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Trane S8B1A026M2PSC User Manual

Trane S8B1A026M2PSC
80 pages
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SSAAFFEETTYY WWAARRNNIINNGG
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
May 2022
SS88XXBB--SSVVXX000011--11AA--EENN
Upflow/Downflow/Horizontal
Gas-Fired, 1–Stage and 2–Stage Induced Draft Furnaces with
High Efficiency Motor
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Single Stage Two Stage
S8B1
S8X1
S8X2
S8B1A026M2PSC
S8B1A040M3PSC
S8B1B040M2PSC
S8B1B060M4PSC
S8B1B080M4PSC
S8B1C080M5PSC
S8B1C100M5PSC
S8B1D120M5PSC
S8X1A026M2PSC
S8X1A040M3PSC
S8X1B040M2PSC
S8X1B060M4PSC
S8X1B080M4PSC
S8X1C080M5PSC
S8X1C100M5PSC
S8X1D120M5PSC
S8X2A040M3PSC
S8X2B060M4PSC
S8X2B080M4PSC
S8X2C080M5PSC
S8X2C100M5PSC
S8X2D120M5PSC
NNoottee:: This Installation, Operation, and Maintenance is used for multiple furnace
families. Models may have a “T” in the 12th digit designating they meet
California less than 40 ng/J (NOx) emissions requirements.
NNoottee:: Graphics in this document are for
representation only. Actual model may
differ in appearance.
S8XB-SVX001-1A-EN
Installation, Operation, and Maintenance
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Trane S8B1A026M2PSC Specifications

General IconGeneral
Model NumberS8B1A026M2PSC
CategoryFurnace
TypeGas
Efficiency80% AFUE
Blower MotorPSC
IgnitionHot Surface Ignition
Heat ExchangerAluminized steel
Fuel TypeNatural gas
Output BTU/h26, 000 BTU/h
StagesSingle Stage
Warranty10-Year Limited Warranty on Heat Exchanger, 5-Year Limited Warranty on Parts

Summary

Furnace Model Identification

Single Stage Models

Lists single-stage furnace models by configuration.

Two Stage Models

Lists two-stage furnace models by configuration.

General Safety Information

Fire, Explosion, and Electrical Hazards

Critical warnings about fire, explosion, electrical shock, and CO risks.

Installation and Handling Safety

Precautions for installation, chemical exposure, and general hazards.

Operational and Environmental Safety

Warnings on overheating, voltage, corrosion, and equipment damage.

Component and Service Cautions

Cautions for sharp edges, freeze protection, service, and wiring.

Product Specifications

Model Ratings and Blower Drive Details

Performance data including BTUH, temp rise, and blower specs.

Combustion and Venting Specifications

Details on combustion fan, vent pipe, and heat exchanger.

Installation Guidelines

Safety Practices and Precautions

Crucial safety steps for installation, servicing, and operation.

Locations and Clearances

Specifies minimum clearances for safe furnace placement.

Gas Piping and Venting

Guidelines for gas piping connections and venting options.

Wiring Diagrams

Field Wiring Connections

Diagrams for thermostat and outdoor unit connections.

Twinning Furnace Wiring

Wiring configurations for dual furnace installations.

Airflow and Control

Airflow Tables

Data on airflow (CFM) vs. external static pressure.

Setting Blower Motor Airflow

Procedure for adjusting blower speed taps for optimal airflow.

Integrated Furnace Control

System Menu Navigation and Status

Navigating menus, understanding system status, and modes.

Display Codes and Fault Recovery

Explains menu options, status, and error codes.

Troubleshooting Guide

Troubleshooting Flowchart Index

Index of common fault codes and troubleshooting steps.

Initial Diagnostics and IFC Faults

Initial diagnostic steps and IFC-related fault codes.

Pressure Switch and Flame Sensor Issues

Diagnosing problems with pressure switches and flame sensors.

Sequence of Operation

Gas Heating Operation Sequence

Step-by-step operation during gas heating modes.

Cooling and Heat Pump Operation

Operation sequences for cooling and heat pump modes.

Periodic Servicing Requirements

Annual Furnace Inspection

Annual checks for flue products, vents, and structural integrity.

Burner and Heat Exchanger Maintenance

Procedures for cleaning burners and inspecting the heat exchanger.

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