COMPONENT NAME
ITEM
Blower Assembly
1.
Blower Door Switch
2.
Burner Assembly
3.
Control Board
4.
Flame Sensor
5.
Gas Manifold
6.
Gas Valve
7.
Igniter
8.
Inducer Assembly
9.
Limit Switch
10.
Pressure Switch
11.
Roll-Out Switch
12.
Transformer
13.
COMPONENT NAME
ITEM
1.
Blower Assembly
Blower Door Switch
2.
(behind blower panel)
3.
Burner Assembly
4.
Combustion Tube
5.
Control Board
6.
Flame Sensor
7.
Gas Manifold
8.
Gas Valve
9.
Igniter
10.
Inducer Assembly
11.
Limit Switch
12.
Pressure Switch
13.
Roll-Out Switch
14.
Transformer
LOCATION OF FURNACE COMPONENTS
9
10
13
12
8
2
Figure 19. Upfl ow/Horizontal Gas Furnace
1
2
4
10
11
13
9
Figure 20. Downfl ow Gas Furnace
4
STATUS
FLAME
9
6 3
BLOWER
180
8
5
2
120
OFF
90
7
4 1
DELAY
7
60
6 3
5
2
4 1
11
5
6
3
1
5
STATUS
FLAME
9
6 3
BLOWER
180
8
5
2
120
OFF
90
4 1
7
DELAY
60
14
6 3
5
2
4 1
12
8
6
7
3
35