Manitowoc Ice FLAKE/CHIPLET QF0400 - Manual (Page 118)

Electrical System Section 6
6-56 Part No. 80-1214-3
FAN CYCLE CONTROL
Function
Cycles the condenser fan motor on and off to maintain
proper operating discharge pressure.
The fan cycling control closes on an increase in
discharge pressure and opens on a decrease in
discharge pressure.
Check Procedure
1. Verify fan motor windings are not open or grounded
and fan spins freely.
2. Connect a manifold gauge set to the ice machine.
3. Hook a voltmeter in parallel across the fan cycle
control, leaving wires attached.
4. Refer to chart below:
Model Cut-In (Close) Cut-Out (Open)
QF0800
QC0700
250 psig +/- 5 200 psig+/- 5
Discharge
Pressure:
Reading Should Be: Fan Should Be:
above cut-in 0 volts running
below cut-in line voltage off
Revised 8/2003