12
Wiring Diagram for 8900-III
DC Wiring Diagram
+12 VDC red
Circuit breaker
ON/OFF Switch
+Thermo blue
-12 VDC yellow
Thermo blue
red
yellow
blue
motor
relay
red
blue
sail
switch
limit
switch
blue
red
power
valve
gnd
high voltage
yellow
1 2
gas
3 4
valve
IMPORTANT:
If any original wire has to be replaced,
it must be replaced with type 105
°
C
or its equivalent.
red
yellow
Supply LeadsFurnace Wiring
(+) 12 volt DCto(+) 12 volt DC (red wire)
(-) 12 volt Dto(-) 12 volt DC (yellow wire)
thermostattothermostat (blue wires)
RELAY
YELLOW
RED
GREEN
HIGH TENSION
RED
YELLOW
ELECTRODE
VALVE
MOTOR
CIRCUIT
BREAKER
IGNITION
CONTROL
SAIL
SWITCH
BLUE
LIMIT
SWITCH
BLUE
+
THERMO BLUE
GROUND
THERMOSTAT
OFF
ON
BLUE
GREEN
GREEN
BLACK
BLACK
BLACK
1 1
2
2
3 3
YELLOW
WHITE
BLACK
WHITE
-
THERMO BLUE
WHITE
WHITE
BROWN
AC CAPACITOR
MOTOR RUN
120 VAC GREEN
120 VAC BLACK
120 VAC WHITE
TRANSFORMER
BLACK
BLUE
RED
YELLOW
HIGH TENSION
+ 12V DC
NEG
RED
YELLOW
ELECTRODE
YELLOW
VALVE
RED
1
4
2
5
3
6
1
4
2
5
3
6
+THERMO
MOTOR
CIRCUIT
BREAKER
IGNITION
BOARD
BLO
PWR
SAIL
SWITCH
BLUE
BLUE
LIMIT
SWITCH
WHITE
BLUE
YELLOW
GROUND
THERMOSTAT
ON
OFF
ON/OFF
SWITCH
THERMO
DC Wiring Diagram
AC Wiring Diagram
RED
BLACK
BLUE
RED
YELLOW
HIGH TENSION
+ 12V DC
NEG
RED
YELLOW
ELECTRODE
YELLOW
VALVE
RED
1
4
2
5
3
6
1
4
2
5
3
6
+THERMO
MOTOR
CIRCUIT
BREAKER
IGNITION
BOARD
BLO
PWR
SAIL
SWITCH
BLUE
BLUE
LIMIT
SWITCH
WHITE
BLUE
YELLOW
GROUND
THERMOSTAT
ON/OFF
SWITCH
THERMO
DC Wiring Diagram
R
E
D
WITHOUT DOOR
WITH DOOR
WITH DOOR
R
E
D
R
E
D