1010352-UUM-E-0814
2
Johnson Controls Unitary Products
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.
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.
FIGURE 1:
Component Location - 80% Single & Two Stage Models
FIGURE 2:
Component Location - 95% Single & 96% Two Stage Models
Vent Pipe
Pressure
Switch
Silicone
Tube
Rollout
Safety Switch
Gas Valve
Flame
Sensor
Induced Draft
Assembly
Induced
Draft Motor
Limit
Switch
Ignitor
Manifold Pipe
Safety
Door
Switch
Control Board
Flue Collar
Electrical
Junction
Box
Blower
Transformer
Capacitor
(Not used on all models)
Power Factor
Choke
(Not used on
all models)
Vent Pipe
Pressure Switch
Manifold
Pipe
Rollout Safety Switch
Gas Valve
Flame Sensor
Manifold Draft
Assembly
Limit Switch
Ignitor
Safety
Door
Switch
Control Board
Electrical
Junction
Box
Blower
Transformer
Capacitor
Condensate Pan
Silicone
Tube
(Not used on all models)
Power Factor
Choke
(Not used on
all models)
FIGURE 3:
Component Location - 80% Modulating PSC Models
FIGURE 4:
Component Location - 80% Modulating ECM Models
Pressure
Sensor
Silicone
Tube
Rollout
Safety Switch
Gas Valve
Flame
Sensor
Induced Draft
Assembly
Induced
Draft Motor
Limit Switch
Ignitor
Manifold
Pipe
Safety
Door Switch
Control
Board
Flue
Collar
Electrical
Junction Box
Blower
Transformer
Capacitor
PSC MOTOR
Pressure
Switch
Pressure
Switch
Pressure
Sensor
Silicone
Tube
Rollout
Safety Switch
Gas Valve
Flame
Sensor
Induced Draft
Assembly
Induced
Draft Motor
Limit Switch
Ignitor
Manifold
Pipe
Safety
Door Switch
Control
Board
Flue
Collar
Electrical
Junction Box
Blower
Transformer
Power Factor
Choke
ECM MOTOR
(Not used on
all models)
