33 SERVICE MANUAL FOR AMERICA
speed
Heating
speed
1300
1150
950
DC Inverter 1:2
PG motor speed:
12000BTU
:
mode
higher
high
middle
low
lower
Cooling
speed
1250
1200
950
850
850
Heating
speed
1250
1200
950
850
750
9000BTU
:
mode
higher
high
middle
low
lower
Cooling
speed
1250
1150
950
750
750
Heating
speed
1250
1150
950
750
750
四、operating mode
Air conditioner have four operating mode: auto, cooling, dehumidify, heating.
1.Cooling(ΔT=Troom temp.-Tset temp.)
range of set temp. 60
O
F~90
O
F;
compressor running as below figure:
compressor
on
CONT 5 MIN
off
-2
O
F
+2
O
F
ΔT
It require outdoor unit to reduce power if indoor room temp. continuous less than set
temp. for 5 minutes.
Air blow function:indoor blower fan continuous running 20 seconds at low speed after
air conditioner turn off in cooling mode. if the flap is swing, shutdown the flap after
turn off indoor blower fan.
Indoor blower fan can select one of four speed.
Fan speed is determined by the difference of room temp. and set temp. in auto wind.
speed
high
middle
low
2
O
F
5
O
F
9
O
F
ΔT
It have anti freeze protection of indoor coil ,fan motor fault protection, sensor
fault protection, unit abnormal protection in cooling mode.
2.Dehumidify:(ΔT=Troom temp.-Tset temp.)
range of set temp.: default is 77
O
F and it can’t change.
The indoor blower fan is running at low speed for thirty seconds after air conditioner
shutdown in dehumidify mode.