HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
WIRING DIAGRAMS
17
DE
HUM
WARNING:DISCONNECT
PROPERLY POLARIZED
SERVICING. WIRING
TO UNIT MUST BE
AND GROUNDED.
POWER BEFORE
DISCONNECT POWER
MUST BE PROPERLY
BEFORE SERVICING.
WIRING TO UNIT
POLARIZED AND
GROUNDED.
TO 115VAC/ 1Ø /60 HZ POWER SUPPLY WITH
OVERCURRENT PROTECTION DEVICE
115 VAC/ 1Ø /60 HZ
POWER SUPPLY WITH
PROTECTION DEVICE
OVERCURRENT
115kBTU MODELS
INDUCTOR COIL
70kBTU,90kBTU,
ONLY
DOOR
SWITCH
MANUAL RESET
AUXILIARY
LIMIT CONTROL
TWO-STAGE
INTEGRATED
CONTROL
MODULE
16 WIRE
ECM MTR
HARNESS
INDUCTOR COIL
70kBTU,90kBTU,
115kBTU MODELS
ONLY
BLOWER
COMPARTMENT
DOOR SWITCH
(OPEN WHEN
DOOR OPEN)
1 FLASH = SYSTEM LOCKOUT (RETRIES/RECYCLES EXCEEDED)
3. 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.
YL YELLOW
OR ORANGE
VT VIOLET
GN GREEN
BK BLACK
BR BROWN
WH WHITE
BU BLUE
GY GRAY
RD RED
COLOR CODES:
LOW VOLTAGE (24V)
LOW VOLTAGE FIELD
HI VOLTAGE (115V)
HI VOLTAGE FIELD
NOTES:
1. SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0.7 AMPS.
22314701 REV.00
40 VA
TRANS-
FORMER
STEADY ON = NORMAL OPERATION
2 FLASHES = LOW FIRE PRESSURE SWITCH STUCK CLOSED
3 FLASHES = LOW FIRE PRESSURE SWITCH STUCK OPEN
CONTINUOUS FLASHES = 115 VOLT AC POWER REVERSED
1
2
3
4
C
0
INTERNAL TO
INTEGRATED CONTROL
JUNCTION
EQUIPMENT GND
115
VAC
24
VAC
OVERCURRENT
PROT. DEVICE
TERMINAL
4. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N.E.C. AND LOCAL CODES.
TWO STAGE
GAS VALVE
PM
C
HI
HOT
SURFACE
IGNITER
INDUCED
DRAFT
BLOWER
GND
RD
FLAME
SENSOR
NO
C
WH
BK
BR
AUTO RESET PRIMARY
LIMIT CONTROL
GN
GY
HIGH FIRE
PRESS. SWITCH
LOW FIRE
PRESS.
SWITCH
4 FLASHES = THERMAL PROTECTIVE DEVICE OPEN
SWITCH (PRESS.)
SWITCH (TEMP.)
FIELD SPLICE
FIELD GND
NO
C
FRONT COVER
PRESSURE SWITCH
MANUAL RESET ROLLOUT
LIMIT CONTROLS
(SINGLE CONTROL ON 45 kBTU)
PK PINK
PLUG CONNECTION
BURNER COMPARTMENT
BLOWER COMPARTMENT
VT
IGNITER
2. MANUFACTURER'S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING.
PK
YL
5 FLASHES = FLAME SENSED WITH GAS VALVE DE-ENERGIZED
6
7 FLASHES = LOW FLAME SENSE SIGNAL
7
8 FLASHES = CHECK IGNITER OR IMPROPER GROUNDING
8
1
2
1
2
3
NO
C
ID BLOWER
TWO-STAGE PRESSURE
SWITCH ASSEMBLY
OR
2 CIRCUIT
CONNECTOR
CIRCULATOR
BLOWER
5
C
IRCU
IT
CON
NNECTOR
RD
GY
VT
BU
5
4
3
2
1
24 V THERMOSTAT CONNECTIONS
12
11
10
7
8
9
6
5
4
1
2
3
NEUTRAL
HOT
24 V
3 A
CHAS
S
IS
GROU
ND
9
C
IRCU
IT
C
O
NN
ECT
O
R
WH
WH
RD
RD
BK
BU
OR
GY
GY
OR
PK
VT
FUSE
TR (9)
GND (10)
MVL(7)
PS2 (2)
PS1 (12)
HLO (11)
HL1 (6)
TH (5)
MANUAL RESET ROLLOUT
LIMIT CONTROL(S)
AUTO RESET
PRIMARY LIMIT
CONTROL
GAS
VALVE
GND
C
NO
C
NO
PM
HI
C
R
W2
Y
G
C
TO
MICRO
FUSE 3 A
INTEGRATED CONTROL MODULE
2
4
V T
H
E
R
M
O
ST
A
T
C
O
N
N
E
C
T
IO
N
S
24 VAC
40 VA
TRANSFORMER
115 VAC
FLAME SENSOR
HUMIDIFIER
ID
BLWR
INDOOR
AIR
CIRCULATOR
BLWR
ELECTRONIC
AIR CLEANER
LINE-H
LINE-N
EAC-H
EAC-N
IGN-H
HUM-H
IND HI
XFMR-H
HOT SURFACE
IGNITER
HUM-N
IN
T
E
G
R
AT
ED
C
O
N
T
R
O
L
M
O
D
U
L
E
INT
E
G
R
A
T
E
D
CO
NT
R
O
L
M
O
DUL
E
GND
DISCONNECT
L
N
WARNING:
MANUAL RESET AUXILIARY LIMIT
CONTROLS
FRONT COVER
PRESSURE SWITCH
LOW FIRE
PRESSURE
SWITCH
FP (3)
IND LO
IGN-N
W1
MVH (1)
MVC (8)
C
HIGH FIRE
PRESSURE SWITCH
NO
9 FLASHES = HIGH FIRE PRESSURE SWITCH STUCK OPEN
9
BK
WH
IND-N
WH
GN
YL
GY
VT
3
4
5
6
2
1
OR
BR
OR
VT
DIAGNOSTIC
LED
HEAT OFF DELAY
DIP SWITCHES
T-STAT SELECTOR
BR
YL
VT
3
2
1
VT
LO
HE
A
T
HU
M
XF
M
R
LI
N
E
PAR
K
CO
O
L
EAC
HI
HE
A
T
BK
Y
B/
C
G
R
W1
W2
TW
IN
/
YL
O
YL
O
BK
RD
WH
RD
WH
WH
RD
BK
WH
GN
GND
5
4
3
2
1
BK
YLO
GND
PK
GND
TO
L
N
BK
-1
DISCONNECT
WH-5
WH
BK
BK
JUNCTION BOX
JUN
C
TI
O
N
BO
X
BU
PK
GY
24V HUM.
24
V HU
M
.
XFMR-N
24V HUM.
2
4
V
HU
M
IDI
F
IE
R
BU
WH
PK
GN
GND
MANUAL RESET ROLLOUT
LIMIT CONTROLS
(SINGLE CONTROL ON 45 kBTU)
BU
NO
C
Wiring is subject to change.
Always refer to the wiring diagram on the unit for the most up-to-date wiring.
