Manitowoc

Fan Cycle ControlQM45/Q130/Q170/Q210/Q270FunctionCycles the fan motor on and off to maintain properoperating discharge pressure.The fan cycle control closes on an increase, andopens on a decrease in discharge pressure.SpecificationsModelCut-In(Close)Cut-Out(Open)QM45 145 psig 5 110 psig 5Q130 250 psig 5 200 psig 5Q170 275 psig 5 225 psig 5Q210 275 psig 5 225 psig 5Q270 250 psig 5 200 psig 5Check ProcedureDisconnect electrical power to the ice machine at theelectrical service disconnect.Verify fan motor windings are not open or grounded,and fan spins freely.Connect manifold gauges to ice machine.Hook voltmeter in parallel across the fan cycle control,leaving wires attached.Reconnect electrical power to the ice machine and setthe ON/OFF/WASH toggle switch to ON.Wait until water flows over the evaporator then refer tochart below.SystemPressure:ReadingShould Be:Fan ShouldBe:above cut-in 0 volts runningbelow cut-out line voltage off178 Part Number 80-01111-9 7/10