41
LOCATION OF FURNACE COMPONENTS
Figure 28. Furnace Components
12
34
56
78
Motor Choke
(C & D cabinets only)
Motor Control Board
Motor Control Box
Blower Door Switch
Burner Assembly
Flame Sensor
Gas Manifold
Gas Valve
Igniter
Inducer
Assembly
Pressure Switch
Roll-Out Switch
Transformer
Blower Assembly
Furnace Control Board
Main Air
Limit Switch
1
2
3
4
5
6
7
8
Furnace Control Board
Comb
ustion T
ube
Gas Manifold
Gas Valve
Inducer Assembly
Pressure Switches
Transformer
Blower Assembly
(behind blower panel)
Burner
Assembly
Flame
Sensor
Roll-Out
Switch
Igniter
Main Air Limit Switch
Blower Door Switch
(behind blower panel)
Motor Choke
(C & D cabinets only)
Motor Control Board
Upfl ow / Horizontal Furnace
Downfl ow Furnace