FLAME
ROLL-OUT
SUPPLY
AIR LIMIT
FLAME SENSOR
11
4
1
8
7
10
5
2
9
3
12
6
LINE- N
XMFR-N
LINE
LINE
XMFR
EAC
HUM
LINE- N
14325
R
C
TX
RX
W
COM
IGNITOR
DOOR
SWITCH
RCY/Y2 W2GW1Y1
1
2
1
2
BLACK
BLACK
WHITE
WHITE
BLOWER
LIMIT
BLOWER
LIMIT
WHITE
ORANGE
BLUE
BLUE
YELLOW
RED
BLACK
BLACK
WHITE
BLUE
ORANGE
YELLOW
WHITE
RED
BLACK
CFM
MOTOR
GNDSEN
DHUM
Y1
H
L2-OUT
RED
GREEN
L2-IN
L1-IN
L1OUT
Y1Y/Y2W
CR
HP
SPEED
COMMON
PWM
MODE
OPEN
OPEN
FAULT
R
C
GND
RX
TX
W
C
DX-
DX+
R
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
WHITE
ORANGE
YELLOW
RED
BLACK
24 V
120 V
WHITE
BLACK
WHITE W/ BLK STRIPES
BLK W/ WHITE STRIPES
1234
1234
BLUE
GAS
VALVE
HI
LO
C
INDUCER
H
L
C
123
123
BLACK
BLACK
COOL
FAN SPEED
HEAT
BLWR OFF
DELAY
LOW
PRESSURE
SWITCH
HIGH
PRESSURE
SWITCH
RED
RED
RED
PART OF
MOTOR
123
123
BLUEBLUE
BLUE
BLUE
BLACK
BLACK 120V
WHITE
BLACK
BLACK
BLACK
WHITE
BLACK
BLACK
BLACK
WHITE
WHITE (NEUTRAL)
BLACK
WHITE
WHITE
RED
RED
GREEN
GROUND
GREEN
BROWN
BROWN
YELLOW
VIOLET
VIOLET
ORANGE
ORANGE
VENT LIMIT
(ON SELECT
MODELS)
MOTOR CHOKE
(ON 3/4 AND 1HP
MODELS ONLY)
For 80+ and 90+ 2-Stage Variable Speed Downflow Furnaces
WIRING DIAGRAM
710812E
FIELD WIRING
LEGEND:
LOW VOLTAGE
HIGH VOLTAGE
Refer to the Installation Instructions
provided with the kit 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
rating of at least 105° C.
Use copper conductors only.
This wiring diagram shows connections and
termination required for the blower kit only.
Use in addition to the wiring diagram for the
furnace.
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
0812v¤
0408
BLACK
