Troubleshooting guide

54
EXPLODED VIEWS, PARTS & DIAGRAMS
MDH 302 220V WIRING HARNESS
2
5
3
1
4
PUSH
PUSH
5029431
REV. 0
OPTIONAL MERCHANDISING LAMP
OPTIONAL MERCHANDISING LAMP
TIMER
AGITATION
OPTIONAL
BEVERAGE
VALVES
BEVERAGE
VALVES
EMPTY LIGHT
OPTIONAL
RIGHT MOTOR
VALVE
KEYSWITCH
OPTIONAL
SWITCH
ICE DISPENSE
TRANSFORMER
BALLAST
TRANSFORMER
SWITCH
ICE DISPENSE
BALLAST
LEFT MOTOR
CAUTION
RED
BLUE
BLUE
YELLOW
BLUE
WHITE
BLUE
BLUE
BLACK
ELECTRICAL SHOCK HAZARD
DISCONNECT POWER
BEFORE SERVICING
ORANGE
BLUE
BLUE
BLUE
NC
NO
LINE
LOAD
LOAD
LINE
NO
NC
LINE
LOAD
LOAD
LINE
ALL REMAINING VALVES ARE WIRED IN PARALLEL ALL REMAINING VALVES ARE WIRED IN PARALLEL
YELLOW
WHITE
WHITE
BLACK
WHITE
BLACK
BLACK
WHITE
BLACK
BLACK
BLACK
WHITE
WHITE
BLACK
WHITE
BLUE
WHITE
COMMON
COMMON
WHITE
BLUE
G
BLUE
BROWN
BLACK
BLUE
BROWN
WHITE
220/240 VOLT
RED
BLUE
RED RED
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
OPTIONAL
THERMOSTAT
BLUE
GRAY
TIMER
1
3
2
AUDIBLE ALARM
OPTIONAL
BUZZER
IN
OUT
NL1