Daewoo DSB-181LH Service Manual - Cooling Airflow Prevention

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Cooling Airflow Prevention

When the indoor coil temperature is lower than 30°C, Microcomputer of the unit stops indoor fan to prevent cooling

airflow.

Heating Airflow Prevention

When the indoor coil temperature is higher than 65°C, Microcomputer of the unit stops the compressor to prevent it

from overheating. In the funcfion of HEATING AIRFLOW PREVENTION, when pressing FAN SPEED button,

Remote controller received the signal, but the unit don’t operate.

After resetting the function of HEATING AIRFLOW PREVENTION, the unit operate by receiving the signal.

Defrost Airflow Prevention

In HEAT mode, the defrost is performed in the following conditions

–When the outdoor coil temperature is less than or equal to -5°C

–The compressor run time is greater than 50 minutes.

(2) Heating Condition (Room Temperature     22°C)

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Fan Speed: Super high speed

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Air discharge direction: Fixed

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Set temperature: 32°C (Fixed)

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Operation Mode: Heating Mode

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Compressor and Outdoor Fan

-1

OFF

ON

(Room temperature-32˚C)

0

1

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