3. Defrost Flow Chart
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 : 92 Hz)
Heating operation start : Compressor ON
Defrost Indicator:
[Operation lamp]
9 sec ON / 1 sec OFF
Outdoor heat exchanger temperature: Over 53.6°F (12°C)
or
Compressor ON time: Over 15 minutes
Defrost end
01-17
Compressor integrating operation: 45 minutes and over
Outdoor heat exchanger temperarure:
Below 14°F (-10°C)
Outdoor heat exchanger temperarure:
Below 17.6°F (-8°C)
Defrost start
Outdoor temp. > 30.2°F (-1°C)
=
Outdoor temp. < 30.2°F (-1°C)
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