10.8. Defrosting operation (Available for heating only).
10.8.1 Defrosting condition:
10.8.1.1 When outdoor temp. is more than 0℃,
Defrosting starts when meeting one of the following conditions,
a. The temperature of outdoor heat exchanger remains consecutively lower than 3°c for more than
40 minutes, and the temperature remains consecutively -6°c for more than 3 minutes,
b. The temperature of outdoor heat exchanger remains consecutively lower than 3°c for more than
80 minutes, and the temperature remains consecutively -4°c for more than 3 minutes
10.8.1.2 When outdoor temp. is less than 0℃,
Defrosting starts when meeting one of the following conditions,
a. The temperature of outdoor heat exchanger remains consecutively lower than 3°c for more than
40 minutes, and the temperature remains consecutively -6°c for more than 3 minutes,
b. The temperature of outdoor heat exchanger remains consecutively lower than 3°c for more than
40 minutes, and the temperature remains consecutively -6°c for more than 3 minutes,
c. The temperature of indoor unit pipe decreases 5°c than before
10.8.1.3 The temperature of outdoor heat exchanger remains consecutively lower than 3°c for more than
120 minutes, and the temperature remains consecutively -2°c for more than 3 minutes
10.8.2 Ending condition of defrosting
If one of following conditions is satisfied, end the defrost and turn into heating mode:
a. The defrost time has reached to 10 minutes.
b. When the temperature of outdoor heat exchanger rises up to 8°C and this continues for more
than 80 seconds.
c. When the temperature of outdoor heat exchanger rises up to 12°C
10.8.3 Defrosting Actions:
max. 10 minutes
60s
ON 10s 30s
Com. OFF
ON ON
4 way valve OFF
ON ON
Outdoor fan OFF
ON ON
Indoor fan OFF
breeze
295
To Next Page
Loading...