Troubleshooting guide

56
EXPLODED VIEWS, PARTS & DIAGRAMS
MDH 402 220V WIRING DIAGRAM
PUSH PUSH
2
5
3
1
4
2
5
3
1
4
BROWN BLUE
G
STARTER
LIGHT
TIMER
AGITATION
OPTIONAL
KEYSWITCH
VALVE
OPTIONAL
SWITCH
ICE DISPENSE
BALLAST
VALVE
BEVERAGE
VALVE
BEVERAGE
MOTOR
TRANSFORMER
MERCHANDISING LAMP
CAUTION
ELECTRICAL SHOCK HAZARD
DISCONNECT POWER
BEFORE SERVICING
1. DISCONNECT POWER SUPPLY.
2. PRESS RESET BREAKER SWITCH
3. REPLACE MERCHANDISER
4. RECONNECT POWER SUPPLY.
TO RESET TRANSFORMER:
(115 VOLT UNITS ONLY)
ON TRANSFORMER.
(FRONT ENCLOSURE).
PUSH
BLUE
YELLOW
WHITE
BLACK
PURPLE
PURPLE
BLUE
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
WHITE
WHITE
BLACK
BLUE
WHITE
BLACK
BLACK
BLACK
220/240 VOLT
NO
NC
COMMON
LINE
LOAD
LOAD
LINE
ALL ADDITIONAL VALVES ARE WIRED IN PARALLEL
YELLOW
RED
WHITE
WHITE
WHITE
WHITE
ALL ADDITIONAL VALVES ARE WIRED IN PARALLEL
VALVE
KEYSWITCH
OPTIONAL
BLACK
WHITE
VALVE
BEVERAGE
STARTER
LIGHT
BLACK
BLACK
YELLOW
BEVERAGE
VALVE
WHITE
BLACK
BLUE
MOTOR
WHITE
BLUE
ICE DISPENSE
SWITCH
NO
NC
BLACK
COMMON
PUSH
AGITATION
PURPLE
RED
YELLOW
BLUE
WHITE
WHITE
TIMER
BLACK
OPTIONAL
BALLAST
LINE
LOAD
LINE
LOAD
BLACK
BLACK
BLACK
BLACK
WHITE
WHITE
BLACK
BLACK
TRANSFORMER
MERCHANDISING LAMP
PURPLE
WHITE
BLACK
WHITE
BLACK
WHITE
WHITE
RED WHITEWHITERED
MDH-402
OPTIONAL MERCHANDISING LAMP
BLACK
RED
WHITE
PURPLE
BALLAST
BLACK
STARTER
LIGHT
PURPLE
BALLAST
OPTIONAL MERCHANDISING LAMP
STARTER
LIGHT
BLACK
PURPLE
RED
BLACK
PURPLE
WHITE
DWG#: 5029432
REV. 0
L1 N