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630460050SER
WATER LEVEL CONTROL
HOW WATER LEVEL CONTROL WORKS
When water is introduced through the inlet fitting the float rises, the float pushes against a lever that in turn,
forces the poppet assembly against the inlet fitting valve seat that seals the water off. See Figure 1. Before the
water inlet is sealed, the safety switch is operated. In the event of a water failure the float would drop down and
operate the safety switch to shut off the machine.
If water level control will not shut off and seal at level as indicated, be sure inlet pressure does not exceed
recommended factory operating range.
Under ordinary circumstances adjustment should not be necessary providing it was properly adjusted when unit
was installed or relocated. If however, the control becomes inoperative, repair or replace. See Start–up
Adjustment page 3.
PURPOSE OF WATER LEVEL CONTROL
1. To automatically maintain proper water level in the evaporator when the unit is running and making ice.
2. A safety switch is operated in the event of an interruption in water supply. The switch shuts off the electrical
power to the icemaker and its refrigeration system. Switch will reset as soon as cause of water failure has been
corrected and proper water level in icemaker has again been reached.
3. The transparent bowl not only provides a visible check of water level, but also is a good guide to the internal
conditions which exist within the icemaker assembly itself. (See cleaning procedure.)
TO REPLACE WATER LEVEL CONTROL
1. Shut off the water supply. Shut off the main power switch or unplug the ice dispenser from electrical outlet.
2. Remove the flexible tubing from bottom of water level control and drain water from water level control and
evaporator.
3. Remove flexible tubing at bottom of water level bowl connected to the overflow.
4. Hold water inlet fitting with proper tool to prevent it from rotating when disconnecting the water inlet.
5. Remove wing nut holding water control to its mounting bracket. Control can be removed by lifting straight up.
TO REPLACE WATER LEVEL SAFETY SWITCH
1. Shut off main power switch or unplug the ice dispenser from electrical outlet.
2. Unplug Molex connector connecting switch to electrical box.
3. Remove the 2 screws anchoring the water level safety switch to the bottom of the water level control mounting
bracket.
ICE LEVEL CONTROL
The ice level control assembly is secured to the top of the ice storage container cover. The cover is secured to
the storage container with four screws. The level control switch is operated by a plate assembly located beneath
the diaphragm. When the plate assembly is down due to lack of ice in storage container, electrical impulse is
sent to compressor, starting the ice making cycle. As ice level increases in storage container, the plate
assembly is pushed up. When storage container is full, it deactivate the switch, stopping the compressor and ice
making cycle. The operating positions of the switch is fixed, no adjustments are necessary. If switch
replacement becomes necessary, simply disconnect cable at connector, remove wires from switch.
