Fujitsu ASYB12LDC User Manual

19. DEFROST OPERATION CONTROL
(1). CONDITION OF STARTING THE DEFROST OPERATION
The defrost operation starts when the outdoor heat exchanger temperature sensor detects
the temperature lower than the values shown in Table 15.
(Table 15 : Condition of starting Defrost Operation)
ASYA07/09LCC
ASYA12LCC
ASYB09/12LDC
ASYA14/18LCC
ASYA07/09/12LCC
ASYB09/12LDC
ASYA14/18LCC
1 time defrosting
after starting
operation
ST
Compressor operating time
Less than 20 minutes 20 to 60 minutes
60 minutes to 4 hours
After 4 hours
Does not operate
-9°C
-9°C
-9°C
-9°C
-5°C
-5°C
-5°C
-5°C
-3°C
-3°C
-3°C
-3°C
ASYA07/09LCC
ASYA12LCC
ASYB09/12LDC
ASYA14/18LCC
Defrosting after 2
time upon starting
operation
ST
Less than 35 minutes
35 minutes to
4 hours
Does not operate
Compressor operating time
After 4 hours
-3°C
-3°C
-3°C
-3°C
-6°C
-6°C
-6°C
-6°C
(2). CONDITION OF THE DEFROST OPERATION COMPLETION
Defrost operation is released when the conditions become as shown in Table 16.
(Table 16 : Defrost Release Condition)
Release Condition
Outdoor heat exchanger temperature sensor value is higher than 16°C or
Compressor operation time has passed 15 minutes.
Outdoor heat exchanger temperature sensor value is higher than 16°C or
Compressor operation time has passed 15 minutes.
Outdoor heat exchanger temperature sensor value is higher than 10°C or
Compressor operation time has passed 15 minutes.
05-14

Fujitsu ASYB12LDC Specifications

General

Brand	Fujitsu
Model	ASYB12LDC
Category	Air Conditioner
Language	English