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