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356486-UUM-E-0109
FIRE OR EXPLOSION HAZARD
This furnace is designed and approved for use with Natural Gas
and (LP) Propane Gas ONLY. DO NOT BURN ANY LIQUID FUEL
OR SOLID FUEL IN THIS FURNACE.
Burning any unapproved fuel will result in damage to the furnace
heat exchanger, which could result in Fire, Personal Injury, and/or
Property Damage.
Silicone
Tube
Induced
Draft Motor
Pressure
Switch
Limit Switch
Electrical
Junction Box
Flame
Sensor
Safety
Door Switch
Blower
Transformer
FIGURE 1: Component Location - 80% Single Stage Models
Silicone
Tube
Induced
Draft Motor
Pressure
Sensor
Limit Switch
Electrical
Junction Box
Flame
Sensor
Safety
Door Switch
Blower
Transformer
FIGURE 3: Component Location - 80% Modulating PSC Models
2
Vent Pipe
Flue
Collar
Induced Draft
Assembly
Ignitor
Gas Valve
Rollout
Safety Switch
Manifold
Pipe
Control
Board
Capacitor
(Not used on
all models)
Flue
Collar
Pressure
Switch
Induced Draft
Assembly
Gas Valve
Ignitor
Rollout
Safety Switch
Manifold
Pipe
Control
Board
Capacitor
PSC MOTOR
SECTION II: INSTRUCTIONS FOR
EXAMINING THE FURNACE
INSTALLATION
It is the owner's responsibility to ensure that an annual inspection of the
entire heating portion of the unit is made by a qualified service agency.
Examine the furnace as outlined below in steps "1 - 8" before each
heating season. Use Figures 1 - 6 for visual reference.
Manifold
Pipe
Ignitor
Gas Valve
Electrical
Junction Box
Silicone Tube
Safety
Door Switch
Transformer
Blower
FIGURE 2: Component Location - 95% Single Stage Models
Silicone
Tube
Induced
Draft Motor
Pressure
Sensor
Limit Switch
Electrical
Junction Box
Flame
Sensor
Safety
Door Switch
Blower
Transformer
FIGURE 4: Component Location - 80% Modulating ECM Models
Rollout
Safety Switch
Flame Sensor
Limit Switch
Vent Pipe
Pressure
Switch
Manifold Draft
Assembly
Condensate
Pan
Control
Board
Capacitor
(Not used on
all models)
Flue
Collar
Pressure
Switch
Induced Draft
Assembly
Gas Valve
Ignitor
Rollout
Safety Switch
Manifold
Pipe
Control
Board
Power Factor
Choke
(Not used on
all models)
ECM MOTOR
Johnson Controls Unitary Products
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