Dometic VARC 72 - Appendix VII I;O Table & Wiring Diagram

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Appendix VII I/O Table & Wiring Diagram
I/O #
Board I/O
Description
Analog Inputs
AI-1
B1
Chilled Water Return
AI-2
B2
Chilled Water Supply
AI-3
B3
Condenser Outlet Refrigerant Temp
AI-4
B4
Suction Temperature
AI-5
B5
Discharge Temperature
AI-6
B6
Suction Pressure
AI-7
B7
Discharge Pressure
Digital Inputs
DI-1
DI1
High Pressure Switch (Optional)
DI-2
DI2
Low Pressure Switch (Optional)
DI-3
DI3
Flow Switch
DI-4
DI4
Load Shedding Input
DI-5
DI5
Electric Heat Flow Switch
DI-6
DI6
Econo Mode Selection
DI-7
DI7
N/A
Analog Outputs
AO-1
Y1
N/A
AO-2
Y2
N/A
AO-3
Y3
N/A
Digital Outputs
DO-1
NO1
Seawater Pump
DO-2
NO2
Chilled Water Pump
DO-3
NO3
Reversing Valve
DO-4
NO4
Electric Heat
DO-5
NO5
N/A
DO-6
NO6
N/A
DO-7
NO7/NC7
Alarm