Daewoo DSB-075L Service Manual page 25

(c) For any case leading to frost, if A/C defrosts for 7.5 minutes three times, the forth defrosting time is
10 minutes.
→7.5-minute defrost → 7.5-minute defrost→7.5-minute defrost→10-minute defrost→
7.10 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
7.11 Defrosting Actions:
7.12 utomatic operation mode
7.12.1 The air conditioner automatically selects one of the following operation modes: cooling, heating or fan
only according to the temp. difference between room temp. (TA) and set temp. (TS).
TA—TS
TA—TS>2℃
-1 ≤TA ℃ -TS≤+2℃
TA-TS<-1℃
7.12.2 The indoor fan blows automatically in corresponding selected mode.
7.12.3 The motion of indoor fan's blade should accord with the selected operation mode.
7.12.4 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 when the set temp. varies.
7.13 orced cooling function
7.13.1 Select forced cooling function with the forced cooling button or the switch.
7.13.2 The compressor is unconditionally turned on, after 30 minutes cooling operation whose fan mode is
set as low, the A/C operates at the DRY mode with a set temp. of 24℃.
7.13.3 All protections of remote control cooling are available at forced cooling operation.
Compressor
4-way Valve
40S
Outdoor Fan
Indoor Fan
10S
Operation mode
Cooling
Fan-only
Heating (air-only for cooling only type)
or above, I
DEFROST
Defrost 10or 6minutes
45S
24
differs in different models.
DEROST
25S
23S