Fujitsu ARU7RLF Service Instruction page 32

For AOU36RLXFZ
Normal defrost
Outside air temp.
> 30.2°F(-1°C)
Outdoor HEX
temp.Below
14.0°F (-10°C)
Heating operation start : Compressor ON
Outside air temp.
< 30.2°F(-1°C)
=
Outdoor HEX
temp.Below
10.3°F (-12°C)
Defrost start
Defrost Indicator:
[Operation lamp]
7 sec ON / 2 sec OFF
Outdoor HEX temp.: Over 53.3°F(12°C)
Compressor ON time: Maximum 15 minutes
Defrost end
(Not defrosted for 6 or 10 minutes)
Intermittent operation
Compressor
OFF count :
40 times
(Less than 10min.)
3 sec later Compressor : OFF
3 sec later Outdoor fan motor : OFF
28sec later 4WAY valve : OFF
34sec later Compressor : ON
or
01-28
Integrating defrost
Continuous operation
Compressor
integrating
operation:
Over 210 min.
When the
compressor is
stopped, If detected
outside air temp.
at 35.6°F(2°C)