Component Description - Scotsman NDE554 Service Manual

NDE554 & NDE654

COMPONENT DESCRIPTION

Control Box: Contains the electrical controls that
operate the machine.
High Pressure Cut Out Switch: An automatic
reset switch sensing the high side refrigeration
pressure. It is set to shut the machine off if the
discharge pressure should ever exceed 450 psig.
Evaporator: A vertical stainless steel tube,
refrigerated, and water filled. In it there is a
stainless steel auger.
Reservoir: Float operated, it maintains the water
level in the evaporator at a constant level, it also
contains the water level sensor.
Water Level Sensor: Senses if there is water in
the reservoir to make ice out of. Will shut the
machine off it there is none.
Ice Level Sensor: An
electronic "eye", it senses the
presence of ice in the bottom of
the ice discharge chute.
Operates to turn the ice
machine on and off
automatically as the level of ice
in the bin changes.
Drain Tube: When uncapped
and lowered, drains the
evaporator.
Condenser: Air or water
cooled, where the heat
removed in ice making is
discharged.
Ice Storage Bin Assembly: A
plastic lined, insulated cylinder
that receives, stores and
dispenses the ice. Fresh ice
enters at the top, and when the
bin is full enough the ice will be
between the ice level sensors,
and the ice making will stop. Ice
is dispensed through a chute at
the bottom front when the bin
vane sweeps the ice over the
chute.
ICE LEVEL SENSORS
CONDENSER
LOW PRESSURE
CUT OUT
March 2000
Glass Filler Lever: Pushing in on this lever
causes the ice dispensing cycle to occur.
Low Pressure Cut Out Switch: An automatic
reset control that shuts off the ice machine when
the low side pressure drops below a preset point,
15 psig.
WATER LEVEL
SENSOR
GLASS FILLER LEVER
Page 10
EVAPORATOR
RESERVOIR
DRAIN TUBE
HIGH PRESSURE
CUT OUT
ICE STORAGE BIN
CONTROL
BOX