LG RCWW Operation & Maintenance Manual page 52

4. CONTROL SYSTEM
52
- Movement path :
Move to Main/Evaporator/Con-
denser/Compressor screen
Displayed item
Chilled water flow interlock
Chilled water pump interlock
Remote operation signal
External fault signal
Condenser high pressure
Oil status
Motor status
Power supply status
Remote operation 2
Compressor startup check
Cooling water flow interlock
Cooling water pump interlock
Selecting ice making mode
Condenser high pressure 2
Oil status 2
Motor status 2
Power supply status 2
Compressor startup check 2
Figure 34 Input status check screen
Display status
ON/OFF When in the ice making mode: Circuit closed
ON/OFF When run signal input is made: Circuit closed
ON/OFF When remote operation is made: Circuit closed
ON/OFF When there is an external problem: Circuit closed
ON/OFF When pressure is normal: Circuit closed
ON/OFF When flow rate is normal: Circuit closed
ON/OFF When compressor is normal: Circuit closed
When power supply is normal: Circuit closed
ON/OFF
When remote operation is made: Circuit closed
ON/OFF
When compressor is running: Circuit closed
ON/OFF
When flow rate is normal: Circuit closed
ON/OFF
When pump is running: Circuit closed
ON/OFF
ON/OFF
When in the Ice Making mode : Circuit closed
for ice making
When pressure is normal: Circuit closed
ON/OFF
When flow rate is normal: Circuit closed
ON/OFF
When compressor is normal: Circuit closed
ON/OFF
When power supply is normal: Circuit closed
ON/OFF
When compressor is running: Circuit closed
Table 7 Digital input display items
Screen display button for
Compressor 2 status
Contact point status Remark
Optional