International comfort products N9MP1 User's Information Manual page 6

Component Locations for Four Position 90+ Furnaces
Figure 3
Furnace Vent Pipe (Vent Pipe Connections
through Side Panel on Some Models)
Manual Equipment Shutoff Valve
Vent Pipe Grommet
Ignitor & Flame Sensor
(not shown)
Combustion Blower
1
/ ² ² ² ² I.D. Vent Pipe Drain Hose
2
5
/ ² ² ² ² I.D. Transition Box Drain Hose
8
Door Interlock Switch
Condensate Trap
Diagnostic Light
Furnace Control
Representative drawing only, some models may vary in appearance.
Component Locations for
Figure 4
80+ Furnaces (4- -Position)
Pressure
Switch
Venter
(Some
models
have one)
Gas
Valve
Main
Burners
Ignitor &
Flame
Sensor
(not shown)
Furnace
Control
Diagnostic
Light
Representative drawing only, some models may vary in appearance.
6
Vent Drain
Fitting
Rating Plate
Heat
Exchanger
Manual
Equipment
Shutoff
Valve
Drip
Leg
Circulating
Blower
Circulating
Blower
Rating
Motor
Plate
25--24--79--1
User's Information Manual
Air Intake Pipe
(Required only for Direct- -Vent Furnaces)
Primary Heat Exchanger
Furnace Main Gas Control Valve
Secondary
Heat Exchanger
Pressure Switches
(some models have one)
Plastic Transition Box
Circulating Air Blower
Component Locations for
Figure 5
80+ Furnaces (Downflow)
Circulating
Circulating
Blower
Blower
Motor
Heat
Exchanger
Pressure
Switch
Manual
Equipment
Shutoff Valve
Drip
Leg
Rating Plate on
inside of casing
Representative drawing only, some models may vary in appearance.
25--24--78--1
Furnace
Control
Diagnostic
Light
Venter
Furnace
Main Gas
Control Valve
Ignitor &
Flame
Sensor
(not shown)
Main Burners
25--24--20a--1D
441 02 2011 00