PL-M2000-CHL (Chiller Controller)
VFD Pump 1
VFD Pump 2
Chiller 4
Chiller 3
Chiller 2
Chiller 1
Pump 2
Pump 1
Occupancy
M2000-RTU
M2000-HP
M2000-HYD
C1050-RTU
C1050-HP
Outside temperature
Math Values
NC2000
Occupancy (optional)
Outside temperature (optional)
INT Port : Incoming RS485
Network Communication
(modbus)
24
VAC
Bottom Row:
Common for all outputs
Bottom Row:
Common for all inputs
Controller’s power source
24 VAC - Class 2
NET Port: Incoming RS485 Network
communication (Modbus)
Proof of Pump 2
Condenser Water Temperature Entering
Condenser Water Temperature Leaving
Water Pressure
Alarm
Return Water Temperature
Proof of Pump 1
Supply Water Temperature
Outside Air Temperature
4-16
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