ƽDuring the starting process of the compressor, if the curren of the compressor is greater than
17A for 3 seconds, stop the compressor and alarm, after 3 minutes, start it again, if such state
appears 3 times in 20 minutes, stop the compressor and alarm, and confirm the malfunction.
Then continue to run it only after the the power is off.
ƽDuring the starting process of the compressor, if the AC current is greater than 12A, the
frequency of the compressor decreases at the speed of 1HZ/second.
ƽDuring the starting process of the compressor, if the AC current is greater than 10A, the
frequency of the compressor decreases at the speed of 0.1HZ/second.
ƽDuring the starting process of the compressor, if the AC current is greater than 9A, the
frequency of the compressor increases at the prohibited speed.
ƽDuring the starting process of the compressor, if the AC current is greater than 8A, the
frequency of the compressor increases at the speed of no faster than 0.1HZ/second.
5.2.5.4 The protection function of AC current:
During the starting process of the compressor, if the AC current is greater than 15A, the
frequency of the compressor decreases at the speed of 1HZ/second.
During the starting process of the compressor, if the AC current is greater than 13A, the
frequency of the compressor decreases at the speed of 0.1HZ/second.
During the starting process of the compressor, if the AC current is greater than 11A, the
frequency of the compressor increases at the prohibited speed.
During the starting process of the compressor, if the AC current is greater than 10A, the
frequency of the compressor increases at the speed of no faster than 0.1HZ/second.
Remarks: when the outdoor temperature is high, there’s compensation for AC current protection.
ŁWhen the outdoor environment temperature is higher than 40ć, AC current protection value
decreases by 10AD
łWhen the outdoor environment temperature is higher than 46ć,AC current protection value
decreases by 15AD
ŃWhen the outdoor environment temperature is higher than 50ć,AC current protection value
decreases by 20AD
5.2.5.5 Antifreezing protection of the indoor heat exchanger
When refrigerating/heating, prevent freezing.
Tpg_indoor Ў is the minimum value of the effective indoor unit (start it and it is in accord with the
running state).
11ć//ice_temp_3+5
9ć
ce_temp_3+3 Increasing slowly
8ć//ice_temp_3+2
Keeping the frequency
ice_temp_3 6ć 6ć
ice_temp_2 5ć Decreasing slowly
ice_temp_1 3ć Decreasing rapidly ice_temp_1
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