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