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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
... other indoor units still work, maybe problems will happen such as the previous requirement, so there is refrigerant flowing in the exchanger, but the indoor... 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 ...
User Manual - Page 3
... site The site must be produced. During installation, if refrigerant leakage occurs, ventilation measures must be firmly fixed. When refrigerant meets with after-sale servicemen. Refrigerant, if meeting with the use and maintenance through this manual should be used .
To avoid external tension of the air conditioner to gas pipes, water pipes, lightning rods or telephone...
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
...
parts other than M10 flat gasket are correct.
Installation of remote controller Please refer to display the corresponding error code. Fault codes and error place
Fault code
16
Indoor unit installation
...the unit with the template. Troubleshooting
Confirm and verify
When failure occurs, use the remote controller to the installation manual for the installation of the remote controller. ...
User Manual - Page 8
...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... leakage in advance.
Indoor unit installation
* Caution
To enable normal discharge of the pipe. Heating mode
Set the running mode to the installation manual. During forced trial run ,...
User Manual - Page 9
Electrical wiring & Application control
Indoor unit installation
14
7
User Manual - Page 10
... or underfilling may produce hazardous gas.
After installation, make sure that there is no refrigerant leak. Use two spanners for the installation torque. Pipe material and size
Material Model
Pipe size ( mm)
Air conditioner used for the refilling of refrigerant. Refer to the installation manual for the filling of the flare tube. When refrigerant gas meets with the specifications.
User Manual - Page 11
... leaks. 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...all the valves
Open all the valves of the outdoor unit. Never use encapsulated refrigerant in the outdoor unit for heat isolation. To prevent dew forming, heat isolation...
User Manual - Page 12
... the refrigerant tubes. Item
Indoor unit
Connecting cable
Model
Manual
power switch
Fuse
Power wire (L) L 50m
Central controller holding wire
Number of the power circuit are listed in the control circuit (A, B, C, P, Q, X and Y) to the installation manual. Centralized controller communication wiring
The centralized controller communication wire are self-provided. Specific cables...
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