WIRING DIAGRAM
7111790
11/11
FIELD WIRING
LEGEND:
LOW VOLTAGE
HIGH VOLTAGE
208/230 Volt
Single Phase 60Hz
Packaged Single Stage Gas Heat/Electric Air Conditioner
5. For supply wire ampacities and overcurrent protection,
see unit rating plate.
6. Factory jumper wire is installed across HEAT and COOL
when one blower speed is selected from both modes of
operation.
1. Couper le courant avantaire letretien.
2. Employez uniquement des conducteurs en cuivre.
3. Ne convient pas aux installations de plus de 150V a la terre.
NOTES:
1. Disconnect all power before servicing.
2. For supply connections use copper conductors only.
3. Not suitable on systems that exceed 150V to ground.
4. If any of the original wire as supplied with the furnace
must be replaced, it must be replaced with wiring material
having a temperature rating of at least 105 C.
FAULT CONDITION STATUS LIGHT (RED)
Power On On
Limit Circuit Open 1 Flash
Pressure Switch Stuck Open
with Inducer On
Pressure Switch Stuck Closed
with Inducer Off
3 Flash
Ignition Failure (Check Ground) 4 Flash
230 VAC & Neutral Reversed or
No Ground
False Flame or Gas Relay
Shorted
FAULT CONDITION
STATUS LIGHT (YELLOW)
Low Flame Sensor Signal
Continuous Flash
MODEL
FACTORY BLOWER
SETTINGS
024K045*
COOL - LOW
HEAT - LOW
024K072*
COOL - LOW
HEAT - MED
030K045*
COOL - MED
HEAT - LOW
030K072*
COOL - MED
HEAT - MED
TO 208/230 VAC POWER SUPPLY
CRANKCASE
HEATER
(IF EQUIPPED)
COMP
CONTACTOR
L2
L1
T2
CCH
T1
R
COMPRESSOR
C
R
S
OUTDOOR
FAN MOTOR
CFH
C
S
DUAL CAPACITOR
NOTE: REQUIRED
IF NO LOW
PRESSURE
SWITCH
FLAME STATUS
RCYGW
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
NEUTRALS
BLOWER OFF
COM
24V
EAC
HEAT
COOL
L1
M1
M2
M3
XFMR
HUM
3 AMP FUSE
R
C
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
TO DISCHARGE
AIR SENSOR
Y2
Y
C
W1
G
R
INDUCER
GAS VALVE
FLAME
SENSOR
IGNITOR
PRESSURE
SWITCH
LIMIT
SWITCH
FLAME
ROLL-OUT
SWITCH
GROUND
TERMINAL
BLOCK
ECONOMIZER JUMPER
HARNESS ASSY 8-WIRE
ECONOMIZER
PLUG
ECONOMIZER
PLUG
24V
HIGH
PRESSURE
SWITCH
240V
208V
COM
C
H
M
L
6
5
4
3
2
1
6
5
4
3
2
1
RED
BLUE
BLACK
WHITE
BR
BR
BLACK
BLACK
YELLOW
YELLOW
YELLOW
YELLOW
YELLOW
ORANGE
BLUE
BLACK
RED
YELLOW
BLACK
1
2
1
2
1
2
1
2
BLOWER
MOTOR
LOW
PRESSURE
SWITCH IF
EQUIPPED
YELLOW
BROWN
RED
BLUE
BLUE
ORANGE
GREEN
BLUE
GREEN
GREY
BLACK
YELLOW
BLUE
YELLOW
GREY
GREEN
YELLOW
BLACK
ORANGE
BLUE
RED
RED
RED
YELLOW
YELLOW
WHITE
BLACK
YELLOW
RED
RED
YELLOW
WHITE
RED
WHITE
GREEN
YELLOW
BLACK
RED
BLACK
RED
BLUE
BROWN
BROWN
BLACK
BLACK
ORANGE
YELLOW
RED
BLACK
WHITE
SEE MODEL BLOWER
SETTINGS CHART
SEE NOTE 6
