Q320 - Self Contained; Phase Without Terminal Board - Manitowoc Q450 Service Technician's Handbook

Q320 - Self Contained -

1 Phase Without Terminal Board

CAUTION: DISCONNECT POWER BEFORE WORKING
DIAGRAM SHOWN DURING FREEZE CYCLE
L1
SEE SERIAL PLATE FOR VOLTAGE
(55)
(89)
HIGH PRES
CUTOUT
(88)
ICE THICKNESS PROBE
WATER LEVEL PROBE
NOT USED
BIN SWITCH
(64)
CONTACTOR
CONTACTS
(42) (48)
L1
(51)
ON ELECTRICAL CIRCUITRY.
3
3
4
2
1
5
TRANS.
FUSE (7A)
1C
1F
1G LOW D.C.
VOLTAGE
PLUG
(62)
(63)
(65)
(67)
(66)
COMPRESSOR
S
R
C
*OVERLOAD
(86)
(85)
FAN CYCLE CONTROL
(20)
(61)
(60)
(57)
(58)
CLEAN LIGHT
WATER LEVEL
BIN SWITCH LIGHT
HARVEST LIGHT/
SAFETY LIMIT CODE LIGHT
TOGGLE SWITCH
(68)
ICE
(69)
INTERNAL WORKING
OFF
VIEW
CLEAN
(62)
(49)
(47)
PTCR
FAN MOTOR
(AIR COOLED ONLY)
RUN CAPACITOR**
COMPRESSOR
OVERLOAD
(48)
–28–
WATER
VALVE
(22)
HARVEST
SOLENOID
(77)
(80)
(75)
(76)
(81)
DUMP
SOLENOID
(99)
(98)
WATER
PUMP
(59) TERMINATES AT
PIN CONNECTION
CONTACTOR
COIL
(56)
(74)
VIEW FOR WIRING
68
66
62
69
(50)
(49)
RUN CAPACITOR
(47)
R
(46)
(45)
PTCR
SV2070
L2 (N)
67
R
(50)