32
FLAME
ROLL-OUT
SUPPLY
AIR LIMIT
PRESSURE
SWITCH
PRESSURE
SWITCH
PRESSURE
SWITCH
PRESSURE
SWITCH
11
22
33
44
55
66
77
88
99
FLAME SENSOR
GAS
VALVE
IGNITOR
DOOR
SWITCH
LOW
HIGH
BLOWER
LIMIT
BLOWER
LIMIT
WHITE
RED
GREEN
YELLOW
WHITE
RED
GREEN
CFM
MOTOR
GNDSEN
DHUM Y1/E
L2-OUT
L2-IN
HY1Y/Y2
W/O
CR
HP
SPEED
COMMON
PWM
MODE
OPEN
OPEN
FAULT
R
C
GND
RX
TX
W
L1-IN
L1-OUT
C
DX-
DX+
R
RED
GREEN
24 V
120 V
WHITE
BLACK
BLACK
WHITE
BLACK
BLACK
MVT
TR
TX
RX
TH
ORANGE
YELLOW
BROWN
RED
GREEN
VENT LIMIT
BLACK 120V
WHITE (NEUTRAL)
GROUND
MOTOR CHOKE
(ON 3/4 AND 1HP
MOTORS ONLY)
INDUCER
BLACK
WHITE
BLACK
WHITE
BLUE
BLACK
BLUE
WHITE
IQ THERMOSTAT/
CONTROLLER
GREEN
RED
RED
RED
PART OF
MOTOR
123
123
1
2
1
2
1
2
3
COM
3 AMP FUSE
24V
36
25
14
REDGREEN
YELLOW
LINE
XFMR
EAC
LINE
LINE-N
LINE-N
XFMR-N
EAC-N
54321
R
DX+
DX-
C
R
DX+
DX-
C
Inducer Drive
(PWM Drive)
ORANGE
YELLOW
BROWN
RED
GREEN
TH
RH
RX
TX
24V
ORANGE
YELLOW
BROWN
RED
GREEN
VP
RX
TX
TR
MVT
1
1
2
2
3
3
4
4
TO
OUTDOOR
UNIT
VIOLET
ORANGE
GREEN
ORANGE
ORANGE
VIOLET
BLACK
WHITE
RED
VIOLET
BLUE
BLUE
BLUE
BLACK
WHITE
BLACK
BLACK
WHITE
BLACK
BLACK
BLUE
BLUE
Diagnostic Description
Green LED
Red LED
Control Fault (No Power) Of
ff
L1/neutral polarity FaultFlash Flash
1 Hour Lockout
nOtaebtraeHnoitarepO lamroN
Low Pressure Switch Closed FaultOnFlash
Low Pressure Switch Open FaultFlash On
Open Limit Switch FaultFlash Off
High Pressure Switch Open or
Closed Faul
ff Flash
Diagnostic Description
Low flame S ensor Si
nal
Flame Presen
n
FAULT CONDITIONS
Alternatin
Flash
Yellow LED
C ontinu ous Flash
For 97+ Modulating Gas Furnaces
WIRING DIAGRAM
Refer to the Installation Istructions
provided with the kit for the proper
heating and cooling speeds for your
application.
711001B
(Replaces 711001A)
04/11
FIELD WIRING
LEGEND:
LOW VOLTAGE
HIGH VOLTAGE
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 degrees C.
Use copper conductors only.
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