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Installation and Service Manual
CONTROL BOX CONNECTIONS
J3
5
4
6
1
2
3
O.C .
J1
J2
3
21
J4
P
O
24VAC XFMR.
DISPLAY BOARD
ALARM
ENABLE RELAY
24V
SENSOR CONNECTOR
120V
24V
FLAME FAIL
ENABLE RELAY
24V
BKW
BL
Y
Y
Y
S2/FS
F2
F1
S1
NEU
4
2
3
11
-
+
-
+
IGNITION
MODULE
TH
10
PI
9
8
24COM
RESET
7
24VAC
6
MV
5
PS
4
3
M/S
2
FF
1
LINE
IGN1
IGN1
P1
S2+
S2-
+24
COM
ALR
RST1
STG #1
Y
PR
Y
P
BL
PR/
BK
Y
P
123
PR
OPTIONAL
PR Y BL
PR/
BK
5
4
3
2
1
1 2
3
4
TO
LWCO
1
2
4
5
7
8
9
10
11
12
13
15
1
2
3
4
5
6
7
8
9
10
11
12
13
15
123
PR/
BK
LBL20011 REV A
5
1
CONTROL BOX CONNECTIONS
W
BK
BK
BK
/W
BK
W
O
Y
R/BK
BK
BK
W
W
T
BK
G W
BK/
W
BR
/W
BL
P
T/W
T
O/
W
T
BL/
BK
123
BL
A
B
C
E
D
F
F
CHASSIS
GROUND
24V
COMMON
AC POWER
CONNECTOR
WIRING BOX
CONNECTOR
MAIN UNIT
CONNECTOR
IGNITER
CONNECTOR
24V
-24V COM
NEUTRAL
LINE
GROUND
14
SERVICE
GY
3
1
6 5 4
9
7
BK
PR
BL/
BK
W
RESET
TO
LWCO
6
5 4
9
7
BL/
BK
TEST SWITCH
CHASSIS
GROUND
14
Y
P
O/
BK
CONNECTION DIAGRAM A
O
CIRCUIT
BREAKER
TH
BLR/LVR
R/
BK
G
OPTIONAL
5
4
3
2
1
RUNTIME
MONITORING RELAY
24V
Y
R
R
P
P
R
Y
P
P
NOT USED
NOT
USED
CONNECTED
UNLESS
ALARM
ADDED
1
2
3
4
5
6
7
8
9
10
11
12
G
GY
GY
S1
321
6
4
5
6
BL
O/W
O/W
Y
321
4
6
5
G
G
PURGE/
SERVICE
MAINT.
12121212
Q1 Q2 Q3 Q4
L1NI1I2I3I4I5I6I7I8
Y
R
BL
BR
O
PUMP
PURGE
ON/OFF
SWITCH
PUMP PURGE
OPTIONAL
PR
OBLBRO/BK BL T
BL Y O PR R P
OPTIONAL
SERVICE/MAINT. RESET SWITCH
P
BL
BL
R
(SERVICE / MAINTENANCE
INDICATOR)
OPTIONAL
SERVICE-
MAINT
T
BR
BL
N.O.
O
O/BK
T
T
6 2 5
7 5
1
2
6
8
1
2
3
4
4
R
123
564
ELECTRONIC
CONTROLLER
2
3
4
5
6
7
8
9
1
12
BR
W
BR/W
PR/BK
BL
PR
BL
BR
W
PR
BR/W
T
PR/
BK
BR/W
P
BL
BL
R/BK
O/W
O/BK
W/R
BR
14
15
16
17
18
19
20
21
22
23
13
24
n/a
n/a
R/BK
BL
PR
PR
R
ALARM
DELAY
CONNECTOR
3
ALARM
DELAY
HtD
Delay
43
R
ALR
1 7
12 10
1513
9
P
R
10
15
14
13
1112
O
P
Y
BL
R
T/W
BL/W
GY
GY
P
R
T
BK
PR/BK
Y
W
BL/W
BL
PR
PR/BK
PR
PR
1
34
2
1
34
2
BL
GY
GY
GY
AUTOMATIC
VALVE
BL
Y
W/R
1
2
3
4
VALVE LOCATED
IN PIPING LOOP
ACTIVE INPUT
CLOSE
P
OPEN
T
CP
R
O/
BK
BR
PR PR
5
Y
Y
Open
Close
24V
24Com
RESET
BL
Y
3
1
PR
O
O
Y
O
BL/
BK
BL
PR
PR
6
BL
T
T
T
PR PR
24 VAC
LWCO
57