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General installation considerations for furnace placement and clearances.
Overview of air requirements for furnace combustion and ventilation.
Air requirements for direct-vent (2-pipe) furnace installations.
Air requirements for non-direct-vent (1-pipe) furnace installations.
Air requirements for ventilated combustion air furnace applications.
Guidelines for indoor combustion air using NFPA and AGA standards.
Method for determining indoor combustion air based on space volume.
Method for determining indoor combustion air based on air changes per hour.
Guidelines for systems using both indoor and outdoor air for combustion.
Information on the condensate trap in upflow furnace orientation.
Instructions for relocating the condensate trap in downflow orientation.
Instructions for relocating the condensate trap in horizontal orientation.
Routing the condensate drain line for upflow/downflow furnace orientations.
Instructions for connecting the condensate drain to the right side.
Instructions for connecting the condensate drain to the left side.
Specific installation procedures for upflow configurations.
Instructions for installing an N coil with specific furnace models.
Guidelines for connecting supply air ducts to the furnace.
Guidelines for connecting return air ducts to the furnace.
Instructions for using the bottom return air inlet.
Instructions for using side return air inlets, with configuration restrictions.
Specific installation procedures for horizontal furnace orientations.
Information on external filter placement and requirements.
General guidelines for designing and sizing furnace duct systems.
Guidance on selecting filters and sizing return ductwork.
Installation of the gas pipe grommet for direct vent applications.
Requirements for connecting the 115-volt power supply.
Procedures for installing the junction box for electrical connections.
Instructions for mounting an external electrical box to the furnace casing.
Guidelines for making 24-volt wiring connections.
Connecting accessories like EAC and Humidifier.
Specific venting requirements for installations in Canada per CSA B149.
Guidelines for determining the proper location for vent terminations.
Requirements for ventilated combustion air system terminations.
Requirements for non-direct vent (1-pipe) system terminations.
Specific vent termination requirements for Alberta and Saskatchewan.
Guidance on sizing vent and combustion air pipes based on length and fittings.
Step-by-step instructions for installing vent and combustion air pipes.
Procedures for installing vent terminations on roofs or sidewalls.
Specific clearance requirements for inside corner vent terminations.
Method for calculating total equivalent vent length and comparing to maximum limits.
General procedures and checks before furnace start-up.
Procedure for priming the condensate trap with water before operation.
Steps for purging gas lines and checking for leaks.
Procedure for checking the gas inlet pressure during maximum heat.
Steps to adjust manifold pressure to achieve proper gas input rate.
Procedure for measuring and adjusting the furnace temperature rise.
Procedures for checking the main limit switch and pressure switches.
How to retrieve and interpret stored fault codes from the furnace control.
Procedure to initiate and perform a component test sequence.
General guidelines for furnace maintenance and service.
Information on furnace electrical controls, wiring, and troubleshooting.
General recommendations for furnace care and preventative maintenance.
Procedures for cleaning or replacing the furnace air filter.
Steps for cleaning the furnace burners and flame sensor.
Instructions for flushing the collector box and condensate drainage system.
Steps for cleaning the condensate drain line and trap.
Procedures for cleaning primary heat exchangers.
Detailed sequence of operation for heating mode.
Detailed sequence of operation for cooling mode.
How the furnace operates in continuous blower mode.
List of replacement parts for the furnace casing.
List of replacement parts for the electrical system.
List of replacement parts for the blower assembly.
List of replacement parts for the filter and media cabinet.
Explanation of the furnace model identification nomenclature.
General
