Part Number 80-1479-3 7/10 159
FAN CYCLE CONTROL
Self-Contained Air-Cooled Models Only
FUNCTION
Cycles the fan motor on and off to maintain proper
operating discharge pressure.
The fan cycle control closes on an increase, 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 manifold gauges to ice machine.
3. Hook voltmeter in parallel across the fan cycle
control, leaving wires attached.
4. Refer to chart below.
Specifications
Model Cut-In (Close) Cut-Out (Open)
S300 / S320
S420 / S450
S500 / S600
S850
250 ±5
(1723 kPa ±.34)
(17.23 bar ±.34)
200 ±5
(1517 kPa ±.34)
(15.17 bar ±.34)
S1000 / S1200
S1400 / S1600
S1800
275 psig ±5
(1896 kPa ±34)
(18.96 bar±.34)
225 psig ±5
(1551 kPa ±34)
(15.51 bar ±.34)
FCC Setpoint:
Reading Should
Be:
Fan
Should Be:
Above Cut-In 0 Volts Running
Below Cut-Out Line Voltage Off
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