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3.12 Main Wiring Diagrams
ONLY
EXPORT
PUMP
LEFT
LEFT
LEFT
TEMP
PROBE
RIGHT
RIGHT
RIGHT
VALVE
GAS
RIGHT SAFETY
DRAIN SWITCH
51C
C
42C
NC
NO
12C
LIMIT
HIGH
GRN
GND
GND
BURNER
25V
GND
GND
47
6
5
9
8
1
3
2
10
12
11
7101 4
6
8
9
11
2
3
5
12
LEFT IGNITOR
MODULE
IGNITION
LEFT
25V
ALARM
VALVE
82C
25V
GND
25V
BURNER
VALVE
ALARM
137101 4
14
15
6
8
9
11
2
3
5
12
TO J2
CNO
NC
BLK
WHT
7
24V TRANS
LOAD
LINE
LOAD
LINE
27C
YLW
BLK
RED
26C
PRP
BLU
BLK/YLW
PUMP
FILTER
43C
4
3
2
1
5
6
NC
C
8050926E
22C
NO
BLOWER SWITCH
4C
5C
IGNITION
MODULE
RIGHT
82C
12V TRANS
RELAY
3
4
65
1
2
LOAD
18C
16C
21C
28C
BLOWER
17C
102C
23C
16C
PROBE
TEMP
18C
14C
39C
38C
40C
LINE
24V TRANS
10C
23C
4C
105C
SOUND DEVICE
SOUND
1
J2
28C
11C
25C
OIL
C
NC
NO
RETURN
SWITCH
54C
48C
HEATER
2
3
915
10
11
6
4 128
13
14
15
16
OIL RETURN
21C
EXTENSION
TRANSFORMER REAR
DRAIN SWITCH
36C
LEFT SAFETY
51C
3C
2C
1C
GND
J3
LED 5
PWR
V1D
V1S
ALM
K4
RELAY
R-GV
K3 HEAT
RIGHT
HEAT
LED 4
FULL POT ONLY
COMPUTER OR CONTROLLER
81C
1114 13
HEAT
74
RELAY
T
M
MELT SWITCH
12V
3
J1
2
24V
LED 3
K2
L-GV
LED 1
LEFT HEAT
LED 2
K1 HEAT
RELAY
HIGH
LIMIT
GND
V2D
7C
ALMD
PWR
ALMS
9C
6C
5
9
RELAY
SWITCH
ON/OFF
TROUBLE
V2S
8C
32 1
10C
INTERFACE BOARD
10
LED 6
GAS
VALVE
41C
RIGHT IGNITOR
BIH152 Main Wiring Diagram (U.S., CE, and Non-CE Export)