5010330 MDH Front Serviceable Series
Installation and Service Manual
EXPLODED VIEWS, PARTS & DIAGRAMS MDH 302 115V WIRING DIAGRAM TO RESET TRANSFORMER:
CAUTION
(115 VOLT UNITS ONLY)
1. DISCONNECT POWER SUPPLY. 2. PRESS RESET BREAKER SWITCH ON TRANSFORMER. 3. REPLACE MERCHANDISER (FRONT ENCLOSURE). 4. RECONNECT POWER SUPPLY.
ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING
OPTIONAL MERCHANDISING LAMP
BLACK
OPTIONAL MERCHANDISING LAMP
BALLAST
BALLAST
ICE DISPENSE SWITCH
BLUE BLUE
LINE LOAD LOAD
WHITE
WHITE
LINE RED
WHITE
LINE
OPTIONAL AUDIBLE ALARM BLUE
BLACK
1
BLACK
BLACK
GRAY
LOAD
OUT
ORANGE
4
3 5
COMMON
PURPLE
PURPLE
YELLOW
2
LINE LOAD
NO NC YELLOW
OPTIONAL AGITATION TIMER
BLACK
ICE DISPENSE SWITCH
IN
BLUE
BLACK
BLUE
BLUE
NO NC
TRANSFORMER
BUZZER 3
RED
2 1
LIGHT
BLACK
STARTER
LIGHT
WHITE
STARTER
TIMER
G WHITE BLUE
VALVE KEYSWITCH
WHITE
OPTIONAL
OPTIONAL EMPTY LIGHT
POWER CORD BLUE
BLUE
WHITE
COMMON
BLACK
TRANSFORMER
BLACK
OPTIONAL THERMOSTAT
PUSH
WHITE
BLUE
BEVERAGE VALVES ALL REMAINING VALVES ARE WIRED IN PARALLEL
LEFT MOTOR
PUSH
BLACK
RIGHT MOTOR
BEVERAGE VALVES ALL REMAINING VALVES ARE WIRED IN PARALLEL
5029415 REV. 0
41
EXPLODED VIEWS, PARTS & DIAGRAMS MDH 302 220V WIRING HARNESS CAUTION
220/240 VOLT
ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING OPTIONAL MERCHANDISING LAMP
BLUE
BLUE
BALLAST
ICE DISPENSE SWITCH
BLACK BLACK
5
LOAD
1
LINE LOAD LOAD
WHITE
WHITE
LINE WHITE
BLACK BROWN
LINE
OPTIONAL AUDIBLE ALARM BLUE
LOAD
GRAY
BLACK
3
BLUE BLUE
4
BLACK
LINE
WHITE
TRANSFORMER
WHITE
YELLOW 2
OUT
YELLOW
OPTIONAL AGITATION TIMER
BLACK
ICE DISPENSE SWITCH
NO NC
IN
BLUE
ORANGE
NO NC
BLUE
BLACK
BLUE
OPTIONAL THERMOSTAT
COMMON
WHITE
BALLAST
RED
RED
BLUE
TRANSFORMER
BLUE
RED RED
BLUE BLUE
COMMON
BLUE
BLUE
OPTIONAL MERCHANDISING LAMP
BUZZER 3 2 1
TIMER
BLUE WHITE
BLACK WHITE
OPTIONAL
L1 N
WHITE
BLUE
VALVE KEYSWITCH
BLUE BROWN OPTIONAL EMPTY LIGHT
G BLUE
WHITE
BLUE
PUSH
WHITE
BLUE
BEVERAGE VALVES ALL REMAINING VALVES ARE WIRED IN PARALLEL
42
LEFT MOTOR
PUSH
BLACK
RIGHT MOTOR
BEVERAGE VALVES ALL REMAINING VALVES ARE WIRED IN PARALLEL
5029431 REV. 0
Installation and Service Manual
EXPLODED VIEWS, PARTS & DIAGRAMS MDH 402 115V WIRING DIAGRAM
43
EXPLODED VIEWS, PARTS & DIAGRAMS MDH 402 220V WIRING DIAGRAM TO RESET TRANSFORMER:
CAUTION
MDH-402
(115 VOLT UNITS ONLY)
1. DISCONNECT POWER SUPPLY. 2. PRESS RESET BREAKER SWITCH ON TRANSFORMER. 3. REPLACE MERCHANDISER (FRONT ENCLOSURE). 4. RECONNECT POWER SUPPLY.
ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING
DWG#: 5029432 REV. 0
220/240 VOLT
RED
WHITE
RED
WHITE
OPTIONAL MERCHANDISING LAMP
OPTIONAL MERCHANDISING LAMP BLACK
BLACK
PURPLE
PURPLE
PURPLE
PURPLE
BALLAST
BALLAST
BLACK
LIGHT STARTER
LIGHT STARTER
BLACK
RED
WHITE
RED
WHITE
MERCHANDISING LAMP
MERCHANDISING LAMP
BLACK
BLACK PURPLE
WHITE
LINE
WHITE
LOAD
BLUE BLACK
LOAD LINE
BLACK
LIGHT STARTER
BLUE YELLOW
BLUE
NO
COMMON
NC
ICE DISPENSE SWITCH
BLACK
MOTOR
WHITE
VALVE KEYSWITCH
44
YELLOW
BLACK
NO
ICE DISPENSE SWITCH
BLACK
MOTOR
PUSH
PUSH
BLACK
PUSH
BLACK
BLACK
WHITE
WHITE
WHITE
BEVERAGE VALVE
BEVERAGE VALVE
ALL ADDITIONAL VALVES ARE WIRED IN PARALLEL
COMMON
NC
BLACK
PUSH
ALL ADDITIONAL VALVES ARE WIRED IN PARALLEL
BLUE BLUE
L1 N
OPTIONAL
BLACK
WHITE
LINE
BLACK
BLUE
WHITE
LOAD
BLACK
BLACK
OPTIONAL
BEVERAGE VALVE
LOAD
BLACK
PURPLE
BLACK
LINE
WHITE BLUE
WHITE
WHITE
VALVE KEYSWITCH
WHITE
1
G
BLACK
BLACK 5
BROWN
WHITE
BLACK
4
2 3
LIGHT STARTER
WHITE
RED
WHITE
WHITE BLACK
TRANSFORMER
YELLOW
BLACK 1
TRANSFORMER
RED
YELLOW
4
3 5
BLACK
OPTIONAL AGITATION TIMER
WHITE BLACK
2
WHITE
BALLAST
BLACK
WHITE
BALLAST
OPTIONAL AGITATION TIMER
PURPLE
PURPLE
BEVERAGE VALVE
BLACK
EXPLODED VIEWS, PARTS & DIAGRAMS MDH 302 115V WIRING DIAGRAM TO RESET TRANSFORMER:
CAUTION
(115 VOLT UNITS ONLY)
1. DISCONNECT POWER SUPPLY. 2. PRESS RESET BREAKER SWITCH ON TRANSFORMER. 3. REPLACE MERCHANDISER (FRONT ENCLOSURE). 4. RECONNECT POWER SUPPLY.
ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING
OPTIONAL MERCHANDISING LAMP
BLACK
OPTIONAL MERCHANDISING LAMP
BALLAST
BALLAST
ICE DISPENSE SWITCH
BLUE BLUE
LINE LOAD LOAD
WHITE
WHITE
LINE RED
WHITE
LINE
OPTIONAL AUDIBLE ALARM BLUE
BLACK
1
BLACK
BLACK
GRAY
LOAD
OUT
ORANGE
4
3 5
COMMON
PURPLE
PURPLE
YELLOW
2
LINE LOAD
NO NC YELLOW
OPTIONAL AGITATION TIMER
BLACK
ICE DISPENSE SWITCH
IN
BLUE
BLACK
BLUE
BLUE
NO NC
TRANSFORMER
BUZZER 3
RED
2 1
LIGHT
BLACK
STARTER
LIGHT
WHITE
STARTER
TIMER
G WHITE BLUE
VALVE KEYSWITCH
WHITE
OPTIONAL
OPTIONAL EMPTY LIGHT
POWER CORD BLUE
BLUE
WHITE
COMMON
BLACK
TRANSFORMER
BLACK
OPTIONAL THERMOSTAT
PUSH
WHITE
BLUE
BEVERAGE VALVES ALL REMAINING VALVES ARE WIRED IN PARALLEL
LEFT MOTOR
PUSH
BLACK
RIGHT MOTOR
BEVERAGE VALVES ALL REMAINING VALVES ARE WIRED IN PARALLEL
5029415 REV. 0
41
EXPLODED VIEWS, PARTS & DIAGRAMS MDH 302 220V WIRING HARNESS CAUTION
220/240 VOLT
ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING OPTIONAL MERCHANDISING LAMP
BLUE
BLUE
BALLAST
ICE DISPENSE SWITCH
BLACK BLACK
5
LOAD
1
LINE LOAD LOAD
WHITE
WHITE
LINE WHITE
BLACK BROWN
LINE
OPTIONAL AUDIBLE ALARM BLUE
LOAD
GRAY
BLACK
3
BLUE BLUE
4
BLACK
LINE
WHITE
TRANSFORMER
WHITE
YELLOW 2
OUT
YELLOW
OPTIONAL AGITATION TIMER
BLACK
ICE DISPENSE SWITCH
NO NC
IN
BLUE
ORANGE
NO NC
BLUE
BLACK
BLUE
OPTIONAL THERMOSTAT
COMMON
WHITE
BALLAST
RED
RED
BLUE
TRANSFORMER
BLUE
RED RED
BLUE BLUE
COMMON
BLUE
BLUE
OPTIONAL MERCHANDISING LAMP
BUZZER 3 2 1
TIMER
BLUE WHITE
BLACK WHITE
OPTIONAL
L1 N
WHITE
BLUE
VALVE KEYSWITCH
BLUE BROWN OPTIONAL EMPTY LIGHT
G BLUE
WHITE
BLUE
PUSH
WHITE
BLUE
BEVERAGE VALVES ALL REMAINING VALVES ARE WIRED IN PARALLEL
42
LEFT MOTOR
PUSH
BLACK
RIGHT MOTOR
BEVERAGE VALVES ALL REMAINING VALVES ARE WIRED IN PARALLEL
5029431 REV. 0
Installation and Service Manual
EXPLODED VIEWS, PARTS & DIAGRAMS MDH 402 115V WIRING DIAGRAM
43
EXPLODED VIEWS, PARTS & DIAGRAMS MDH 402 220V WIRING DIAGRAM TO RESET TRANSFORMER:
CAUTION
MDH-402
(115 VOLT UNITS ONLY)
1. DISCONNECT POWER SUPPLY. 2. PRESS RESET BREAKER SWITCH ON TRANSFORMER. 3. REPLACE MERCHANDISER (FRONT ENCLOSURE). 4. RECONNECT POWER SUPPLY.
ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING
DWG#: 5029432 REV. 0
220/240 VOLT
RED
WHITE
RED
WHITE
OPTIONAL MERCHANDISING LAMP
OPTIONAL MERCHANDISING LAMP BLACK
BLACK
PURPLE
PURPLE
PURPLE
PURPLE
BALLAST
BALLAST
BLACK
LIGHT STARTER
LIGHT STARTER
BLACK
RED
WHITE
RED
WHITE
MERCHANDISING LAMP
MERCHANDISING LAMP
BLACK
BLACK PURPLE
WHITE
LINE
WHITE
LOAD
BLUE BLACK
LOAD LINE
BLACK
LIGHT STARTER
BLUE YELLOW
BLUE
NO
COMMON
NC
ICE DISPENSE SWITCH
BLACK
MOTOR
WHITE
VALVE KEYSWITCH
44
YELLOW
BLACK
NO
ICE DISPENSE SWITCH
BLACK
MOTOR
PUSH
PUSH
BLACK
PUSH
BLACK
BLACK
WHITE
WHITE
WHITE
BEVERAGE VALVE
BEVERAGE VALVE
ALL ADDITIONAL VALVES ARE WIRED IN PARALLEL
COMMON
NC
BLACK
PUSH
ALL ADDITIONAL VALVES ARE WIRED IN PARALLEL
BLUE BLUE
L1 N
OPTIONAL
BLACK
WHITE
LINE
BLACK
BLUE
WHITE
LOAD
BLACK
BLACK
OPTIONAL
BEVERAGE VALVE
LOAD
BLACK
PURPLE
BLACK
LINE
WHITE BLUE
WHITE
WHITE
VALVE KEYSWITCH
WHITE
1
G
BLACK
BLACK 5
BROWN
WHITE
BLACK
4
2 3
LIGHT STARTER
WHITE
RED
WHITE
WHITE BLACK
TRANSFORMER
YELLOW
BLACK 1
TRANSFORMER
RED
YELLOW
4
3 5
BLACK
OPTIONAL AGITATION TIMER
WHITE BLACK
2
WHITE
BALLAST
BLACK
WHITE
BALLAST
OPTIONAL AGITATION TIMER
PURPLE
PURPLE
BEVERAGE VALVE
BLACK
