The defrosting shall proceed by the integrating operation time
and outdoor heat exchanger temperature as follows.
(Not defrosted for 6 or 10 minutes)
3 sec later Compressor OFF
3 sec later Outdoor fan motor OFF
28 sec later 4-way valve OFF
34 sec later compressor ON
(Frequency : 90 Hz)
Heating operation start : Compressor ON
Defrost Indicator:
[Operation lamp]
7 sec ON / 2 sec OFF
Outdoor heat exchanger temperature: Over 10°C
or
Compressor ON time: Over 15 minutes
Defrost end
01-15
Compressor integrating
operation:
45 minutes and over
Outdoor heat exchanger
temperarure:
Below -14°C
Outdoor heat exchanger
temperarure:
Below -12°C
3 > Outdoor temp. > -1°C
Outdoor heat exchanger
temperarure:
Below -8°C
Outdoor temp. > 3°C
Outdoor heat exchanger
temperarure:
Below -16°C
Outdoor heat exchanger
temperarure:
Below -18°C
-10°C > Outdoor temp.
Defrost start
3. Defrost Flow Chart
=
-1 > Outdoor temp. > -5°C
= = =
-5°C > Outdoor temp. > -10°C
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