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Fujitsu ASYG09LLCB User Manual

Fujitsu ASYG09LLCB
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01-13
19. DEFROST OPERATION CONTROL
1. CONDITION OF STARTING THE DEFROST OPERATION
The defrost operation starts as shown in the following Table 18.
2. CONDITION OF THE DEFROST OPERATION COMPLETION
Release Condition
Outdoor heat exchanger temperature sensor value is higher than +16°C or
Compressor operation time has passed 15 minutes.
(Table 18 : Condition of starting Defrost Operation)
Defrost operation is released when the conditions become as shown in Table 19.
(Table 19 : Defrost Release Condition)
Integrating defrost
If the compressor continuous operation time is less than 10 minutes,
the OFF number of the compressor is counted.
If any defrost operated, the compressor OFF count is cleared.
Normal defrost
Compressor integrating operation time
Less than 25 minutes More than 25 minutes
Does not operate
Outdoor heat exchanger temp. < -17°C
(at outside air temp. > -10°C)
Outdoor heat exchanger temp. < Outside air temp.- 7°C
or Outdoor heat exchanger temp. < - 20°C
(at outside air temp. < -10°C)
More than 240 minutes
(For continuous operation)
Less than 10 minutes
( For intermittent operation )
Compressor integrating operation time
OU. HEX temperature -3°C
More than 213 minutes
(For continuous operation)
OU.HEX temperature -5°C
OFF count of the compressor
40 times
=
=
=
=
Integrating & OFF
defrost
More than 210 minutes (For continuous operation) and Compressor stopped
Compressor integrating operation time
OU. HEX temperature -2°C

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Fujitsu ASYG09LLCB Specifications

General IconGeneral
BrandFujitsu
ModelASYG09LLCB
CategoryAir Conditioner
LanguageEnglish

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