Fujitsu AO*54LJBYL User Manual

05-15
2. CONDITION OF THE DEFROST OPERATION COMPLETION
Defrost operation is released when the conditions become as shown in Table 10-1.
(Table 10-1 : Defrost Release Condition)
Release Condition
Outdoor heat exchanger temperature sensor value is higher than 10°C or
Compressor operation time has passed 15 minutes.
5-17. 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 9-1.
(Table 9-1 : Condition of starting Defrost Operation)
Less than 6 min. *1
or 10min. *2
AU*24LUAR
AU*24LUAR
*2. Compressor stop time: Below 20min. Select 6min.
Above 20min. Select 10min.
After 6 min. *1
or 10min. *2
Compressor integrating
operation :Less than 40min.
Compressor integrating
operation :40min and over
-8°C
Does not operate
*1. It means contiguous operation time.
1-1. For AU*24LUAR
2-1. For AU*24LUAR
Defrost operation is released when the conditions become as shown in Table 10-2.
(Table 10-2 : Defrost Release Condition)
Release Condition
Outdoor heat exchanger temperature sensor value is higher than 12°C or
Compressor operation time has passed 15 minutes.
2-2. For AU*30/ 36/ 45/ 54LUAS
1-2. For AU*30/ 36/ 45/ 54LUAS
The defrost operation starts when the outdoor heat exchanger temperature sensor detects
the temperature lower than the values shown in Table 9-2.
(Table 9-2 : Condition of starting Defrost Operation)
Less than 6 min. *1
or 10min. *2
AU*30LUAS
AU*36LUAS
AU*45LUAS
AU*54LUAS
AU*30LUAS
AU*36LUAS
AU*45LUAS
AU*54LUAS
*3. Outdoor temp. > -1°C
*4. Outdoor temp. < -1°C
*2. Compressor stop time: Below 20min. Select 6min.
Above 20min. Select 10min.
After 6 min. *1
or 10min. *2
Compressor integrating
operation :Less than 45min.
Compressor integrating
operation :45min and over
-8°C *3
-10°C *4
-8°C *3
-10°C *4
Does not operate
Does not operate
=
Outdoor temp. -
Outdoor heat exchanger
temp.
Outdoor heat
exchanger temp.
12 degC
-20°C
*1. It means contiguous operation time.

Fujitsu AO*54LJBYL Specifications

General

Brand	Fujitsu
Model	AO*54LJBYL
Category	Air Conditioner
Language	English