36
Figure 24. *SD Wiring Diagram
IGNIT
OR
24
V
120
V
WHITE
BLA
CK
WHITE
W/
BLK S
TRIPE
S
BLK
W/
WHITE S
TRIPE
S
1
2
3
4
1
2
3
4
1
2
1
2
T5
T1
N
G
L
C
T4
T3
T2
BL
O
WER
MO
TO
R
INDUCE
R
INDUCER
LIMIT S
WIT
CH
MAIN AIR
LIMIT
SW
IT
CH
INDUCER PRESSURE
SW
IT
CH #1
GAS
VA
LV
E
DOOR SWIT
CH
PS0
ILI
TR
PS1
HL
O
MV
C
TH
PS2
GND
MVL
MVH
HLI
TAP2
GND
TAP5
TAP4
TAP1
TAP3
5V
PI
GN
1
1
23
4
5
6
7
8
9
23
4
5
6
7
8
9
BL
O
WER
LIMIT S
WIT
CH
BL
O
WER
LIMIT S
WIT
CH
PRESSURE
TRANSDUCE
R
TO BL
OWER
HOUSING
N
L
FLAME SENSOR
1
3
2
4
W
V
U
GND
F
M
F
M
BK
W2
W1
R
GB
/C
Y2
Y1
0
GND
GND
TO
CHASSI
S
COLL
EC
TO
R
SW
IT
CH
1
1
23
4
5
6
7
8
9
23
4
5
6
7
8
9
INDUCER PRESSURE
SW
IT
CH #2
2
N
G
L
3
1
5
C
4
CONTRO
L
DISPL
AY
MEN
U
OPTION
WHITE (NEUTRAL)
BLA
CK 120V
GROUND
TO
CHASSI
S
TO
CHASSI
S
Refer to the Installation Instructions
provided with the furnace for
the proper heating and cooling
speeds for your application.
Refer to the Installation Instructions for contol
error codes.
If any of the original wire 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 onl
y.
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
OR
OR
YE
YE
GN
YELLOW
YELLOW
ORANGE
ORANGE
GREEN
BLU
E
BLU
E
BLU
E
RED
BLUE
RED
WHITE
BLACK
ORANGE
GRA
Y
YELLO
W
RE
D
BLUE
BLU
E
WIRING DIA
GRAM
10321140
08
/2
0
FIELD WIRING
LE
GEND:
LO
W
VO
LT
AG
E
HIGH
VO
LT
AG
E
For 95% Single Stage Ultr
a
Lo
w NO
x F
urnaces
120 V
olt / 1 Ph. / 60 Hz
.
BLACK
BLACK
BLUE
BLACK
BLACK
WHITE
RED
WHITE
WHITE
BLACK
WHITE
GREEN
GREEN
BROW
N
GREEN
RED
BL
UE
W/
WH S
TRIP
E
RED
VIOLET
VIOLET
VIOLET
BLUE
BLUE
BLU
E
BLACK
WHITE
BLACK
VIOLET
VIOLET
Electrical Information
