29
WIRING DIAGRAM
Figure 19. CMF95 Wiring Diagram
IGNIT
OR
INDUCER
FLAME SENSOR
C
VENT LIMIT
DOOR SWIT
CH
R
4 SPEED MO
TO
R
FLAME ROLL
OUT
GAS VA
LV
E
H
MH
ML
L
C
BL
OWER DECK LIMIT
SUPPL
Y
AIR LIMIT
PRESSURE SWIT
CH
R C Y G W
LOW
ML
MH
HIGH
EAC
L1
XFMR
HUM
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
CO
M
3 AMP FUSE
24
V
24
V
120
V
WHITE
W/ BLK STRIPES
BLK
W/
WHITE STRIPES
1234
1234
11
22
33
44
55
66
77
88
99
L1A
NEUTRALS
GREEN
YELL
OW
RED
R
C
TX
RX
W
COM
1
2
1
2
1
2
1
2
12
34
WHITE
RED
BL
UE
ORANGE
BL
AC
K
WHITE
BL
AC
K
BL
UE
BL
UE
BLUE
BL
UE/WHITE
BLUE
ORANGE
ORANGE
GREEN
WHITE
BLUE
YELL
OW
RED
ORANGE
BLA
CK
WHITE
BL
UE
BLA
CK
RED
BLA
CK
BLA
CK
BLAC
K
BL
UE
GREEN
BLUE
BLACK
BLACK
WHITE
YELL
OW
SINGLE ST
AG
E
THERMOS
TAT
TO OUTDOOR UNIT
FIELD
WIRIN
G
LEGEND
:
LO
W
VO
LT
AG
E
HIGH
VO
LT
AG
E
WIRING DIA
GRAM
For 80+ and 90+ Single Stage F
urnaces
Ref
er to the Installation Instruc
tions
provided with the furnace f
or the
proper heating and cooling speeds
for your application.
If an
y of the original wire as supplied with
the furnace m
ust be replaced,
it m
ust be
replaced with wiring material ha
ving
a
temperature of at least 105 C.
Use copper conducto
rs
onl
y.
Diagnostic Description
Green LED
Red LED
Control Fault (No Power
)O
ff
Of
f
L1 / Neutral Polarity Fault
Flash
Flas
h
1 Hour Lockout
n
O
n
O
noi
ta
re
p
O l
a
mr
o
N
Pressure Switch Closed Fault
On
Flas
h
Pressure Switch Open Faul
tF
las
hO
n
Open Limit Switch Faul
tF
las
hO
ff
Diagnostic Description
Low Flame Sensor Signal
Flame Present
FAULT CONDITIONS
Yellow LED
Continuous Flas
h
On
Alternating Flas
h
711216
A
(Replaces 7112160
)
05/12
