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General| Model | DX1B080A9421A |
|---|---|
| Heating Capacity | 80, 000 BTU |
| Efficiency Rating | 80% |
| AFUE | 80% |
| Ignition Type | Direct Spark Ignition |
| Fuel Type | Natural Gas |
| AFUE Rating | 80% |
| Stages | Single Stage |
| Gas Valve Type | Single Stage |
| Cabinet Width | 17.5 inches |
| Weight | 130 lbs |
| Blower Motor Type | Multi-Speed |
| Vent Diameter | 4 inches |
| Filter Size | 16x25 inches |
Provides fundamental guidelines for installing the furnace unit.
Details required space and clearances around the furnace for safe operation.
Provides detailed dimensional drawings and model specifications for the furnace.
Instructions for installing the furnace in an upflow orientation.
Instructions for installing the furnace in a downflow orientation.
Guidelines for installing the furnace in a horizontal orientation.
Specifies necessary air supply for furnace combustion and ventilation.
Guidance on connecting supply and return air ductwork to the furnace.
Details on selecting, installing, and maintaining return air filters.
Covers essential principles for installing the furnace venting system.
Lists approved materials and types for furnace venting systems.
Provides tables for maximum vent lengths and clearances.
Illustrates possible configurations for horizontal furnace venting.
Instructions for routing the vent pipe through an exterior wall.
Guidance for terminating the vent system through the roof.
Procedures for installing a downward vent configuration.
Instructions for using a masonry chimney for venting.
Guidelines for installing the condensate drain system to manage moisture.
Details on making electrical connections to the furnace.
Provides diagrams for electrical wiring and component connections.
Instructions for proper gas piping installation and connection.
Procedures for checking and verifying the furnace's combustion input rate.
Checklist of pre-startup checks for the furnace and its installation.
Step-by-step guide for lighting the furnace and initial operation.
Describes the operating sequence of the furnace control module.
Procedures for checking and adjusting safety controls and switches.
Guidance on adjusting airflow for optimal furnace performance.
Lists and explains error codes generated by the furnace control module.
