(Not defrosted for 10 minutes)
Outdoor fan : OFF
Compressor speed : 0 rps
EEV :
AO*A72LALT : 480 or 500 pls
AO*A90LALT : 350 pls
4-way valve : OFF
Outdoor fan : OFF
Compressor speed
AO*A72LALT : 70~95rps
AO*A90LALT : 100rps
Heating operation start : Compressor ON
Compressor operation time has passed 15~20min.
or
High pressure sensor detects above 2.09MPaG.
Defrost end
01-17
Defrost start
3. Defrost Flow Chart
The defrosting shall proceed by the integrating operation time
and outdoor heat exchanger emperature as follows.
Compressor integrating
operation:
Over 22 minutes to
below 62 minutes
Outdoor
heat exchanger
temperature:
Below - 9°C
Compressor integrating
operation:
Over 35 minutes
Compressor
OFF count :
40 times
Outdoor
heat exchanger
temperature:
Below - 5°C
Compressor integrating
operation:
Over 105 minutes
Outdoor
heat exchanger
temperature:
Below - 1°C
(In case of 1st defrost)
(In case of 2nd and later defrost)
(Integrating defrost
(Constant monitoring)
Outdoor temp -
Outdoor heat exchanger
temperature:
Above 5 degC
Compressor integrating
operation:
Over 62 minutes
Outdoor
heat exchanger
temperature:
Below - 3°C
Defrost Indicator.
is displayed
on the wired RC
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