38
710152B
Figure 44.
Gas Direct Ignition Furnace
, Heating & A/C Read
y - All M1M Models
See Table
BLOWER
MOTOR
SINGLE
SPEED
ON/OFF
SWITCH
C
R
G
W
GAS VALVE
HI-LIMIT
AUX. LIMIT
TRANS-
FORMER
PRESSURE
SWITCH
6
5
4
3
2
1
6
5
4
3
2
1
COMBUSTION FAN
L1
N
C
R
24 V
115 V
2
1
1
4
5
2
6
3
1
2
3
4
5
6
7
8
9
IGNITOR
BLUE
BLUE
BLACK
GREEN
YELLOW
YELLOW
BLACK
BLACK
ORANGE
ORANGE
BLACK
WHITE
L1
NEUTRAL
GROUND SCREW
FURNACE ELECTRICAL BOX
24V
NE
U
C
H
L1
XF
RM
TIE
WIRE
See Table
CONNECTOR
HOUSING CAP
GROUND
SCREW
BLACK
BLACK
CONTROL LIGHT STATUS
W
O
L
L
E
Y
D
E
R
l
a
n
gi
S
e
m
al
F
d
o
o
G
N
O
y
d
a
et
S
K
O l
or
t
n
o
C
N
O
y
d
a
et
S
l
a
n
gi
S
e
m
al
F
k
a
e
W
g
ni
k
nil
B
r
e
w
o
p
o
N
F
F
O
y
d
a
et
S
Rapid Flash
F
alse flame or internal control fault
S
teady OFF
N
o Flame Signal
1 Flash
L
imit switch is open
2 Flashes
P
ressure switch is open with inducer on
3 Flashes
P
ressure switch is closed with inducer off
4 Flashes
L
ockout due to failed ignition
5 Flashes
1
15 vac & neutral reversed or no ground
CONTROL
LIGHTS
RED
Jumper must be removed if
converting to a multispeed blower.
Jumper is required for M1MA
models and M1MB 090
A/C & Heating Speeds: Refer to
Table 11, A/C Blower Selection
in the manual
BLACK
WHITE
WHITE
BLACK
BLACK
GREEN
RED
GRAY
WHITE
RED (LO)
BLACK (HIGH)
BLUE (MED. HI)
ORANGE (MED. LO)
WHITE
RED (LO)
BLACK (HIGH)
BLUE (MED. HI)
WHITE
6
5
4
3
2
1
LEGENDS
115V:
F
IELD 115V:
24V:
FIELD 24V:
BLOWER
MOTOR
4 SPEED
NOTES
1.
Incoming power must be polarized. Observe color
coding. (See furnace data label for electrical
information.)
2.
If any of the original wires (as supplied with the
appliance) must be replaced, use 105˚C Thermoplastic
type wire or its equivalent.
S
U
P
P
L
IE
D
B
Y
I
N
S
T
A
L
L
E
R
C W G R
COM
BLUE
BLOWER
MOTOR
3 SPEED
See Table
See Table
G
as
Di
rect
Ign
it
ion
F
urnace,
Heating &
A/C Ready
, M1M
All Models.
Blower Wire T
a
ble
B
lo
w
e
r W
ire
C
onne
c
ti
ons
Furn
a
c
e
Wi
re
#1
Wi
re
#
2
Wi
re
#
3
Wi
re
#
4
Mode
l
Re
d
Bl
a
c
k
B
lu
e
O
ra
n
g
e
M1
MA
0
5
6
/
Ti
e
T
ie
Ti
e
C
ont
ro
l
070/
0
77
/0
9
0
W
ra
pped
W
rapped
W
rappe
d
B
oard "
H
"
M1
MB
T
ie
C
ont
rol
T
ie
C
ont
ro
l
056
W
rap
ped
B
oar
d "
C
"
W
ra
p
p
ed
B
oar
d "
H
"
M1
MB
T
ie
T
ie
C
ont
ro
l
C
ont
ro
l
070/
077
W
rap
ped
W
rap
ped
B
o
ar
d "
H
"
B
oar
d "
C
"
M1
MB
Ti
e
C
o
n
tr
o
l
Ti
e
T
ie
90
W
rap
ped
B
oar
d "
H
"
W
ra
p
p
ed
W
ra
pped
M
1
M
(C,
D)
Co
n
tr
o
l
T
ie
T
ie
C
o
n
tr
o
l
056/
070
B
oar
d "
H
"
W
ra
p
ped
W
rap
ped
B
oar
d "
C
"
M
1
M
(C,
D)
T
ie
T
ie
T
ie
C
ont
ro
l
077/
090
W
rap
ped
W
rap
ped
W
rap
ped
B
oar
d "
H
"