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General| Fuel Type | Natural Gas |
|---|---|
| Efficiency | 80% AFUE |
| Configuration | Upflow/Horizontal |
| Blower Type | Multi-Speed |
| Blower Motor Type | PSC |
| Stages | Single-Stage |
| Ignition Type | Direct Spark Ignition |
| Vent Diameter | 4 inches |
| Dimensions (HxWxD) | Variable, depends on model |
Key safety rules and precautions for furnace installation and operation.
Details on furnace models, dimensions, and key specifications.
Air flow data for various furnace models and blower speeds.
Overview of furnace electrical connections, components, and fault codes.
Details on furnace design, certification, and intended applications.
Guidelines for choosing a location and required installation clearances.
Describes approved furnace installation orientations and related safety notes.
Warnings about substances that can contaminate combustion air and damage the furnace.
Guidance on providing sufficient air for combustion and ventilation.
Specifies air opening requirements for confined spaces using indoor air.
Specifies air opening requirements for confined spaces using outdoor air.
Details on outdoor air intake methods for horizontal duct installations.
Guidelines for connecting supply and return ductwork, including panel removal.
Steps to convert the furnace for downflow installation, including base requirements.
Details mandatory air filter usage, optional racks, and filter material considerations.
Pre-installation checks for existing vent systems and general installation rules.
Guidelines for common venting into masonry chimneys.
Approved usage of Type B vents for dedicated or common vent systems.
Details on horizontal venting, including auxiliary draft inducer kits.
Clearances and placement rules for horizontal vent terminals.
Common venting rules and termination requirements for vent systems.
Instructions for converting the furnace to a side flue exhaust configuration.
Permissible configurations for horizontal furnace installation.
Procedure to check if a shared vent system is too large for the furnace.
Requirements for electrical grounding, wiring, and temperature limitations for unit connections.
Guidelines for gas supply piping size, installation, and pressure specifications.
Procedures for testing gas connections for leaks and associated safety warnings.
Step-by-step process for initiating and maintaining heating operation.
Sequence for purging the combustion chamber and the ignition trial period.
Details on blower start-up, post-purge, and off-delay timing.
Sequence for cooling operation and continuous fan mode.
Steps to follow before and during the initial startup of the furnace.
Procedure for adjusting manifold pressure for optimal furnace input.
Methodology for calculating the furnace's actual heat input rate.
Guidelines for selecting burner orifices and adjusting for altitude.
Procedure for adjusting blower speed to meet specified temperature rise.
Testing the limit control and flame rollout safety switches.
Procedure to test the pressure switch for proper safety operation.
Visual representation of the direct ignition system's operational sequence.
Annual inspection procedures for heat exchanger, burners, and venting system.
Detailed steps for removing and reinstalling the burner manifold assembly.
Specific instructions for removing only the manifold pipe assembly.
Procedure for safely removing and reinstalling the furnace blower assembly.
Guide to understanding LED indicators for diagnosing furnace faults.
Explanation of soft and hard lockout states and their reset procedures.
Diagram illustrating the furnace's electrical connections and component layout.
