ON/OFF
SWITCH
ON/OFF
SWITCH
O
W
BK
*
*
GN
W
BN/W
W
Y
W
FAN CYCLING
PRESSURE
SWITCH
(A/C ONLY)
HARVEST ASSIST
SOLENOID 1
ICE
THICKNESS
PROBE
CURTAIN
SWITCH 2
(2 PLATE UNITS ONLY)
CURTAIN
SWITCH 1
CURTAIN SWITCH
J6
1234
CAUTION: PTCR WILL BE HOT.
COMPRESSOR MAY NOT START IF
PTCR IS NOT ALLOWED TO COOL
MOT
FAN
(WHEN 2ND
FAN IS PRESENT)
W/Y
(AC ONLY)
(AIR COOLED ONLY)
FAN
MOTOR
Y
HIGH
PRESSURE
CONTROL
SEE NOTE 4
L1 T1
L2
T2
CONTACTOR
LINE
LOAD
TRANSFORMER
MOT
PUMP
SOLENOID
SOLENOID
HOT GAS
WATER
TERMINAL BOX
C1
S2
R3
COMPRESSOR
W
BK
R
USE COPPER CONDUCTORS ONLY
THIS UNIT MUST
BE GROUNDED.
CAUTION:
MORE THAN ONE DISCONNECT MEANS MAY BE
REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT.
17-3123-01
RUN
CAP
PTCR
POWER SUPPLY
SEE NAMEPLATE FOR
PROPER VOLTAGE REQUIREMENTS
AND MAXIMUM FUSE SIZE
L1
N (115/60/1 UNITS)
L2 (230/60/1 UNITS)
LINE
12V
TRANSFORMER
HOT GAS VALVE
WATER VALVE
CONTACTOR
COIL
COMPRESSOR
RUN
CAP.
WATER
PUMP
PTCR
CONTACTOR T1
WATER
LEVEL
SENSOR
SUMP
TEMP.
DISCHARGE
TEMP.
ELECTRONIC CONTROL
BN
W
BU
W
BK
W
O
R/W
V
BN/W
ELECTRONIC
CONTROL
BK
Y
R
W/R
W/R
W
DUMP
VALVE
BK
DUMP
VALVE
HIGH PRESSURE
CONTROL
MOT
FAN
W
BN
FAN
MOTOR
(WHEN APPLICABLE)
(AC ONLY)
4321
J1
3
2
1
J9
7654321
J2
2
1
J8
2
1
J7
R
8
FAN CYCLING PRESSURE
CONTROL SWITCH
(AIR COOLED ONLY)
BN
DISCHARGE
TEMP.
SENSOR
SUMP TEMP.
SENSOR
WATER
LEVEL
SENSOR
W
BK
R
EARTH GROUND
J10
HARV ASSIST
SOLENOID
ICE
THICKNESS
PROBE
BK
W
GN/Y
GN/Y
SEE NOTE 4
PROTECTOR
INTERNAL
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