4
Defrost indication 5 Antifreeze status indication 6 Outlet water temperature
display 7 Backup running status display
(Not applicable for this unit) 8 Invalid key prompt 9 Lock indication 10 Wif
indication 11 Domestic hot water
12 Heat mode indication 13 Turbo cooling or heating 14 Turbo domestic hot
water 15 Mute (Not applicable for this unit) 16 Outgoing function 17 Energy
saving 18 Disinfection 19 Clock display 20 Weekly time 21 Refrigeration,
heating, domestic hot
water timing 22 Domestic hot water temperature
Page 49
Product Features
iii) Preparatory operation Set the current day and time 1. Press the Timer
button for 2 seconds or more. The timer
display will flash.
2. Press the button ” ” or ” ” to set the date. The selected date will flash.
- NOTE: When HEAT and DHW mode is selected, the system will heat alternate between heating hot water and domestic hot water. 3.Temperature setting Press DHW key to enter the hot water setting temperature adjustment, press ” ” and ” ” to select the temperature. Setting Temperature Range :35~55°C(95~131°F ).
3.The date setting is finished and the time setting is prepared after pressing Timer button or CONFIRM button or there is no pressing button in 10 seconds.
4. Press the button ” ” or ” ” to set the current time. Press repeatedly to
adjust the current time in 1-minute increments. Press and hold to adjust the
current time continuous.
ex.Monday 11:20
5. The setting is done after pressing CONFIRM button or there is no pressing
button in 10 seconds.
6. Time scale selection Press the buttons ” ” and ” ” for 3 seconds will
alternatethe clock tieme display between the 12h&24h scale.
iV)Operation
1.To start/stop operation Press the Power button.
Lower Raise
4.°C & °F scale selection Press the buttons ” ” and ” ” for 3 seconds will
alternate the temperature display between the °C & °F scale. 5.Child lock
function
Press the buttons ” ” and ” ” for 3 seconds to activate the child lock
function and lock all buttons on the wire controller. Press the buttons again
for 3 seconds to deactivate the child lock function.
When the child lock function is activated,the mark appears. 7.Energy saving
button(Effective in heating mode) Press this button, the indoor unit operates
in economy mode, press again, exit this mode (it may be inefective for some
models)
2.To set the operation mode Operation mode setting Press the Mode button to set the operation mode.
8.Auxiliary electrical heater function
Press this button to turn on or off the auxiliary electric heat function.
· Press this button, it is forced to turn on the electric auxiliary heating
(the user has a turbo heating demand). Electric auxiliary heat is turned on
when it meets the mandatory opening condition.
· Press Again, it is the electric auxiliary heat automatic control. Electric
auxiliary heat is turned on at the
Page 50
most suitable time according to the control scheme, considering energy saving
and comfort.
9.Set button Press SET button for 2 seconds to enter the query mode.
1). After entering the query mode, the time area at the lower right corner
displays CL, indicating the cleaning function. 2). Press SET button to enter
the setting interface, press ”
” and ” ” to select on or of, then press Confrm button to confrm, select on to
indicate the cleaning function is turned on, at the same time, the interface
will display CL.
refrigerant liquid.
Select T: 06, it means Tk temperature sensor for water of water tank.
Select T: 07, it means TH temperature sensor for return water.
Select T: 08, it means TW1B temperature sensor for total outlet water.
Select T: 09, which means the outdoor T3 temperature.
Select T: 10, which means the outdoor T4 temperature.
Select PU: 11 to indicate the pump status.
Select Er: 12 for error codes.
5). From the last operation button 30 seconds after or press Back, switch to
directly exit.
V) Timer functions
Press the Timer button for one second to set timing mode.
Product Features
3).Press Power button or Back button to exit, or the internal machine finishes the cleaning function to exit.
or
4).Press ” ” and ” ” can choose other parameter query.
· When FB is selected, it means the forced return function. Press set to enter
the setting interface, and select whether to enable forced return. When on is
selected, it means enabled.
· When CB is selected, it means the disinfection function. Press set to enter
the setting interface, select whether to enable disinfection function. When On
is selected, it means that it is on. After selecting ON, set the day of the
week. After setting, press Confrm button to enter the time setting, and then
press the Confrm button to confrm.
Select T: 01, it means TW_in temperature sensor for exchanger intlet water.
SelectT: 02 it means TW_out temperature sensor for exchanger outlet water.
TW_Out heat exchanger.
Select T: 03, it means TW1 temperature sensor for outlet wate of hydraulic
module.
Select T: 04, it means TR_out temperature sensor for refrigerant gas.
Select T: 05, it means TR_in temperature sensor for
VI).Weekly timer 1. Weekly timer setting Press the Timer button and then press
the SET button to enter the Weekly timer setting.
2. Day of the week setting Press the button ” ” and ” ” to select the day of
the week and then press the Confrm button to confirm the setting.
3.ON timer setting of timer setting Press the button ” ” and ” ” to set the
time of On timer and then press the Confirm button to confirm the setting.
Page 51
Product Features
timing function.
VII) FUNC. Button
ex.Tuesday time scale 1
Up to 3 timer settings can be saved for each day of the week.It is conventent
if the WEEKLY TIMER is set according to the user’s life style.
1. Press the function key to select WLAN distribution network, strong
heating, strong hot water, going out, disinfection (efective under shutdown)
and other functions.
2. Press the Confirm button to confirm.
4.Off timer setting of timer setting
Press the button ” ” and ” ” to set the time of Off timer and then press the Confirm button to confirm the setting. WLAN
ex.Tuesday time scale 1
NOTE: The weekly timer setting can be returned to the previous step by
pressing Back button. The time of timer setting can be delete by pressing Del
botton The current setting will be restored and withdrawn the weekly timer
settingautomatically when there is no operation for 30 seconds.
5. WEEKLY timer operation
When the WLAN icon flashes, press the Confirm button to enter the AP
distribution mode. If the AP mode is successfully entered, the LCD flashes the
AP character. If the distribution network is not successful, the AP mode will
exit automatically after 8 minutes. After the successful distribution network,
if the network is connected, the WiFi icon will be on; if the network is
disconnected for 15 minutes, the WiFi icon will be off.
Strong Heating
In the HEAT mode or HEAT and DHW mode, press the FUNC. button to select the
Strong Heating icon and press the Confrm button to turn on or off the Strong
Heating function. After the strong heating function is turned on, the energy
saving function is cancelled.
· To activate WEEKLY TIMER operation.
Press the Timer button while
is displayed on the LCD.
Strong Domestic Hot Water
In the DHW mode or HEAT and DHW mode, press the FUNC. button to select the
Strong domestic hot water icon and press the Confrm button to turn on or off
the function.
ex.
· To deactivate WEEKLY TIMER operation
Press the Timer button while LCD.
is disappear from the
· To turn off the module during the weekly timer
1. If press the Power button once and quickly , the module will turn off temporarily. And the air conditioner will turn on automatically until the time of On timer.
ON
OFF
ON
OFF
8:00 10:00 12:00
14:00
17:00
ex. If press the POWER button once and quickly at 10:00, The air conditioner
will turn on at 14:00.
2. When press the Power button for 2 seconds , the module will turn of
completely,at the same time cancel the
Outgoing function
Press the FUNC. button to select the Outgoing function icon, and press the
Confrm button to turn on or off the function.
After opening the out function, the set temperature of heating mode is 25°C,
and the set temperature of hot water mode is 35°C.
After canceling the out of ofce function, the set temperature will return to
the original set temperature.
Energy saving
In the HEAT mode or HEAT and DHW mode, press the ECO button to select the
Energy saving icon and press the Confrm button to turn on or off the function.
After the energy saving function is turned on, the strong heating function is
cancelled.
Disinfection
Page 52
Under DHW mode or HEAT and DHW mode, press the FUNC. button to select the
disinfection icon, press the Confrm button to turn on or off the disinfection
function.
VIII) Battery Installation
1. The battery is placed in the accessory bag and needs to be installed in
the wired controller on site.
2. Please remove the wired controller, place the battery in the unit and
ensure the positive side of the battery is in accordance with the polarity
markings.
3. Set the correct time before operating. Battery in the wired controller can
maintain the correct time during a power failure. When the power is restored
and the displayed time is not correct, replace the battery.
3.1 Install APP
Scan the following QR code:
Android
iOS
· Android Phone users: scan Android QR code or go to google play, search
NetHome Plus” app and download it. · iOS users: scan iOS QR code or go to APP Store, searchNetHome Plus” app
and download it.
3.2 Sign In
After installation, open the APP and login.
0
Product Features
3. SMART KIT Configuration Guidelines
The wired controller realizes intelligent control with a built-in WIFI module,
which receives control signal from the APP. Before connecting the WLAN, please
check for it if the router in your environment is active and make sure that
the wired controller is well-connected to the wireless signal. When the
product is connected to the network, please make sure that the phone is as
close as possible to the product. Midea only supports 2.4GHz band routers at
present. Special characters (punctuation, spaces, etc.) are not recommended as
part of the WLAN name. It is recommended that you connect no more than 10
devices to a single router lest home appliances are affected by weak or
unstable network signal. If the password of the router or WLAN is changed,
clear all settings and reset the appliance. APP interface changes from time to
time as APP is updated and may change slightly vary from those in this
document.
Click “Sign up”
Enter your email address and password, and then click “Registration”.
3.3 Add device and login to home Wi-Fi
3.3.1 Using Android device to do network configuration
Page 53
Product Features
Press ” + Add Device ”
“JS5P8BUFS
Select appliance type (Select Air To Water)
“JS5P8BUFS
Choose the network configuration method.
“JS5P8BUFS
Choose the ” Scan the QR code ” method.
Follow the above steps to enter “AP” mode.
Or choose the “Manual Please enter password Setup” method.
Page 54
Product Features
3.3.2 Using iOS device to do network configuration
Network configuration is successful.
Press ” + Add Device ”
“JS5P8BUFS
Select appliance type (Select Air To Water)
“JS5P8BUFS
Configuration Success, you can see the device on the list.
Follow the above steps to enter “AP” mode.
Page 55
“JS5P8BUFS
3.4 How to use the APP
Please ensure both your mobile device and air conditioner are connected to the
Internet before using app to control the air conditioner via internet, please
follow the next steps:
Or choose the “Manual Setup” method.
Please enter password
1 Click “Sign up”
2 Choose the air conditioner.
Product Features
Network configuration is successful.
Page 56
3 Thus, user can control air conditioners on/off status, operation mode,
temperature, fan speed and so on.
NOTE: Heat The temperature adjustment range is 25°C -60°C. The initial default
temperature is 35°C. The DWH temperature adjustment range is 35°C -55°C. The
initial default temperature is 50°C. The interactive method of temperature
adjustment is ring adjustment. Not all the function of the APP is available on
air
conditioner. For example: ECO, Turbo, please check the user manual to fnd more
information.
3.5 Function
3.5.1 ON/OFF In the shutdown state, there is a separate shutdown status page.
Click the button to enter the device control page. In the power-on state,
click the button, the device will shut down, and the page will jump to the
shutdown state page.
3.5.4 ECO In Heat or Heat+DHW mode, press the eco button to turn on or turn of
the eco function. In DWH mode, there is no eco function.
Product Features
3.5.2 Mode Click the Mode button to select Heat, DHW, Heat+DHW modes.
3.5.5 °C & °F Press this button will alternate the temperature display between
the °C & °F.
3.5.3 Turbo
Click the Turbo button to select Heat, DHW, Heat+DHW modes.
Page 57
Product Features
3.5.6 Share Device
The air conditioner can be controlled by multi-users at the same time by Share
Device function.
3.5.7 Site
1 Click “Share device ”
2 Let the others to scan the displayed QR code.
1 Click ” ”
2 Click “Full Name”
3 Click “Add Share”Device” 4 Add the shared device.
3 Click “Living Room” Click “Save”
Page 58
Installation
Contents
Accessories ………………………………………………………………………………………………………60 1. Installation Overview
………………………………………………………………………………61 2. Location Selection
…………………………………………………………………………………..62 3. Indoor Unit Installation
……………………………………………………………………………63 4. Outdoor Unit
Installation…………………………………………………………………………65 5. Refrigerant Pipe Installation
…………………………………………………………………….66 6. Vacuum Drying and Leakage
Checking……………………………………………………..67 7. Water Pipework
………………………………………………………………………………………67 8. Additional Refrigerant Charge
…………………………………………………………………68 9. Engineering of Insulation
………………………………………………………………………..69 10. Engineering of Electrical Wiring
………………………………………………………………70 11. Selection of Water Tank
…………………………………………………………………………..74 12. Test Operation
………………………………………………………………………………………..74 13. Error Code
………………………………………………………………………………………………75
Accessories
The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and fire, or equipment failure.
Name
Shape
Quantity
Manual
3
Mounting bracket
1
3/4 Copper nut
1
7/16 Copper nut
1
Label(Note:Please stick the label to the power swtich of the unit )
1
Wiring rubber ring
1
3/4 Copper nut anti disassembly cap
1
7/16 Copper nut anti disassembly cap
1
Smart kit
1
WLAN cable
1
WLAN rubber sleeve
1
Battery
1
Installation
Page 60
1. Installation Overview
Installation Order
1
2
3
Install the indoor unit
6
MC
MC
Install the drainpipe
5
LN
Install the outdoor unit
4
Evacuate the refrigeration system
7
Connect the wires
Connect the refrigerant pipes
Installation
Perform a test run
Page 61
2. Location selection
2.1 The indoor unit is to be wall mounted in an indoor location that meets the
following requirements:
· The installation location is frost-free. · The space around the unit is
adequate for serving. · The space around the unit allows for sufficient air
circulation. · There is a provision for condensate drain and pressure
relief valve blow-off. · The installation surface is a fat and vertical non-
combustible wall, capable of supporting the operation weight of the unit. ·
There is no danger of fire due to leakage of inflammable gas. · The equipment
is not intended for use in a potentially explosive atmosphere.
2.2 Inspecting, handling and unpacking the unit
· The indoor unit is packed in a box. · At delivery, the unit must be checked
and any damage
must be reported immediately to the carrier claims agent. · Check if all
indoor unit accessories are enclosed. · Bring the unit as close as possible to
the final installation position in its original package in order to prevent
damage during transport. · The indoor unit weights approximately 60kg and
should be lifted by two persons using the two lifting bars provided.
2.3 The minimum distance between the outdoor unit and walls described in the
installation guide does not apply to airtight rooms. Be sure to keep the unit
unobstructed in at least two of the three directions (M, N, P)
DN pBCPFW
. DNpPOMFGU / DNpJOGSPOU
DNpGSPNCBDLXBMM
1 DNpPOSJHIU
2.4 Rows of series installation
The relations between H, A and L are as follows.
L H L > H
L
A
L 1/2H
25 cm / 9.8″ or more
1/2H < L H
30 cm / 11.8″ or more
Can not be installed
o2r5mcomre/ 9.8″
o2r5mcmore/ 9.8″
H
L A
150ocrmm/o5r9e”
60
cm or
m/ 2o3r.e6″
300 cm / 118″ or more
DO NOT install the rows of series like following figure.
Installation
Page 62
1150 200
Installation
2.5 Strong Wind Installation
Wind of 5m/s or more blowing against an outdoor unit’s air outlet blocks the
flow of air through the unit, leading to deterioration in unit capacity,
accelerated frost accumulation when in heating mode or domestic hot water
mode, and potential disruption to operation due to increased pressure in the
refrigerant circuit. Exposure to very strong wind can also cause the fan to
rotate excessively fast, potentially leading to damage to the fan. In
locations where exposure to high winds may occur should take account of the
following considerations:
· For installation of the outdoor unit in a place where the wind direction can
be foreseen. Set the outlet side at a right angle to the direction of the
wind, refer to Figure.
Strong wind
2.7 Salty Air Installation(seaside)
Use outdoor unit that is specially designed to resist corrosion.
3. Indoor Unit Installation
3.1 Service space for indoor unit
300
350
500
Strong wind
· If turn the air outlet side toward the building’s wall, fence or screen.
Make sure there is enough room to do the installation
Wind Baffle
3.2 Mounting the indoor unit
1. Fix the wall mounting bracket to the wall using appropriate plugs and
screws. Dimensions of the wall bracket:
Strong wind
2.6 If the unit is frequently exposed to heavy rain or snow:
In areas of heavy snowfall, a canopy should be installed to prevent snow
entering the unit. Additionally, the height of the base structure should be
increased so as to raise the unit further off the ground.
4DSFXT .
1SPWJEFEPOTJUF
Flat pad Spring pad
Nut
–
&YQBOTJPOCPMUTQSPUSVEFGSPNUIFXBMM MFOHUINN
2. Make sure the wall mounting bracket is completely
Page 63
level. When the unit is not installed level, air might get trapped in the
water circuit resulting in malfunctioning of the unit. 3. Hang the indoor unit
on the wall mounting bracket. 4. Fix the indoor unit inside using appropriate
plugs and screw.
Chassis
water system of indoor unit.
· Check the water system for leaks.
· If there is no leakage in the system pipeline, the power supply of the unit
will enter the emptying mode of the wire controller to carry out the forced
operation of the water pump. Remove air in the circuit as much as possible
using the air purge valves. When there is no “hissing” pneumatic sound at the
vent valve, close the vent valve on the indoor unit and exit the forced water
pump.
· Fill with water until the manometer indicates a pressure of approximately
1.0~2.0 bar.
Antifreezing measures:
· When the ambient temperature is below 2 oC, please make sure to keep the
unit energized.
· If the unit cannot be powered on, please open the drain valve in the indoor
unit to completely drain the water to avoid freezing and cracking the
equipment and pipes.
3.4 Description of water pump exhaust
1. Make sure the water pump is running.
2. Insert the service tool into the slot of the bleeder bolt and remove the
bleeder bolt.
3. When the small water column or water drop flows out of the vent hole,
screw on the vent bolt.
Installation
Mounting bracket
3.3 Water filling and anti freezing measures
Water filling and emptying
· For the first operation, it is recommended to rotate the pump shaft for more
than 10 turns to prevent the pump from getting stuck.
· Exhaust valve shall be set at the highest point and local highest point of
water system pipeline, and drain valve shall be set at the lowest point.
· After the indoor unit and outdoor unit are installed, confirm that the power
supply is closed, loosen the vent valve on the indoor unit, and inject water
into the
NOTE: The water pressure of the system must be guaranteed, and it cannot be
directly connected to the water source.
3.5 Indoor Drainpipe Installation
· It must be confirmed that the drainpipe outlet is exposed in the air. When
flexible drainpipe is jointed to the drainpipe of the hydraulic module , it
must be confirmed that the flexible drainpipe is downwards
Page 64
vertically , direct drainage to the floor drain.
4.2 Bolt pitch
· The drainage pipe should be well installed ,in order to avoid freezing up in cold weather. Do not block off or bend the Drainage pipe.
· Arrange the drain hose to ensure smooth drainpipe. Improper drainpipe may cause wetting of the building, furniture etc.
Size MU2-Y 105M
Unit
D
mm
410
inch
16.14
A 673 26.50
B 403 15.87
4.3 Install Outdoor Unit Fix the outdoor unit with anchor bolts(M10)
Drainage Drainage
Drainage (User self provided)
Tape Wrap the two drainage pipes together with tape and connect them to the
user’s drainage pipe together.
4. Outdoor unit installation(Side Discharge Unit)
4.1 Service space for outdoor unit
Caution
Since the gravity center of the unit is not at its physical center, so please
be careful when lifting it with a sling.
Never hold the inlet of the outdoor unit to prevent it from deforming.
Do not touch the fan with hands or other objects.
Do not lean it more than 45 degree, and do not lay it sidelong.
Make concrete foundation according to the specifications of the outdoor units.
Fasten the feet of this unit with bolts firmly to prevent it from collapsing
in case of earthquake or strong wind.
Installation
Page 65
5. Refrigerant Pipe Installation
5.1 Maximum length and drop height
Ensure that the length of the refrigerant pipe and the drop height between the indoor and outdoor units meets the requirements shown in the following table.
MU2-Y 105M
Max. length for all rooms
80
Max. length for one indoor unit
35
Max. height different between IDU and ODU
15
Max. height different between IDUs
10
· When installing multiple indoor units with a single outdoor unit, ensure that the length of the refrigerant pipe and the drop height between the indoor and outdoor units meet the requirements illustrated in the following diagram:
Outdoor unit
Indoor unit Max.Height difference
Indoor unit 15m(49ft)
5. Insulate the copper pipe
· Before test operation, the joint parts should not be heat insulated.
6. Flare the pipe
· Insert a flare nut into the pipe before flaring the pipe
· According to the following table to flare the pipe.
Pipe diameter Flare dimension A (mm/inch)
(inch(mm))
Min
Max
Flare shape
1/4″ (6.35)
8.4/0.33
8.7/0.34
3/8″ (9.52) 1/2″ (12.7) 5/8″ (15.9) 3/4″ (19)
13.2/0.52 16.2/0.64 19.2/0.76 23.2/0.91
13.5/0.53 16.5/0.65 19.7/0.78 23.7/0.93
¢ ” ¢
3_
7/8″ (22)
26.4/1.04
26.9/1.06
· After flared the pipe, the opening part must be seal by end cover or
adhesive tape to avoid duct or exogenous impurity come into the pipe.
7. Drill holes if the pipes need to pass the wall.
8. According to the field condition to bend the pipes so that it can pass the wall smoothly.
10m(32.8ft) 9. Bind and wrap the wire together with the insulated pipe if necessary.
15m(49ft)
10. Set the wall conduit
Indoor unit
6.2 The procedure of connecting pipes
1.Choose the pipe size according to the specification table. 2.Confirm the
cross way of the pipes. 3.Measure the necessary pipe length. 4.Cut the
selected pipe with pipe cutter
· Make the section flat and smooth.
90°
Oblique Rough Warped
11. Set the supporter for the pipe.
12. Locate the pipe and fix it by supporter
· For horizontal refrigerant pipe, the distance between supporters should not
be exceed 1m.
· For vertical refrigerant pipe, the distance between supporters should not be
exceed 1.5m.
13. Connect the pipe to indoor unit and outdoor unit by using two spanners.
· Be sure to use two spanners and proper torque to fasten the nut, too large
torque will damage the bellmouthing, and too small torque may cause leakage.
Refer the following table for different pipe connection.
Installation
Page 66
Installation
Pipe Diameter
1/4″ (6.35) 3/8″ (9.52) 1/2″ (12.7) 5/8″ (15.9) 3/4″ (19) 7/8″ (22)
Torque
N.m(lb.ft)
15~16 (11~11.8)
25~26 (18.4~19.18)
35~36 (25.8~26.55)
45~47 (33.19~34.67)
65~67 (47.94~49.42)
75-85 (55.3-62.7)
Sketch map
moisture or leakage in pipeline system and need to go on with drying for half
an hour.
3. If the vacuum degree of vacuum pump still could not reach -755mmHg after
1.5 hours of drying, check whether there is leakage source.
4 . Leakage test: After the vacuum degree reaches -755mmHg, stop vacuum drying
and keep the pressure for 1 hour. If the indicator of vacuum gauge does not go
up, it is qualified. If going up, it indicates that there is moisture or leak
source.
6.3.2 Special vacuum drying The special vacuum drying method shall be adopted
when:
1. Finding moisture during flushing refrigerant pipe.
6. Vacuum Drying and Leakage Checking
2. Conducting construction on rainy day, because rain water might penetrated
into pipeline.
3. Construction period is long, and rain water might penetrated into
pipeline.
6.1 Purpose of vacuum drying
· Eliminating moisture in system to prevent the phenomena of ice-blockage and
copper oxidation. Ice-blockage shall cause abnormal operation of system, while
copper oxide shall damage
compressor. · Eliminating the non-condensable gas (air) in system
to prevent the components oxidizing, pressure fluctuation and bad heat
exchange during the operation of system.
6.2 Selection of vacuum pump
· The ultimate vacuum degree of vacuum pump shall be -756mmHg or above.
· Precision of vacuum pump shall reach 0.02mmHg or above.
6.3 Operation procedure for vacuum drying
Due to different construction environment, two kinds of vacuum drying ways
could be chosen, namely ordinary vacuum drying and special vacuum drying.
4. Rain water might penetrate into pipeline during construction.
Procedures of special vacuum drying are as follows:
1. Vacuum drying for 1 hour.
2. Vacuum damage, filling nitrogen to reach 0.5Kgf/cm2 .
Because nitrogen is dry gas, vacuum damage could achieve the effect of vacuum
drying, but this method could not achieve drying thoroughly when there is too
much moisture. Therefore, special attention shall be drawn to prevent the
entering of water and the formation of condensate water.
3. Vacuum drying again for half an hour.
If the pressure reached -755mmHg, start to pressure leakage test. If it cannot
reached the value, repeat vacuum damage and vacuum drying again for 1 hour.
4. Leakage test: After the vacuum degree reaches -755mmHg, stop vacuum drying
and keep the pressure for 1 hour. If the indicator of vacuum gauge does not go
up, it is qualified. If going up, it indicates that there is moisture or leak
source.
6.3.1 Ordinary vacuum drying
1. When conduct first vacuum drying, connect pressure gauge to the infusing
mouth of gas pipe and liquid pipe, and keep vacuum pump running for 1 hour
(vacuum degree of vacuum pump shall be reached -755mmHg).
2. If the vacuum degree of vacuum pump could not reach -755mmHg after 1 hour
of drying, it indicates that there is
7. Additional Refrigerant Charge
· After the vacuum drying process is carried out, the additional refrigerant
charge process need to be performed.
· The outdoor unit is factory charged with refrigerant. The additional
refrigerant charge volume is decided by the diameter and length of the liquid
pipe be-
Page 67
Installation
tween indoor and outdoor unit. Refer the following
formula to calculate the charge volume.
Diameter of liquid pipe (mm)
Formula V=12g/m×((Total
6.35
pipe length pre-charge pipe
lengthxN)) V=24g/m×((Total
9.52
pipe length pre-charge pipe
lengthxN))
The pre-charge pipe length is 7.5m.
Note:
· Refrigerant may only be charged after performed the vacuum drying process.
· Always use gloves and glasses to protect your hands and eyes during the
charge work.
· Use electronic scale or fluid infusion apparatus to weight refrigerant to be
recharged. Be sure to avoid extra refrigerant charged, it may cause liquid
hammer of the compressor or protections.
· Use supplementing flexible pipe to connect refrigerant cylinder, pressure
gauge and outdoor unit. And The refrigerant should be charged in liquid state.
Before recharging, The air in the flexible pipe and manifold gauge should be
exhausted.
· After finished refrigerant recharge process, check whether there is
refrigerant leakage at the connection joint part.(Using gas leakage detector
or soap water to detect).
8. Water Pipework
8.1 Water Circuit Checks
Hydronic box are equipped with a water inlet and outlet for connection to a
water circuit. Split units should only be connected to closed water circuits.
Connection to an open water circuit would lead to excessive corrosion of the
water piping. Only materials complying with all applicable legislation should
be used.
Before continuing installation of the unit, check the following:
· The maximum water pressure 3 bar.
· The maximum water temperature 70°C according to safety device setting.
· Always use materials that are compatible with the water used in the system
and with the materials used in the unit.
· Ensure that components installed in the field piping can withstand the water
pressure and temperature.
· Drain taps must be provided at all low points of the
system to permit complete drainage of the circuit during maintenance.
· Air vents must be provided at all high points of the system. The vents
should be located at points that are easily accessible for service. An
automatic air purge is provided inside the unit. Check that this air purge
valve is not tightened so that automatic release of air in the water circuit
is possible.
8.2 Water Circuit Connection
Water connections must be made correctly in accordance with the labels on the
hydronic box, with respect to the water inlet and water outlet. If air,
moisture or dust gets in the water circuit, problems may occur. Therefore,
always take into account the following when connecting the water circuit:
· Use clean pipes only.
· Hold the pipe end downwards when removing burrs
· Cover the pipe end when inserting it through a wall to prevent dust and dirt
entering.
· Use a good thread sealant for sealing the connections. The sealing must be
able to withstand the pressures and temperatures of the system.
· When using non-copper metallic piping, be sure to insulate the two kinds of
materials from each other to prevent galvanic corrosion.
· For copper is a soft material, use appropriate tools for connecting the
water circuit. Inappropriate tools will cause damage to the pipes
8.3 Anti-freeze Protection
If the following condition are satisfied, enter anti-freeze protection,
· The unit is in shutdown state
· T4 is lower than 5°C
· Min (TW_in, TW_out, TW1, TW1B) <T_freezW is detected continuously for
5S.(Ranging from 1°C to 4°C, the default value is 3°C)
· Shutdown time for 30 minutes or the restore failure for 30 minutes or exit
cleaning for 30 minutes.
Note:
· If one of the sensors fails, the temperature judgment of this sensor is
eliminated. If all sensors fail, exit the protection
· EEPROM error, water flow failure, exit the protection
· Water flow protection is not detected during the antifreeze protection
Page 68
8.4 Water Flow Switch
9. Engineering of Insulation
Water may enter into the flow switch and cannot be drained out and may freeze when the temperature is low enough. The flow switch should be removed and dried, then can be reinstalled in the unit.
9.1 Insulation of refrigerant pipe
1. Operational procedure of refrigerant pipe insulation
8.5 Adding Water
· Connect the water supply to the fill valve and open the valve.
· Make sure the automatic air purge valve is open (at least 2 turns).
· Fill with water until the manometer indicates a pressure of approximately
1.0 to 2.0 bars. Remove air in the circuit as much as possible using the air
purge valve. Air in the water circuit could lead to malfunction of the backup
electric heater.
Cut the suitable pipe insulation (except joint section) flare the pipe piping
layout and connection vacuum drying insulate the joint parts
2. Purpose of refrigerant pipe insulation
· During operation, temperature of gas pipe and liquid pipe shall be over-
heating or over-cooling extremely. Therefore, it is necessary to carry out
insulation; otherwise it shall debase the performance of unit and burn
compressor.
· Gas pipe temperature is very low during cooling. If insulation is not
enough, it shall form dew and cause leakage.
· Temperature of gas pipe is very high (generally 50-100) during heating.
Insulation work must be carried out to prevent hurt by carelessness touching.
3. Insulation material selection for refrigerant pipe
· The burning performance should over 120 · According to the local law to
choose insulation
materials · The thickness of insulation layer shall be above
10mm.If in hot or wet environment place, the layer of insulation should be
thicker accordingly.
4. Installation highlights of insulation construction
· Gas pipe and liquid pipe shall be insulated separately, if the gas pipe and
liquid pipe were insulated together; it will decrease the performance of air
conditioner.
Installation
· The insulation material at the joint pipe shall be 5~10cm longer than the
gap of the insulation material.
· The insulation material at the joint pipe shall be inserted into the gap of
the insulation material.
· The insulation material at the joint pipe shall be banded to the gap pipe
and liquid pipe tightly.
· The linking part should be use glue to paste together
· Be sure not bind the insulation material over-tight, it may extrude out the
air in the material to cause bad
Page 69
insulation and cause easy aging of the material.
10. Engineering of Electrical Wiring
9.2 Insulation of drainage pipe
1. Operational procedure of refrigerant pipe insulation
Select the suitable pipe insulation (except joint section) piping layout and
connection drainage test insulate the joint parts
2. Purpose of drainage pipe insulation
The temperature of condensate drainage water is very low. If insulation is not
enough, it shall form dew and cause leakage to damage the house decoration.
3. Insulation material selection for drainage pipe
· The insulation material should be flame retardant material, the flame
retardancy of the material should be selected according to the local law.
· Thickness of insulation layer is usually above 10mm. · Use specific glue to
paste the seam of insulation ma-
terial, and then bind with adhesive tape. The width of tape shall not be less
than 5cm. Make sure it is firm and avoid dew.
4. Installation and highlights of insulation construction
· The single pipe should be insulated before connecting to another pipe, the
joint part should be insulated after the drainage test.
· There should be no insulation gap between the insulation material.
10.1 Highlights of electrical wiring installation
· All field wiring construction should be finished by qualified electrician.
· The equipment should be grounded according to the local electrical
regulations.
· Current leakage protection switch should be installed.
· Do not connect the power wire to the terminal of signal wire.
· When power wire is parallel with signal wire, put wires to their own wire
tube and remain at least 300mm gap.
· According to table in indoor part named “the specification of the power” to
choose the wiring, make sure the selected wiring not small than the date
showing in the table. · Select different colors for different wire according
to
relevant regulations. · Do not use metal wire tube at the place with acid or
alkali corrosion, adopt plastic wire tube to replace it. · There must be not
wire connect joint in the wire
tube If joint is a must, set a connection box at the
place. · The wiring with different voltage should not be in
one wire tube. · Ensure that the color of the wires of outdoor and
the terminal No. are same as those of indoor unit respectively. · You must
first choose the right cable size before preparing it for connection. Be sure
to use H07RN-F cables.
Air switch+ Residual current operated circuit-breakers
Air switch+ Residual current operated circuit-breakers
Installation
Page 70
Table: Minimum Cross-Sectional Area able of Power and Signal Cables
Rated Current of Appliance (A) 6 6 – 10 10 – 16 16 – 25 25 – 32 32 – 45
Nominal Cross-Sectional Area(mm2) 0.75 1 1.5 2.5 4 6
10.3 2-Way Valve
Normally closed two-way valve, opened when power on, closed, 220-240V 50Hz,
valve size selected as per pipeline size. The main function of this valve is
to close the floor heating water flow in case of cooling (if provided), and it
may not be installed if the cooling function is not provided.
10.2 Selection of Tk, TH, TW1B
10K thermistor is used, specification: R25 (resistance value at 25°C)=
10K±3%,B25/50 (B value)=4100K±3%, temperature probe with brass case
Valve power <100W
Installation
Tk water temperature of water tank – It is installed at 14 temperature probe
tube, and thermally conductive silicone shall be provided to make the
temperature sensor and the probe tube wall fully thermally conductive. SW1-4
is OFF by default, and the water tank won’t be connected. If SW1-4 is ON, the
temperature sensor and EA heater of the water tank are effective, and at the
moment, the return water can be started.
TH return water temperature – It is position 20 in the figure. The temperature
sensor can be wrapped to the steel pipe by tin foil paper and heat insulation
cotton. The plastic water pipe needs to be installed with a temperature
detection tube and provided with thermally conductive silicone. SW1-3 is OFF
by default. If SW1-3 is ON, the return water pump and the temperature sensor
for return water are effective.
TW1B total outlet water temperature of system – at position 24 in the figure,
its installation method is the same as above. SW1-2 is OFF by default, and the
external heat source won’t be connected. If SW1-2 is ON, the total outlet
water temperature sensor and the external heat source are effective.
They need to be started by dialing, and the corresponding functions will be
started while the temperature sensor is started.
10.4 3-Way Valve
220-240V 50Hz, valve size selected as per pipeline size.
Valve position 1 straight through
Valve position 2 side through
Diagram of 3-way valve SV3_1 powered on, A-B gets through, B end is connected to the heating pipeline SV3_2 powered on, A-C gets through, C end is connected to the domestic water tank
Page 71
Power
If there is no 3-way valve, 2 normally closed 2-way valves can be used instead, as shown in the figure below
EA heater
10.6 EA heater for water tank
It is controlled by AC contactor, with control end output voltage of 220-240V
50Hz
HEAT
DHW
10.5 Auxiliary heating source for heating
The auxiliary heating source is controlled by AC contactor, with control end
output voltage of 220-240V 50Hz
Power
Installation
Page 72
EA heater of water tank
Selection method of capacity of EA heater: · Suggestions on the selection of
EA heater: · A. The tubular EA heater is preferential. · B. Capacity selection
method: The EA heater
with the capacity equivalent to 30% of the unit’s nominal capacity is used in
the region with minimum temperature no less than – 7°C.
· In the region with the minimum temperature lower than – 7°C, the household
power supply load and the unit’s nominal capacity should be taken into account
for selecting an EA heater.
Power
External circulating water pump
If the external heat source is connected in parallel on the main pipeline, it
is necessary to contain a water pump and install a one-way valve on the
pipeline.
10.7 Service Water Pump (External Circulating Water Pump)
It is controlled by AC contactor, with control end output voltage of 220-240V
50Hz This water pump can only be installed on the heating pipeline after the
3-way valve and will be closed in water heating
10.8 Return Water Pump Or Mixing Water Pump
The mixing pump is provided by the user and used to provide the floor heating
coil with water of suitable temperature in combination with the automatic
mixing valve (provided by the user) in heating mode. Start and stop the mixing
pump and the built-in water pump simultaneously in heating mode.
It is controlled by AC contactor, with control end output voltage of 220-240V
50Hz
SW1-3 is OFF by default, and it is in mixing water pump state. If SW1-3 is on,
it is in return water state and should be connected to the return water
temperature sensor, otherwise it will sound fault alarm.
If there are return water and mixing water demands simultaneously, turn to ON,
and the mixing water pump is controlled by interface SV2
Installation
Page 73
Power
12. Test Operation
1. The test operation must be carried out after the entire installation has been completed.
Return water pump or mixing water pump
11. Selection of Water Tank
Material
Outdoor unit
capacity
Water tank heat exchanger
area requirement
Water tank exchanger recommended
area
Heat exchanger
inside volume requirement
Heat exchanger inside volume recommended
stainless 10-16kW 1.75m2
4.0m2
14L
32L
steel
stainless 4-9kW
1.4 m2
2.5m2
12L
20L
steel
enamel 10-16kW
2.5m2
5.6m2
20L
45L
enamel
4-9kW
1.7m2
3.0m2
14L
24L
For the size of water tanks, refer to the following contents: 1. Generally, the required hot water for each person to take a shower is 40-50l, but it depends on the bathing habits. If the shower time is longer, it can be increased as appropriate.
2. In case of more than one bathroom at home, as persons may take showers in different bathrooms at the same time, the water tank capacity is to be increased by about 50-100l.
3. If you have a bathtub at home and like to take a bath in the bathtub, the water tank capacity is also to be increased by about 50-100l. For example: If your family has three members and a bathroom is available without bathtub, you can choose a 150l water tank. If there are two bathrooms, a 200l water tank is recommended. If one of the bathrooms has a bathtub, a 300l water tank can meet your hot water needs.
2. Please confirm the following points before the test operation.
· The indoor unit and outdoor unit are installed properly.
· Piping and wiring are properly connected. · Ensure that there are no
obstacles near the inlet and
outlet of the unit that might cause poor performance or product malfunction. ·
The refrigeration system does not leak. · The drainage system is unimpeded and
draining to a safe location. · The heating insulation is properly installed. ·
The grounding wires are properly connected · The length of the piping and the
added refrigerant stow capacity have been recorded. · The power voltage is the
correct voltage for the air conditioner.
CAUTION: Failure to perform the test run may result in unit
damage, property damage or personal injury.
3. Test Run Instructions
1. Open both the liquid and gas stop valves.
2. Turn on the main power switch and allow the unit to warm up.
Indoor unit
· Ensure the wired controller and its buttons work properly.
· Double check to see if the water temperature is being registered correctly.
· Check to see that the drainage system is unimpeded and draining smoothly. If
the water quality is poor, an electronic water treatment device or scale
inhibitors should be used to ensure the water quality.
· Ensure there is no vibration or abnormal noise during operation.
Outdoor unit
· Check to see if the refrigeration system is leaking. · Make sure there is no
vibration or abnormal noise
during operation. · Ensure the wind, noise, and water generated by the
unit do not disturb your neighbors or pose a safety hazard.
Installation
Page 74
Installation
13 Error Code
Display Error Information
EH 00 EL 01 EC 51 EC 52 EC 53 EC 54 EC 55 EC 56 EH 40 EH 41 EH 42 EH 43 EH 44 EH 45 EH 46 EH 47 EH 48 EH 49 EH 3 EC 07 PC 00 PC 01 PC 02 PC 04
Indoor unit EEPROM parameter error Indoor / outdoor unit communication error Outdoor unit EEPROM parameter error Condenser coil temperature sensor T3 is in open circuit or has short circuited Outdoor room temperature sensor T4 is in open circuit or has short circuited Compressor discharge temperature sensor TP is in open circuit or has short circuited IGBT temperature sensor TH is in open circuit or has short circuited Evaporator coil outlet temperature sensor T2B is in open circuit or has short circuited(for free-match indoor units) Flow malfunction TW_in temperature sensor for exchanger inlet water is in open circuit or has short circuited TW_out temperature sensor for exchanger outlet water is in open circuit or has short TW1 temperature sensor for outlet water of hydraulic modules in open circuit or has short TR_out temperature sensor for refrigerant gas is in open circuit or has short TR_in temperature sensor for refrigerant liquid is in open circuit or has short Tk temperature sensor for water of water tank is in open circuit or has short TH temperature sensor back water is in open circuit or has short TW1B temperature sensor for total outlet water is in open circuit or has short Temperature sensor of heat exchanger inlet and outlet water shedding protection Communication error between wire controller and indoor unit The outdoor fan speed is operating outside of the normal range(for some models) IPM malfunction or IGBT over- strong current protection Over voltage or over low voltage protection Top temperature protection of compressor Inverter compressor drive error
Page 75
PC 03 Low pressure protection (for some models)
—
Indoor units mode conflict(match with multi outdoor unit) (for some models)
For other errors: The display board may show a garbled code or a code
undefined by the service manual. Ensure that this code is not a temperature
reading.
LED flash frequency:
… …
Installation
Page 76
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– info.de@clivet.com
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381235 Enquiries@Clivetgroup.co.uk
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