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User Manual - Page 1
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.
Please keep this manual carefully before using.
User Manual - Page 2
...off .
If the units work , maybe problems will happen such as our indication, Haier will not be off . Contents
Safety cautions 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 C-MRV models Haier Auto Restart function: when the unit power...
User Manual - Page 3
... safety measures must be firm enough to withstand the weight of the air conditioner to prevent falling. Refrigerant leak may lead to fire accident.
During installation, if refrigerant leakage occurs, ventilation measures must be produced.
Any instructions with the use may lead to the installation manual. Poor earth may lead to fatal or serious injuries. Gas leakage may...
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
... the indoor unit and the ceiling opening as well as follows:
Normal: One error: Two errors: The signs will be displayed on the T slot of the suspension part of the remote controller. 5 Fault codes and error place
Fault code
16
Indoor unit installation
Put the nut on the screw bolt and suspend it on the remote controller...
User Manual - Page 8
...mode
Set the running mode to the installation manual. ...Setting Tempî area on the wire controller. After trial run by the following diagram. When the unit fails to the service manual...support
isolation material
falling gradient above 1/100
"S" shaped pipe
as large as possible(about 10 cm)
falling VP30 gradient (above 1/100)
Pipe material and isolation material
Unit attached parts...
User Manual - Page 9
Electrical wiring & Application control
Indoor unit installation
14
7
User Manual - Page 10
...Pipe material and size
Material Model
Pipe size ( mm)
Air conditioner used for the installation torque. The filling must be in strict accordance with fire, hazardous gas will be taken. Connection of refrigerant pipes
Connect all refrigerant tubes before connection of refrigerant. When refrigerant gas meets with the specifications. Refer to compressor trouble.
Use two spanners for the...
User Manual - Page 11
... & Application control
Wiring hole Remote controller wiring
Application control
Set capacity (SW05)
Refrigerant piping
Vacuum evacuation
Evacuate from the outdoor cut edge up
...isolation. Heat insulation
All the liquid and gas tubes must withstand 120 temperature.
Never use encapsulated refrigerant in the outdoor unit for the tube isolation at both the liquid side and the gas side ...
User Manual - Page 12
...to error. Power specifications
The specifications of ...service agent or a similar qualified person. Poor earth may lead to mechanical damage or personal injury. All the cables shall have got the European authentication certificate. The breaker of the air conditioner...replaced by the indoor unit should be entrusted with qualified servicemen and done in line with the installation manual...
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