Table Of Contents - Bosch BGH96M060B3A Installation, Operation And Maintenance Manual

Installation, Operation & Maintenance Manual

Table of Contents

1 Key to Symbols and Safety Instructions
1.2 Safety
2 Dimensions
3 Introduction
4 Codes and Standards
4.1 Safety
4.2 General Installation
4.3 Combustion and Ventilation Air
4.4 Duct Systems
4.5 Acoustical Lining and Fibrous Glass Duct
4.6 Gas Piping and Gas Pipe Pressure Testing
4.7 Electrical Connections
4.8 Electrical Power Supply
4.9 Venting
5 Electrostatic Discharge (ESD) Precautions Procedure
6 Location
6.1 General
7 Installation
7.1 Upfl ow Installation
7.2 Horizontal Installation
7.3 Condensate Line and Over Flow Pressure Switch
7.4 Filter Arrangement
7.5 Air Ducts
8 Combustion Air and Vent System
8.1 Combustion Air and Vent Safety
8.2 Combustion Air/Vent Pipe Sizing
8.3 Comnustion Air And Vent Piping Assembly
8.4 Combustion Air / Venting
8.5 Vent System
8.6 Combustion & Ventilation Air Requirements
8.7 Vent and Supply (Outside) Air Safety Check Procedure
9 Gas Supply and Piping
9.1 General
9.2 High Altitude Derate
9.3 Propane Gas (LP) Conversion
9.4 Gas Piping Connections
9.5 Gas Piping Checks
10 Electrical Connections
10.1 115V Wiring
10.2 Electrical Connection to J-box
10.3 Power Cord Installation in Furnace J-box
10.4 BX Cable Installation in Furnace J-box
Bosch Thermotechnology Corp. | 04.2019
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10.5 24-V Wiring
10.6 Accessories (Field Supplied)
4
10.7 Grounding
7
11 Start-Up, Adjustment, and Safety Check
8
11.1 General
11.2 Start-Up Procedures
9
11.3 Furnace Start-Up
9
11.4 Sequence of Operation
9
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11.5 Gas Manifold Pressure Measurement and Adjustment
10
11.6 Gas Input Rate Measurement (Natural Gas Only)
10
11.7 Temperature Rise Adjustment
10
11.8 Circulator Blower Speed Adjustment
10
12 Operational Checks
10
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13 Safety Circuit Description
10
13.1 General
13.2 Integrated Control Module
11
13.3 Chamber Limit Switch - Fixed
11
13.4 Fan Mounted Limit Switch
13
13.5 Rollout Switch - Resettable
13.6 Overfl ow Protection Pressure Switch (Overfl ow Switch)
13
13.7 Pressure Switches
14
13.8 Flame Sensor
17
14 Troubleshooting
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14.1 Electrostatic Discharge (ESD) Precautions
26
14.2 Resetting From Lockout
14.3 Troubleshooting Chart
26
15 Service and Maintenance Procedures
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15.1 Annual Inspection
29
15.2 Filters
30
15.3 Induced Draft And Circulating Blower Motors
31
15.4 Flame Sensor (Qualifi ed Service Technicians Only)
34
15.5 Ignitor (Qualifi ed Service Technicians Only)
35
15.6 Burners
15.7 Inspecting the Heat Exchanger (Qualifi ed Service Technicians Only)
35
15.8 Condensate Drain
36
15.9 Repair and Replacement Parts
37
16 Before Leaving Installation
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17 Wiring Diagram
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Bosch 96% AFUE Gas Furnace | 3
Data subject to change
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