SyScroll 30 Air Evo Air Cooled Inverter Driven Water Heat Pump User Manual

SyScroll 30 Air Evo Air Cooled Inverter Driven Water Heat Pump

Product Information

The Chiller SYSCROLL 20-30 AIR EVO is an air-cooled inverter-driven water heat pump. It has a capacity range of 20.0 to 35.0 kW for cooling operation and 20.0 to 34.0 kW for heating operation. The unit is designed to provide great accuracy in maintaining the desired set-point and offers wide load variation capability. It is optimized for both fan coil and floor applications and delivers excellent efficiency performances at full and partial loads. The SYSCROLL 20-30 AIR EVO comes with several options and accessories as standard, including fan speed control, electronic expansion valve for precision in SH control, ModBus interface for supervision readiness, phase sequence control algorithm for safe electric installation, modulating capacity control for precision in water setpoint control, soft-start function for low inrush current, power factor correction function for low input current distortion, coil blue fin treatment for effective water drainage during defrost, coil guard for protection during transport and installation, and double set-point with different daily profiles. The unit also features dynamic set-point water profile in accordance with outdoor air temperature or current/voltage signal, water filter for protection against impurities, water differential pressure switch for protection against low water flow, and rubber pads for basic vibration attenuation.

Product Usage Instructions

To use the Chiller SYSCROLL 20-30 AIR EVO

1. Ensure that the unit is properly installed according to the installation manual.
2. Connect the necessary power supply to the unit.
3. Set the desired cooling or heating set-point using the control panel or remote control.
4. If required, adjust the fan speed control for cooling operation with low outdoor air temperature or heating operation with high outdoor air temperature.
5. Monitor the unit’s performance and adjust settings as needed to maintain the desired temperature.
6. Regularly clean and maintain the unit as instructed in the maintenance manual to ensure optimal performance.

For any further assistance or inquiries, please contact Adremit Limited

Call: 0845 6880112
Email: info@adremit.co.uk
Address: Puravent, Adremit Limited, Unit 5a, Commercial Yard,
Settle, North Yorkshire, BD24 9RH

Key points

• Wide load variation capability.
• Cooling operation → down to 30 % and up to 140% of nominal capacity.
• Heating operation → down to 40% and up to 130% of nominal capacity.
• Great accuracy in maintaining desired set-point.
• Unit optimization for heating operation both for fan coil and floor application.
• Excellent efficiency performances both at full and partial load (EER/COP/SEER/SCOP).
  • Wide operating limits in heating mode
  • Min outdoor ambient temperature → -15 [°C].
• Max leaving water temperature → 55 [°C].
• Simple refrigerant circuit with easy access to inner com-ponents for maintenance purpose.
• Aeraulic independence between refrigerant circuit and condensing side.
• New fan motors (Erp 2015 compliant) with integrated grill, nozzle and condensers.
• Possibility to manage domestic hot water production, auxiliary heating source, second set-point zone field components
• Several options / accessories provided with standard de-livery
• Fan speed control → cooling operation with low OAT / heating operation with high OAT.
• Electronic expansion valve → precision in SH control. ModBus interface → supervision ready.
• Phase sequence control algorithm → safe electric in-stallation.
• Modulating capacity control → precision in water set-point control.
• Soft-start function → low inrush current.
• Power factor correction function → low input current distortion.
• Coil blue fin treatment → effective water drainage dur-ing defrost.
• Coil guard → protection during transport and installa-tion.
• Double set-point→ different daily profiles.
• Dynamic set-point → water profile in accordance with outdoor air temperature or current / voltage signal. Water filter → protection against impurities.
• Water differential pressure switch → protection against low water flow.
• Rubber pads → basic vibration attenuation.
• 3,25
• 3,00

Comparison between fixed speed and variable speed technology – Cooling operation

Comparison between fixed speed and variable speed technology – Heating operation

Specifications

General
SYSCROLL AIR EVO air cooled water heat pumps have been designed and optimized to operate with R410A refrigerant and inverter driven scroll compressors. Thanks to inverter technology it is possible to cover with only 2 sizes a very wide capacity range both in cooling (from 20 to 35 kW) and heating (from 20 to 34 kW) operation.
All units are equipped with a single inverter driven 3-phase scroll compressor.
The general operation status of the unit is steadily man-aged by a microprocessor implementing a dedicated developed software, allowing operation with a very low water content (2,5 l/kW) and ensuring a total protection of compressor inside its operating envelope.
An external buffer tank can be supplied as accessory for field installation; it is mainly recommended to provide compensation to water temperature decrease occurring during defrost operation.
The units can be equipped with an optional inverter driven multistage centrifugal pump.

Conformity with standards
The units are in conformity with the following standards

• Machinery Directive: 2006/42/EC
• Electromagnetic Compatibility Directive : 2014/30/UE
• Pressure Equipment Directive: 2014/68/UE
• Ecodesign Directive : 2009/125/EC

HP = Heat Pump; Version – = BLN.

Cabinet
The cabinet is made of heavy gauge galvanized steel. All galvanized steel components are individually painted by a special painting process before the assembly of the unit. This painting system performs a homogeneous pro-tection to the corrosion. The painting is a polyester pow-der based type, coloured in RAL 7040 as standard. The units are suitable for outdoor installation, directly on the building roof or at the ground level.

Compressors
Compressors are hermetic scroll equipped with brushless direct current motor (BLDC) type.
Motor is cooled down by refrigerant gas itself; a discharge gas thermostat and a discharge temperature sensor pro-tect motor against over-temperature operation.
A 40 W belt electric heater is switched ON during com-pressor OFF time in order to protect against flooded starts. Compressors are assembled on rubber shock absorbers to limit vibrations transmission.

Evaporator
Indoor heat exchangers are brazed stainless steel plate type. They are insulated with a 10 mm thick closed cell polyethylene foam material and provided with male gas threaded connections.
They are protected by a 35 W antifreeze electric heater to ensure a good protection against freezing at low ambient temperature when the unit is switched off.
Maximum working pressure is 10 bar at water side and 45 bar at refrigerant side.

Air cooled condenser coil
Outdoor heat exchanger is finned tube coil. Coils are built with internally grooved copper tubes expanded into cor-rugated aluminium fins. Fin pitch and blue fin hydrophilic treatment are intended to optimize coil behaviour during heating and defrost operations.

Condenser fans
Units are equipped with two 500 mm diameter axial fans with profiled, sickle shaped blades designed with bioni-cal know how, optimized full bellmouth with static blades (motor suspension) and short diffusor.
They are placed directly in front of the coil in order to in-crease the air flow and the heat transfer between air and refrigerant.
Fan motors have IP54 protection grade, and thermostat protection placed in the bearings. Both fans are equipped with a safety grill.

Refrigerant circuit
Refrigerant circuit is equipped with one hermetic scroll compressor, 4-way reversing valve, bi-flow filter drier, sight glass, bi-flow electronic expansion valve, liquid re-ceiver and suction accumulator.

Hydraulic circuit
The units can be equipped with an optional inverter driven multi-stage centrifugal pump providing outdoor avail-able static pressure. Pump impeller is insulated with anti-condensation shell. Water filter is supplied as standard. Safety valve and expansion tank are placed on suction side of the pump. Water connections are 1” 1/4 male GAS threaded type.

Control panel

A new optimized control with a simple user keyboard, manage unit operation under different load and temperature condition and protect compressor against operation out of its envelope.
In addition to standard features – as water temperature control – the control can also manage following functions

• Dynamic set point with OAT compensation or current / voltage input signal,
• Double set point,
• Advanced pump management,
• Counting of pump / compressors operating hours, Display of discharge and suction pressure values, Display of temperature sensors,
• History of stored alarms.

Safety and control devices
Each unit has complete with the following safety and control devices.

Safety

• Fans motor overload protection,
• Compressor motor overload protection, Phase sequence control,
• Pump motor overload protection, High pressure switch,
• Low pressure switch,
• Discharge gas thermostat, Evaporator antifreeze electric heater, Crankcase oil electric heater.

Control

• Return water temperature sensor, Leaving water temperature sensor,
• Coil temperature sensor,
• Suction and discharge temperature sensors, Air temperature sensor,
• Suction and discharge pressure transducers.

Standard equipment

• Fan speed control.
• Electronic expansion valve. ModBus protocol kit for BMS. Phase sequence control function. Modulating capacity control.
• Coil blue fin treatment.
• Coil guard.
• Double set-point.
• Dynamic set-point.
• Water filter.
• Water differential pressure switch. Evaporator antifreeze electric heater. Compressor belt electric heater.

Factory-installed options

• Inverter driven multistage centrifugal pump.

Field-installed accessories

• Water buffer tank (112 l),
• Water flow switch,
• Water pressure switch,
• In/out valve kit,
• No pump kit,
• Remote ON/OFF control,
• Remote keyboard panel,
• Domestic hot water kit,
• Auxiliary heater kit,
• Second set-point zone kit.

Accessories & Options

electric supply phases for 400/3/50 units.
Main switch| Std| | Front operated switch-disconnector with direct mounted handle to cut the power Supply Line according CE standards.
Differential pressure switch| Std| | Prevents the operation of the unit if the circulating chilled fluid is insufficient, by checking water differential pressure.
Antifreeze electric heater kit| Std| EEH| Electrical Heater protects the plate exchanger.
Low ambient kit(pressostatic modulating fan speed control)| Std| FSC| Electronic speed controllers are designed to control the speed of fan motors in Air Cooled Chiller and Heat pump. Fan Speed

controlled by Condensing Pressure in cool mode or by Air Temp in heat mode. Using variable fan speed controllers offers following benefits in commercial refrigeration or air-conditioning applications : High Efficiency, Low Noise level, Low air temperature in cool mode and High air temperature in heat mode.

Double set point| Std| DSP| Can manage two different setpoints selected by remote dry

contact.

Electronic expansion valve

| Std|

EEV

| It is the device able to control the refrigerant flow on suction line trough a stepper motor in order to keep the superheat as constant as possible.
Modbus protocol kit for BMS| Std| MBS| It permits the integration of the unit with Modbus protocol trough RS485 port.
Coil Guards| Std| CG| Grilles to protect the coils.
Water filter| Std| | Filter to remove impurities from the water supply.
Remote On/Off control| Accessory| | It enables the operator to power on the unit when it is in standby mode, to display alarms and switch over cooling–heat pump.
Maximum length : 50mt.
Remote keyboard panel| Accessory| | Makes it possible to control the unit through the remote terminal, up to a maximum distance of 400mt of telephone cable.
Flow switch| Accessory| FS| Prevents the operation of the unit if the circulating chilled fluid is insufficient. It is recommended to install a flow switch to ensure the correct operation of the unit.
Water pressure switch| Accessory| | Mechanical water pressure switch to be mounted on the field installation on installation water piping to prevent very low Water Pressure.
Valve in out| Accessory| | Ball valves makes it possible to insulate unit hydraulic circuit from the rest of the installation.
Inverter driven pump| Option| 1PSP| Pump is equipped with an additional frequency converter 0-10 V

driven by the main board, managing pump speed according

– Capacity request (DT control)

– Fixed speed (Manual flow control).

Domestic hot water management| Accessory| | Controller manages DHW production with dedicated Set-Point and field components.
Check the operating limits in the dedicated section.
Auxiliary heating source management| Accessory| | Controller enables an auxiliary source of heating through a

dedicated kit.

Set-Point secondary zone management| Accessory| | Controller enables the management of a secondary zone with its own Set-Point.
Chassis Acoustic Insulation| Option| CAI| Internal acoustic insulation of the chassis to reduce noise emissions.

Refrigerant Flow Diagram

COMPONENTS

1. Inverter driven Scroll compressor
2. 4-way valve
3. Air cooled condenser
4. Biflow filter drier
5. Sight glass
6. Expansion valve
7. Liquid receiver
8. Plate heat exchanger
9. Inverter driven pump (optional) Drain valve
10. Water buffer tank
11. Water filter (loose)
12. Automatic water charging valve
13. Water outlet
14. Water inlet
15. Water charging line
16. Expansion vessel (lt 5)
17. Suction accumulator

SAFETY/CONTROL DEVICES

• High pressure switch (40,5 bar)
• High pressure transducer
• Low pressure switch (1,5 bar)
• Low pressure transducer
• Water differential pressure switch (105 mbar) Air temperature sensor
• Outlet water temperature sensor
• Inlet water temperature sensor
• Flow switch
• Defrost temperature sensor
• Discharge gas temperature thermostat-DGT Vent valve
• Discharge temperature sensor
• Water safety valve (3 bar)
• Shrader valve (Service/Charging point) Suction temperature probe
• Pipe connection with Shrader valve 1/4” SAE
• Optional components
• Probes

Operating Limits – SYSCROLL 20 AIR EVO HP

Cooling operation / Max capacity

Cooling operation / Nominal capacity

Heating operation / Max capacity

Heating operation / Nominal capacity

Operating Limits – SYSCROLL 30 AIR EVO HP

Cooling operation / Max capacity

Cooling operation / Nominal capacity

Heating operation / Max capacity

Heating operation / Nominal capacity

Performances corrective factors (brine)
Unit capacity, absorbed power, brine flow rate, brine pressure drop, have to be corrected according following formula

CORRECTED UNIT CAPACITY
QCORRECTED/GLYCOL = QNOMINAL x Kc x KcE,P

Where

• Kc : Capacity corrective factor according to LWT (ΔT = 5 [K]) → refer to Table 1
• KcE : Capacity corrective factor according to glycol percentage (ETHYLENE GLYCOL) → refer to Table 2
• KcP : Capacity corrective factor according to glycol percentage (PROPYLENE GLYCOL) → refer to Table 4

CORRECTED UNIT ABSORBED POWER
PCORRECTED/GLYCOL = PNOMINAL x Ki x KiE,P

Where

• Ki : Absorbed power corrective factor according to LWT (ΔT = 5 [K]) → refer to Table 1
• KiE : Absorbed power corrective factor according to glycol percentage (ETHYLENE GLYCOL) → refer to Table 2
• KiP : Absorbed power corrective factor according to glycol percentage (PROPYLENE GLYCOL) → refer to Table 4

CORRECTED BRINE FLOW RATE
GCORRECTED/GLYCOL = GRE-CALCULATED x KfE,P

Where

• GRE-CALCULATED : Flow rate according to PCORRECTED/GLYCOL (PCORRECTED/GLYCOL x 860 / ΔT / 3600)
• KfE : Flow rate corrective factor according to glycol percentage (ETHYLENE GLYCOL) → refer to Table 2
• KfP : Flow rate corrective factor according to glycol percentage (PROPYLENE GLYCOL) → refer to Table 4

CORRECTED BRINE PRESSURE DROP ΔPCORRECTED/GLYCOL = ΔPRE-CALCULATED x KpE,P

Where

• ΔPRE-CALCULATED : Pressure drop according to GCORRECTED/GLYCOL (KBPHE x (GCORRECTED/GLYCOL)2)
• KpE : Pressure drop corrective factor according to glycol percentage (ETHYLENE GLYCOL) → refer to Table 2
• KpP : Pressure drop corrective factor according to glycol percentage (PROPYLENE GLYCOL) → refer to Table 5

Table 1

| Kc| Ki|
---|---|---|---
| 7| 1,000| 1,000|
| 4| 0,887| 0,940|

Leaving water

| 2| 0,816| 0,900|
0| 0,748| 0,865|
temperature|
-2| 0,685| 0,826|
[LWT] (°C)|
(ΔT=5 [K])| -4| 0,624| 0,788|
-6| 0,568| 0,753|
| -8| 0,513| 0,718|
| -10| 0,461| 0,683|

Table 2

0,983
Flow rate corrective factor| KfE| 1| 1,015| 1,050| 1,050| 1,123| 1,123
Pressure drop corrective factor (***)| KpE| 1| 1,070| 1,160| 1,160| 1,283| 1,283

• ASHRAE Handbook Fundamentals.
• Valid for LWT=7 [°C]. If LWT<7 [°C] consider Kc x KcE and Ki x KiE
• Valid for LWT > 5 [°C]. If LWT<5°C → refer to Table 3

Table 3

Ethylene Glycol Percentage| LWT [°C]| Corrective factor| K E

f

| Corrective factor| K E

p

---|---|---|---|---|---
10%| 5| 1,0154| | 1,0710
4| 1,0154| 1,0760
3| 1,0154| | 1,0810
2| 1,0154| 1,0850
20%| 1| 1,0417| | 1,1930
0| 1,0423| 1,2000
-1| 1,0428| | 1,2080
-2| 1,0434| 1,2150
30%| -3| 1,0927| | 1,2990
-4| 1,0936| 1,3060
-5| 1,0945| | 1,3200
-6| 1,0954| 1,3330

Table 4

P

| 1| 0,991| 0,977| 0,945| 0,911
Absorbed power corrective factor (**)| Ki

P

| 1| 0,994| 0,991| 0,975| 0,966
Flow rate corrective factor| Kf

P

| 1| 1,005| 1,030| 1,067| 1,130

• ASHRAE Handbook Fundamentals.
• Valid for LWT=7 [°C]. If LWT<7 [°C] consider Kc x KcP and Ki x KiP

Table 5

Ethylene Glycol Percentage| LWT [°C]| Corrective factor K p

p

---|---|---
10%| 5| 1,112
4| 1,134
20%| 5| 1,175
4| 1,196
3| 1,206
30%| 5| 1,290
4| 1,300
3| 1,310
0| 1,362
-2| 1,393
-4| 1,414
40%| 5| 1,433
4| 1,435
3| 1,456
0| 1,497
-2| 1,549
-4| 1,580
-6| 1,612
-8| 1,653

Technical data

Model| 20| 30|
---|---|---|---
Heating capacity – (min / nom / max) (1)| kW| 9,94| 20,4| 29,4| | 11,5| 26,1| 34,0
Power input (1)| kW| 2,98| 5,02| 8,37| | | 3,01| 6,45| 9,80
COP (1)| kW/kW| 3,34| 4,06| 3,51| | 3,82| 4,05| 3,47
Capacity range (1)| %| 49%| –| 144%| | | 44%| –| 130%
Cooling Capacity – (min / nom / max) (2)| kW| 9,33| 20,0| 28,0| | 13,9| 29,0| 35,9
Power input (2)| kW| 2,38| 4,15| 6,61| | | 3,51| 7,24| 13,0
EER (2)| kW/kW| 3,92| 4,82| 4,24| | 3,96| 4,01| 2,76
EUROVENT CLASS (EER) (2)| | | A| | | | | A|
Capacity range (2)| %| 47%| –| 140%| | 48%| –| 124%
Heating capacity – (min / nom / max) (3)| kW| 8,90| 20,4| 27,4| | | 10,2| 26,1| 33,5
Power input (3)| kW| 3,34| 6,44| 9,64| | 3,97| 8,42| 11,6
COP (3)| kW/kW| 2,66| 3,17| 2,84| | | 2,57| 3,10| 2,89
Capacity range (3)| %| 44%| –| 134%| | 39%| –| 128%
Cooling Capacity – (min / nom / max) (4)| kW| 6,60| 21,0| 25,2| | | 9,43| 28,0| 31,1
Power input (4)| kW| 2,52| 6,95| 10,3| | 3,14| 10,89| 12,4
EER (4)| kW/kW| 2,62| 3,02| 2,45| | | 3,00| 2,57| 2,51
EUROVENT CLASS (EER) (4)| | | B| | | | C|
Capacity range (4)| %| 33%| –| 126%| | | 33%| –| 107%
EER 75%| kW/kW| | 3,83| | | | 3,65|
EER 50%| kW/kW| | 4,53| | | | | 4,48|
EER 25%| kW/kW| | 3,80| | | | 4,79|
SEER (5)| | | 3,30| | | | | 3,98|
17sc (5)| | | 129| | | | 156|
SCOP (6)| | | 3,75| | | | | 3,68|
EUROVENT CLASS (SCOP) (6)| | | A+| | | | A+|
17sh (6)| | | 147| | | | | 144|
SCOP (7)| | | 3,00| | | | 2,95|
EUROVENT CLASS (SCOP) (7)| | | A+| | | | | A+|
17sh (7)| | | 117| | | | 115|
Number of Refrigerant Circuits| | | | | 1| | |
Part Load Steps| %| | | | Stepless| | |

1. Eurovent LCP/A/CHF conditions in heating mode : water heat exchanger EWT/LWT → 30°C/35°C, OAT → 7°C db/6°C WB according EN14511 standard.
2. Eurovent LCP/A/CHF conditions in cooling mode: water heat exchanger EWT/LWT → 23°C/18°C, OAT → 35°C according EN14511 standard.
3. SyScroll 30 Air Evo Air Cooled Inverter Driven Water Heat Pump

Product Information

The Chiller SYSCROLL 20-30 AIR EVO is an air-cooled inverter-driven water heat pump. It has a capacity range of 20.0 to 35.0 kW for cooling operation and 20.0 to 34.0 kW for heating operation. The unit is designed to provide great accuracy in maintaining the desired set-point and offers wide load variation capability. It is optimized for both fan coil and floor applications and delivers excellent efficiency performances at full and partial loads. The SYSCROLL 20-30 AIR EVO comes with several options and accessories as standard, including fan speed control, electronic expansion valve for precision in SH control, ModBus interface for supervision readiness, phase sequence control algorithm for safe electric installation, modulating capacity control for precision in water setpoint control, soft-start function for low inrush current, power factor correction function for low input current distortion, coil blue fin treatment for effective water drainage during defrost, coil guard for protection during transport and installation, and double set-point with different daily profiles. The unit also features dynamic set-point water profile in accordance with outdoor air temperature or current/voltage signal, water filter for protection against impurities, water differential pressure switch for protection against low water flow, and rubber pads for basic vibration attenuation.

Product Usage Instructions

To use the Chiller SYSCROLL 20-30 AIR EVO:

1. Ensure that the unit is properly installed according to the installation manual.
2. Connect the necessary power supply to the unit.
3. Set the desired cooling or heating set-point using the control panel or remote control.
4. If required, adjust the fan speed control for cooling operation with low outdoor air temperature or heating operation with high outdoor air temperature.
5. Monitor the unit’s performance and adjust settings as needed to maintain the desired temperature.
6. Regularly clean and maintain the unit as instructed in the maintenance manual to ensure optimal performance.

For any further assistance or inquiries, please contact Adremit Limited

Call: 0845 6880112
Email: info@adremit.co.uk
Address: Puravent, Adremit Limited, Unit 5a, Commercial Yard,
Settle, North Yorkshire, BD24 9RH

Key points

• Wide load variation capability.
• Cooling operation → down to 30 % and up to 140% of nominal capacity.
• Heating operation → down to 40% and up to 130% of nominal capacity.
• Great accuracy in maintaining desired set-point.
• Unit optimization for heating operation both for fan coil and floor application.
• Excellent efficiency performances both at full and partial load (EER/COP/SEER/SCOP).
  • Wide operating limits in heating mode:
  • Min outdoor ambient temperature → -15 [°C].
• Max leaving water temperature → 55 [°C].
• Simple refrigerant circuit with easy access to inner com-ponents for maintenance purpose.
• Aeraulic independence between refrigerant circuit and condensing side.
• New fan motors (Erp 2015 compliant) with integrated grill, nozzle and condensers.
• Possibility to manage domestic hot water production, auxiliary heating source, second set-point zone field components
• Several options / accessories provided with standard de-livery:
• Fan speed control → cooling operation with low OAT / heating operation with high OAT.
• Electronic expansion valve → precision in SH control. ModBus interface → supervision ready.
• Phase sequence control algorithm → safe electric in-stallation.
• Modulating capacity control → precision in water set-point control.
• Soft-start function → low inrush current.
• Power factor correction function → low input current distortion.
• Coil blue fin treatment → effective water drainage dur-ing defrost.
• Coil guard → protection during transport and installa-tion.
• Double set-point→ different daily profiles.
• Dynamic set-point → water profile in accordance with outdoor air temperature or current / voltage signal. Water filter → protection against impurities.
• Water differential pressure switch → protection against low water flow.
• Rubber pads → basic vibration attenuation.
• 3,25
• 3,00

Comparison between fixed speed and variable speed technology – Cooling operation

Comparison between fixed speed and variable speed technology – Heating operation

Specifications

General
SYSCROLL AIR EVO air cooled water heat pumps have been designed and optimized to operate with R410A re-frigerant and inverter driven scroll compressors. Thanks to inverter technology it is possible to cover with only 2 sizes a very wide capacity range both in cooling (from 20 to 35 kW) and heating (from 20 to 34 kW) op-eration.
All units are equipped with a single inverter driven 3-phase scroll compressor.
The general operation status of the unit is steadily man-aged by a microprocessor implementing a dedicated de-veloped software, allowing operation with a very low wa-ter content (2,5 l/kW) and ensuring a total protection of compressor inside its operating envelope.
An external buffer tank can be supplied as accessory for field installation; it is mainly recommended to provide compensation to water temperature decrease occurring during defrost operation.
The units can be equipped with an optional inverter driv-en multistage centrifugal pump.

Conformity with standards
The units are in conformity with the following standards:

• Machinery Directive: 2006/42/EC
• Electromagnetic Compatibility Directive: 2014/30/UE
• Pressure Equipment Directive: 2014/68/UE
• Ecodesign Directive: 2009/125/EC

HP = Heat Pump; Version – = BLN.

Cabinet
The cabinet is made of heavy gauge galvanized steel. All galvanized steel components are individually painted by a special painting process before the assembly of the unit. This painting system performs a homogeneous pro-tection to the corrosion. The painting is a polyester pow-der based type, coloured in RAL 7040 as standard. The units are suitable for outdoor installation, directly on the building roof or at the ground level.

Compressors
Compressors are hermetic scroll equipped with brushless direct current motor (BLDC) type.
Motor is cooled down by refrigerant gas itself; a discharge gas thermostat and a discharge temperature sensor pro-tect motor against over-temperature operation.
A 40 W belt electric heater is switched ON during com-pressor OFF time in order to protect against flooded starts. Compressors are assembled on rubber shock absorbers to limit vibrations transmission.

Evaporator
Indoor heat exchangers are brazed stainless steel plate type. They are insulated with a 10 mm thick closed cell polyethylene foam material and provided with male gas threaded connections.
They are protected by a 35 W antifreeze electric heater to ensure a good protection against freezing at low ambient temperature when the unit is switched off.
Maximum working pressure is 10 bar at water side and 45 bar at refrigerant side.

Air cooled condenser coil
Outdoor heat exchanger is finned tube coil. Coils are built with internally grooved copper tubes expanded into cor-rugated aluminium fins. Fin pitch and blue fin hydrophilic treatment are intended to optimize coil behaviour during heating and defrost operations.

Condenser fans
Units are equipped with two 500 mm diameter axial fans with profiled, sickle shaped blades designed with bioni-cal know how, optimized full bellmouth with static blades (motor suspension) and short diffusor.
They are placed directly in front of the coil in order to in-crease the air flow and the heat transfer between air and refrigerant.
Fan motors have IP54 protection grade, and thermostat protection placed in the bearings. Both fans are equipped with a safety grill.

Refrigerant circuit
Refrigerant circuit is equipped with one hermetic scroll compressor, 4-way reversing valve, bi-flow filter drier, sight glass, bi-flow electronic expansion valve, liquid re-ceiver and suction accumulator.

Hydraulic circuit
The units can be equipped with an optional inverter driven multi-stage centrifugal pump providing outdoor avail-able static pressure. Pump impeller is insulated with anti-condensation shell. Water filter is supplied as standard. Safety valve and expansion tank are placed on suction side of the pump. Water connections are 1” 1/4 male GAS threaded type.

Control panel

A new optimized control with a simple user keyboard, manage unit operation under different load and temperature condition and protect compressor against operation out of its envelope.
In addition to standard features – as water temperature control – the control can also manage following functions:

• Dynamic set point with OAT compensation or current / voltage input signal,
• Double set point,
• Advanced pump management,
• Counting of pump / compressors operating hours, Display of discharge and suction pressure values, Display of temperature sensors,
• History of stored alarms.

Safety and control devices
Each unit has complete with the following safety and control devices.

Safety

• Fans motor overload protection,
• Compressor motor overload protection, Phase sequence control,
• Pump motor overload protection, High pressure switch,
• Low pressure switch,
• Discharge gas thermostat, Evaporator antifreeze electric heater, Crankcase oil electric heater.

Control

• Return water temperature sensor, Leaving water temperature sensor,
• Coil temperature sensor,
• Suction and discharge temperature sensors, Air temperature sensor,
• Suction and discharge pressure transducers.

Standard equipment

• Fan speed control.
• Electronic expansion valve. ModBus protocol kit for BMS. Phase sequence control function. Modulating capacity control.
• Coil blue fin treatment.
• Coil guard.
• Double set-point.
• Dynamic set-point.
• Water filter.
• Water differential pressure switch. Evaporator antifreeze electric heater. Compressor belt electric heater.

Factory-installed options

• Inverter driven multistage centrifugal pump.

Field-installed accessories

• Water buffer tank (112 l),
• Water flow switch,
• Water pressure switch,
• In/out valve kit,
• No pump kit,
• Remote ON/OFF control,
• Remote keyboard panel,
• Domestic hot water kit,
• Auxiliary heater kit,
• Second set-point zone kit.

Accessories & Options

electric supply phases for 400/3/50 units.
Main switch| Std| | Front operated switch-disconnector with direct mounted handle to cut the power Supply Line according CE standards.
Differential pressure switch| Std| | Prevents the operation of the unit if the circulating chilled fluid is insufficient, by checking water differential pressure.
Antifreeze electric heater kit| Std| EEH| Electrical Heater protects the plate exchanger.
Low ambient kit(pressostatic modulating fan speed control)| Std| FSC| Electronic speed controllers are designed to control the speed of fan motors in Air Cooled Chiller and Heat pump. Fan Speed

controlled by Condensing Pressure in cool mode or by Air Temp in heat mode. Using variable fan speed controllers offers following benefits in commercial refrigeration or air-conditioning applications: High Efficiency, Low Noise level, Low air temperature in cool mode and High air temperature in heat mode.

Double set point| Std| DSP| Can manage two different setpoints selected by remote dry

contact.

Electronic expansion valve

| Std|

EEV

| It is the device able to control the refrigerant flow on suction line trough a stepper motor in order to keep the superheat as constant as possible.
Modbus protocol kit for BMS| Std| MBS| It permits the integration of the unit with Modbus protocol trough RS485 port.
Coil Guards| Std| CG| Grilles to protect the coils.
Water filter| Std| | Filter to remove impurities from the water supply.
Remote On/Off control| Accessory| | It enables the operator to power on the unit when it is in standby mode, to display alarms and switch over cooling–heat pump.
Maximum length : 50mt.
Remote keyboard panel| Accessory| | Makes it possible to control the unit through the remote terminal, up to a maximum distance of 400mt of telephone cable.
Flow switch| Accessory| FS| Prevents the operation of the unit if the circulating chilled fluid is insufficient. It is recommended to install a flow switch to ensure the correct operation of the unit.
Water pressure switch| Accessory| | Mechanical water pressure switch to be mounted on the field installation on installation water piping to prevent very low Water Pressure.
Valve in out| Accessory| | Ball valves makes it possible to insulate unit hydraulic circuit from the rest of the installation.
Inverter driven pump| Option| 1PSP| Pump is equipped with an additional frequency converter 0-10 V

driven by the main board, managing pump speed according

– Capacity request (DT control)

– Fixed speed (Manual flow control).

Domestic hot water management| Accessory| | Controller manages DHW production with dedicated Set-Point and field components.
Check the operating limits in the dedicated section.
Auxiliary heating source management| Accessory| | Controller enables an auxiliary source of heating through a

dedicated kit.

Set-Point secondary zone management| Accessory| | Controller enables the management of a secondary zone with its own Set-Point.
Chassis Acoustic Insulation| Option| CAI| Internal acoustic insulation of the chassis to reduce noise emissions.

Refrigerant Flow Diagram

COMPONENTS

1. Inverter driven Scroll compressor
2. 4-way valve
3. Air cooled condenser
4. Biflow filter drier
5. Sight glass
6. Expansion valve
7. Liquid receiver
8. Plate heat exchanger
9. Inverter driven pump (optional) Drain valve
10. Water buffer tank
11. Water filter (loose)
12. Automatic water charging valve
13. Water outlet
14. Water inlet
15. Water charging line
16. Expansion vessel (lt 5)
17. Suction accumulator

SAFETY/CONTROL DEVICES

• High pressure switch (40,5 bar)
• High pressure transducer
• Low pressure switch (1,5 bar)
• Low pressure transducer
• Water differential pressure switch (105 mbar) Air temperature sensor
• Outlet water temperature sensor
• Inlet water temperature sensor
• Flow switch
• Defrost temperature sensor
• Discharge gas temperature thermostat-DGT Vent valve
• Discharge temperature sensor
• Water safety valve (3 bar)
• Shrader valve (Service/Charging point) Suction temperature probe
• Pipe connection with Shrader valve 1/4” SAE
• Optional components
• Probes

Operating Limits – SYSCROLL 20 AIR EVO HP

Cooling operation / Max capacity

Cooling operation / Nominal capacity

Heating operation / Max capacity

Heating operation / Nominal capacity

Operating Limits – SYSCROLL 30 AIR EVO HP

Cooling operation / Max capacity

Cooling operation / Nominal capacity

Heating operation / Max capacity

Heating operation / Nominal capacity

Performances corrective factors (brine)
Unit capacity, absorbed power, brine flow rate, brine pressure drop, have to be corrected according following formula:

CORRECTED UNIT CAPACITY
QCORRECTED/GLYCOL = QNOMINAL x Kc x KcE,P

Where

• Kc : Capacity corrective factor according to LWT (ΔT = 5 [K]) → refer to Table 1
• KcE : Capacity corrective factor according to glycol percentage (ETHYLENE GLYCOL) → refer to Table 2
• KcP : Capacity corrective factor according to glycol percentage (PROPYLENE GLYCOL) → refer to Table 4

CORRECTED UNIT ABSORBED POWER
PCORRECTED/GLYCOL = PNOMINAL x Ki x KiE,P

Where

• Ki : Absorbed power corrective factor according to LWT (ΔT = 5 [K]) → refer to Table 1
• KiE : Absorbed power corrective factor according to glycol percentage (ETHYLENE GLYCOL) → refer to Table 2
• KiP : Absorbed power corrective factor according to glycol percentage (PROPYLENE GLYCOL) → refer to Table 4

CORRECTED BRINE FLOW RATE
GCORRECTED/GLYCOL = GRE-CALCULATED x KfE,P

Where

• GRE-CALCULATED : Flow rate according to PCORRECTED/GLYCOL (PCORRECTED/GLYCOL x 860 / ΔT / 3600)
• KfE : Flow rate corrective factor according to glycol percentage (ETHYLENE GLYCOL) → refer to Table 2
• KfP : Flow rate corrective factor according to glycol percentage (PROPYLENE GLYCOL) → refer to Table 4

CORRECTED BRINE PRESSURE DROP ΔPCORRECTED/GLYCOL = ΔPRE-CALCULATED x KpE,P

Where

• ΔPRE-CALCULATED : Pressure drop according to GCORRECTED/GLYCOL (KBPHE x (GCORRECTED/GLYCOL)2)
• KpE : Pressure drop corrective factor according to glycol percentage (ETHYLENE GLYCOL) → refer to Table 2
• KpP : Pressure drop corrective factor according to glycol percentage (PROPYLENE GLYCOL) → refer to Table 5

Table 1

| Kc| Ki|
---|---|---|---
| 7| 1,000| 1,000|
| 4| 0,887| 0,940|

Leaving water

| 2| 0,816| 0,900|
0| 0,748| 0,865|
temperature|
-2| 0,685| 0,826|
[LWT] (°C)|
(ΔT=5 [K])| -4| 0,624| 0,788|
-6| 0,568| 0,753|
| -8| 0,513| 0,718|
| -10| 0,461| 0,683|

Table 2

0,983
Flow rate corrective factor| KfE| 1| 1,015| 1,050| 1,050| 1,123| 1,123
Pressure drop corrective factor (***)| KpE| 1| 1,070| 1,160| 1,160| 1,283| 1,283

• ASHRAE Handbook Fundamentals.
• Valid for LWT=7 [°C]. If LWT<7 [°C] consider Kc x KcE and Ki x KiE
• Valid for LWT > 5 [°C]. If LWT<5°C → refer to Table 3

Table 3

Ethylene Glycol Percentage| LWT [°C]| Corrective factor| K E

f

| Corrective factor| K E

p

---|---|---|---|---|---
10%| 5| 1,0154| | 1,0710
4| 1,0154| 1,0760
3| 1,0154| | 1,0810
2| 1,0154| 1,0850
20%| 1| 1,0417| | 1,1930
0| 1,0423| 1,2000
-1| 1,0428| | 1,2080
-2| 1,0434| 1,2150
30%| -3| 1,0927| | 1,2990
-4| 1,0936| 1,3060
-5| 1,0945| | 1,3200
-6| 1,0954| 1,3330

Table 4

P

| 1| 0,991| 0,977| 0,945| 0,911
Absorbed power corrective factor (**)| Ki

P

| 1| 0,994| 0,991| 0,975| 0,966
Flow rate corrective factor| Kf

P

| 1| 1,005| 1,030| 1,067| 1,130

• ASHRAE Handbook Fundamentals.
• Valid for LWT=7 [°C]. If LWT<7 [°C] consider Kc x KcP and Ki x KiP

Table 5

Ethylene Glycol Percentage| LWT [°C]| Corrective factor K p

p

---|---|---
10%| 5| 1,112
4| 1,134
20%| 5| 1,175
4| 1,196
3| 1,206
30%| 5| 1,290
4| 1,300
3| 1,310
0| 1,362
-2| 1,393
-4| 1,414
40%| 5| 1,433
4| 1,435
3| 1,456
0| 1,497
-2| 1,549
-4| 1,580
-6| 1,612
-8| 1,653

Technical data

Model| 20| 30|
---|---|---|---
Heating capacity – (min / nom / max) (1)| kW| 9,94| 20,4| 29,4| | 11,5| 26,1| 34,0
Power input (1)| kW| 2,98| 5,02| 8,37| | | 3,01| 6,45| 9,80
COP (1)| kW/kW| 3,34| 4,06| 3,51| | 3,82| 4,05| 3,47
Capacity range (1)| %| 49%| –| 144%| | | 44%| –| 130%
Cooling Capacity – (min / nom / max) (2)| kW| 9,33| 20,0| 28,0| | 13,9| 29,0| 35,9
Power input (2)| kW| 2,38| 4,15| 6,61| | | 3,51| 7,24| 13,0
EER (2)| kW/kW| 3,92| 4,82| 4,24| | 3,96| 4,01| 2,76
EUROVENT CLASS (EER) (2)| | | A| | | | | A|
Capacity range (2)| %| 47%| –| 140%| | 48%| –| 124%
Heating capacity – (min / nom / max) (3)| kW| 8,90| 20,4| 27,4| | | 10,2| 26,1| 33,5
Power input (3)| kW| 3,34| 6,44| 9,64| | 3,97| 8,42| 11,6
COP (3)| kW/kW| 2,66| 3,17| 2,84| | | 2,57| 3,10| 2,89
Capacity range (3)| %| 44%| –| 134%| | 39%| –| 128%
Cooling Capacity – (min / nom / max) (4)| kW| 6,60| 21,0| 25,2| | | 9,43| 28,0| 31,1
Power input (4)| kW| 2,52| 6,95| 10,3| | 3,14| 10,89| 12,4
EER (4)| kW/kW| 2,62| 3,02| 2,45| | | 3,00| 2,57| 2,51
EUROVENT CLASS (EER) (4)| | | B| | | | C|
Capacity range (4)| %| 33%| –| 126%| | | 33%| –| 107%
EER 75%| kW/kW| | 3,83| | | | 3,65|
EER 50%| kW/kW| | 4,53| | | | | 4,48|
EER 25%| kW/kW| | 3,80| | | | 4,79|
SEER (5)| | | 3,30| | | | | 3,98|
17sc (5)| | | 129| | | | 156|
SCOP (6)| | | 3,75| | | | | 3,68|
EUROVENT CLASS (SCOP) (6)| | | A+| | | | A+|
17sh (6)| | | 147| | | | | 144|
SCOP (7)| | | 3,00| | | | 2,95|
EUROVENT CLASS (SCOP) (7)| | | A+| | | | | A+|
17sh (7)| | | 117| | | | 115|
Number of Refrigerant Circuits| | | | | 1| | |
Part Load Steps| %| | | | Stepless| | |

1. Eurovent LCP/A/CHF conditions in heating mode : water heat exchanger EWT/LWT → 30°C/35°C, OAT → 7°C db/6°C WB according EN14511 standard.
2. Eurovent LCP/A/CHF conditions in cooling mode : water heat exchanger EWT/LWT → 23°C/18°C, OAT → 35°C according EN14511 standard.
3. Eurovent LCP/A/AC conditions in heating mode : water heat exchanger EWT/LWT → 40°C/45°C, OAT → 7°C db/6°C WB according EN14511 standard.
4. Eurovent LCP/A/AC conditions in cooling mode: water heat exchanger EWT/LWT → 12°C/7°C, OAT → 35°C according EN14511 standard.
5. According to EN14825 standard and following COMMISSION REGULATION (EU) No 2016/2281 for comfort application chillers.
6. According to EN14825 standard – low temperature application (35°C) and following COMMISSION REGULATION (EU) No 813/2013 for heat pumps.
7. According to EN14825 standard – medium temperature application (55°C) and following COMMISSION REGULATION (EU) No 813/2013 for heat pumps.

Model| 20| 30|
---|---|---|---
Weight|
Shipping| kg| 266| 281
Operating| kg| 260| 275
Dimensions
Length| mm| 1.477| 1.477
Width| mm| 539| 539
Height| mm| 1.615| 1.615
Acoustic Data| | |
Sound Power Level| dB(A)| 74| 75
Sound Pressure Level(7)| dB(A)| 43| 44
---|---|---|---

Sound Pressure calculated at 10m. Values refers to ISO Standard 3744 with parallepiped shape.

Electrical Data

• The dimensioning of the unit’s power cables is the responsibility of the installer, who shall consider: the rating, the maximum working temperature in the room, the type of insulation and the cable laying, the maximum lenght of the power supply line.

Compressor data|
---|---
SYSCROLL AIR EVO HP| | 20| | | 30
Power supply| V/ph/Hz| | 400 ± ( 10%)/3/50|
Number| | | 1| |
Maximum power input| kW| 11,9| | 14,4
Nominal current input| A| 15,0| | | 20,0
Maximum current input| A| 22,0| | 27,0
Crankcase heater (230±(10%)/1/50)| W| | 40|

Fan data

| | | |
SYSCROLL AIR EVO HP| | 20| | | 30
Power supply| V/ph/Hz| | 230 ± ( 10%)/1/50|
Number| | | 2| |
Maximum power input| kW| | 0,3+0,3|
Nominal current input| A| | 1,3+1,3|

Pump data

| | | |
SYSCROLL AIR EVO HP| | 20| | | 30
Power supply| V/ph/Hz| | 400 ± ( 10%)/3/50|
Number| | | 1| |
Maximum power input| kW| | 0,72|
Nominal current input| A| | 1,3| |

Sound Data

| | | |

Size

| Octave Band (Hz)|

Sound Power Level dB(A)

|

Sound Pressure Level* dB(A)

---|---|---|---
63| 125| 250| 500| 1000| 2000| 4000| 8000
Sound Power Level (dB)
20| 84| 68| 71| 70| 70| 65| 59| 54| 74| 42
30| 86| 69| 72| 71| 70| 66| 59| 56| 75| 43

• Sound pressure level at 10 m. Values refers to ISO Standard 3744 with parallepiped shape.
• Nominal performances* (different speeds) – SYSCROLL 20 AIR EVO HP

Cooling operation

SYSCROLL 20

AIR EVO HP

| 25| 30| 35| 40| 45
---|---|---|---|---|---
PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

LWT (°C)

| 5| 20,0| 5,98| 3,34| 20,0| 7,05| 2,84| 20,0| 7,77| 2,57| 20,0| 9,72| 2,06| 19,4| 11,3| 1,71
7| 20,0| 5,08| 3,94| 20,0| 5,82| 3,44| 20,0| 6,65| 3,01| 20,0| 8,56| 2,34| 20,0| 10,6| 1,89
10| 20,0| 4,10| 4,88| 20,0| 4,83| 4,14| 20,0| 5,93| 3,37| 20,0| 7,55| 2,65| 20,0| 9,49| 2,11
15| 20,0| 3,60| 5,56| 20,0| 4,08| 4,90| 20,0| 4,72| 4,24| 20,0| 5,96| 3,36| 20,0| 7,49| 2,67
18| 20,0| 3,47| 5,76| 20,0| 3,92| 5,10| 20,0| 4,15| 4,82| 20,0| 5,55| 3,60| 20,0| 7,12| 2,81

Heating operation

SYSCROLL 20

AIR EVO HP

| -15| -10| -7| -2
---|---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 12,8| 7,67| 1,67| 16,5| 7,82| 2,11| 19,7| 7,95| 2,48| 20,5| 7,59| 2,69
40| 13,6| 8,36| 1,62| 16,9| 8,50| 1,99| 19,5| 8,61| 2,26| 20,4| 8,61| 2,37
45| 12,3| 8,21| 1,50| 17,3| 9,18| 1,88| 19,3| 9,26| 2,08| 20,4| 8,98| 2,28
50| 9,82| 7,42| 1,32| 14,0| 7,97| 1,75| 16,1| 9,44| 1,71| 20,4| 9,87| 2,07
55| | | | 10,3| 7,28| 1,42| 12,8| 8,32| 1,54| 18,8| 9,47| 1,98

SYSCROLL 20

AIR EVO HP

| 2| 7| 12
---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 20,4| 6,68| 3,06| 20,4| 5,02| 4,06| 20,4| 4,40| 4,65
40| 20,4| 7,35| 2,78| 20,4| 6,09| 3,36| 20,4| 4,97| 4,11
45| 20,4| 8,01| 2,55| 20,4| 6,44| 3,17| 20,4| 5,58| 3,66
50| 20,4| 8,46| 2,42| 20,4| 7,14| 2,86| 20,4| 6,23| 3,28
55| 20,4| 8,85| 2,31| 20,4| 8,41| 2,43| 20,4| 6,93| 2,95

Max performances* (different speeds) – SYSCROLL 20 AIR EVO HP

Cooling operation

SYSCROLL 20

AIR EVO HP

| 25| 30| 35| 40| 45
---|---|---|---|---|---
PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

LWT (°C)

| 5| 25,6| 8,82| 2,90| 24,4| 9,48| 2,57| 23,4| 10,2| 2,30| 21,3| 10,7| 1,98| 19,4| 11,3| 1,71
7| 28,6| 8,95| 3,20| 26,8| 9,6| 2,79| 25,2| 10,3| 2,46| 23,0| 10,9| 2,11| 20,9| 11,6| 1,81
10| 33,1| 9,13| 3,63| 30,5| 9,8| 3,12| 27,9| 10,4| 2,69| 25,6| 11,2| 2,30| 23,3| 11,9| 1,96
15| 40,6| 9,44| 4,30| 36,7| 10,1| 3,64| 32,3| 10,6| 3,04| 30,0| 11,6| 2,60| 27,1| 12,4| 2,19
18| 31,5| 5,93| 5,31| 29,4| 6,51| 4,52| 28,0| 6,61| 4,24| 25,6| 7,86| 3,26| 22,9| 8,62| 2,66

Heating operation

SYSCROLL 20

AIR EVO HP

| -15| -10| -7| -2
---|---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 12,8| 7,67| 1,67| 16,5| 7,82| 2,11| 19,7| 7,95| 2,48| 22,4| 8,05| 2,79
40| 13,6| 8,36| 1,62| 16,9| 8,50| 1,99| 19,5| 8,61| 2,26| 22,3| 8,72| 2,55
45| 12,3| 8,21| 1,50| 17,3| 9,18| 1,88| 19,3| 9,26| 2,08| 22,1| 9,39| 2,36
50| 9,82| 7,42| 1,32| 14,0| 7,97| 1,75| 16,1| 9,44| 1,71| 22,0| 10,1| 2,18
55| | | | 10,3| 7,28| 1,42| 12,8| 8,32| 1,54| 18,8| 9,47| 1,98
SYSCROLL 20

AIR EVO HP

| 2| 7| 12
---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 23,4| 8,05| 2,90| 29,4| 8,37| 3,52| 33,4| 8,48| 3,94
40| 23,8| 8,76| 2,72| 28,5| 9,01| 3,16| 32,1| 9,11| 3,52
45| 24,2| 9,47| 2,56| 27,4| 9,64| 2,84| 30,7| 9,74| 3,16
50| 24,6| 10,2| 2,42| 26,5| 10,3| 2,58| 29,4| 10,4| 2,84
55| 25,1| 10,9| 2,30| 25,5| 10,9| 2,34| 28,1| 11,0| 2,55

Nominal performances* (different speeds) – SYSCROLL 30 AIR EVO HP

Cooling operation

SYSCROLL 30

AIR EVO HP

| 25| 30| 35| 40| 45
---|---|---|---|---|---
PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

LWT (°C)

| 5| 29,0| 7,84| 3,70| 29,0| 9,38| 3,09| 29,0| 10,8| 2,69| 27,1| 12,9| 2,11| 23,0| 11,5| 2,01
7| 29,0| 7,28| 3,98| 29,0| 9,31| 3,11| 29,0| 10,7| 2,71| 29,0| 12,7| 2,28| 24,0| 12,2| 1,97
10| 29,0| 7,13| 4,07| 29,0| 7,69| 3,77| 29,0| 10,1| 2,88| 28,9| 12,1| 2,39| 24,8| 11,2| 2,22
15| 29,0| 5,91| 4,91| 29,0| 6,84| 4,24| 29,0| 7,72| 3,76| 29,0| 10,1| 2,88| 25,5| 9,88| 2,58
18| 29,0| 5,32| 5,45| 29,0| 6,31| 4,60| 29,0| 7,24| 4,01| 29,0| 9,61| 3,02| 25,9| 9,64| 2,69

Heating operation

SYSCROLL 30

AIR EVO HP

| -15| -10| -7| -2
---|---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 17,7| 8,53| 2,07| 21,5| 8,82| 2,43| 24,5| 9,03| 2,71| 26,1| 8,59| 3,04
40| 17,8| 9,20| 1,94| 21,5| 9,52| 2,25| 24,0| 9,72| 2,47| 26,1| 9,57| 2,73
45| 18,0| 9,87| 1,82| 21,5| 10,2| 2,10| 23,6| 10,4| 2,27| 26,1| 10,6| 2,47
50| 15,3| 10,0| 1,53| 21,5| 10,9| 1,96| 23,1| 11,1| 2,08| 26,1| 10,9| 2,40
55| 10,5| 8,89| 1,18| 14,4| 9,06| 1,58| 20,1| 10,3| 1,96| 26,1| 11,8| 2,20
SYSCROLL 30

AIR EVO HP

| 2| 7| 12
---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 26,1| 7,80| 3,35| 26,1| 6,45| 4,05| 26,1| 5,51| 4,74
40| 26,1| 8,59| 3,04| 26,1| 7,46| 3,50| 26,1| 6,20| 4,21
45| 26,1| 9,32| 2,80| 26,1| 8,42| 3,10| 26,1| 6,94| 3,76
50| 26,1| 10,0| 2,61| 26,1| 9,02| 2,89| 26,1| 7,50| 3,48
55| 26,1| 11,8| 2,21| 26,1| 9,85| 2,65| 26,1| 7,68| 3,40

Max performances* (different speeds) – SYSCROLL 30 AIR EVO HP

Cooling operation

SYSCROLL 30

AIR EVO HP

| 25| 30| 35| 40| 45
---|---|---|---|---|---
PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

LWT (°C)

| 5| 33,6| 10,4| 3,22| 31,9| 11,2| 2,84| 30,3| 12,1| 2,51| 27,1| 12,9| 2,11| 23,0| 11,5| 2,01
7| 35,2| 10,8| 3,25| 33,6| 11,5| 2,91| 31,1| 12,4| 2,51| 29,0| 12,7| 2,28| 24,0| 12,2| 1,97
10| 36,8| 11,0| 3,34| 35,6| 11,9| 3,00| 33,5| 12,8| 2,62| 28,9| 12,1| 2,39| 24,8| 11,2| 2,22
15| 40,1| 11,6| 3,45| 37,9| 12,6| 3,01| 36,2| 13,6| 2,67| 30,5| 11,2| 2,72| 25,5| 9,88| 2,58
18| 42,5| 12,1| 3,52| 39,8| 13,0| 3,05| 35,9| 13,0| 2,76| 31,1| 11,3| 2,75| 25,9| 9,64| 2,69

Heating operation

SYSCROLL 30

AIR EVO HP

| -15| -10| -7| -2
---|---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 17,7| 8,53| 2,07| 21,5| 8,82| 2,43| 24,5| 9,03| 2,71| 27,5| 9,27| 2,97
40| 17,8| 9,20| 1,94| 21,5| 9,52| 2,25| 24,0| 9,72| 2,47| 27,3| 10,0| 2,72
45| 18,0| 9,87| 1,82| 21,5| 10,2| 2,10| 23,6| 10,4| 2,27| 27,0| 10,8| 2,50
50| 15,3| 10,0| 1,53| 21,5| 10,9| 1,96| 23,1| 11,1| 2,08| 26,8| 11,6| 2,31
55| 10,5| 8,89| 1,18| 14,4| 9,06| 1,58| 20,1| 10,3| 1,96| 26,5| 12,3| 2,15
SYSCROLL 30

AIR EVO HP

| 2| 7| 12
---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 29,3| 9,40| 3,12| 34,0| 9,80| 3,47| 39,0| 10,1| 3,86
40| 29,5| 10,3| 2,87| 33,8| 10,7| 3,16| 37,8| 10,9| 3,47
45| 29,6| 11,1| 2,67| 33,5| 11,6| 2,89| 36,6| 11,7| 3,13
50| 29,8| 12,0| 2,49| 33,2| 12,5| 2,66| 35,5| 12,5| 2,84
55| 30,0| 12,8| 2,34| 33,0| 13,4| 2,46| 34,3| 13,3| 2,58

Variable flow hydronic systems
Two options of variable water flow

1. Manual flow adjustment
2. Constant delta T

CONSTANT SPEED PUMP – VARIABLE FREQUENCY DRIVE ADJUSTMENT
The unit is equipped with a hydraulic kit driven by a variable frequency drive, without providing continuous modulation of the speed. The water flow is fixed during commissioning. The goal of this alternative is to provide the appropriate flow rate and hydraulic balance, without the need for a mechanical balancing valve, and by taking advantage of the energy consumption optimization of the pump. Water-flow is adjusted through the display.

VARIABLE SPEED PUMP – CONSTANT DIFFERENTIAL TEMPERATURE (DT)
The unit is equipped with a hydraulic kit driven by a variable frequency drive. The modulation of the pump speed is man-aged to ensure that the DT stays constant. Entering and leaving temperatures at the customer water loop will be measured directly by the controller, through the on board temperature probes. A DT setpoint will be present on the unit controller. The option for constant DT is intended to be used with 3-way valves on water systems, or 2-way valves on water system but constant flow at the by-pass. The minimum pump frequency can be adjusted on the inverter.

Pump Available Static Pressure

SYSCROLL 20 AIR EVO HP

SYSCROLL 30 AIR EVO HP

Pump Absorbed power

Water Circuit Pressure Drop

*Water Filter Pressure Drop**

Dimensions SYSCROLL 20-30 AIR EVO

NOTES

• Water inlet ø 1 1/4” MGT
• Water outlet ø 1 1/4” MGT
• Auxiliary lines
• Electrical power supply
• Gauge kit (optional)
• Main switch
• Control keypad/display

Dimensions Hydrokit 20-30 AIR EVO

NOTES

• Water inlet ø 1 1/4” MGT
• Water outlet ø 1 1/4” MGT
• Tank fill ø 1 1/2” MGT
• Water drain ø 3/8” MGT

Space requirements

Systemair srl

• Via XXV Aprile, 29 20825 Barlassina (MB) Italy
• Tel. +39 0362 680 1 Fax +39 0362 680 693
• info@systemair.it

water heat exchanger EWT/LWT → 40°C/45°C, OAT → 7°C db/6°C WB according EN14511 standard.

1. Eurovent LCP/A/AC conditions in cooling mode : water heat exchanger EWT/LWT → 12°C/7°C, OAT → 35°C according EN14511 standard.
2. According to EN14825 standard and following COMMISSION REGULATION (EU) No 2016/2281 for comfort application chillers.
3. According to EN14825 standard – low temperature application (35°C) and following COMMISSION REGULATION (EU) No 813/2013 for heat pumps.
4. According to EN14825 standard – medium temperature application (55°C) and following COMMISSION REGULATION (EU) No 813/2013 for heat pumps.

Model| 20| 30|
---|---|---|---
Weight|
Shipping| kg| 266| 281
Operating| kg| 260| 275
Dimensions
Length| mm| 1.477| 1.477
Width| mm| 539| 539
Height| mm| 1.615| 1.615
Acoustic Data| | |
Sound Power Level| dB(A)| 74| 75
Sound Pressure Level(7)| dB(A)| 43| 44
---|---|---|---

Sound Pressure calculated at 10m. Values refers to ISO Standard 3744 with parallepiped shape.

Electrical Data

• The dimensioning of the unit’s power cables is the responsibility of the installer,
• who shall consider: the rating, the maximum working temperature in the room, the type of insulation and the cable laying, the maximum lenght of the power supply line.

Compressor data|
---|---
SYSCROLL AIR EVO HP| | 20| | | 30
Power supply| V/ph/Hz| | 400 ± ( 10%)/3/50|
Number| | | 1| |
Maximum power input| kW| 11,9| | 14,4
Nominal current input| A| 15,0| | | 20,0
Maximum current input| A| 22,0| | 27,0
Crankcase heater (230±(10%)/1/50)| W| | 40|

Fan data

| | | |
SYSCROLL AIR EVO HP| | 20| | | 30
Power supply| V/ph/Hz| | 230 ± ( 10%)/1/50|
Number| | | 2| |
Maximum power input| kW| | 0,3+0,3|
Nominal current input| A| | 1,3+1,3|

Pump data

| | | |
SYSCROLL AIR EVO HP| | 20| | | 30
Power supply| V/ph/Hz| | 400 ± ( 10%)/3/50|
Number| | | 1| |
Maximum power input| kW| | 0,72|
Nominal current input| A| | 1,3| |

Sound Data

| | | |

Size

| Octave Band (Hz)|

Sound Power Level dB(A)

|

Sound Pressure Level* dB(A)

---|---|---|---
63| 125| 250| 500| 1000| 2000| 4000| 8000
Sound Power Level (dB)
20| 84| 68| 71| 70| 70| 65| 59| 54| 74| 42
30| 86| 69| 72| 71| 70| 66| 59| 56| 75| 43

• Sound pressure level at 10 m. Values refers to ISO Standard 3744 with parallepiped shape.
• Nominal performances* (different speeds) – SYSCROLL 20 AIR EVO HP

Cooling operation

SYSCROLL 20

AIR EVO HP

| 25| 30| 35| 40| 45
---|---|---|---|---|---
PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

LWT (°C)

| 5| 20,0| 5,98| 3,34| 20,0| 7,05| 2,84| 20,0| 7,77| 2,57| 20,0| 9,72| 2,06| 19,4| 11,3| 1,71
7| 20,0| 5,08| 3,94| 20,0| 5,82| 3,44| 20,0| 6,65| 3,01| 20,0| 8,56| 2,34| 20,0| 10,6| 1,89
10| 20,0| 4,10| 4,88| 20,0| 4,83| 4,14| 20,0| 5,93| 3,37| 20,0| 7,55| 2,65| 20,0| 9,49| 2,11
15| 20,0| 3,60| 5,56| 20,0| 4,08| 4,90| 20,0| 4,72| 4,24| 20,0| 5,96| 3,36| 20,0| 7,49| 2,67
18| 20,0| 3,47| 5,76| 20,0| 3,92| 5,10| 20,0| 4,15| 4,82| 20,0| 5,55| 3,60| 20,0| 7,12| 2,81

Heating operation

SYSCROLL 20

AIR EVO HP

| -15| -10| -7| -2
---|---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 12,8| 7,67| 1,67| 16,5| 7,82| 2,11| 19,7| 7,95| 2,48| 20,5| 7,59| 2,69
40| 13,6| 8,36| 1,62| 16,9| 8,50| 1,99| 19,5| 8,61| 2,26| 20,4| 8,61| 2,37
45| 12,3| 8,21| 1,50| 17,3| 9,18| 1,88| 19,3| 9,26| 2,08| 20,4| 8,98| 2,28
50| 9,82| 7,42| 1,32| 14,0| 7,97| 1,75| 16,1| 9,44| 1,71| 20,4| 9,87| 2,07
55| | | | 10,3| 7,28| 1,42| 12,8| 8,32| 1,54| 18,8| 9,47| 1,98

SYSCROLL 20

AIR EVO HP

| 2| 7| 12
---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 20,4| 6,68| 3,06| 20,4| 5,02| 4,06| 20,4| 4,40| 4,65
40| 20,4| 7,35| 2,78| 20,4| 6,09| 3,36| 20,4| 4,97| 4,11
45| 20,4| 8,01| 2,55| 20,4| 6,44| 3,17| 20,4| 5,58| 3,66
50| 20,4| 8,46| 2,42| 20,4| 7,14| 2,86| 20,4| 6,23| 3,28
55| 20,4| 8,85| 2,31| 20,4| 8,41| 2,43| 20,4| 6,93| 2,95

Max performances* (different speeds) – SYSCROLL 20 AIR EVO HP

Cooling operation

SYSCROLL 20

AIR EVO HP

| 25| 30| 35| 40| 45
---|---|---|---|---|---
PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

LWT (°C)

| 5| 25,6| 8,82| 2,90| 24,4| 9,48| 2,57| 23,4| 10,2| 2,30| 21,3| 10,7| 1,98| 19,4| 11,3| 1,71
7| 28,6| 8,95| 3,20| 26,8| 9,6| 2,79| 25,2| 10,3| 2,46| 23,0| 10,9| 2,11| 20,9| 11,6| 1,81
10| 33,1| 9,13| 3,63| 30,5| 9,8| 3,12| 27,9| 10,4| 2,69| 25,6| 11,2| 2,30| 23,3| 11,9| 1,96
15| 40,6| 9,44| 4,30| 36,7| 10,1| 3,64| 32,3| 10,6| 3,04| 30,0| 11,6| 2,60| 27,1| 12,4| 2,19
18| 31,5| 5,93| 5,31| 29,4| 6,51| 4,52| 28,0| 6,61| 4,24| 25,6| 7,86| 3,26| 22,9| 8,62| 2,66

Heating operation

SYSCROLL 20

AIR EVO HP

| -15| -10| -7| -2
---|---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 12,8| 7,67| 1,67| 16,5| 7,82| 2,11| 19,7| 7,95| 2,48| 22,4| 8,05| 2,79
40| 13,6| 8,36| 1,62| 16,9| 8,50| 1,99| 19,5| 8,61| 2,26| 22,3| 8,72| 2,55
45| 12,3| 8,21| 1,50| 17,3| 9,18| 1,88| 19,3| 9,26| 2,08| 22,1| 9,39| 2,36
50| 9,82| 7,42| 1,32| 14,0| 7,97| 1,75| 16,1| 9,44| 1,71| 22,0| 10,1| 2,18
55| | | | 10,3| 7,28| 1,42| 12,8| 8,32| 1,54| 18,8| 9,47| 1,98
SYSCROLL 20

AIR EVO HP

| 2| 7| 12
---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 23,4| 8,05| 2,90| 29,4| 8,37| 3,52| 33,4| 8,48| 3,94
40| 23,8| 8,76| 2,72| 28,5| 9,01| 3,16| 32,1| 9,11| 3,52
45| 24,2| 9,47| 2,56| 27,4| 9,64| 2,84| 30,7| 9,74| 3,16
50| 24,6| 10,2| 2,42| 26,5| 10,3| 2,58| 29,4| 10,4| 2,84
55| 25,1| 10,9| 2,30| 25,5| 10,9| 2,34| 28,1| 11,0| 2,55

Nominal performances* (different speeds) – SYSCROLL 30 AIR EVO HP

Cooling operation

SYSCROLL 30

AIR EVO HP

| 25| 30| 35| 40| 45
---|---|---|---|---|---
PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

LWT (°C)

| 5| 29,0| 7,84| 3,70| 29,0| 9,38| 3,09| 29,0| 10,8| 2,69| 27,1| 12,9| 2,11| 23,0| 11,5| 2,01
7| 29,0| 7,28| 3,98| 29,0| 9,31| 3,11| 29,0| 10,7| 2,71| 29,0| 12,7| 2,28| 24,0| 12,2| 1,97
10| 29,0| 7,13| 4,07| 29,0| 7,69| 3,77| 29,0| 10,1| 2,88| 28,9| 12,1| 2,39| 24,8| 11,2| 2,22
15| 29,0| 5,91| 4,91| 29,0| 6,84| 4,24| 29,0| 7,72| 3,76| 29,0| 10,1| 2,88| 25,5| 9,88| 2,58
18| 29,0| 5,32| 5,45| 29,0| 6,31| 4,60| 29,0| 7,24| 4,01| 29,0| 9,61| 3,02| 25,9| 9,64| 2,69

Heating operation

SYSCROLL 30

AIR EVO HP

| -15| -10| -7| -2
---|---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 17,7| 8,53| 2,07| 21,5| 8,82| 2,43| 24,5| 9,03| 2,71| 26,1| 8,59| 3,04
40| 17,8| 9,20| 1,94| 21,5| 9,52| 2,25| 24,0| 9,72| 2,47| 26,1| 9,57| 2,73
45| 18,0| 9,87| 1,82| 21,5| 10,2| 2,10| 23,6| 10,4| 2,27| 26,1| 10,6| 2,47
50| 15,3| 10,0| 1,53| 21,5| 10,9| 1,96| 23,1| 11,1| 2,08| 26,1| 10,9| 2,40
55| 10,5| 8,89| 1,18| 14,4| 9,06| 1,58| 20,1| 10,3| 1,96| 26,1| 11,8| 2,20
SYSCROLL 30

AIR EVO HP

| 2| 7| 12
---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 26,1| 7,80| 3,35| 26,1| 6,45| 4,05| 26,1| 5,51| 4,74
40| 26,1| 8,59| 3,04| 26,1| 7,46| 3,50| 26,1| 6,20| 4,21
45| 26,1| 9,32| 2,80| 26,1| 8,42| 3,10| 26,1| 6,94| 3,76
50| 26,1| 10,0| 2,61| 26,1| 9,02| 2,89| 26,1| 7,50| 3,48
55| 26,1| 11,8| 2,21| 26,1| 9,85| 2,65| 26,1| 7,68| 3,40

Max performances* (different speeds) – SYSCROLL 30 AIR EVO HP

Cooling operation

SYSCROLL 30

AIR EVO HP

| 25| 30| 35| 40| 45
---|---|---|---|---|---
PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

| PCOOL (kW)| PABS (kW)| EER

kW/kW

LWT (°C)

| 5| 33,6| 10,4| 3,22| 31,9| 11,2| 2,84| 30,3| 12,1| 2,51| 27,1| 12,9| 2,11| 23,0| 11,5| 2,01
7| 35,2| 10,8| 3,25| 33,6| 11,5| 2,91| 31,1| 12,4| 2,51| 29,0| 12,7| 2,28| 24,0| 12,2| 1,97
10| 36,8| 11,0| 3,34| 35,6| 11,9| 3,00| 33,5| 12,8| 2,62| 28,9| 12,1| 2,39| 24,8| 11,2| 2,22
15| 40,1| 11,6| 3,45| 37,9| 12,6| 3,01| 36,2| 13,6| 2,67| 30,5| 11,2| 2,72| 25,5| 9,88| 2,58
18| 42,5| 12,1| 3,52| 39,8| 13,0| 3,05| 35,9| 13,0| 2,76| 31,1| 11,3| 2,75| 25,9| 9,64| 2,69

Heating operation

SYSCROLL 30

AIR EVO HP

| -15| -10| -7| -2
---|---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 17,7| 8,53| 2,07| 21,5| 8,82| 2,43| 24,5| 9,03| 2,71| 27,5| 9,27| 2,97
40| 17,8| 9,20| 1,94| 21,5| 9,52| 2,25| 24,0| 9,72| 2,47| 27,3| 10,0| 2,72
45| 18,0| 9,87| 1,82| 21,5| 10,2| 2,10| 23,6| 10,4| 2,27| 27,0| 10,8| 2,50
50| 15,3| 10,0| 1,53| 21,5| 10,9| 1,96| 23,1| 11,1| 2,08| 26,8| 11,6| 2,31
55| 10,5| 8,89| 1,18| 14,4| 9,06| 1,58| 20,1| 10,3| 1,96| 26,5| 12,3| 2,15
SYSCROLL 30

AIR EVO HP

| 2| 7| 12
---|---|---|---
PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

| PHEAT (kW)| PABS (kW)| COP

kW/kW

LWT (°C)

| 35| 29,3| 9,40| 3,12| 34,0| 9,80| 3,47| 39,0| 10,1| 3,86
40| 29,5| 10,3| 2,87| 33,8| 10,7| 3,16| 37,8| 10,9| 3,47
45| 29,6| 11,1| 2,67| 33,5| 11,6| 2,89| 36,6| 11,7| 3,13
50| 29,8| 12,0| 2,49| 33,2| 12,5| 2,66| 35,5| 12,5| 2,84
55| 30,0| 12,8| 2,34| 33,0| 13,4| 2,46| 34,3| 13,3| 2,58

Variable flow hydronic systems
Two options of variable water flow

1. Manual flow adjustment
2. Constant delta T

CONSTANT SPEED PUMP – VARIABLE FREQUENCY DRIVE ADJUSTMENT
The unit is equipped with a hydraulic kit driven by a variable frequency drive, without providing continuous modulation of the speed. The water flow is fixed during commissioning. The goal of this alternative is to provide the appropriate flow rate and hydraulic balance, without the need for a mechanical balancing valve, and by taking advantage of the energy consumption optimization of the pump. Water-flow is adjusted through the display.

VARIABLE SPEED PUMP – CONSTANT DIFFERENTIAL TEMPERATURE (DT)
The unit is equipped with a hydraulic kit driven by a variable frequency drive. The modulation of the pump speed is man-aged to ensure that the DT stays constant. Entering and leaving temperatures at the customer water loop will be measured directly by the controller, through the on board temperature probes. A DT setpoint will be present on the unit controller. The option for constant DT is intended to be used with 3-way valves on water systems, or 2-way valves on water system but constant flow at the by-pass. The minimum pump frequency can be adjusted on the inverter.

Pump Available Static Pressure

SYSCROLL 20 AIR EVO HP

SYSCROLL 30 AIR EVO HP

Pump Absorbed power

Water Circuit Pressure Drop

*Water Filter Pressure Drop**

Dimensions SYSCROLL 20-30 AIR EVO

NOTES

• Water inlet ø 1 1/4” MGT
• Water outlet ø 1 1/4” MGT
• Auxiliary lines
• Electrical power supply
• Gauge kit (optional)
• Main switch
• Control keypad/display

Dimensions Hydrokit 20-30 AIR EVO

NOTES

• Water inlet ø 1 1/4” MGT
• Water outlet ø 1 1/4” MGT
• Tank fill ø 1 1/2” MGT
• Water drain ø 3/8” MGT

Space requirements

Systemair srl

• Via XXV Aprile, 29 20825 Barlassina (MB) Italy
• Tel. +39 0362 680 1 Fax +39 0362 680 693
• info@systemair.it

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