System Controller - Scotsman CME1856W User Manual

System Controller

Indicator Lights:
•
Bin Full: On when bin is full, goes on and
off as ice falls during a harvest cycle.
•
Freeze: On when the unit is in the Freeze
cycle, blinks when a freeze cycle is pending.
•
Harvest: On when the unit is in the Harvest
cycle.
•
Clean: On when the unit is in the Clean
cycle.
•
Off: On when the unit has been switched off,
blinks when the machine is preparing to shut
off.
•
Water: On when the controller has identified
a problem with the water system.
•
Refrigeration: On when the controller has
identified a problem with the refrigeration
system.
LOW VOLTAGE IN/OUT
WATER VALVE
HOT GAS VALVE
PURGE VALVE TIMER
CONTACTOR COIL
STACKING and/or
THERMOSTAT
RESERVOIR & DISCHARGE
LINE THERMISTORS
ICE SENSOR
ICE SENSOR
RESERVOIR WATER
LEVEL SENSOR
FACTORY USE
Cycle Definitions:
•
Freeze: The refrigeration system is
operating to remove heat from the
evaporators. The compressor and water
pump are ON.
•
Harvest: The refrigeration and water
systems are operating to harvest the ice
cubes. While the compressor is on for the
full cycle, the water pump will be off at the
beginning and the inlet water valve will
switch off before the end.
•
Clean: Water valve opens to fill the
reservoir. The Water pump starts. The Clean
indicator light is switched ON. A manually
initiated rinse cycle flushes the system.
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November 2001
Page 15
CME1856W
HI VOLTAGE IN/OUT
WATER PUMP
9
PUSH BUTTON
CONTROL SWITCHES
INDICATOR LIGHTS:
BIN FULL
FREEZE
HARVEST
CLEAN
OFF
DIAGNOSTIC LIGHTS:
WATER
REFRIGERATION