
UIC-DX270 Series
User’s Manual Rev 1.0
- 22 -
6-2)
Digital input signal symbol
Symbol
Description
Symbol
Description
Over-load Main Motor
Over-heat Compressor Signal
Reverse-Phase Main Motor
Condenser Fan Fault Signal
Low-Pressure Switch Signal
Flow Signal -Pump(Fan) Interlock
High-Pressure Switch Signal
Over-load Pump(Fan) Motor
Oil Level Switch Signal
Remote Start/Stop Control
Oil Flow Switch Signal
6-3)
Digital output signal symbol
Symbol
Description
Symbol
Description
Load Control Capacity SOL V/V (CR1)
Main Magnetic Contactor
Load Control Capacity SOL V/V (CR2)
Star Magnetic Contactor
Load Control Capacity SOL V/V (CR3)
Delta Magnetic Contactor
Liquid SOL V/V
PW1 Magnetic Contactor
Liquid Injection Sol V/V Control
PW2 Magnetic Contactor
Total Alarm Signal
Pump(Fan)Motor Control Signal