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Bosch BGH96M060B3B User Manual

Bosch BGH96M060B3B
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 BGH96M060B3B Specifications

General IconGeneral
Model NumberBGH96M060B3B
CategoryFurnace
AFUE96%
Heating Capacity60, 000 BTU
Input BTU60, 000 BTU
Blower MotorECM
Fuel TypeNatural Gas
Warranty10-Year Limited

Summary

Key to Symbols and Safety Instructions

Key to Symbols

Describes warning symbols and keywords used in the document.

Safety

General safety instructions for installers, users, and servicers.

Dimensions

Introduction

Codes and Standards

Safety

Lists safety codes and standards for installation.

General Installation

References installation standards and codes.

Electrostatic Discharge (ESD) Precautions Procedure

Combustion and Ventilation Air

Specifies codes for combustion and ventilation air.

Duct Systems

References standards for duct system design and installation.

Electrical Connections

Refers to electrical codes for connections.

Location

General

General guidelines for furnace location and clearances.

Installation

Upflow Installation

Instructions for installing the furnace in an upflow configuration.

Horizontal Installation

Guidelines for installing the furnace in a horizontal orientation.

Condensate Line and Over Flow Pressure Switch

Instructions for installing condensate drain lines and overflow switches.

Combustion Air and Vent System

Combustion Air and Vent Safety

Safety precautions for combustion air and vent systems.

Combustion Air/Vent Pipe Sizing

Guidance on sizing combustion air and vent pipes.

Combustion Air / Venting

Vent Clearances

Specifies clearance requirements for vent terminals.

Combustion Air and Vent System

Vent System

Information on vent system configurations and applications.

Combustion & Ventilation Air Requirements

Combustion Air Supply

Requirements for supplying combustion air.

Outdoor Combustion Air

Details on outdoor combustion air intake and vent connections.

Ambient Combustion Air

Information on using ambient air for combustion.

Combustion & Ventilation Air Requirements

Ventilated Combustion Air

Requirements for ventilated attic/crawl space combustion air.

Vent and Supply (Outside) Air Safety Check Procedure

Gas Supply and Piping

General

General requirements for gas supply and piping.

Gas Supply and Piping

High Altitude Derate

Procedures and charts for high altitude derating.

Gas Supply and Piping

Propane Gas (LP) Conversion

Instructions for converting the furnace to propane gas.

Gas Piping Connections

Guidelines for connecting gas piping to the furnace.

Gas Supply and Piping

Gas Piping Checks

Procedures for checking gas piping for leaks.

Electrical Connections

115V Wiring

Details on 115V wiring requirements and connections.

Electrical Connections

Electrical Connection to J-box

Field-supplied electrical box connection to the furnace J-box.

Power Cord Installation in Furnace J-box

Instructions for installing a power cord into the furnace J-box.

Grounding

Requirements for proper electrical grounding of the furnace.

Thermostat Settings and Wiring

Thermostat Settings

How to configure thermostat settings for heat type and fan control.

Thermostat Wiring

Wiring diagrams for 4H/2C and 3H/2C thermostats for furnace-only and dual-fuel applications.

Start-Up, Adjustment, and Safety Check

General

General furnace operation, safety features, and control module info.

Start-Up Procedures

Steps for initial furnace start-up and safety checks.

Start-Up, Adjustment, and Safety Check

Furnace shutdown

Procedures for safely shutting down the furnace in case of malfunction.

Sequence of Operation

Detailed explanation of furnace operation modes and timing.

Start-Up, Adjustment, and Safety Check

Gas Manifold Pressure Measurement and Adjustment

How to measure and adjust gas manifold pressure.

Start-Up, Adjustment, and Safety Check

Gas Input Rate Measurement (Natural Gas Only)

Procedure to measure natural gas input rate using the gas meter.

Temperature Rise Adjustment

How to adjust temperature rise by changing blower speed.

Circulator Blower Speed Adjustment

Instructions for adjusting circulator blower speed settings.

Operational Checks

Burner Flame

How to inspect burner flames for proper operation.

Overflow Protection Pressure Switch (Overflow Switch)

Details on the overflow protection pressure switch and its function.

Flame Sensor

Function and replacement of the flame sensor.

Troubleshooting

Electrostatic Discharge (ESD) Precautions

Precautions to prevent damage from static discharge during service.

Resetting From Lockout

Methods to reset the furnace from lockout conditions.

Troubleshooting Chart

Reference to charts for diagnosing operational problems.

Service and Maintenance Procedures

Annual Inspection

Guidelines for annual furnace inspection and maintenance.

Filters

Information on filter requirements, maintenance, and removal.

Flame Sensor (Qualified Service Technicians Only)

Maintenance for the flame sensor.

Before Leaving Installation

Ignitor (Qualified Service Technicians Only)

Information on ignitor inspection and replacement.

Burners

Visual checks and cleaning procedures for burners.

Inspecting the Heat Exchanger (Qualified Service Technicians Only)

Guidelines for inspecting the heat exchanger.

Wiring Diagram

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