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Part Number 000015433_02 11/19 37
RNF1020C/RFF1220C/RNF2000C/RFF2200C
Remote Air-cooled Condensing Unit Models
When the toggle switch is placed in the ON position the
following controls must be in the closed position before
the ice machine will start:
A. Bin Thermostat
B. High Pressure Cut-out Switch
C. Ice Chute Safety Switch
D. Low Pressure Switch
E. Low Water Level Switch
Placing the toggle switch in the ON position starts the gear
motor. After the rotation speed sensor verifies 10 minutes
of correct rotation the time delay ends and the liquid line
solenoid valve opens.
• When the refrigerant pressure is high enough to close
the low-pressure control the contactor coil energizes
and the compressor starts.
• The refrigerant pressure will increase and close the fan
cycling pressure control and the condenser fan motor
starts.
The ice machine will continue to make ice until ice contacts
the bin thermostat and the liquid line solenoid valve closes
and the refrigeration system pumps down.
• The refrigerant pressure drops and the fan cycling
pressure control opens stopping the condenser fan
motor.
• When the refrigerant pressure is low enough to open
the low pressure control, the contactor coil is de-
energized and the compressor stops.
The ice machine remains off until ice no longer contacts
the bin thermostat.
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