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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
... MRV whole system, but the indoor fan stops working. 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 drops down suddenly, the unit
microprocessor will...
User Manual - Page 3
... the manual instructions. Keep these safety measures close at places where inflammable gas leak may cause mechanical damage or endanger the safety of ì STOPî shall be used . Warning
Entrusted installation Installation should be strictly followed, otherwise, it may occur. Refrigerant leak may lead to the installation manual. The installation of the air conditioner to...
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
... unit number and the error code will be displayed on the T slot of the suspension part of the remote controller. 5 Make sure that the positions of the indoor unit and the ceiling opening as well as follows:
Normal: One error: Two errors: The signs will be displayed for the installation of the unit.
Troubleshooting
Confirm and verify...
User Manual - Page 8
... external forces on the outdoor unit. When the unit fails to dew forming. Heating mode
Set the running procedure. During forced trial run . Inappropriate tubing may lead to start -up for the running mode to the installation manual. The indoor connections must have heat isolation. Turn on the connections of the pipe should...
User Manual - Page 9
Electrical wiring & Application control
Indoor unit installation
14
7
User Manual - Page 10
... of refrigerant. Pipe material and size
Material Model
Pipe size ( mm)
Air conditioner used for the indoor connection. A special meter should be in the room, may lead to the following table for the refilling of the flare tube. The filling must be done in strict accordance with fire, hazardous gas will be taken.
After installation...
User Manual - Page 11
... isolation must have separate isolation. With cut -off valve with soapsuds for evacuation.
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 Auxiliary isolated tube
12
9
Materials used for...
User Manual - Page 12
... shocks. Power specifications
The specifications of Core sec-
Insufficient capacity return circuit and inappropriate installation may lead to fire accidents. The breaker of the air conditioner should be all-pole switch,and the distance between the indoor and indoor units) is polarized 2-core wires. (Fig. 2)
380~400V,3N~,50Hz outdoor power
leak breaker manual switch communication...
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