198 Part Number 000014797 Rev02 05/18
FAN CYCLE CONTROL
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.
Specifications
Model
UDE080 145 psig ±5 110 psig ±5
U0140
U0190/UF0190
250 psig ±5 200 psig ±5
U0240
U0310
275 psig ±5 225 psig ±5
Check Procedure
Disconnect electrical power to the ice machine at the
electrical service disconnect.
Verify fan motor windings are not open or grounded, and
fan spins freely.
Connect manifold gauge to ice machine.
Hook voltmeter in parallel across the fan cycle control,
leaving wires attached.
Reconnect electrical power to the ice machine and press
the power button to ON.
Wait until water flows over the evaporator then refer to
chart below.
System Pressure: Reading Should Be: Fan Should Be:
Above cut-in 0 volts Running
Below cut-out Line voltage Off
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