J5-5,6
P2
P1
J6-2
SERIAL DATE TRANSMIT
SENSES EVAPORATOR TEMPERATURE
NOT USED
REF DOOR LIGHT SENSE
NOT USED
NEUTRAL
DEFROST HEATER
L1
L2
FREEZER COMPARTMENT
DEFROST SENSOR
DISPLAY WIRING
BAFFLE CLOSE
C
O
GRAY/WHITE
EVAP
DISPLAY
DISPLAY
DISPLAY
DISPLAY
LIGHTS
FAN 1
COMPRESSOR
LOW VOLTAGE THERMISTOR CIRCUITS
120 VOLT CIRCUITS
J3-3
P3
P4
J3-1
J3-2
J3-6
J3-5
J3-4
J2-1
J3-7
J5-1,2
J2-4
J2-3
J2-2
J4-5
J5-3,4
J5-7
J6-1
J5-8
J4-2
J4-1
J6-3
J4-4
J4-3
J4-6
12VDC POWER SUPPLY FOR DISPLAY BOARD
GROUND FOR DISPLAY BOARD POWER SUPPLY
SERIAL DATA RECEIVE
SENSES EVAPORATOR TEMPERATURE
SENSES IF LOWER DOOR OPEN
POWERS COMPRESSOR AND CONDENSER FAN
POWERS EVAPORATOR FAN
POWER INTO BOARD
NEUTRAL INTO BOARD
NOT USED
NOT USED
NOT USED
EVAPORATOR FAN
COMPRESSOR
POWER IN
LIGHTS
NOT USED
NOT USED
POWERS LIGHTS
REF COMPARTMENT
DISPLAY WIRING
EVAPORATOR
DISPLAY WIRING
DISPLAY WIRING
EVAPORATOR
BAFFLE OPEN
BAFFLE NEUTRAL
WHITE
PURPLE
BLACK
RED
YELLOW
ORANGE
ORANGE
BLUE/RED
WHITE
YELLOW
ORANGE/RED
RED
SENSES REF CABINET TEMPERATURE
CAB
BLUE/BLACK
N
BAFFLE NEUTRAL
YELLOW/RED
PULSED TO CLOSE NEUTRAL
YELLOW/BLACK
YELLOW/WHITE
PULSED TO OPEN NEUTRAL
DEFROST
ICE
FAN 1
R DOOR
DEF
ICE
POWERS DEFROST CIRCUIT
BLUE
SENSES WHEN DEFROST HEATER SHUTS OFF
CAB SENSES FREEZER CABINET TEMP
BLUE/WHITE
CIRCUIT
TERMINAL
MAIN CONTROL BOARD SUMMARY
DESCRIPTION
FUNCTION COLOR
-This wiring information is provided for use by qualified
service personnel only.
-Disconnect appliance from electrical supply before
beginning service.
-Be sure all grounding devices are connected when
service is complete.
-Failure to observe the above warnings may result in
severe electrical shock.
2
1
2
1
ORANGE
YELLOW
PIN 1
PIN 1
2
3
4
RED
WHITE
1
2
4
1
J3
J2
ORANGE
YELLOW
YELLOW
ORANGE
1
2
WHITE
PLAIN
GREEN
RIBBED
1 BLACK
2 WHITE
L1
L2
1 PURPLE
2 WHITE
3 GRN/YL STP
2 BROWN
1 BLUE
WHITE
WHITE
PURPLE
WHITE
GREEN
BLACK
BLACK
BLACK
WHITE
GREEN W/YELLOW STRIPE
PURPLE
TAN
WHITE
GREEN/YELLOW STRIPE
YELLOW/RED STRIPE
YELLOW/BLACK STRIPE
YELLOW/WHITE STRIPE
1
1
1
1
J4
J5
J6
J2
P1
J3
P2
P4
P3
1
MAIN
BOARD
BLACK
PURPLE
YELLOW
RED
WHITE
9
YELLOW/BLACK
ORANGE
RED
WHITE
YELLOW
ORANGE
ORANGE/BLACK STRIPE
RED
WHITE
11
3
YELLOW
4
BLUE/BLACK STRIPE
BLUE/BLACK STRIPE
3
2
1
ORANGE
RED
ORANGE
BLUE/RED STRIPE
ORNG/RED STRIPE
3
6
6
5
ORANGE
14
1
10
18
17
WHITE
RED
BLACK
ORANGE
YELLOW
8
YELLOW/WHITE STRIPE
YELLOW/BLACK STRIPE
YELLOW/RED STRIPE
PINK
4
WHITE
TAN
GRN/YLW
1
2
3
2
1
4
5
BLUE
GRAY/WHITE
13
2
GRAY/WHITE
BLUE/WHITE STRIPE
BLUE/WHITE STRIPE
YELLOW/WHITE
7
6
YELLOW/RED
5
WHITE
WHITE
RED
WHITE
RED
SENSOR
UPPER
REF LIGHT
MOTOR
REF FAN
(REF CAB)
SENSOR
(EVAP)
THERMAL
FUSE
ICEMAKER
DEFROST
HEATER
BLACK
BLACK
GRAY/WHITE STRIPE
GRAY/WHITE STRIPE
BLUE
DEFROST
TERMINATOR
GRAY
BLUE
(FZ CAB)
SENSOR
J5
J4
J6
J3
J2
JACKET CABLE
(MARKED WITH GREEN STRIPE)
JACKET CABLE
(MARKED WITH 2 GREEN STRIPES)
JACKET CABLE
(MARKED WITH
2 BLUE STRIPES)
MFG TEST
TERMINALS
COMPRESSOR
CORD
SUPPLY
POWER
CONDENSER FAN MOTOR
PIN 1
PIN 1
PIN 1
PIN 1
MAIN CONTROL BOARD DETAIL
PIN 1
SWITCH LIGHT
DISPLAY BOARD
REF AIR DUCT
BAFFLE
SOLENOID
ICEMAKER
(OPTIONAL)
P2
P1
P4
P3
WIRING DIAGRAM
MODEL UC-24C
P/N 7002956 REV A
PURPLE
Wire Diagrams & Schematics
Under Counter (UC-24) Series
10-2
#7003933 - Revision B - November, 2007
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