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Steps for safe operation of the venting system to prevent CO poisoning or death.
Warnings and precautions to prevent fire or explosion, including gas leak detection.
Measures for handling fiberglass wool insulation and ceramic fibers, including first aid.
Warning regarding propane gas being heavier than air and the need for detection devices.
Explanation of WARNING and CAUTION signals used in safety markings.
Requirements for furnace placement, spacing, and clearances from combustible materials.
Specific procedures for installing furnaces in upflow and downflow configurations.
Guidelines and support requirements for mounting furnaces horizontally.
Precautions regarding exposure to fuel substances and by-products of combustion.
Details for providing combustion air in unconfined and confined spaces.
Safety note about careful handling of sharp edges during duct work.
Procedures for installing return air filters in upflow furnace configurations.
Steps for installing filter racks for bottom return air on upflow furnaces.
Steps for installing filter racks for side return air on upflow furnaces.
Filter installation procedures for upflow furnaces in horizontal configurations.
Procedures for installing return air filters in downflow furnace configurations.
Safety steps for operating venting systems to prevent CO poisoning or death.
Guidelines for positive-pressure venting systems and exhaust to outdoors.
Illustrations of various vent and inlet pipe configurations for different applications.
Procedures for connecting and sealing PVC vent pipes using cement and primer.
Sealing requirements for vent and inlet air pipes using RTV sealant.
List of part numbers for replacement orifices used for input rate correction.
Warning on insulating vent pipes exposed to temperatures below freezing.
Rules for vent termination locations to avoid nuisances or hazards.
Specific state regulations for side wall venting, including CO detectors.
Requirements for installing hard-wired and battery-operated CO detectors.
Material requirements and installation direction for stainless steel vent fittings.
Procedures for routing vents through existing masonry chimneys.
Table detailing clearance requirements for non-direct vent terminals.
Guidelines for supporting horizontal vent pipes and achieving proper slope.
Details on condensate traps, drainage, and priming for proper operation.
Instructions for connecting condensate drains on upflow vertical units.
Measures to prevent drain line freezing, including heat tape application.
Drain connection instructions for upflow vertical furnaces.
Drain connection instructions for downflow vertical furnaces.
Drain connection instructions for horizontal furnaces.
Visual representations of gas piping connections for upflow furnaces.
Visual representations of gas piping connections for downflow furnaces.
Visual representations of gas piping connections for horizontal furnaces.
Critical safety warnings regarding gas leaks, connections, and testing.
Steps to verify furnace input rate, gas flow, and combustion.
Steps for adjusting manifold pressure and gas valve settings.
Visuals for gas valve pressure adjustment points and front cover rotation.
Warnings about explosion hazards and leak testing gas connections.
Procedure for correctly reinstalling the burner box cover after servicing.
Guide for selecting correct orifices based on installation altitude.
Details on optional high altitude conversion kits for specific models.
Wiring diagram for single-stage heating using a 1-stage thermostat.
Wiring diagram for 2-stage heating with a 2-stage thermostat, no cooling.
Wiring diagram for 1-stage heating and 1-stage cooling.
Wiring diagram for 2-stage heating and 1-stage cooling.
Wiring diagram for 2-stage heating and 2-stage cooling.
Instructions for connecting an optional humidistat to the furnace control board.
Essential initial checks before starting the furnace operation.
Safe procedures for manually lighting the furnace burner.
Adjusting limit switches, pressure switches, and other safety controls.
Step-by-step explanation of the furnace's operating cycles for heating stages.
Settings for blower fan off delays based on dip switch configurations.
Guidance on adjusting heat anticipator settings for optimal comfort.
Information on modifying airflow settings for improved performance.
Safety warning about operating the furnace with doors removed or ajar.
Critical safety warning for owners regarding gas supply and electrical power.
Description of the manual reset temperature limit device on the burner box.
Factors that can impact furnace operation, such as venting or flame loss.
Interpretation of red LED flash codes indicating furnace faults.
Understanding the green LED status for normal operation and calls for heat.
Procedures for recovering and resetting fault codes from the furnace control.
General