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The Ice Making Process
Your ice machine is unique in how it forms ice with fraction-
al freezing to form a slab of ice that is clear and has less
dissolved solids than the water it is produced from. This is
accomplished by running water over the cold evaporator
plate (see Figure 15) which gradually freezes the water to
produce the ice slab. Pure water freezes first, leaving the
dissolved solids in the residual reservoir water which is
discarded each ice production cycle to assure the highest
quality clean ice possible..
Figure 15
When the ice slab reaches the correct thickness, the ice
sheet is released and slides onto the grid cutter (see Figure
16). Here, the ice slab is cut into cubes by the grid cutter's
heated wires (see Figure 17). The water containing the dis-
solved minerals is drained after each freezing cycle. Fresh
water enters the machine for the next ice making cycle.
The ice machine will keep producing ice until the ice
machine's bin is full and will restart automatically when ice
needs to be replenished in the bin. The ice bin is not refrig-
erated, and some melting will occur by design to preserve
the ice quality and clarity. Upon initial start-up allow your
ice machine to run for 24-48 hours to accumulate ice in the
ice machine's bin.
OPERATION OF ICE MACHINE
Figure 16
Figure 17
The bin level sensor is located in the ice bin, it senses
when the ice supply is low or full and starts or stops the ice
making process accordingly.
NOTE
If the water supply is turned off to the ice machine be sure
to set the electronic control to the "OFF" position or remove
power to the unit.
Ice Production
In normal mode the ice machine will produce up to 39
pounds (17.7 kg) of clear ice in a 24-hour period when
installed in a 72°F ambient with a 55°F water supply. In
"ECO" mode (see page 15) the ice machine will produce up
to 29 pounds (13.2 kg) of clear ice under these conditions
in the 24 hour period.
NOTE
"Initial" ice production and ice accumulated in the storage
bin will vary significantly. This is normal. During the first
24-hours of operation the unit will produce up to 39 lbs of
ice at the above ambient and water temperature conditions,
but when starting with an empty ice storage bin, the storage
bin may only accumulate up to 18 lbs of ice. By design,
the ice storage bin is maintained at a temperature slightly
above freezing to allow the stored ice to slowly melt, to
preserve the ice quality and clarity and assure a constant
supply of fresh ice. As ice is accumulated in the bin, the ice
production rate will overcome the ice melt and the storage
bin will fill to capacity.
New Sounds
The ice machine will make sounds that are different than
your household refrigerator. Because these sounds are
new to you they may be of a concern but are most likely
normal. The ice production process will make noises that
are not typical in a refrigeration product, ice falling onto
hard surfaces, water cascading across the evaporator, and
valves opening and closing. Following are some of the
sounds that you may hear:
•
A buzzing sound will be heard when the water valves
open to fill or drain the water reservoir.
•
A rattling noise which could be water flowing through
the water line.
•
A splashing sound when water is flowing over the
evaporator plate and into the water reservoir.
•
A "thud" when the ice slab is released from the evapo-
rator plate and slides onto the grid cutter.
•
"Clicks" when the cubes fall into the ice storage bin.
•
A gurgling sound which is water or refrigerant flowing in
the ice machine.
•
An air noise from the condenser fan.
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