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CONTROL BOARD:
A solid state board controls the AM
operation. The control board is factory
adjusted to produce consistent ice in all
ambient conditions.
“NO SEASONAL
ADJUSTMENTS ARE
REQUIRED”
There are no adjustments needed, however
there are two variable resistors on the control
board. The first resistor VR1 is used to fine
tune the harvest termination temperature
adjustment when the control board is
manufactured. The adjustment is sealed with
red paint and should always remain in the
factory setting.
VR2 is set from the factory so that the ice
machine will perform at the optimum level.
This resistor adjusts the freeze cycle
termination setting so the proper cube size is
obtained. The VR2 setting is also sealed with
red paint and should not be changed.
If you find that the red seal is broken, the
board will need to be replaced since these
settings cannot be correctly adjusted in the
field. The replacement board will be factory
set and sealed for proper operation.
VR1 & VR2
are factory adjusted.
Red paint seals the
setting for VR1 &
VR2 at this point.