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Domestic Air Conditioner
5.2.6.4 Outdoor Temperature Limit
Cooling: When outdoor temperature is lower than 23
, cooling operation will start, compressor
ć
frequency is limited to less than 50 HZ, outdoor wind speed is forced at level 1.
Heating: When outdoor temperature is higher than 18
, heating operation will start, compressor
ć
frequency is limited to less than 53 HZ, outdoor wind speed is forced at level 1.
5.2.6.5 Special Features
1. Forced Cooling: When receiving indoor forced cooling signal, cooling operation will start in a
frequency signaled by indoor unit. Only air discharge temperature and over current protection features
are effective and other protection features are invalid.
2. Rated, Middle and Minimum Capacity Operation: When receiving indoor, rated, middle and
minimum capacity operation signal, outdoor unit will operate as per wind speed and frequency set by
EEPROM and all the protection features are effective.
5.2.6.6 Fault Display and Treatment
In case outdoor unit faults, the alarm indicator lamp will blink and blink frequency is 1HZ
ˈ
Time interval
between blink cycles is 3s.
Alarm indicator lamp is off when there is no fault.
HSU12/18VHJ(DB)
2
9
Summary of Contents for HSU18VHJ(DB)
Page 3: ...12 VHJ DB 101 101 102 106 ...
Page 18: ...Domestic Air Conditioner PCB 2 CN1 CN2 CN3 CN4 CN5 CN6 CN7 CN11 CN10 15 HSU12 18VHJ DB ...
Page 21: ... Domestic Air Conditioner PCB 2 CN1 CN2 CN3 CN4 CN5 CN6 CN7 CN11 CN10 18 HSU12 18VHJ DB ...
Page 95: ...Loosen the top panel screws 1 2 Lift the top panel HSU12 18VHJ DB Removal Procedure 92 ...
Page 97: ...9 3 2 Removal of Electrical Box HSU12 18VHJ DB Removal Procedure 94 ...
Page 98: ...9 3 3 Removal of Fan and Fan Motor HSU12 18VHJ DB Removal Procedure 95 ...
Page 99: ...2 Loosen the fixing screws and remove the motor HSU12 18VHJ DB Removal Procedure 96 ...
Page 100: ...9 3 4 Removal of fan motor Bracket and Partition HSU12 18VHJ DB Removal Procedure 97 ...
Page 101: ...and remove the reactor Loosen the screw HSU12 18VHJ DB Removal Procedure 98 ...
Page 104: ... SSHQGL SSHQGL 3LSLQJ LDJUDPV 68 9 101 ...
Page 109: ...10 3 Circuit Diagrams 10 3 1 INDOORUNIT FOR12K Appendix HSU12 18VHJ DB 106 ...