Fan Cycle Control - Manitowoc QuietQube SD0672C Technician's Handbook

FAN CYCLE CONTROL

FUNCTION
Energizes and de-energizes the condenser fan motor.
The condenser fan motor typically will be on in the
Freeze cycle and off in the Harvest cycle.
The fan cycle control closes on an increase, and
opens on a decrease in discharge pressure.
Cut-In (Close)
First Condenser Fan
250 psig ±5
Second Condenser Fan
275 psig ±5
CHECK PROCEDURE
1. Verify fan motor windings are not open or
grounded, and fan spins freely.
2. Connect manifold gauges to ice machine.
3. Hook voltmeter in parallel across the fan cycle
control, leaving wires attached.
4. Refer to chart below.
FCC Setpoint:
Above Cut-In
Below Cut-Out
Part Number 80-1505-3 6/11
Specifications
Reading Should
Be:
0 Volts
Line Voltage
Cut-Out (Open)
200 psig ±5
225 psig ±5
Fan
Should Be:
Running
Off
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