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EF and EMF Series How the ICE Machine Works
Page 9
A general description of how the ICE-O-Matic Flaker works is given below:
Whenever the ON/OFF switch is in the ON position (and the bin control and safety controls are closed) the machine
will continuously make ice and deliver it into the storage bin.
Water enters a reservoir through the float valve and is gravity fed into the evaporator barrel through an opening in the
bottom of the barrel. Water fills the evaporator to the same level as the water in the reservoir. This level is maintained
by a float valve which stops the flow of water into the reservoir when the reservoir becomes full.
When the ON/OFF switch is turned to the ON position, the auger motor energizes. On larger machines the
compressor is delayed for 2 to 4 minutes. After the compressor delay period, the compressor and condenser fan
motor (air cooled machines only) starts causing the temperature of the evaporator to drop.
The water in the evaporator freezes to the inner wall of the evaporator barrel. A belt driven gear reducer continuously
turns the auger inside the evaporator. As the auger turns, it pushes the ice off of the barrel wall. The auger also
drives the flakes of ice upward and forces them out of the window in the barrel, through the delivery chute and into the
storage bin. As ice is pushed out through the evaporator, make-up water enters the bottom of the evaporator.
As the level of ice in the bin rises,
the ice will contact the
thermostatic bin control thermal
well. The bin control then opens,
shutting the machine off until ice
is removed, allowing the bin
control to once again close,
starting the machine.
Evaporator
Float
Gear Reducer
Auger Motor
V-Belt
EMF Series shown