Component Description - Scotsman NME650R Service Manual

COMPONENT DESCRIPTION

Control Box: Contains the electrical controls that
operate the machine.
High Pressure Cut Out: A manual reset switch
sensing the high side refrigeration pressure. It is
set to shut the machine off at 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.
CONTROL BOX
HIGH PRESSURE
CUT OUT
COMPRESSOR
Ice Discharge Chute: Directs the ice produced
by the evaporator into the storage bin.
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.
Gear Motor: An oil filled, speed reduction
gearbox, driving the auger.
Cleaning Drain Tube: When uncapped and
lowered, drains the evaporator.
Compressor: The refrigerant vapor pump.
Expansion valve: The refrigerant metering
device.
August 1993
Page 13
NME650R
EXPANSION VALVE
ICE CHUTE
WATER LEVEL
SENSOR
RESERVOIR
CLEANING
DRAIN TUBE
EVAPORATOR
GEAR MOTOR
ICE LEVEL
SENSOR