Filter
Top Products
Installation and
Service Manual
69
WIRING DIAGRAM A 990,000 - 2,070,000 BTU/HR
MODELS
J3
54
6
1
2
3
O.C .
J1
J2
3
2
1
J4
P
BK
/W
BR
FF
12
3
5
6
4
4
5
6
1
2
3
24VAC XFMR.
ELECTRONIC
CONTROLLER
DISPLAY BOARD
ALARM
ENABLE RELAY
24V
PRESSURE
SWITCH
PROVING
RELAY 24V
RUNTIME STG 1
SENSOR
CONNECTOR
CIRCUIT
BREAKER
120V
24V
TEST
OPTIONAL
OPTIONAL
FLAME FAIL
ENABLE RELAY
24V
BKW
BL
Y
Y
Y
S2/FS
F2
F1
S1
NEU
4
2
3
11
-
+
-
+
IGNITION
MODULE
#1
TH
10
PI
9
8
24COM
RESET
7
24VAC
6
MV
5
PS
4
3
M/S
2
FF
1
RELAY BOARD
LINE
S2/FS
F2
F1
S1
NEU
4
2
3
11
-
+
-
+
TH
10
PI
9
8
24COM
RESET
7
24VAC
6
MV
5
PS
4
3
M/S
2
FF
1
LINE
IGN1
IGN1
P1
S1
S2
S2+
S2-
+24
COM
ALR
RST1
2
3
4
5
6
7
8
9
1
12
STG #1
STG #3
Y
PR
Y
P
BL
PR/
BK
Y
P
1
23
PR/
BK
T
T
BR
BR
Y
BR/
W
OPTIONAL
4
5
6
1
2
3
Y
BR/
W
PR Y
BL
PR/
BK
5
4
3
2
1
5
4
3
2
1
RUNTIME
MONITORING
RELAYS
24V
1 2
3
4
TO
LWCO
5
6
1
3 9 8
7
13
14
12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1011
1
2
3
4
5
6
7
8
9
10
11
12
13
15
321
6
4
PR/
BK
3
1
6 5
4
9
7
2
5
1
5
1
1
3
2
4 7
8
6
9
IGNITION
MODULE
#2
15
TO
LWCO
3 1
6 5 4
9
7
P
P
P
P
Y
Y
O/W
P
Y
BL
R/O
T/W
G
PR/
BK
GY/W
W
BK
GY/
W
GY/
W
G
G
GY/
W
GY
GY/
W
O
P
Y
BL
R
T
G
PR/
BK
GY
W
BK
GY
GY
GY
BL/W
BR
W
PR
BR/W
T
PR/BK
BK
BK/
W
BK
W
BK
BK/W
BK
W
R
O
R/O
O/W
Y
R/BK
BK
BK
R
R
W
W
T
T/W
BK G
W
BK/
W
R
R/W
P
P
BR/W
T
R/
BK
R/O
PR
Y
O/
BK
O/
B
K
T
T
1
2
3 4
GY/W
BL
BK
BL/
BK
PR
1
2
3
4
5
6
7
8
10
R
R
R/W
GY/W
GY/W
P
R/O
R/W
BK
W
BL
/W
GY
GY
P
R/BK
R
BK
PR/BK
Y
W
BL
PR
Y
Y BL
BR
W
PR
BR/W
T
PR/
BK
R/O
R
O/W
R/W
O/BK
R/BK
O
R/BK
O/BK
R/W
BR
BL/W
BL
123
BL
A
B
C
4
G
E
D
F
F
R
BK
BK
R
W
STG
#2
STG
#4
9
R/ W
R/O
R/ W
Y
G
G
G
R/BK
R
CHASSIS
GROUND
24V
COMMON
BL
AC POWER
CONNECTOR
WIRING BOX
CONNECTOR
MAIN UNIT
CONNECTOR
IGNITER
CONNECTOR
14
15
16
17
18
19
20
21
22
23
13
24
n/a
n/a
R/BK
24 V
-24V COM
ALARM
NEUTRAL
LINE
TH1
LIMITS
GROUND
8 5
1
96 7
13
15
12 10
11
3
14
4 2
BL
BL/
BK
Y
O
14
5
PR
CHASSIS GROUND
BL/
BK
W
Y
TH2
RUNTIME STG 3
GY
T
T
T/W
T/W
TUBING
SHRINK
CONNECTED UNLESS
ALARM ADDED
LBL20013 REV A
CONNECTION DIAGRAM A
CONTROL BOX CONNECTIONS
1
2
3
4
5
6
7
8
9
10
11
12
IGN2
IGN2
P2
S3
S4
S2+
S2-
RST2
1
2
3
4
5
6
7
8
9
10
GND
RESET
T
T
T
RESET
PR
PR
PR
PR
Y
Y
BL
BL
BL/
BK
O
PRPR
24 VAC
LWCO
NOTES:
1. MATERIAL: PRESSURE SENSITIVE WHITE NYLON WITH BLACK
LETTERING,ADHESIVE GOOD FOR 175°F, NON-WATER SOLUBLE.
2. BACKING: 11.00" H X 17.00" W