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User Manual - Page 1
Please keep this manual carefully before using. MRV Intelligent Network Cassette Type Air Conditioner Indoor Unit
INSTALLATION MANUAL
AB072FDAHA AB092FDAHA AB122FDAHA AB162FDAHA AB182FDAHA AB242FDAHA AB282FDAHA
AB072FDBHA AB092FDBHA AB122FDBHA AB162FDBHA AB182FDBHA AB242FDBHA AB282FDBHA
No.0010570459 B
Please read this manual carefully and safely.
User Manual - Page 2
...1 Indoor unit installation 2-7 Refrigerant piping 8-9 Electrical wiring & Application control 10-14 Trial operation 15 Troubleshooting 16-17 Panel installation 18-21
Caution
Auto Restart function for any problem resulting from this memory.
when making installation, please make sure when the power is our design basically on Auto Restart function currently. Haier, Herewith, solemnly...
User Manual - Page 3
Any instructions with heaters and stoves, etc in the room, may lead to water leakage in the room.
20
1
If the air conditioner is no refrigerant leakage.
Installation site The site must be made to ensure normal operation. After installation, make sure to have sound safety measures to avoid anoxia accidents.
Gas leakage may cause mechanical damage...
User Manual - Page 4
Indoor unit installation
2
19
User Manual - Page 5
Indoor unit installation
18
3
User Manual - Page 6
...installation
4
Troubleshooting
Fault codes and reason
Fault code...power pressure and overload of refrigerant circulation
High presure switch circuit, including high pressure switch and overload of refrigerant circulation
b5 Running continues ...
98
Running continues
Center controlled address setting, including address setting (SW02), central remote controller and indoor PC board
Stops ...
User Manual - Page 7
...; will appear, and the unit number and the error code will be displayed on the T slot of the suspension part of the unit.
Make sure that the positions of...unit.
Installation of remote controller Please refer to display the corresponding error code.
Troubleshooting
Confirm and verify
When failure occurs, use the remote controller to the installation manual for the installation of...
User Manual - Page 8
...parts: Pipe material
Isolation material
Hard PVC pipe 31.5mm (inner diameter) Foam polyethylene thickness above 1/100) and should be made into an ì Sî form, otherwise, it will produce noises. When the unit fails to start -up for heat isolation. Heating mode
Set the running mode to the service manual... be set up , it is installed according to the installation manual. The...
User Manual - Page 9
Electrical wiring & Application control
Indoor unit installation
14
7
User Manual - Page 10
...hazardous gas will be taken. Refer to compressor trouble.
Refer to the installation manual for the filling of the flare tube. When refrigerant gas meets with the specifications. Pipe material and size
Material Model
Pipe size ( mm)
Air conditioner used for the refilling of refrigerant. After installation, make sure that there is no refrigerant leak. The filling must be produced.
User Manual - Page 11
Never use encapsulated refrigerant in the outdoor unit for heat isolation.
Check the gas leaking
Check...gas tubes must withstand 120 temperature.
Electrical wiring & Application control
Wiring hole Remote controller wiring
Application control
Set capacity (SW05)
Refrigerant piping
Vacuum evacuation
Evacuate from the outdoor cut edge up
(Attached diagram)
Indoor unit
Field tubing side...
User Manual - Page 12
... with the installation manual. The grouped wire controller wire (between its service agent or ....
Power specifications
The specifications of the air conditioner should be replaced by the...Specific cables should use the same power. The power cable and connecting cable are listed in the control circuit (A, B, C, P, Q, X and Y) to the block terminal, and fixed with the refrigerant...
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