Features & Operation
76
Defrost operation is controlled by sensing the temperature of outdoor unit’s heat exchanger
and temperature of outdoor and accumulating time of compressor operation.
◆ How to sense defrost conditions
A
condition
Outdoor heat exchanger operates under L1 line for over 120Mminutes.
B condition
When operating time of compressor without stopping for over 35minutes.
C condition
Outdoor heat exchanger operates under L2 line for over 3minutes
◆ Defrost operation conditions
A condition
B
✕
C condition
◆ Defrost absolution conditions
- If the temperature of outdoor heat exchanger is over 20ºC.
- When defrost operation time is over 12 minutes.
◆ Operating pattern
Detrost Control in heatmode
8
00150A(2)-54~98 2/5/01 11:53 AM Page 76
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