Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
BC BLOWER CONTACTOR
BM BLOWER MOTOR
BR BLOWER RELAY
CB CIRCUIT BREAKER
CC COMPRESSOR CONTACTOR
CCH CRANKCASE HEATER
CCP COMPRESSOR/COIL PROTECTION
CHR CRANKCASE HEATER RELAY
CHS CRANKCASE HEATER SWITCH
CM CONDENSER MOTOR
CMC CONDENSER MOTOR CONTACTOR
COMP COMPRESSOR
CS COMPRESSOR SOLENOID (STAGE 2)
DFT DEFROST TEMPERATURE SWITCH
DR DEFROST RELAY
ECON ECONOMIZER
EHK ELECTRIC HEATER KIT
ES EMERGENCY SHUTDOWN
FB FUSE BLOCK
FPS FREEZE PROTECTION SWITCH
GND EQUIPMENT GROUND
HPS HIGH PRESSURE SWITCH
LPS LOW PRESSURE SWITCH
MAT MIXED AIR TEMPERATURE SENSOR
ODT OUTDOOR TEMPERATURE SENSOR
PB POWER DISTRIBUTION BLOCK
PLF FEMALE PLUG/CONNECTOR
PLM MALE PLUG/CONNECTOR
RC RUN CAPACITOR
RVC REVERSING VALVE COIL
TB TERMINAL BLOCK
TR TRANSFORMER
IREDE
REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE
OF INSULATION AS ORIGINAL (AT LEAST 105° C). USE
COPPER CONDUCTORS ONLY. USE N.E.C. CLASS 2
WIRE FOR ALL LOW VOLTAGE FIELD CONNECTIONS.
IF OPTIONAL ECONOMIZER IS INSTALLED REMOVE
ECON PLM JUMPER AND PLUG IN NEW HARNESS
FROM ECONOMIZER KIT
IF OPTIONAL ELECTRIC HEAT IS INSTALLED, PLUG IN
NEW HARNESS FROM ELECTRIC HEATER KIT.
TR1 PRIMARY (HIGH VOLTAGE) CONNECTIONS:
ORANGE WIRE CONNECTED TO 240V TAP AT THE
FACTORY AND BLACK WIRE TO COM TERMINAL. FOR
208V SUPPLY POWER, MOVE ORANGE WIRE FROM
240V TAP TO THE 208V TAP.
FUSE BLOCKS 1, 2, & 3 ARE OPTIONAL
IF OPTIONAL SAFETY EQUIPMENT SUCH AS A PHASE
MONITOR, FLOAT SWITCH OR SMOKE DETECTOR IS
INSTALLED, UNPLUG JUMPER PLUG AND PLUG IN
SAFETY DEVICE. IF MULTIPLE SAFETIES ARE
INSTALLED, PLUG IN THE ADDITIONAL DEVICES IN
SERIES. PLUG IN JUMPER PLUG AT THE LAST SAFETY
DEVICE INSTALLED.
NES
4
3
2
1
5
6A
BLACK
BLUE
BLUE WITH PINK STRIPE
BROWN
GREEN
GRAY
ORANGE
PINK
PURPLE
RED
TAN
WHITE
YELLOW
YELLOW WITH PINK STRIPE
BK
BL
BL/PK
BR
GR
GY
OR
PK
PU
RD
TN
WH
YL
YL/PK
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
OPTIONAL LOW VOLTAGE
CHASSIS GROUND
E IRING
IRING
HIGH VOLTAGE
LOW VOLTAGE
EARTH GROUND
CNE EGEND
PB
L1
GND
L2
LINE
VOLTAGE
FB1
F1
F1
BK
RD
208-230V/1PH/60Hz
L1
L2
T1
T2
C
S
CMBR
RD
GR
BK
GR
RD
FB3
F3
F3
5
BK
RD
RD
YL
BR
BK
PU
BK
RD
PU
BK
5
L1
L2
T1
T2
BK
BC
COMP
RC
COM
H
F
PU
PU
CMC
L1
L2
T1
T2
FB2
F2
F2
BK
RD
BK
RD
BK
PU
BR
5
R
BK
BK
OR
BL
PU
YL
GR
WH
BR
PLM2PLF2
BM
PLM1
BM
BM
BL
N
G
L
C
N
G
L
C
4
3
2
1
5
GR
GR
M
1~
M
1~
M
1~
CCH
BK
GR
RD BK
BK
BK
CC
BK
PLF
CM
PLM
2
1
2
1
YL
IF A THIRD PARTY SAFETY DEVICE IS FIELD INSTALLED,
CUT THE RED WIRE ON THE JUMPER PLUG AND WIRE A
NORMALLY CLOSED DRY CONTACT IN SERIES WITH
THE CUT WIRE.
24 VAC ALARM OUTPUT FROM OPTIONAL
ECONOMIZER CONTROL MODULE.
Y1 (YELLOW) AND Y2 (PURPLE) ARE FACTORY WIRED
TO BLOWER SPEED SPEED TAPS T1 AND T3
RESPECTIVELY. W1 (WHITE) AND W2 (BROWN) ARE
FACTORY WIRED TO T2 AND T3 RESPECTIVELY. IF
DIFFERENT SPEEDS ARE NEEDED, SEE IO MANUAL
FOR FURTHER DETAIL ON BLOWER SPEED TAPS.
ALTERNATE 2 SPEED ECM CONDENSER FAN MOTOR.
OUTDOOR TEMPERATURE SENSOR USED ON 3, 4 & 5
TON HP UNITS.
9
8
7
10
CHR
CHR
2 4
6 8
6B
0140L07139
DFT
4
V1
V2
PLM
PLF
PU
YL
TB1
PLM
PLF
RD
RD
PK
GRRD
PK
CS
YL
PU
BL
GR
WH
PK
2
BL
6A
TB1
W2
Y1
O
Y2
S2
R W1
C
S1
G DH T1 T2 T3 T4 T5
GY
YLWH PU
PU
WH BR
TB2
BA C D
BL
BL
CMC
A2
BL
CC
A1
A2
BL
12
11
10
9
8
7
6
5
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
RD
4
3
2
1
4
3
2
1
RD
BC
A1
A2
BL
GR YLWH PUBL
YL
BL
YL
O-RV
R-PS1
R-DFT
PS2
R
O
C-RV
C
C
DFT
DF1
DF2
PCBDM133
W
CNT
Y
EHK
PLF
9
8
7
6
5
4
3
2
1
RVC
V2 V1
BL
DR
1 3
BL
PK
YL
DR
2
4
PU
PU
PU
BL
BRBR
WH
YL
WH
PK
GY
BK
RD
RD
BL
BL
BL
BR
WHBL
BR
BK
GY
3
YL
A1
PK
PK
1
0
BR2
1 0
BR3
1 0
BR
WH
BL
BL
BL
BR4
PK
BR3
2
4
RD
PK
PK
ODT
PU
YL
2 1
10
BL
BL
YL
PU
YL
HPS
LPS
PLFPLM
BL
BL
YL
YL
BL/PK
YL/PK
YL/PK
BL/PK
PU
FPS
BK
BK
BK
BK
6
5
4
3
2
1
6
5
4
3
2
1
YL
PU
PU
YL
YL
PU
PU
7
PU YL
BR1
1
3
OR
BL
OR
PK
PK
YL BL
OR
CHR
1
0
CHS
PKRD RD
BL
BL OR
BR4
2
4
PU
PK
YL
GR
GR
BL
YL
WH
PU
8
8
6
BR1
BR3
6
PK
YL
BR
BK
WH
BR
PU
BR2
2
4
BR
PK
PK
WH
BR1
2
4
PK YL
MAT
PLF
2
1
BK
BK
8
5
4
3
2
1
GR
YL
PU
BR
BM
PLF1
WH
G
BR
PU
PK
GR WHBLBL YL PU OR
GY
ECON
ES
CCP
6B
CB
COM
TR1
GR
GR
M
1~
BK
BR
9
2-SPEED ECM CONDENSER MOTOR
1
2
3
COM
HIGH
LOW
CC - A1
TB1 - Y2
3
2
YL
WH
TB2 - C,D
BL
1
YL
PU
BL
CM PLF-2
CMC - T2
BK
BR
L
N
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