Trane S8B1B080M4PSAB

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.
March 2020
1188--CCEE1144DD11--11AA--EENN
Upflow/Downflow/Horizontal
Gas-Fired, 1–Stage and 2–Stage Induced Draft Furnaces with
High Efficiency Motor
UUppffllooww,, DDoowwnnffllooww,, HHoorriizzoonnttaall RRiigghhtt//LLeefftt
Single Stage Two Stage
S8B1
S8X1
S8X2
S8B1A026M2PSAB
S8B1A040M3PSAB
S8B1B040M2PSAB
S8B1B060M3PSAB
S8B1B060M4PSAB
S8B1B080M4PSAB
S8B1C080M5PSAB
S8B1C100M5PSAB
S8B1D120M5PSAB
S8X1A026M2PSAB
S8X1A040M3PSAB
S8X1B040M2PSAB
S8X1B060M3PSAB
S8X1B060M4PSAB
S8X1B080M4PSAB
S8X1C080M5PSAB
S8X1C100M5PSAB
S8X1D120M5PSAB
S8X2A040M3PSAB
S8X2B060M3PSAB
S8X2B060M4PSAB
S8X2B080M4PSAB
S8X2C080M5PSAB
S8X2C100M5PSAB
S8X2D120M5PSAB
NNoottee:: This installer’s Guide 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.
18-CE14D1-1A-EN
Installer’s Guide

Trane S8B1B080M4PSAB Specifications

General

Model Number	S8B1B080M4PSAB
Brand	Trane
Category	Furnace
Input BTU/h	80, 000
Output BTU/h	64, 000
Efficiency	80% AFUE
Fuel Type	Natural Gas
Blower Type	Multi-Speed
Stages	Single Stage
Weight	150 lbs
Type	Gas
Ignition Type	Hot Surface
Warranty	5-Year Limited Functional Parts
Dimensions	17.5

Summary

Furnace Installation Guidelines

Safety Practices and Precautions

Follow essential safety practices and precautions during installation, servicing, and operation of the furnace.

Locations and Clearances

Select appropriate furnace locations and ensure required clearances to combustible materials are maintained.

Furnace General Installation

Gas Piping

Details and diagrams for connecting the gas supply to the furnace, including fittings and safety checks.

Combustion and Input Check

Procedure for checking furnace combustion and input rate using gas flow meter readings.

Gas Valve Adjustment

Instructions for adjusting manifold pressure for 1st and 2nd stage heating on the gas valve.

High Altitude Derate

Guidance on adjusting furnace input rate and selecting orifices for high altitude installations.

Electrical Connections

Instructions for making wiring connections to the furnace, including field wiring diagrams.

General Venting

Furnace Combustion Air Exhaust Options

Combustion Air Conversions

Integrated Furnace Control Menu

Setting Airflow

Sequence of Operation S8 B1 S8 X1 S8 X2