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Model 506 (UC Ice Maker)
Model 506 (UC Ice Maker)
Theory of Operation
3-7
#3752200 - Revision B - May, 2006
Figure 3-12. FSP Condensate Pump Diagram
Figure 3-11. Electrical System
Figure 3-13. Non FSP Sump Pump Diagram
Electrical System
The units electrical system provides power for the
refrigeration and water systems to operate, and controls
the operational cycling of the ice maker.
2
1
6
3
ON
OFF
CLEAN
SERVICE
SWITCH
115
VOLTS
60 HERTZ
N
L
WATER
PUMP
CONDENSER
FAN
PLUG
PRESSURE
SWITCH
CONDENSATE
DRAIN PUMP
START RELAY
COMPRESSOR
S
R
RECEPTACLE
HOT
GAS SOLENOID
N.C.
N.C.
WATER
VALVE
SOLENOID
SHUNT
EVAPORATOR
THERMOSTAT
2
3
1
BIN
THERMO-
STAT
OVERLOAD
TRANSFORMER
115 V
8.5 V
DOOR SWITCH
CUTTER GRID
UNIT SHOWN WITH GRAVITY DRAIN;
SERVICE SWITCH IN “OFF” POSITION;
BIN NOT FULL OF ICE.
2
1
6
3
ON
OFF
CLEAN
SERVICE
SWITCH
115
VOLTS
60 HERTZ
N
L
WATER
PUMP
CONDENSER
FAN
PLUG
PRESSURE
SWITCH
CONDENSATE
DRAIN PUMP
START RELAY
COMPRESSOR
S
R
RECEPTACLE
HOT
GAS SOLENOID
N.C.
N.C.
WATER
VALVE
SOLENOID
SHUNT
EVAPORATOR
THERMOSTAT
2
3
1
BIN
THERMO-
STAT
OVERLOAD
TRANSFORMER
115 V
8.5 V
DOOR SWITCH
CUTTER GRID
UNIT SHOWN WITH GRAVITY DRAIN;
SERVICE SWITCH IN “OFF” POSITION;
BIN NOT FULL OF ICE.
2
1
6
3
ON
OFF
CLEAN
SERVICE
SWITCH
115
VOLTS
60 HERTZ
N
L
WATER
PUMP
CONDENSER
FAN
PLUG
PRESSURE
SWITCH
CONDENSATE
DRAIN PUMP
START RELAY
COMPRESSOR
S
R
RECEPTACLE
HOT
GAS SOLENOID
N.C.
N.C.
WATER
VALVE
SOLENOID
SHUNT
EVAPORATOR
THERMOSTAT
2
3
1
BIN
THERMO-
STAT
OVERLOAD
TRANSFORMER
115 V
8.5 V
DOOR SWITCH
CUTTER GRID
UNIT SHOWN WITH GRAVITY DRAIN;
SERVICE SWITCH IN “OFF” POSITION;
BIN NOT FULL OF ICE.
Unit with an FSP condensate pump installed.
Units using a non-FSP sump pump.
The sump pump is powered directly from an independ-
ent electrical power supply and is not controlled by the
ice maker.