Daewoo DWB-180RH-R, Service Manual

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17
Auto Swing
(1) When you push this button, in remocon the left/right flap move to the position of keeping the room temperature
comiortable.
(2) The air discharge direction procedure is below.
Auto swing Fixed
DE-ICE OPERATION
Self-Diagnostic Function
The control will contain diagnostic test to verify the integrity of the system.
(1)Error Code Display
ERROR CODE
88 LED DISPLAY ERROR CONTENTS
1
• Room air thermistor open.
• Heat exchanger thermister open
2
• Room air thermister short
• Heat exchanger thermister short
Entering de-ice operation(to turn cooling cycle).
1. The micro-computer chip is check the temperature of condensor, After 50 minutes since the units starts on heating mode.
2. If the Temperature is below -4˚C, the De-ice function will start.
3. Now, the unit turned to cooling operation but fan motor is off.
Back to heat mode.
1. On the de-ice operation if the temperature is going over 15˚C.
2. Or 15minutes passed on the de-ice operation.
3. Now the unit turned to heating mode.
Remark: This de-ice operation is always repeat in heating mode when satisfying of the condition to enter the de-ice
operation.
ON
Time
50minutes 15minutes
Sensing
Temperature
Compressor
(Heater sump)
Fan motor
(Reversing valve)
(Lamp)
ON
(-4¡C) (15¡C)
ON
OFF
In normal operation, there is a time delay of three minutes between turn off and turning back on including
initial power up. (but when the unit resets the time delay is 30 seconds)
3min. Time Delay of Compressor