Premium PIA18065B Service Manual
Service manual
34
At condition
②, the defrosting time is 10 minutes.
After three times continuous 7.5-minute defrost, the fourth defrost time should be 10 minutes.
The circulation is as following:
7.5 minutes
defrost
7.5 minutes
defrost
7.5 minutes
defrost
7.5 minutes
defrost
8.8.4 Ending condition of defrosting
If one of following conditions is satisfied, end the defrost and turn into heating mode:
A. The defrost time has reached to 7.5 or 10 minutes.
B. The compressor current has reached to I
DEFROST
or above, I
DEROST
differs in different models
8.8.5 Defrosting Actions
Compressor
Outdoor fan
4-way valve
Indoor fan
Defrost 10 or 6 minutes
25s
5s
10s
2s
8.9
Auto mode
8.9.1
The air conditioner automatically selects one of the following operation modes: cooling, heating
or fan only according to the temp
erature
d
ifference between room temp
erature
(TA) and set temp
erature
(TS)
.
-1
TA-TS
2
Heating (fan only at cooling only)
Fan only
Cooling
8.9.2 The indoor fan blows automatically in corresponding selected mode
8.9.3 The motion of indoor fan’s blade should accord with the selected operation mode
8.9.4 One mode should be carried out for at least 15 minutes once selected. If the compressor cannot
start for 15 minutes, reselect the operation mode according to the room temp. and set temp., or reselect