CPS FX1234, Service Manual, Page: 51 / 57

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5. Relay PCB Lights
HV1, HV2, and HV3 Motor Lights (Red)
These lights are on monetarily when HV1, HV2 or HV3 are required to
either to open or close. No more than one can be energized at any one time.
Once the valve has found its position, the Motor Light will de- energize.
HS1 Solenoid Light (Red)
Will be energized when Air Purge is shown on LCD.
HV1, HV2,and HV3 Sensor Lights (Red and Green)
Red light will indicate CLOSED position.
Green light will indicate OPEN position.
12VDC power supply connector
Red patch cord connector
Red LED energized Compressor on
Red LED energized Vacuum Pump on
Red LED energized Fan on
Red LED energized Heater Blanket on
Aux Heater Blanket connection
Hi Pressure Switch
Compressor wire
Power common wire
Vacuum Pump wire
Power common wire
Fan wire
Power common wire
Heater Blanket wire
Power common wire