45
WIRING DIAGRAMS
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
WARNING
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.
DCG0360454BXXXA*
SEE UNIT RATING PLATE FOR TYPE AND
SIZE OF OVER CURRENT PROTECTION.
SUPPLY VOLTAGE
460-575/3/60
YL YELLOW
OR ORANGE
BR BROWN
RD RED
BK BLACK
WH WHITE
PK PINK
PU PURPLE
BL BLUE
WIRE CODE
GR GREEN
YL/PK YELLOW WITH PINK STRIP
BL/PK BLUE WITH PINK STRIP
STAT
STAT
STAT
Y1
C
R
G
Y2
W
C
G
R
W
Y
TB1
TB1
C
Y
W
R
G
TB1
2 STAGE COOLING
C
BL
THERMOSTAT
FIELD WIRING
GR
C
WITH ECONOMIZER OPTION
WH
G
Y1
GR
YL
R
C
GR
WH
RD
R
W
WH
PK
Y1
Y2
RD
YL
G
NO ECONOMIZER
W
R
G
BL
W
YL
Y1
RD
BL
RD
BK
OR
BC
BC
HIGH PRESSURE SWITCH
HPS
LOW PRESSURE SWITCH
LPS
HPS
LPS
460-575/3/60 0140L02903-A
T
R
7
G
TO THERMOSTAT
R
IIC
9
Y1
W
11
12
8
6
3
10
PS
ALS
NOTE 3
4
5
F
FS
D1
C
H
LS
VM
EM
1
C
GV
RS
C
NOTE 3
IGN
FS
VMR
IIC
BC
VMR
3
3
C
L1
T1
T1
T2
T3
T2
FC
C
T3
CM
C
L3
L2
BC
BLOWER CONTACTOR
BC
INDOOR BLOWER RELAY
IBR
AUXILLARY LIMIT SWITCH
FEMALE PLUG/CONNECTOR
INTEGRATED IGNITION CONTROL
CM
CONDENSER MOTOR
LS
LIMIT SWITCH
VENT MOTOR RELAY
VENT MOTOR
PRESSURE SWITCH
TERMINAL BLOCK (24V SIGNAL)
ROLLOUT SWITCH
VMR
VM
PS
PLF
TB1
RS
FAN CAPACITOR
CONTACTOR
GAS VALVE
IGNITOR
EQUIPMENT GROUND
FLAME SENSOR
EVAPORATOR MOTOR
FC
FUSE
F
C
GV
FS
GND
IGN
IIC
EM
COMPRESSOR
COMPONENT LEGEND
COMP
ALS
OPTIONAL HIGH
VOLTAGE
HIGH VOLTAGE
FIELD WIRING
LOW VOLTAGE
LINE VOLTAGE
FACTORY
WIRING
LOW VOLTAGE
TR
TRANSFORMER
NOTES
CHECK
-
CHECK
PRESSURE SWITCH
GAS FLOW
GAS VALVE
BAD SWITCH
FLAME SENSOR
AUX. LIMIT OPEN
FLAME ROLLOUT
GAS PRESSURE
PRESSURE SWITCH
3 MIN. COMP.
BAD SWITCH
MAIN LIMIT OPEN
CHECK
EQUIP. STATUS
NO POWER OR
SWITCH
OPEN
SWITCH
OPEN ROLLOUT
IGNITION FAILURE
OPEN AUX. LIMIT
STATUS LIGHT
2 BLINKS
1 BLINK
ON
OFF
COMPRESSOR
OUTPUT DELAY
5 BLINKS
4 BLINKS
6 BLINKS
3 BLINKS
INTERNAL CONTROL
NORMAL OPERATION
PRESSURE SWITCH
WITHOUT INDUCER ON
OPEN LIMIT SWITCH
FALSE FLAME SENSED
INSTALLER/SERVICEMAN
1. REPLACEMENT WIRE MUST BE
THE SAME SIZE AND TYPE OF
INSULATION AS ORIGINAL.
(USE COPPER CONDUCTOR ONLY).
2. ACCESSORY ECONOMIZER PLUG
ADJACENT TO BLOWER HOUSING
IN RETURN AIR COMPARTMENT.
REMOVE MALE PLUG AND ATTACH
FEMALE PLUG TO THE ECONOMIZER
ACCESSORY.
4. USE COPPER CONDUCTORS ONLY.
USE NEC CLASS 2 WIRE.
3. L1 AND L2 ON IIC CONTROL IS 24V INPUT.
S2
S1
Y2
5
8
4
1
9
7
6
2
3
TERMINAL BLOCK
SEE
NOTE 2
PLF
Y2
Y2