inventor PFUVI-09WFI-PFUVO-09 Air Conditioning Multi Split System Installation Guide

: June 12, 2024
: inventor

Table of Contents

PFUVI-09WFI-PFUVO-09 Air Conditioning Multi Split System
Product Information
Product Usage Instructions
WARNING
UV-C Lamp
UV Emitter
Maintenance Notice

PFUVI-09WFI-PFUVO-09 Air Conditioning Multi Split System

Product Information

The product is an air conditioning system that belongs to the
multi-split system category. It is available in various models:

PFUVI-09WFI/PFUVO-09
PFUVI-12WFI/PFUVO-12
PFUVI-18WFI/PFUVO-18
PFUVI-24WFI/PFUVO-24

The user manual provides information on operation and
maintenance, safety precautions, notices for usage, names of each
part, cleaning and care, troubleshooting, installation service,
notices for installation, installation for indoor unit,
installation for outdoor unit, check after installation and test
operation, and maintenance notice.

Product Usage Instructions

WARNING

This air conditioner uses R32 flammable refrigerant. It is
important to handle the air conditioner with caution to prevent
harm to the human body or surrounding objects. Follow these
precautions:

The room space for installation, use, repair, and storage of
this air conditioner should be greater than 5 units.
The air conditioner refrigerant should not be charged more than
1.7kg.
Do not use means to accelerate defrosting or cleaning, other
than those recommended by the manufacturer.
Avoid piercing or burning the air conditioner and check the
refrigerant pipeline for any damage.
The appliance should be stored in a room without continuously
operating ignition sources such as open flames, operating gas
appliances, or operating electric heaters.
Note that the refrigerant may be tasteless.
The storage of the air conditioner should prevent mechanical
damage caused by accidents.
Maintenance or repair of air conditioners using R32 refrigerant
must be carried out after a security check to minimize the risk of
incidents.
The air conditioner must be installed with a stop valve
cover.
Please read the instructions carefully before installing,
using, and maintaining the air conditioner.

UV-C Lamp

The appliance contains a UV-C lamp. Follow these
instructions:

Do not operate UV-C lamps outside of the appliance.
Do not operate obviously damaged appliances.
Unintended use of the appliance or damage to the housing may
result in the escape of dangerous UV-C radiation. Even in small
doses, UV-C radiation may cause harm to the eyes and skin.
Before opening doors and access panels bearing the ULTRAVIOLET
RADIATION hazard symbol for conducting USER MAINTENANCE, it is
recommended to disconnect the power.
The UV-C lamp cannot be cleaned, repaired, or replaced.
Do not remove UV-C barriers bearing the ULTRAVIOLET RADIATION
hazard symbol.

UV Emitter

This appliance contains a UV emitter. Do not stare at the light
source.

Maintenance Notice

The system requires a specific process for welding the pipeline.
Follow these steps:

Through the blowing process, charge the system into anaerobic
nitrogen to reach the working pressure under the vacuum state.
Emit oxygen-free nitrogen to the atmosphere.
Vacuumize the system.
Repeat the above steps until all refrigerants in the system are
cleared.
After the final charging of anaerobic nitrogen, discharge the
gas into atmospheric pressure.
Weld the system.

AIR CONDITIONING SYSTEMS
MULTI SPLIT SYSTEM
· USER’S & INSTALLATION MANUAL · & E

ENGLISH |

MODELS:
PFUVI-09WFI/PFUVO-09 PFUVI-12WFI/PFUVO-12 PFUVI-18WFI/PFUVO-18 PFUVI- 24WFI/PFUVO-24
1

CONTENTS

Operation and maintenance

Warning

3

Safety Precautions

4

Notices for usage

9

Names of each part

11

Clean and care

12

Troubleshooting

Installation service

Notices for installation

16

Installation for indoor unit

20

Installation for outdoor unit

23

Check after installation and test operation

26

Maintenance Notice

27

Note: All the illustrations in this manual are for explanation purpose only. Your air conditioner may be slightly different. The actual shape shall prevail.They are subject to change without notice for future improuement.
2

WARNING
WARNING: This air conditioner uses R32 flammable refrigerant.
Notes: Air conditioner with R32 refrigerant, if roughly treated, may cause serious harm to the human body or surrounding things.

The room space for the installation, use, repair, and storage of this air conditioner should be greater than 5 .
Air conditioner refrigerant can not charge more than 1.7kg. Do not use means to accelerate the defrosting process or to clean, other than those
recommended by the manufacturer. Not pierce or burn air conditioner, and check the refrigerant pipeline wether be
damaged. The appliance shall be stored in a room without continuously operating ignition sources
(forexample: open flames, an operating gas appliance or an operating electric heater. Notice that the refrigerant may be tasteless. The storage of air conditioner should be able to prevent mechanical damage caused
by accident. Maintenance or repair of air conditioners using R32 refrigerant must be carried out
after security check to minimize risk of incidents. Air conditioner must be installed with stop valve cover. Please read the instruction carefully before installing, using and maintaining.
3

4

5

6

Ensure none of the following objects are located under the indoor unit:
7

8

9

UV-C lamp
This appliance contains a UV-C lamp. Read the maintenance instructions before opening the appliance. 1. Do not operate UV-C lamps outside of the appliance. 2. Appliances that are obviously damaged must not be operated. 3. Unintended use of the appliance or damage to the housing may result in the escape of dangerous UV-C
radiation. UV-C radiation may, even in small doses, cause harm to the eyes and skin. 4. Before opening doors and access panels bearing the ULTRAVIOLET RADIATION hazard symbol for the
conducting USER MAINTENANCE, it is recommended to disconnect the power. 5. The UV-C lamp cannot be cleaned, repaired and replaced. 6. UV-C BARRIERS bearing the ULTRAVIOLET RADIATION hazard symbol should not be removed.
WARNING
This appliance contains an UV emitter. Do not stare at the light source.
10

11

12

13

14

15

16

17

18

19

20

21

22

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23

24

25

26

27

28

29

Maintenance Notice
3.Through blowing process, the system is charged into the anaerobic nitrogen to reach the working pressure under the vacuum state, then the oxygen free nitrogen is emitted to the atmosphere, and in the end, vacuumize the system. Repeat this process until all refrigerants in the system is cleared. After the final charging of the anaerobic nitrogen, discharge the gas into the atmosphere pressure, and then the system can be welded. This operation is necessary for welding the pipeline.
Procedures of Charging Refrigerants
As a supplement to the general procedure, the following requirements need to be added: – Make sure that there is no contamination among different refrigerants when using a
refrigerant charging device. The pipeline for charging refrigerants should be as short as possible to reduce the residual of refrigerants in it. – Storage tanks should remain vertically up. – Make sure the grounding solutions are already taken before the refrigeration system is charged with refrigerants. – After finishing the charging (or when it is not yet finished), label the mark on the system. – Be careful not to overcharge refrigerants.
Scrap and Recovery
Scrap: Before this procedure, the technical personnel shall be thoroughly familiar with the equipment and all its features, and make a recommended practice for refrigerant safe recovery. For recycling the refrigerant, shall analyze the refrigerant and oil samples before operation. Ensure the required power before the test. 1.Be familiar with the equipment and operation. 2.Disconnect power supply. 3.Before carrying out this process, you have to make sure:
, mechanical equipment operation should facilitate the operation of the refrigerant tank.
fective and can be used correctly.
personnel.
national standards. 4. 5.
the system from many places. 6.Before the start of the recovery, you should ensure that the capacity of the storage
tank is sufficient. 7.
30

Maintenance Notice
8.Don’t fill the tank to its full capacity (the liquid injection volume does not exceed 80% of the tank volume).
9.Even the duration is short, it must not exceed the maximum working pressure of the tank.
10.After the completion of the tank filling and the end of the operation process, you should make sure that the tanks and equipment should be removed quickly and all closing valves in the equipment are closed.
11.The recovered refrigerants are not allowed to be injected into another system before being purified and tested.
Note: The identification should be made after the appliance is scrapped and refrigerants are evacuated. The identification should contain the date and endorsement. Make sure the identification on the appliance can reflect the flammable refrigerants contained in this appliance. Recovery: 1.The clearance of refrigerants in the system is required when repairing or scrapping the
appliance. It is recommended to completely remove the refrigerant. 2.Only a special refrigerant tank can be used when loading the refrigerant into the
storage tank. Make sure the capacity of the tank is appropriate to the refrigerant injection quantity in the entire system. All tanks intended to be used for the recovery of refrigerants should have a refrigerant identification (i.e. refrigerant recovery tank). Storage tanks should be equipped with pressure relief valves and globe valves and they should be in a good condition. If possible, empty tanks should be evacuated and maintained at room temperature before use. 3.The recovery equipment should be kept in a good working condition and equipped with equipment operating instructions for easy access. The equipment should be suitable for the recovery of R32 refrigerants. Besides, there should be a qualified weighting apparatus which can be normally used. The hose should be linked with detachable connection joint of zero leakage rate and be kept in a good condition. Before using the recovery equipment, check if it is in a good condition and if it gets perfect maintenance. Check if ll electrical components are sealed to prevent the leakage of the refrigerant and the fire caused by it. If you have any question, please consult the manufacturer. 4.The recovered refrigerant shall be loaded in the appropriate storage tanks, attached with a transporting instruction, and returned to the refrigerant manufacturer. Don’t mix refrigerant in recovery equipment, especially a storage tank. 5.The space loading R32 refrigeration can’t be enclosed in the process of transportation. Take anti electrostatic measures if necessary in transportation. In the process of transport, loading and unloading, necessary protective measures must be taken to protect the air conditioner to ensure that the air conditioner is not damaged. 6.When removing the compressor or clearing the compressor oil, make sure the compressor is pumped to an appropriate level to ensure that there is no residual R32 refrigerants in the lubricating oil. The vacuum pumping should be carried out before the compressor is returned to the supplier. Ensure the safety when discharging oil from the system.
31

All the pictures in the manual are for explanatory purposes only. The actual shape of the unit you purchased may be slightly different, but the operations and functions are the same. The company may not be held responsible for any misprinted information. The design and the specifications of the product for reasons, such as product improvement, are subject to change without any prior notice. Please consult with the manufacturer at +30 211 300 3300 or with the Local Distributor for further details.
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Inventor!

AIR CONDITIONING SYSTEMS
MULTI SPLIT SYSTEM
V:1.0.012023 Please check the applicable models, F-GAS and manufacturer information from the “Owner’s Manual – Product Fiche” in the packaging of the outdoor unit. (European Union products only).
Manufacturer: INVENTOR A.G. S.A.
24th km National Road Athens – Lamia & 2 Thoukididou Str., Ag.Stefanos, 14565 Tel.: +30 211 300 3300, Fax: +30 211 300 3333 – www.inventor.ac