IGNITOR
INDUCER
FLAME SENSOR
C
VENT
LIMIT
DOOR
SWITCH
R
FLAME
ROLLOUT
GAS
VALVE
BLOWER
DECK
LIMIT
SUPPLY
AIR LIMIT
PRESSURE
SWITCH
24 V
120 V
WHITE W/ BLK STRIPES
BLK W/ WHITE STRIPES
1234
1234
1
2
1
2
1
2
1
2
WHITE
BLACK
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
RCYGW
LOW
ML
MH
HIGH
EAC
L1
XFMR
HUM
COM
GREEN
YELLOW
RED
3 AMP FUSE
24V
R
C
TX
RX
W
COM
L1A
NEUTRALS
1234
24V
24V
123456789
MOTOR
12345NLC
MOTOR
CHOKE
BLACK
BLACK
G
NOTE: FOR
BLOWER
WIRING SEE
BLOWER TABLE
LITERATURE
BLK W/ WHITE STRIPES
WHITE W/ BLK STRIPES
RED
BLUE
FIELD WIRING
LEGEND:
LOW VOLTAGE
HIGH VOLTAGE
WIRING DIAGRAM
For 80+ and 90+ Single Stage Furnaces
Refer to the Installation Instructions
provided with the furnace for the
proper heating and cooling speeds
for your application.
If any of the original wire as supplied with
the furnace must be replaced, it must be
replaced with wiring material having a
temperature of at least 105 C.
Use copper conductors only.
Diagnostic Description
Green LED Red LED
Control Fault (No Power) Off Off
L1 / Neutral Polarity Fault Flash Flash
Pressure Switch Closed Fault On Flash
Pressure Switch Open Fault Flash On
Open Limit Switch Fault Flash Off
1028603A
(Replaces 10286030)
09/19
ORANGE
ORANGE
ORANGE
BLUE
BLUE
BLUE
BLUE
RED
ORANGE
RED
BLUE
BLACK
WHITE
GRAY
GREEN
BLACK
BLACK
RED
BLUE
BLACK
WHITE
BLACK
BLUE W/ WH STRIPE
GRAY
GREEN
YELLOW
YELLOW
BLACK
BLACK
BLACK
BLACK
BLACK
WHITE
WHITE
BLACK
BLACK
GREEN
BLUE
