Sleep Mode; Emergency Operation - Daewoo DSB-092A Service Manual

Sleep Mode

(1) When you are going to sleep, select sleep switch and the unit controls the room to the desired temperature.
(The unit will not operate after 4 hour)
(2) For changing the temperature.
DT
+0.5°C
0
(3) To cancel sleep mode, press the SLEEP button again or press the MODE button once.: the SLEEP
indicator will disappear in the display.

Emergency Operation

(1) When the remote controller is lost, damaged or the battery is discharged, the Emergency operation can be
used to run the unit.
(2) The setting conditions of Emergency operation are as follows.
• Operation mode: Quick
• Preset temperature:18°C: Cooling, 32°C: Heating)
• Fan speed: High
You cannot operate with remote controller.
Frost Prevention of Indoor Unit
When the unit operates at low ambient temperature, frost may appear on the Evaporator. When the indoor coil
temperature is lower than 0°C at the end of 10 minutes of continuous compressor operation from the start, the
microcomputer of the unit stops the compressor to protect the unit from the frost. The control procedure for
indoor coil freeze protection.
1) The compressor and outdoor fan turn off.
2) Indoor fan operates according to user set speed.
3) The normal operation returns when the indoor coil
temperature is higher than 7°C or equal to 7°C.
+0.5°C
+0.5°C
0.5 1.0 HOUR
(COOLING CYCLE)
DT
–0.5°C
0
(HEATING CYCLE)
Compressor and
ON
Outdoor Fan
Indoor Fan
(Indoor coil temperature)
35
–0.5°C
–0.5°C
0.5 1.0 HOUR
ON
OFF
-1°C +7°C
Set speed