Q270 - Manitowoc QM20 Technician's Handbook

Q270

Tecumseh Compressor
L1
DIAGRAM SHOWN DURING THE FREEZE CYCLE.
ICE
THICKNESS
PROBE
CONTROL
BOARD
SWITCH
LIGHT
(GREEN)
HARVEST
3
2
1
TRANS. FUSE (10A)
HIGH PRES.
CUTOUT
(14)
CONTACTOR
CONTACTS
(15)
(49)
COMPRES-
CAPACI-
SOR
(47)
R
C S (48)
(43)
5 2
START RELAY
230V OPTION
Part Number 80-01111-9 7/10
CAUTION: DISCONNECT POWER BEFORE
WORKING ON ELECTRICAL CIRCUITRY.
SEE SERIAL PLATE FOR VOLTAGE
(22)
BIN SWITCH
(23)
(20)
BIN
LIGHT
(RED)
FAN CYCLE
(4)
CONTROL
(12)
(43)
RUN
TOR
(46)
(16)
R
R
(44) S S
1
START
CAPACITOR
(24)
TOGGLE SWITCH
(21)
CONTACTOR COIL
(3)
(2)
SOLENOID
(6)
(5)
FAN MOTOR
(AIR COOLED
ONLY)
COMPRESSOR
R
S
(47)
(48)
C
S
2
(7)
START RELAY
(CURRENT
(2)
TYPE)
(45)
115V OPTION
( ) - WIRE NUMBER DESIGNATION
(IS MARKED AT EACH END OF WIRE)
—<<— - FEMALE/MALE CONNECTOR
ON
OFF
WASH
(10)
HOT GAS
(7)
WATER
PUMP
(8)
(9)
(7)
(49)
1
L
M
(45)
S S
(44)
START
CAPACITOR
L2 (N)
(16)
(2)
(16)
SV1777
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