The Control Of Preventing The Overcurrent Of The Compressor; The Protection Function Of Ac Current - Haier HSU-18HEA03/R2(DB)-I Service Manual

TC
Fgh_t1 2
Fgh_t 2 2
Fgh_t 3 2
Fgh_t4—2
Fgh_t5—2
Normal
Q:Continue to keep the last-time instruction cycle
R:Increasing at the speed of 1Hz/10seconds
Remarks: the outdoor unit

5.2.5.3 The control of preventing the overcurrent of the compressor

During 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
after the the power is off.
the compressor increases at the prohibited speed.

5.2.5.4 The protection function of AC current

compressor increases at the prohibited speed.
Remarks: when the outdoor temperature is high, there's compensation for AC current protection.
decreases by 10AD
decreases by 15AD
decreases by 20AD
HSU-18HEA03/R2(DB)-I
T he compressor stops
F
N
F
Q
F
R I ncreasing slowly
20
gh_t1 6 5
gh_t3 55
gh_t4 51
Fgh_t5
0.5
9.5
9
8
Domestic Air Conditioner
Funcitions and Control
Fgh_t2 59
47
.5
.5