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General| Model | 986TB |
|---|---|
| Heating Capacity | 60, 000 - 120, 000 BTU/h |
| Fuel Type | Natural Gas |
| Blower Type | Variable Speed |
| Stages | Two-Stage |
Covers fire, explosion, electrical shock, and carbon monoxide hazards.
Addresses potential unit component damage due to improper installation or operation.
Covers air requirements for direct-vent furnace installations.
Details air requirements for non-direct vent furnace installations.
Explains air requirements when using ventilated combustion air.
Details requirements for the Standard Method of indoor combustion air supply.
Explains requirements for the Known Air Infiltration Rate Method for indoor air.
Outlines requirements for systems using both indoor and outdoor air sources.
Instructions for the condensate trap in upflow installations.
Details condensate trap relocation for downflow installations.
Describes condensate trap setup for horizontal installations.
Specifics for condensate drain routing in upflow/downflow positions.
Step-by-step guide for right-side condensate drain installation.
Step-by-step guide for left-side condensate drain installation.
Specific installation steps for upflow configurations.
Guidelines for connecting supply air ducts to the furnace.
Guidance on sizing filters and return ducts for optimal performance.
Outlines standards and practices for duct system design and installation.
Factors to consider when sizing return air ductwork.
Information on reducing noise transmission in duct systems.
Critical safety warnings related to gas piping installation and testing.
Instructions for installing the gas pipe grommet, especially for direct vent.
Essential safety precautions for electrical work on the furnace.
Steps for making field line voltage connections using the J-box.
Instructions for mounting an external electrical box to the furnace casing.
Specific rules for venting systems installed in Canada.
Steps and considerations for installing vent terminations on a roof.
Instructions for installing concentric vent terminations.
Recommendations for supporting vent terminations for stability and longevity.
Critical steps to follow before and during initial furnace operation.
How to configure furnace settings using DIP switches for optimal operation.
Instructions for priming the condensate trap to ensure proper drainage.
Steps to initiate and perform component tests for troubleshooting.
Instructions for cleaning or replacing the air filter.
Procedures for cleaning the blower motor and wheel for optimal airflow.
A guide to diagnosing and resolving furnace operational issues.
How to access and interpret stored status codes for diagnostics.
Steps to perform a self-test of furnace components for verification.
Steps for maintaining the air filter, including cleaning or replacement.
Instructions for cleaning the blower motor and wheel for efficiency.
Details on cleaning the primary heat exchangers to remove dirt or dust.
Describes heating operation with a single-stage thermostat.
Explains how the furnace operates in cooling mode with various thermostat types.
Sequence of operation when the furnace is used with a heat pump.
List of replaceable parts within the furnace casing.
List of replaceable electrical components.
List of replaceable parts related to the blower assembly.
List of replaceable parts for the gas control system.
