Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
DFT
RD
CC
L1
L2
L3
BL
RD
GY
GR
YL
PU
WH
BR
BK
9
8
7
6
5
4
3
2
1
4
3
2
1
4
3
2
1
CCH
BK
2
1
2
1
BK
RD BK
CHR
CHR
L1
L2
T3
COMP
L3
T1
T2
BK
L3
L1
CM
GND
LINE
VOLTAGE
PU
BR
BK
PU
BR
BK
RD
OR
BK
RD
OR
RD
L2
4
208-230/460/575V/3PH/60Hz
FB1
5
IREDE
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
BK
BK
RD
OR
F1
F1
F1
BK
L1
T1
CMC
L2
T2
OR
FB2
F2
F2
RD
BK
RD
BK
PU
BK
5
FC
GR
GR
M
1~
M
3~
FB3
F3
F3
F3
5
GR
BK
RD
OR
GR
BM
PLF2
PLM2
BK
RD
OR
BM
PLM1
L1
L2
T3
L3
T1
T2
BK
RD
OR
BC
M
3~
GR
GR
BK
PLF
PLM
CM
YL
BK
0140L07142
2 4
6 8
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
OPTIONAL LOW VOLTAGE
CHASSIS GROUND
E IRING
IRING
HIGH VOLTAGE
LOW VOLTAGE
EARTH GROUND
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
FC FAN CAPACITOR
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
RVC REVERSING VALVE COIL
TB TERMINAL BLOCK
TR TRANSFORMER
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
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 240/460/575V 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, & 4 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
CNE EGEND
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
9
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
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.
OUTDOOR TEMPERATURE SENSOR USED ON 3, 4 & 5
TON HP UNITS.
ALTERNATE 2-SPEED ECM CONDENSER FAN MOTOR.
USED ON 575V MODEL.
PRIMARY : 575V
SECONDARY : 230V
1KVA/60 HERTZ
ALTERNATE 1 PHASE INDOOR BLOWER MOTOR
NES
9
8
7
10
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
BL
9
8
7
6
5
4
3
2
1
GR
YL
PU
BR
BL
BM
PLF1
WH
GY
GY
GY
BL
11
GR
RD
PU
YL
GR
WH
BR
PLM2
BM
PLF2
PLM1
BM
5
4
3
2
1
BM
BL
N
G
L
C
N
G
L
C
M
1~
TB2 - C,D
2
3
5
4
PU
YL
GR
WH
BR
1
PLF1
TB1 - T1
TB1 - T2
TB1 - T3
TB1 - T4
TB1 - T5
12
1 PHASE BLOWER MOTOR
L1
L2
T1
T2
BC
BK
BK
RD
12
BR
PU
PK
GR WHBLBL YL PU OR
GY
ECON
ES
CCP
PLF2
BM
CB
COM
TR1
GR
L1PB L2 L3
BK
RD
OR
BK
RD
OR
6B
6B
CM
G
GR
M
1~
BK
BR
10
2-SPEED ECM MOTOR
1
2
3
COM
HIGH
LOW
TR
CM PLF-2
CMC - T2
11
BK
BR
BK
PU
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
230V & 460V
575V
FB4
F4
F4
5
BK
PU
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