3.
4.
5.
1.
2.
3.
ii
2.3
Special Control....................................................................................111
3.1
Startup Control .....................................................................................111
3.3
Oil Return Operation ............................................................................114
3.4
Defrost Operation .................................................................................118
3.5
3.6 Standby ................................................................................................122
3.7
Stopping Operation ..............................................................................123
Protection Control ...............................................................................124
4.1
4.2
4.3
4.4
4.5
Other Control.......................................................................................132
5.1
Backup Operation.................................................................................132
5.2
Demand Operation ...............................................................................132
5.3
6.1
6.3
Drain Pump Control..............................................................................139
6.5
Freeze Prevention ................................................................................142
6.9
Test Operation ....................................................................................148
1.2
1.3
Field Setting ........................................................................................169
3.1
Si37-701
Table of Contents