4.
5.
1.
2.
3.
ii
3.2
Oil Return Operation .............................................................................. 50
3.3
Defrosting Operation .............................................................................. 52
3.5
3.6
Restart Standby ..................................................................................... 56
3.7
Stopping Operation ................................................................................ 57
Protection Control .................................................................................59
4.1
4.2
4.3
4.4
4.5
Other Control ........................................................................................64
5.1
5.2
Emergency Operation ............................................................................ 65
5.3
Demand Operation................................................................................. 67
5.4
6.1
Drain Pump Control ............................................................................... 68
6.2
6.3
Freeze Prevention.................................................................................. 72
Test Operation ......................................................................................74
1.1
1.2
Field Setting ..........................................................................................79
PC Board Defect ........................................................ 128
SiUS39-602
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