30
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
HI
G
H
VO
L
T
A
G
E
!
DI
S
C
O
N
NE
CT
A
L
L
PO
W
E
R
BE
FO
R
E
SE
R
V
IC
IN
G
O
R
I
N
S
T
A
L
L
IN
G
TH
IS
U
N
IT
.
M
U
L
T
IP
L
E
POW
E
R SO
UR
CES
M
A
Y BE
P
R
ES
EN
T
.
F
A
IL
UR
E
T
O
D
O
SO
M
A
Y
CAU
S
E
PR
OP
ER
TY
DAMA
G
E,
P
E
R
S
ON
AL
I
N
J
U
R
Y
O
R
DE
A
T
H
.
WIRING DIAGRAMS
BK
BK
RD
RD
OR
T1
0140L05763-A
POWER WIRING DIAGRAM
DCC(180-240)
DDC
LOW VOLTAGE
HIGH VOLTAGE
FIELD WIRING
LOW VOLTAGE
FACTORY WIRING
HIGH VOLTAGE
GR
GREEN
WIRE CODE
BL
BLUE
PU
PURPLE
PK
PINK
WH
WHITE
BK
BLACK
RD
RED
BR
BROWN
OR
ORANGE
YL
YELLOW
GY
GRAY
YL/PK YELLOW WITH
PINK STRIPE
BL/PK BLUE WITH
PINK STRIPE
OPTIONAL LOW VOLTAGE
OPTIONAL ACCESSORIES OR FIELD SUPPLIED
BLOWER CONTACTOR
BC
COMPRESSORCONTACTOR
COMPRESSOR
ECONOMIZER
HIGHPRESSURE SWITCH
POWER DISTRIBUTION BLOCK
FEMALE PLUG/CONNECTOR
TERMINALBLOCK(24V SIGNAL)
CC
COMP
ECON
HPS
PB
PLF
TB
COMPONENT LEGEND
CIRCUIT BREAKER
CB
TR
GND
BCS
BLOWER CURRENT SWITCH
BM
BLOWER MOTOR
CFS
CLOGGED FILTERSWITCH
CF
CONDENSERFAN
DAT
DISCHARGEAIR TEMPERATURESENSOR
DDC
DIRECT DIGITAL CONTROL
CO2
CARBONDIOXIDE SENSOR
FC
FAN CAPACITOR
EQUIPMENT GROUND
GV
GAS VALVE
EXF
EXHAUSTFAN
IAH
INDOORAIR HUMIDITYSENSOR
LOW PRESSURESWITCH
LPS
RSS
REMOTE START/STOP
OAT
OUTDOOR AIR TEMPERATURESENSOR
OAH
OUTDOOR AIR HUMIDITYSENSOR
LDS
LOAD SHEDDING
SPC
TEMP
SPACE TEMPERATURESENSOR
TRANSFORMER
ALRM
ALARM
HGRH HOT GAS REHEAT
SMK
SMOKE DETECTOR
ALS
AUXILIARY LIMIT SWITCH
IIC
INTEGRATED IGNITION CONTROL
LS
LIMIT SWITCH
FS
FLAME SENSE
PLM
MALE PLUG/CONNECTO
R
L1
L2
L3
T1
T2
T3
COMP 1
BM
L1
L2
L3
T1
T2
T3
RD
GY
BL
YL
RD
BL
BK
OR
RD
YL
BK
OR
GY
OR
RD
OR
RD
YL
BK
CCAS1
BC1
BC 2
CC1
PB
CCH1
GR
L1
L2
L3
GR
5
GND
L2
L3
L1
L1
L2
L3
LINE VOLTAGE
RD
7
L1
L2
L3
T2
T3
CB2
LOW
SPEED
L1
L2
L3
T1
T2
T3
CB1
HIGH
SPEED
L1
L2
L3
T1
T2
T3
RD
BK
RD
BK
OR
LINE
VOLTAGE
TR1
4
2,3
BK
OR
RD
OR
BK
BK
RD
OR
OR
OR
K
B
Y
G
BK
BK
CF1
CF3
BR
PU
PU
BR
BK
CF2
NOTES:
1. REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL (USE COPPER CONDUCTORS ONLY).
2. THE CONTROL TRANSFORMER HAS MULTIPLE HIGH VOLTAGE TAPS.
ENSURE W IRE CONNECTIONS ARE CORRECT FOR UNIT SUPPLY VOLTAGE RATING
3. 208/230V SUPPLY POWER UNITS ARE FACTORY CONNECTED TO THE CONTROL TRANSFORMER 240V TAP.
MOVE WIRE CONNECTION FROM 240V TAP TO 208V TAP WHEN 208V POW ER SUPPLY IS USED.
4. SEE CONTROL DIAGRAM FOR CONTROL TRANSFORMER LOW VOLTAGE CONNECTIONS
5. OPTIONAL; CB1,CB2,BC2 AND ASSOCIATED WIRING IS PRESENT ONLY WITH 2-SPEED EVAPORATOR MOTOR.
6. USE COPPER CONDUCTORS ONLY. UNIT TERMINALS ARE NOT DESIGNED FOR OTHER CONDUCTORS.
THE USE OF OTHER TYPE CONDUCTORS MAY CAUSE DAMAGE TO THE UNIT.
7. SEE ACCESSORY KIT LITERATURE FOR OPTIONAL CONVENIENCE OUTLET WIRING DIAGRAM.
BK
HVTB
HIGHVOLTAGE TERMINALBOARD
BK
BK
BK
BR
PU
PU
BR
BK
BK
BK
BR
PU
PU
FC1
BR
BK
BK
PU
BR
BK BK
RD
RD
BK
CF
HVTB
BK
RD
OR
OR
COMP 2
L1
L2
L3
T1
T2
T3
OR
RD
YL
BK
CCAS 2
CC2
CCH2
GR
L2
L3
L1
RD
OR
OR
BR
BK
BK
BK
RD
OR
OR
OR
RD
BK
BK
BK
OR
OR
OR
RD
BK
RD
FC2
PU
BR
RD
RD
FC3
PU
BR
RD
BK
BK
RD
OR
BK
BK
BK
OR
OR
OR
BK
OR
RD
BK
RD
OR
BK
BK
OR
RD
OR
OR
BK
BK
RD
OR
OR
BK
RD
OR
RD
OR
CCAS
COMPRESSCONTACTOR AUXILIARY SWITCH
CCH
CRANKCASEHEATER
DCC180*/ DCC240* 208-230, 460, 575 / 3 / 60 1&2 SPEED