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Installation and Service Manual
WIRING BOX CONNECTIONS
R/
BK
2 3
2 314
1
4
2
2
13
13
123
2
3
1 1
1
2
2 2
CHASSIS
GROUND
STAGE #1
BLOWER
#1
BLOWER #2
LOW GAS
BURNER
GROUND
HSI
AS
ESS
STAGE #1
2
# EG
A
T
S1# EGATS
7
6
AIR SW
2 3
CHASSIS
GROUND
Y
Y Y YY
T
BKR
W G
BKR W G
BK W G BK W G
GY
G
BK
BK or R
T
O
G GY
PR
O O/BK
O
PR
O/BK
12
15
PR
O
O
O
PR
O/BK
MAIN UNIT CONNECTIONS
D
E
GY
1
2
3
4
5
6
7
8
9
10
11
12
13
15
MAIN UNIT
CONNECTOR
IGNITER
CONNECTOR
S2
ALR
3
2
1
LBL2296 Rev -
14
STAGE #2STAGE #2
-24
S1
O/
BK
O
O
2
13
13
O/
BK
LOW
GAS
HIGH
GAS
NO COM NC
O/BK
PR
PR
PR
OPTIONAL
NO COM NC
13
13
2
2
2
PR
R
GY
5
W
W
Y
10 13
1
R
2
R/
BK
LWCO
F
D
A
C
E
B
O/
BK
O
O/BK
14
1 4
R R
R
Y
R/
BK
R R
R/
BK
991-2071
ONLY
991-2071 2071991-2071 651-2071
501-2071
R
501-2071
501-2071
CP
H
G
A
55