Fujitsu AO G24LBCB Series Service Instruction

01-21
Compressor OFF
Outdoor fan motor ON
( - 6°C< OT < 1°C )
OT :Outdoor Temperture
Outdoor fan motor OFF
30 sec later four - way valve OFF
35 sec later compressor ON
3. Defrost Flow Chart
The defrosting shall proceed by the integrating operation time, outdoor temperature
and outdoor heat exchanger temperature as follows.
(Not defrosted for 10 minutes)
Heating operation start : Compressor ON
Outdoor heat exchanger temperature:
Over +13°C
or
Compressor ON time: Maximum 15 minutes
Defrost end
= =
Compressor
integrating
operation:
Over 22 min.
Outdoor
heat exchanger
temperature:
Below - 9°C
Outdoor
heat exchanger
temperature:
Below - 5°C
Compressor
integrating
operation:
Over 40 min.
2nd and later defrost Integrating defrost
(Constant monitoring)
Defrost Indicator:
[Operation lamp]
6 sec ON / 2 sec OFF
Defrost start
Tn-Tn10 < - 5deg
Tn-Tnb < - 2deg
However, Tn <- 6°C
Compressor
OFF count :
40 times
(Less than 10min.)
1st defrost
Compressor
integrating
operation:
Over 62 min.
Compressor
integrating
operation:
Over 240 min.
Outdoor
heat exchanger
temperature:
Below - 3°C
=

Fujitsu AO G24LBCB Series Specifications

General

Brand	Fujitsu
Model	AO G24LBCB Series
Category	Air Conditioner
Language	English