Service manual


GB
DC Inverter 1:2 PG motor speed:
12000BTU
Mode Higher High Middle Lo� Lo�er
Cooling Speed 1250 1200 950 850 850
Heating Speed 1250 1200 950 850 750
9000BTU
Mode Higher High Middle Lo� Lo�er
Cooling Speed 1250 1150 950 750 750
Heating Speed 1250 1150 950 750 750
Operating mode
Air conditioner have four operating mode: auto, cooling, dehumidify, heating.
1.Cooling(∆T = T
room temp.
-∆T
set temp
)
Range Of Set Temp. 60
O
F-90
o
F
Compressor running as belo� figure:
compressor
on
CONT 5 MIN
off
-2
O
F +2
O
F ∆T
It require outdoor unit to reduce po�er if indoor room temp. continuous less than set
temp. for 5 minutes.
Air blo� function indoor blo�er fan continuous running 20 seconds at lo� speed
after air conditioner turn off in cooling mode. if the flap is s�ing, shutdo�n the flap
after turn off indoor blo�er fan.
Indoor blo�er fan can select one of four speed.
Fan speed is determined by the difference of room temp. and set temp. in auto �ind.
speed
high
middle
lo�
2
O
F 5
O
F 9
O
F ∆T
It have anti freeze protection of indoor coil ,fan motor fault protection, sensor fault
protection, unit abnormal protection in cooling mode.
2.Dehumidify(∆T = T
room temp.
-∆T
set temp
)
Range of set temp.: default is 77
O
F and it can’t change.
The indoor blo�er fan is running at lo� speed for thirty seconds after air conditioner
shutdo�n in dehumidify mode.
The indoor blo�er fan is running at lo� speed and it can’t change.
Air conditioner haven’t turbo and economic function in dehumidify mode.
Flap position: flap at 85 degree position and it can’t change.
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