Functions and control
19 Domestic air conditioner
(18K/24K)
TC(ć) The compressor stops Fgh_t1 63ć/63ć
Fgh_t1ˉ2
Fgh_t2ˉ2 N Decreasing the frequency rapidly Fgh_t2 59ć/59ć
P Decreasing the frequency slowly Fgh_t3 56ć/57ć
Fgh_t3ˉ2
Fgh_t4—2 Q Prohibiting increasing the frequency Fgh_t4 53ć/51ć
R Increasing slowly Fgh_t5 40ć/40 ć
Fgh_t5—2
Normal
N˖Decreasing at the speed of 1HZ/1 second
P˖Decreasing at the speed of 1Hz/10 seconds
Q˖Continue to keep the last-time instruction cycle
R˖Increasing at the speed of 1Hz/10seconds
Remarks: the outdoor unit
7.1.5.3 The control of preventing the over current of the compressor:
ƽDuring the starting process of the compressor, if the current of the compressor is greater than 15.5A
/17A(18K/24K)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 power is off.
ƽDuring the starting process of the compressor, if the AC current is greater than 14.5A/15A(18K/24K),
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 13.5A/14A(18K/24K),
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 13A/13A(18K/24K),
the frequency of the compressor increases at the prohibited speed.
ƽDuring the starting process of the compressor, if the AC current is greater than 11.5A/12A(18K/24K)
the frequency of the compressor increases at the speed of no faster than 0.1HZ/second.
7.1.5.4 The protection function of AC current:
During the starting process of the compressor, if the AC current is greater than 15.5A/17.5A(18K/24K)
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.
During the starting process of the compressor, if the AC current is greater than 14.5A 15A(18K/24K),
the frequency of the compressor decreases at the speed of 1HZ/second.
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