3. Defrost Flow Chart
The defrosting shall proceed by the integrating operation time
and outdoor heat exchanger emperature as follows.
(In case of 1st defrost)
Compressor integrating
Compressor integrating
operation:
operation:
Over 17 minutes to
Over 62 minutes to
below 62 minutes
below 240 minutes
Outdoor
heat exchanger
temperature:
Below - 9°C
Outdoor temp -
Outdoor heat exchanger
temperature:
Above 5 degC
Heating operation start : Compressor ON
Compressor integrating
operation:
Over 240 minutes
Outdoor
Outdoor
heat exchanger
heat exchanger
temperature:
temperature:
Below - 5°C
Below - 3°C
Defrost start
Defrost Indicator:
[Operation lamp]
7 sec ON / 2 sec OFF
Outdoor heat exchanger temperature: Over 10°C
Compressor ON time: Over 15 minutes
Defrost end
(Not defrosted for 10 minutes)
Compressor integrating
operation:
Over 35 minutes to
below 240 minutes
Outdoor fan : OFF
Compressor : OFF
EEV : 480pulse
4-way valve : OFF
Compressor : ON
(Frequency : 70Hz)
or
01-21
(In case of 2nd and later defrost)
Compressor integrating
operation:
Over 240 minutes
Outdoor
Outdoor
heat exchanger
heat exchanger
temperature:
temperature:
Below - 6°C
Below - 3°C