8-3. Current release control
The compressor frequency is controlled so that the outdoor unit input current does not exceeds cur-
rent limit value set according to the outdoor temperature.
The compressor frequency returns according to the operation mode, when the current becomes low-
er than the release value.
¢ Model: AOHG36KBTB
Operation mode Outdoor temp. (Ta) Trigger condition Release condition
Cooling
52°C ≤ Ta 8.0 A 7.5 A
50°C ≤ Ta < 52°C 12.0 A 11.5 A
42°C ≤ Ta < 50°C 14.0 A 13.5 A
2°C ≤ Ta < 42°C 18.0 A 17.5 A
Ta < 2°C 20.0 A 19.5 A
Heating
2°C ≤ Ta 18.0 A 17.5 A
Ta < 2°C 20.0 A 19.5 A
¢ Models: AOHG45KBTB and AOHG54KBTB
Operation mode Outdoor temp. (Ta) Trigger condition Release condition
Cooling
52°C ≤ Ta 10.0 A 9.5 A
50°C ≤ Ta < 52°C 13.0 A 12.5 A
46°C ≤ Ta < 50°C 15.0 A 14.5 A
42°C ≤ Ta < 46°C 18.0 A 17.5 A
2°C ≤ Ta < 42°C 20.0 A 19.5 A
Ta < 2°C 24.0 A 23.5 A
Heating
2°C ≤ Ta 20.0 A 19.5 A
Ta < 2°C 24.0 A 23.5 A
8-4. Low pressure protection control (cooling mode)
• After the compressor start-up and 10 minutes has passed
When the pressure sensor detected value is 0.68MPaG or less continues for 1minute, the com-
pressor frequency -8rps.
• After the frequency of the compressor -8rps and 1 minute has passed
When the pressure sensor detected value is 0.68MPaG or less, continues for 1 minute, the com-
pressor continues frequency -8rps every 1 minute until the detected value becomes more than
0.68MPaG.
When the detected value becomes more than 0.78MPaG, this protection is released.
• After the compressor start-up and 1 minute has passed
The detected value of pressure sensor is 0.02MPaG or less, continues for 5 minutes, the com-
pressor is stopped.
0.78MPaG
0.68MPaG
0.02MPaG
Release of protection
Hold
Compressor stop
-8rps every 1 minute
(When continues for 5 minutes)
8-3. Current release control
- (01-36) - 8. Various protections
CONTROL AND
FUNCTIONS
CONTROL AND
FUNCTIONS
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