Wiring Diagrams For Energy Efficient & Energystar Machines - Manitowoc S300 Technician's Handbook

WIRING DIAGRAMS FOR ENERGY EFFICIENT &
ENERGYSTAR MACHINES
S300/S420/S450/S500
Self-Contained - 1 Phase
SEE SERIAL PLATE FOR VOLTAGE
Caution: Disconnect Power Before Working on Electrical Circuitry
L1
(89)
HIGH PRESSURE
CUTOUT
(88)
ICE THICKNESS PROBE
WATER LEVEL PROBE
TERMINAL LAYOUT
VIEWED FROM END
OF COMPRESSOR
(42)
L1
CONTACTOR
CONTACTS
* - COMPRESSOR HAS
INTERNAL OVERLOAD
* * - SOME AIR COOLED MODELS
MAY NOT HAVE RUN CAPACITOR
ON FAN MOTOR
Part Number 80-1479-3 7/10
CONTROL BOARD
(2)
(6)
(5)
(1)
(7)
(4)
TRANS.
FUSE (7A)
CLEAN
LEFT BIN
RIGHT BIN
RMT BIN
WTR PROBE
ICE PROBE
HARV
SL-1
SL-2
LOW D.C.
VOLTAGE
PLUG
S
R
C
COMPRESSOR
R
C
OVERLOAD INTERNAL
(230V 50/60 HZ)
(48)
(46)
POTENTIAL
RELAY
(85)
FAN CYCLE CONTROL
(20)
(61)
(60)
(57)
(98)
(58)
(55)
(56)
(9)
(8)
BIN SWITCH
(6)
CLEAN
OFF
(1)
ICE
(2)
COMPRESSOR
RUN
S
CAPACITOR
(47)
(53)
START
2
5
(44)
CAPACITOR
4
1
(52)
(45)
(AIR COOLED ONLY)
RUN CAPACITOR**
WATER VALVE
(21)
(22)
AIR PUMP
WHEN USED
(28)
(27)
(99)
(77)
HARVEST (80)
SOLENOID
(76)
(81)
DUMP
SOLENOID
WATER
PUMP
(59)
TERMINATES AT
PIN CONNECTION
CONTACTOR
COIL
(75)
(74)
POTENTIAL
(47)
RELAY
(48)
5 2
(46)
4 1
(45)
(50)
WIRING FOR S300 ONLY
(NO RUN CAPACITOR)
(49)
FAN MOTOR
L2 OR N
START
CAPACITOR
(44)
(49)
(50)
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