Defrost Control - Samsung AS12SGGE Training Manual

Details for Operation Property

6-2-9. Defrost control

Defrost operation is controlled by sensing the temperature of indoor heat exchanger
How to sense defrost conditions
A condition
The temperature of indoor heat exchanger is checked in intervals of 1 minute. In case the temperature of indoor heat exchanger drops more
than 0.5°C for 6 minutes, it is considered as one cycle. If it happens 3 times continuously, It is said that " A condition" is satisfied.
B condition
If the temperature of indoor heat exchanger is below about 40±3°C when the compressor is on, it is considered as defrost "B condition"
C condition
When the accumulating time of compressor ON is over 20 minutes.
D condition
When the accumulating time of compressor ON is over 3Hr.
E condition
When operating time of compressor without stopping is over 6 minutes.
F condition
If the compressor is off(thermo off) when the temperature of indoor heat exchanger is below about 46°C, it is considered as one cycle.
If it happens 2 times continuously, It is said that "F condition" is satisfied.
G condition
When the accumulating time of compressor ON is over 90 minutes.
Defrost operation conditions
A B C condition or
B D E condition
F G condition
Defrost time : 5~8 minutes
(Cont.)
FEATURES & OPERATION
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