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WIRING DIAGRAMS
YL/PK
RD
VSM
16 PIN
PLUG
L1
CHS
C
T1
N
VSM
G
4
5
6
PLF
VSTB
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
50
LPS
CNT
CCR
0
0
LVDR
0-RV
C-RV
YL
W
Y
HVDR
Y
PS2
H
RCCF
YL
RD
PU
CONTROL
BOX
RD
DFT
B
K
B
K
RVC
L2
SUPPLY VOLTAGE
208-230/1/60
SEE NOTE 7
CH
T2
C
R
C
COMP
C
DF1
DF2
HVDR
S
H
RCCF
F
S.A.
CM
SEE NOTE 3
L
208-230
SEE NOTE 2
2
1
3
TR
C
R W2 O W1
G
Y1
YCON
COM
W/
R
O
E/
Y\
G
C
Y1
W2
Y2
W1
THERMOSTAT
SEE NOTE 2
RD
BK
PU
1
2
3
C
208
240
TR
BL
24V
RD
RD
BR
WH
WH
BL
PLF
3
6
9
C
F
2
5
8
RD
4
7
1
SA
SEE NOTE 3
PU
BR
BL/PK
BK
PU
CM
HPS
COMPONENT LEGEND
C
CONTACTOR
CCR
COMPRESSOR CONTACTOR RELAY
CH
CRANKCASE HEATER
CHS
CRANKCASE HEATER SWITCH
CM
CONDENSER MOTOR
COMP
COMPRESSOR
CSR
COMPRESSOR SOLENOID RELAY
DC
DEFROST CONTROL
DFT
DEFROST THERMOSTAT
GND
EQUIPMENT GROUND
HPS
HIGH PRESSURE SWITCH
HVDR
HIGH VOLTAGE DEFROST RELAY
LPS
LOW PRESSURE SWITCH
LVDR
LOW VOLTAGE DEFROST RELAY
LVJB
LOW VOLTAGE JUNCTION BOX
PLF
FEMALE PLUG / CONNECTOR
RVC
REVERSING VALVE COIL
RCCF
RUN CAPACITOR FOR
COMPRESSOR AND FAN
SA
START ASSIST
SOL
HI STAGE SOLENOID
TR
TRANSFORMER
VSM
VARIABLE SPEED MOTOR
VSTB
VARIABLE SPEED TERM BLOCK
EQUIPMENT GROUND
JUNCTION
TERMINAL
INTERNAL TO
INTEGRATED CONTROL
PLUG CONNECTION
NOTES:
1. REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE INSULATION AS
ORIGINAL (AT LEAST 105 C) USE COPPER CONDUCTOR ONLY.
2. FOR 208 VOLT TRANSFORMER OPERATION MOVE PURPLE AND RED WIRES
FROM TERMINAL 3 TO TERMINAL 2 ON TRANSFORMER.
3. START ASSIST FACTOR EQUIPPED WHEN REQUIRED
4. USE COPPER CONDUCTORS ONLY
++
USE N.E.C. CLASS 2 WIRE
5. SET DIP SWITCH 4 ON VSTB TO OFF POSITION
6. REFER TO IO FOR FAN SPEED SETTINGS
7. CRANKCASE HEATER AND CRANKCASE HEATER SWITCH FACTORY EQUIPPED
WHEN REQUIRED.
8. DOUBLE POLE CONTACTOR SHOWN. SINGLE POLE CONTACTOR
COULD BE FACTORY EQUIPPED AS AN ALTERNATE CONFIGURATION.
9. COMMON SIDE OF CONTACTOR CAN NOT BE GROUNDED OR
CONNECTED TO ANY OTHER COMMON (24V).
SEE UNIT RATING PLATE FOR TYPE AND SIZE
OF OVER CURRENT PROTECTION
APH16[24-42]H41**
SEE NOTE 9
SEE NOTE 8
PU
BK
PU
RD
T2
L2
RD
C
SEE NOTE 4
BK
T1
L1
BK
PU
GND
RD
OR
WH
BR
OR
BR
RD
GR
YL
RD
BK
BK
YL
CH
S
C R
BK
COMP
FACTORY WIRING
LINE VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH
VOLTAGE
FIELD WIRING
HIGH VOLTAGE
LOW VOLTAGE
WIRE CODE
BK
BLACK
BL
BLUE
BR
BROWN
GR
GREEN
OR
ORANGE
PU
PURPLE
RD
RED
WH
WHITE
YL
YELLOW
FIELD GROUND
FIELD SPLICE
SWITCH (TEMP)
IGNITER
SWITCH (PRESS.)
OVERCURRENT
PROT. DEVICE
2
0
8
-
2
3
0
/
1
/
60
SEE
NOTES
5 & 6
LVJB
T
W1
H
W2
E
O
R
BL
C
M
R
O
S
G
T
Y1/Y2
A
T
++
SEE
NOTE 7
GR
BK
0140G03659-A
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