Domestic Air Conditioner
5.2.2 Outdoor fan control
Compressor startup within 3min ,outdoor fan speed control as follows:
Outdoor
Temperature
5
2
5
2
ī
0
1
0
1
<
Cooling/
Dehumidification
7
3
1
Heating
2
3
5
fter compressor runs 3min ,outdoor fan speed control as follows:
Cooling/ Dehumidification:
Compressor Operation Frequency
˄
Hz
˅
<25
25 45
45
7DR˄ć˅
7
4
3
8
3
ī
2
3
5
2
1
2
3
ī
3
2
3
2
7
8
3
ı
Heating:
Compressor Operation Frequency (Hz)
7DR˄ć˅
İ
ī
1
ı
Compressor shutdown and outdoor fan residual heat blow process
When compressor shuts down in cooling mode, outdoor fan automatically jumps to low speed and
blows residual heat for 30s and stop.
5.2.3 Four-way Valve Control
Defrosting Four-way Valve Control
ˈ
(please see defrosting process for details)
Time sequence of the defrosting operation is as follows:
Four-way Valve Work Status in Other Modes:
In heating mode, four-way valve is on. If compressor is off or is switched to non-heating mode,
four-way valve ensures that it is off at least 2 minutes after compressor shuts down.
5.2.4 Outdoor Defrosting Control
Defrosting Mode Entry Conditions
The unit will enter defrosting mode when compressor starts up and operates for 10 minutes
continuously in heating mode or after compressor runs for an accumulated time of 45 minutes (Upon
completion of defrosting or when switched to cooling mode, compressor accumulated operation time
will be cleared) and when 2 minutes’ continuous checking by defrosting sensor TE (check frosting
condition of outdoor unit heat exchanger) and outdoor ambient temperature sensor TA meets the
following conditions:
ī
<25
25 45
45
7
4
3
7
4
2
ī
HSU12/18VHJ(DB)
2
6
Содержание HSU18VHJ(DB)
Страница 3: ...12 VHJ DB 101 101 102 106 ...
Страница 13: ...Domestic Air Conditioner PCB 1 CN31 CN11 CN1 CN32 CN26 CN27 CON2 CN30 CON12 CON8 CH1 10 HSU12 18VHJ DB ...
Страница 15: ... Domestic Air Conditioner PCB 1 CN26 CON1 CON2 CN11 CN32 CN1 CN48 CON8 CON6 CON7 12 HSU12 18VHJ DB ...
Страница 18: ...Domestic Air Conditioner PCB 2 CN1 CN2 CN3 CN4 CN5 CN6 CN7 CN11 CN10 15 HSU12 18VHJ DB ...
Страница 21: ... Domestic Air Conditioner PCB 2 CN1 CN2 CN3 CN4 CN5 CN6 CN7 CN11 CN10 18 HSU12 18VHJ DB ...
Страница 94: ...9 3 1 Removal of Outdoor Panel 9 3 For 12 18K Outdoor unit Removal Procedure HSU12 18VHJ DB 91 ...
Страница 95: ...Loosen the top panel screws 1 2 Lift the top panel HSU12 18VHJ DB Removal Procedure 92 ...
Страница 96: ...Domestic air conditioner Removal Procedure Loosen the csrews and pull the panel HSU12 18VHJ DB 93 ...
Страница 97: ...9 3 2 Removal of Electrical Box HSU12 18VHJ DB Removal Procedure 94 ...
Страница 98: ...9 3 3 Removal of Fan and Fan Motor HSU12 18VHJ DB Removal Procedure 95 ...
Страница 99: ...2 Loosen the fixing screws and remove the motor HSU12 18VHJ DB Removal Procedure 96 ...
Страница 100: ...9 3 4 Removal of fan motor Bracket and Partition HSU12 18VHJ DB Removal Procedure 97 ...
Страница 101: ...and remove the reactor Loosen the screw HSU12 18VHJ DB Removal Procedure 98 ...
Страница 103: ...4 Remove the compre ssor and pipe assay 5 Remove the conden ser HSU12 18VHJ DB Removal Procedure 100 ...
Страница 104: ... SSHQGL SSHQGL 3LSLQJ LDJUDPV 68 9 101 ...
Страница 109: ...10 3 Circuit Diagrams 10 3 1 INDOORUNIT FOR12K Appendix HSU12 18VHJ DB 106 ...