January 2015 Page 26
Electrical Component Details
Discharge temperature sensor.
• Thermistor attached to the discharge line near the compressor. Reported temperature used by the controller
to determine end-of-cycle-fan-off-delay time. If discharge temperature exceeds a preset maximum, controller
will shut the machine off.
Note: Controller will operate machine in a default mode with thermistors disconnected from the
controller. Diagnostic code #5 or 7 will be displayed during that time.
Component Indicator Lights
System Indicator Light ON
Condenser Fan or Liquid Line Valve Fan Motor Powered or LLV open
Water Pump Pump Motor Powered
Purge Valve Purge Valve Opens
Inlet Water Solenoid Valve Inlet Water Valve Opens
Hot Gas Hot Gas Valve Opens
Compressor Contactor Contactor Closes
Ready to Harvest Water contacting ice thickness sensor probe
Sump Empty Open between mid sensor and common
Sump Full Closed between top probe and mid probe
Curtain Switch Curtain open
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