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Bosch BGH96M080B3B User Manual

Bosch BGH96M080B3B
60 pages
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Installation Instructions
96% AFUE Condensing Gas Furnace
Bosch BGH96 Model
BTC 770503101 J / 06.2023
3124627

Table of Contents

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Bosch BGH96M080B3B Specifications

General IconGeneral
BrandBosch
ModelBGH96M080B3B
CategoryFurnace
LanguageEnglish

Summary

Instructions for Lighting/Shutdown Operation

FOR YOUR SAFETY READ BEFORE OPERATING

Crucial safety warnings before operating the furnace.

OPERATING INSTRUCTIONS

Step-by-step guide for operating the furnace.

Codes and Standards

Safety

Lists safety codes and standards for installation.

Gas Piping and Gas Pipe Pressure Testing

Standards for gas piping and pressure testing.

Electrical Connections

Standards for electrical connections.

Electrostatic Discharge (ESD) Precautions Procedure

NOTICE: FURNACE RELIABILITY HAZARD

Warning about ESD affecting electronic components.

Installation

Upflow Installation

Instructions for installing the furnace in an upflow configuration.

Horizontal Installation

Instructions for installing the furnace in a horizontal configuration.

Filter Arrangement

CAUTION: FIRE HAZARD

Fire hazard warning regarding filter placement.

WARNING: CARBON MONOXIDE AND POISONING HAZARD

CO hazard warning for operating without a filter.

Combustion Air and Vent System

Combustion Air and Vent Safety

Safety precautions for combustion air and vent systems.

Combustion Air And Vent Piping Assembly

Step-by-step assembly of combustion air and vent piping.

Combustion Air/Vent Pipe Sizing

Guidelines for sizing combustion air and vent pipes.

Vent System

CAUTION:

Caution regarding vent installation and material protection.

Combustion & Ventilation Air Requirements

Vent and Supply (Outside) Air Safety Check Procedure

WARNING: CARBON MONOXIDE POISONING HAZARD

Critical hazard warning for venting safety.

Gas Supply and Piping

CAUTION: FURNACE OVERHEAT HAZARD

Overheat hazard related to gas pipe connection.

Propane Gas (LP) Conversion

Gas Piping Connections

Gas Piping Checks

WARNING: FIRE OR EXPLOSION HAZARD

Fire/explosion hazard during gas piping checks.

Electrical Connections

Thermostat Settings and Wiring

Start-Up, Adjustment, and Safety Check

General

General information and warnings for start-up.

Start-Up Procedures

Procedures for starting up the furnace.

Furnace Start-Up

Step-by-step guide for furnace start-up.

Gas Manifold Pressure Measurement and Adjustment

Gas Input Rate Measurement (Natural Gas Only)

Temperature Rise Adjustment

Circulator Blower Speed Adjustment

Critical adjustment for blower speed.

WARNING: ELECTRICAL SHOCK HAZARD

Electrical shock hazard during blower speed adjustment.

Operational Checks

Safety Circuit Description

Troubleshooting

Resetting From Lockout

Procedures for resetting furnace from lockout.

Troubleshooting Chart

Chart to diagnose unit operational problems.

Service and Maintenance Procedures

Annual Inspection

Procedures for annual furnace inspection.

Before Leaving Installation

Wiring Diagram

WARNING

High voltage warning for servicing.

CAUTION-120V

Caution regarding 120V circuits.

WARNING: DISCONNECT POWER BEFORE SERVICING.

Warning to disconnect power before servicing.

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