Ergystar Machines - Manitowoc SD0302A Technician's Handbook

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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
S
R
C
COMPRESSOR
TERMINAL LAYOUT
VIEWED FROM END
OF COMPRESSOR
OVERLOAD INTERNAL
(230V 50/60 HZ)
(42)
(46)
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
manuals search engine
(20)
AIR PUMP
(61)
WHEN USED
CONTROL BOARD
(2)
(6) (60)
HARVEST
(5) SOLENOID
(1)
(7)
(4)
(57)
(98)
TRANS.
FUSE (7A)
(59)
(58)
(55)
CLEAN
LEFT BIN
RIGHT BIN (56)
RMT BIN
WTR PROBE
ICE PROBE
HARV
SL-1
SL-2
(9)
(8)
BIN SWITCH
(6)
LOW D.C.
VOLTAGE
PLUG
CLEAN
OFF
(1)
ICE
(2)
COMPRESSOR
R
RUN
S
CAPACITOR
C
(47)
(53)
(48)
START
5 2
(44)
CAPACITOR
POTENTIAL 4
1
RELAY
(52)
(45)
(85)
FAN MOTOR
(AIR COOLED ONLY)
FAN CYCLE CONTROL
RUN CAPACITOR**
WATER VALVE
(21)
L2 OR N
(22)
(28)
(27)
(99)
(77)
(80)
(76)
(81)
DUMP
SOLENOID
WATER
PUMP
TERMINATES AT
PIN CONNECTION
CONTACTOR
COIL
(75)
(74)
POTENTIAL
(47)
RELAY
START
CAPACITOR
(48)
5 2
(44)
(46)
4 1
(45)
(49)
(50)
WIRING FOR S300 ONLY
(NO RUN CAPACITOR)
(49)
(50)
279