– 52 –
Gas Model Schematic
WARNING: Disconnect electrical power before servicing.
Caution: Label all wires prior to disconnection. Wiring errors can cause improper and dangerous operation.
Verify operation after servicing.
(Continued Next Page)
3
3
3
OUTLE
T
CONTR
OL
THERMIST
O
R
INLE
T
CONT
ROL
THERMIST
O
R
N-20
N-20
PO
WER BO
ARD
UI BO
ARD
DSM
MODULE
O-20
GY
-2
0
N-20
J10
1
1
J11
1
J25
1
R-20 B-20
UPPER R
O
D
LO
W
ER
R
O
D
S-20
P-20
GY
-2
0
CHASSIS BASE
J8
J5
J4
J2
J7
J6
1
K4
K1
K3
K2
1
B-18
W-18
Y-18
P-18
P-18
V-18
V-18
V-18
Y-18
O-18
5
6
4
G
P-18
S-20
R-18
DRUM MO
TO
R SHOWN ST
OPPED
CHASSIS BASE
GY
-1
6
IDLER SWIT
C
H
C-18
V-18
R-18
TAB SEQUENCE DRUM MO
TO
R
CONNECTOR
G
1
2
4
65
V-18
R-18
V-18
V-18
V-18
RE
AR
PA
N
EL
CORD SE
T
L1
N
W-18
B-18
B-18
DOOR SWIT
C
H
SHOWN DOOR CL
OSED
(NO
T USED)
C-18
C-18
W-18
W-18
2
1
C-18
C-18 C-18
(580 )
(1400
)
W-18
V-18
S-20
(40-400
)@75°F
XX-YY XX-WIRE CO
LO
R
YY-WIRE GA
UGE
-------------------- B: BL
AC
K
C: BR
OWN
G: GREEN G
Y: GREEN/YELL
OW
N: NA
VY BL
UE
R:
R
ED
O: ORANGE P: PINK S: GRA
Y
V: PURPLE W: WHITE Y: YELL
OW
T:
T
A
NGERINE
3
(3.19-3.53
)
(2.98-3.30
)
R-18
Y-20
Y-20
SEE NO
TE 1
SEE NO
TE 1
SEE NOTE 2
SEE
NOTE 2
HI-LIMIT
OUTLE
T
CONTR
O
L
BA
C
KU
P
IGNIT
OR
INLET-
SAFE
TY
FL
AME DE
TECT
(1300 )
MAIN
BOOSTER
SA
FE
TY
NC
NO
CO
M
L1
N
NO
TE 1.- THIS WIRE MARKED AS Y (YELL
O
W)
MIGHT BE W (WHITE) IN SOME UNITS
NO
TE 2.- THIS WIRE MARKED AS P (PINK)
MIGHT BE W(WHITE) IN SOME UNITS
