Manitowoc RNS012, Руководство техника

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Part Number STH044 10/13 75
FLOAT SWITCH
FUNCTION
The float switch prevents the ice machine from running
when the water level is below the control setpoint.
The float switch must be closed (float in up position)
before the ice machine will start, and must remained
closed throughout the freeze cycle.
SPECIFICATIONS
A mechanical liquid level sensor, that magnetically
operates a reed switch.
CHECK PROCEDURE
NOTE: The water float switch is connected to the
water reservoir cover. The reservoir cover must be in
place and water must be present in the reservoir to
close the switch. Verify water is supplied to the float
valve, the water inlet screen is clean, and the float and
float arm are free moving.
1. Disconnect power to the ice machine.
2. Disconnect the float switch from the control board
and connect an ohm meter to the switch wires.
3. Verify the switch is in the up position (reservoir full
of water), then check continuit.y.
4. Remove cover from reservoir by lifting straight up.
Verify the switch opens as the float drops.
Step 3 Check for Continuity
Reading Result
Closed The switch is working properly
Open Replace the switch