30
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
WIRING DIAGRAMS
BK
BK
RD
RD
OR
T1
0140L05763-A
POWER WIRING DIAGRAM
DCC(180-240)
DDC
LOW VOLTAGE
HIGH VOLTAGE
F
IELD WIRING
LOW VOLTAGE
F
ACTORY WIRING
HIGH VOLTAGE
GR GREEN
W
IRE 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
O
PTIONAL ACCESSORIES OR FIELD SUPPLIED
BLOWER CONTACTOR
BC
COMPRESSORCONTACTOR
COMPRESSOR
ECONOMIZER
HIGHPRESSURE SWITCH
POWER DISTRIBUTION BLOCK
FEMALEPLUG/CONNECTOR
TERMINALBLOCK(24V SIGNAL)
CC
COMP
ECON
HPS
PB
PLF
TB
COMPONENT LEGEND
CIRCUIT BREAKER
CB
TR
GND
BCS BLOWER CUR RENT SWITCH
BM BLOWER MOTOR
CFS
CLOGGED FILTERSWITCH
CF CONDENSERFAN
DAT
DISCHARGEAIR TEMPERATURESENSOR
DDC
DIRECT DIGITAL CONTROL
CO2
CARBONDIOXIDESENSOR
FC
FAN CAPACITOR
EQUIPMENTGROUND
GV GAS VALVE
EXF
EXHAUST FAN
IAH
INDOORAIRHUMIDITYSENSOR
LOW PRESSURESWITCH
LPS
RSS
REMOTE START/STOP
OAT OUTDOOR AIRTEMPERATURESENSOR
OAH
OUTDOOR AIRHUMIDITYSENSOR
LDS
LOAD SHEDDING
SPC
TEMP
SPACE TEMPERATURESENSOR
TRANSFORMER
ALRM ALARM
HGRH HOT GAS REHEAT
SMK
SMOKE DETECTOR
ALS
AUXILIARY LIMIT SWITCH
IIC
INTEGRATE D IGNI TION CONT ROL
LS
LIMIT SWITCH
FS
FLAME SENSE
PLM
MALE PLUG/CO NNECTOR
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
KBYG
BK
BK
CF1
CF3
BR
PUPU
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 WIRE 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
HIGH VOLTAGE 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
BRRD
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
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