WIRING DIAGRAMS
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
HI
G
H V
O
LT
A
G
E!
DI
SCO
NNE
CT
AL
L
PO
W
ER BE
FO
RE
S
ERV
ICI
NG
O
R I
NS
TA
LL
IN
G
T
HI
S
U
N
IT
. M
U
LT
IPL
E PO
W
ER
SO
U
R
C
ES M
AY B
E P
R
ESEN
T.
F
A
IL
U
R
E
TO
DO
S
O
M
AY
CAUS
E P
RO
PE
RT
Y DAM
AG
E,
P
ERS
O
NAL
INJ
UR
Y O
R DE
AT
H
.
39
FUSE 3 A
MICRO
TO
TR (11)
G
TH (4)
24
V
TH
ER
MO
ST
AT
CONNE
CT
IO
NS
VALVE
GAS
TRANSFORMER
(6)
Y
HLO (10)
GND (5)
W
R
CONTROLS
AUTO RESET AUXILIARY LIMIT
BOX LIMIT
AUTO RESET BURNER
C
PSO (7)
PRESS.
GND
PS1 (2)
LIMIT CONTROL
AUTO RESET PRIMARY
24 VAC
INTEGRATED CONTROL MODULE
BLWR
AIR
INDOOR
CIRCULATOR
TX (3)
RX (2)
+ VDC (1)
GND (4)
R
TO
MICRO
TO
TO +VDC
EAC
HUM-IN
ID
NEUTRAL
WIRING TO UNIT
L
IN
TE
GR
AT
ED
CON
TR
OL MODUL
E
HOT SURFACE
INDUCTOR COIL
GND
BLWR
NEUTRAL
WARNING:
GROUNDED.
OVERCURRENT PROTECTION DEVICE
MUST BE PROPERLY
SWITCH
NEUTRAL
ELECTRONIC
AIR
(ON SOME MODELS)
IGN
DISCONNECT
FS
POLARIZED AND
NEUTRAL
LINE
NEUTRAL
JUNCTION BOX
BLWR
N
INDOOR
AIR CLEANER
HUM
DOOR
NEUTRAL
EM
I LIN
E
FILT
ER
TO 115VAC/ 1Ø /60 HZ POWER SUPPLY WITH
115 VAC
HUM-OUT
IGNITER
CIRCULATOR
BEFORE SERVICING.
FLAME SENSOR
DISCONNECT POWER
LINE
GND
BL
WH
PK
BK
BK
OR
PK
RD
RD
BL
9
8
12
1
15
11
14
7
2
5
4
13
3
6
10
MO
DULE
CONT
RO
L
IN
TE
GR
AT
ED
TW
O-
ST
AG
E
EAC
FS
BK
2
1. SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0.7 AMPS.
LIMIT CONTROL
AUXILIARY
AUTO RESET
BL
WARNING:DISCONNECT
TRANSFORMER
40 VA
N
NO
3
BR
4. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N.E.C. AND LOCAL CODES.
COLOR CODES:
1
E SWITCH
PRESSUR
SENSOR
FLAME
GN GREEN
GR
C
VAC
TO UNIT MUST BE
1
BR
AND GROUNDED.
1
115
SWITCH (PRESS.)
FIELD SPLICE
FIELD GND
LOW VOLTAGE FIELD
YL
BAFFLE LIMIT
AUTO RESET
WH
1
RD RED
GY GRAY
AUTO RESET
BURNER BOX LIMIT
WH
L
NOTES:
PK
BK
5
SWITCH
ID BLOWER PRESSURE
OR
SERVICING. WIRING
EQUIPMENT GND
(ON SOME MODELS)
INTERNAL TO
PROT. DEVICE
INTEGRATED CONTROL
PK
C. USE COPPER CONDUCTORS ONLY.
AT LEAST 105
IT MUST BE REPLACED WITH WIRING MATERIAL HAVING A TEMPERATURE RATING OF
3. IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE MUST BE REPLACED,
PK
PLUG CONNECTION
2
4
BK
DOOR OPEN)
(OPEN WHEN
DOOR SWITCH
COMPARTMENT
BLOWER
SWITCH (TEMP.)
GND
C
BLOWER
CIRCULATOR
PU PURPLE
JUNCTION
40 VA
PK PINK
Ø /60 HZ
DISCONNECT
GAS VALVE
2. MANUFACTURER'S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING.
OVERCURRENT
HI VOLTAGE (115V)
CONNECTOR
2 CIRCUIT
LOW VOLTAGE (24V)
GND
VAC
CH
AS
SI
S
GR
OU
ND
2
3
4
IGNITER
SURFACE
HOT
2
GND
BK BLACK
SETUP IS DONE WITHIN COMMUNICATING THERMOSTAT)
LEGACY MODE) OR INDEPENDENTLY FROM HEAT CALL (COMMUNICATING MODE ONLY -
TERMINALS TO RUN HUMIDIFIER DURING HEAT CALL ( COMMUNICATING MODE OR
HEAT CALL (COMMUNICATING OR LEGACY MODES). USE HUM-IN AND HUM-OUT
6. HUMIDIFIER INSTALLATION OPTIONS: USE HUM TERMINAL TO RUN HUMIDIFIER DURING
FOR MORE THAN 2 SECONDS WHILE IN STANDBY (NO THERMOSTAT INPUTS)
5. TO RECALL THE LAST 6 FAULTS, MOST RECENT TO LEAST RECENT, DEPRESS SWITCH
INDUCTOR COIL
BL BLUE
M
BLOWER
DRAFT
INDUCED
WH WHITE
BK
24
BLOWER COMPARTMENT
115 VAC/ 1
OVERCURRENT
BK
BR BROWN
YL YELLOW
3
HI VOLTAGE FIELD
HARNESS
ECM MTR
OR ORANGE
TERMINAL
POWER BEFORE
IGNITER
RD
BK
TO
POWER SUPPLY WITH
BURNER COMPARTMENT
PROTECTION DEVICE
PROPERLY POLARIZED
WH
BK
JUNC
TI
ON
B
OX
GN
GND
BL
GY
RD
IGN
IND
-HI
IN
-LO
IN
-N
IGN
-N
AUX
IN
AUX
OUT
3A
FU
SE
1 2 R C
BIAS
BIAS
BIAS
BIAS
TERM
R C G W Y
Y2
SAT
GND
GND
NA
RAT
TERM
CT
BREAK OFF
TABS
DATA AC
BREAK OFF
TABS
LEFT CENTER RIGHT
ST
AT
US
CO
DE
BR
PU
UV
W
LI
NE
NEU
TR
AL
BK
BL
GY
BK
RD
YL
WH
RD
BK
BK
WH
WH
WH
GND
TX
RX
BR
RD
WH
WH
WH
RD
GN
YL
GN
GY
GY
BL
VDD
BL
OR
GY
GN
PK
OR
BL
GY
OR
GY
BL
(3)
(1)
M
C
GND
GV (13)
(8)
PRESSURE
TRANSDUCER
PT
PT
PT
+
-
O
PR
ESS
UR
E
TR
ANS
DU
CE
R
RD
BK
GN
GY
BL
BK
GN
RD
C
SWITCH
PRESS.
NO
NO
C
SWITCH
PRESS.
NO
C
AUTO RESET
PRIMARY LIMIT
PU
IN
TE
GR
AT
ED
CON
TR
OL MODUL
E
E17
YLYL
GR
OU
ND
GR
OU
ND
B
TTR
RA
AN
NS
SFFO
OR
RM
ME
ER
R
40 VA
V
VA
AC
C
111155
PK
V
VA
AC
24
BK
W
