Q270 - Manitowoc QM20 Technician's Handbook

Q270

Danfoss Compressor
NOTE: DIAGRAM SHOWN DURING THE FREEZE CYCLE.
L1
ICE THICKNESS
PROBE
CONTROL
BOARD
SWITCH
LIGHT
(GREEN)
HARVEST
3
2
1
TRANS.
HIGH PRES.
CUTOUT
(14)
(15)
RELAY
CONTACTS
226
SEE SERIAL PLATE FOR VOLTAGE
(22)
BIN SWITCH
(23)
BIN
LIGHT
(RED)
FUSE
(5)
(4)
(12)
FAN CYCLE
CONTROL
(13)
TOGGLE SWITCH
(24)
WASH
(20)
(21)
(2)
RELAY
(3)
HOT GAS
SOLENOID
(6)
WATER PUMP
FAN MOTOR
(AIR COOLED ONLY)
COMPRESSOR
3
Part Number 80-01111-9 7/10
ON
OFF
(10)
(7)
(8)
(9)
START
11
R
CAPACITOR
13
C
S
10
L2 (N)
(11)