Manitowoc Ice QF0400, QF2300, QF0800 Electrical System, Section, 6-56, FAN CYCLE CONTROL Function

Electrical System Section 6

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.

Model	Cut-In (Close)	Cut-Out (Open)
QF0800	250 psig +/- 5	200 psig+/- 5
QC0700

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:

Discharge	Reading Should Be:	Fan Should Be:
Pressure:
above cut-in	0 volts	running
below cut-in	line voltage	off

6-56 Revised 8/2003 Part No. 80-1214-3