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BGH96 Series
Bosch BGH96 Series Manuals
Manuals and User Guides for Bosch BGH96 Series. We have
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Bosch BGH96 Series manuals available for free PDF download: Installation Instructions Manual, Installation, Operation And Maintenance Manual, Troubleshooting Manual, User's Information Manual
Bosch BGH96 Series Installation Instructions Manual (60 pages)
96% AFUE Condensing Gas Furnace
Brand:
Bosch
| Category:
Furnace
| Size: 3.61 MB
Table of Contents
Table of Contents
3
Key to Symbols and Safety Instructions
4
Key to Symbols
4
Safety
4
Dimensions
7
Introduction
8
Codes and Standards
9
Safety
9
General Installation
9
Combustion and Ventilation Air
10
Duct Systems
10
Acoustical Lining and Fibrous Glass Duct
10
Gas Piping and Gas Pipe Pressure Testing
10
Electrical Connections
10
Electrical Power Supply
10
Venting
10
Electrostatic Discharge (ESD) Precautions Procedure
10
Location
11
General
11
Installation
13
Upflow Installation
13
Horizontal Installation
14
Condensate Line and over Flow Pressure Switch
17
Filter Arrangement
22
Air Ducts
23
Combustion Air and Vent System
26
Combustion Air and Vent Safety
26
Combustion Air/Vent Pipe Sizing
26
Combustion Air and Vent Piping Assembly
28
Combustion Air / Venting
29
Vent System
30
Combustion & Ventilation Air Requirements
31
Vent and Supply (Outside) Air Safety Check Procedure
34
Gas Supply and Piping
35
General
35
High Altitude Derate
36
Propane Gas (LP) Conversion
37
Gas Piping Connections
37
Gas Piping Checks
38
Electrical Connections
39
Wiring
39
Electrical Connection to J-Box
40
Power Cord Installation in Furnace J-Box
40
BX Cable Installation in Furnace J-Box
40
24-V Wiring
40
Accessories (Field Supplied)
40
Grounding
40
Thermostat Settings and Wiring
43
Start-Up, Adjustment, and Safety Check
46
General
46
Start-Up Procedures
46
Furnace Start-Up
46
Sequence of Operation
47
Gas Manifold Pressure Measurement and Adjustment
48
Gas Input Rate Measurement (Natural Gas Only)
49
Temperature Rise Adjustment
49
Circulator Blower Speed Adjustment
49
Operational Checks
51
Safety Circuit Description
51
General
51
Integrated Control Module
51
Chamber Limit Switch - Fixed
51
Fan Mounted Limit Switch
51
Rollout Switch - Resettable
51
Overflow Protection Pressure Switch (Overflow Switch)
51
Pressure Switches
51
Flame Sensor
51
Troubleshooting
52
Electrostatic Discharge (ESD) Precautions
52
Resetting from Lockout
52
Troubleshooting Chart
52
Service and Maintenance Procedures
55
Annual Inspection
55
Filters
55
Induced Draft and Circulating Blower Motors
55
Flame Sensor (Qualified Service Technicians Only)
55
Ignitor (Qualified Service Technicians Only)
56
Burners
56
Inspecting the Heat Exchanger (Qualified Service Technicians Only)
56
Condensate Drain
56
Repair and Replacement Parts
56
Before Leaving Installation
56
Wiring Diagram
58
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Bosch BGH96 Series Installation, Operation And Maintenance Manual (56 pages)
96% AFUE Gas Furnace
Brand:
Bosch
| Category:
Furnace
| Size: 4.13 MB
Table of Contents
Table of Contents
3
1 Key to Symbols and Safety Instructions
4
Safety
4
2 Dimensions
7
3 Introduction
8
4 Codes and Standards
9
Safety
9
General Installation
9
Combustion and Ventilation Air
10
Duct Systems
10
Acoustical Lining and Fibrous Glass Duct
10
Gas Piping and Gas Pipe Pressure Testing
10
Electrical Connections
10
Electrical Power Supply
10
Venting
10
5 Electrostatic Discharge (ESD) Precautions Procedure
10
6 Location
11
General
11
7 Installation
13
Upfl Ow Installation
13
Horizontal Installation
14
Condensate Line and over Flow Pressure Switch
17
Filter Arrangement
22
Air Ducts
23
8 Combustion Air and Vent System
26
Combustion Air and Vent Safety
26
Combustion Air/Vent Pipe Sizing
26
Comnustion Air and Vent Piping Assembly
28
Combustion Air / Venting
29
Vent System
30
Combustion & Ventilation Air Requirements
31
Vent and Supply (Outside) Air Safety Check Procedure
34
9 Gas Supply and Piping
35
General
35
High Altitude Derate
36
Propane Gas (LP) Conversion
37
Gas Piping Connections
37
Gas Piping Checks
38
10 Electrical Connections
39
Wiring
39
Electrical Connection to J-Box
40
Power Cord Installation in Furnace J-Box
40
BX Cable Installation in Furnace J-Box
40
24-V Wiring
40
Accessories (Field Supplied)
40
Grounding
40
11 Start-Up, Adjustment, and Safety Check
43
General
43
Start-Up Procedures
43
Furnace Start-Up
43
Sequence of Operation
44
Gas Manifold Pressure Measurement and Adjustment
45
Gas Input Rate Measurement (Natural Gas Only)
46
Temperature Rise Adjustment
46
Circulator Blower Speed Adjustment
47
12 Operational Checks
48
13 Safety Circuit Description
48
General
48
Integrated Control Module
48
Chamber Limit Switch - Fixed
48
Fan Mounted Limit Switch
48
Rollout Switch - Resettable
48
Overfl Ow Protection Pressure Switch (Overfl Ow Switch)
48
Pressure Switches
48
Flame Sensor
48
14 Troubleshooting
49
Electrostatic Discharge (ESD) Precautions
49
Resetting from Lockout
49
Troubleshooting Chart
49
15 Service and Maintenance Procedures
52
Annual Inspection
52
Filters
52
Induced Draft and Circulating Blower Motors
52
Flame Sensor (Qualifi Ed Service Technicians Only)
52
Ignitor (Qualifi Ed Service Technicians Only)
53
Burners
53
Inspecting the Heat Exchanger (Qualifi Ed Service Technicians Only)
53
Condensate Drain
53
Repair and Replacement Parts
53
16 Before Leaving Installation
53
17 Wiring Diagram
55
Bosch BGH96 Series Troubleshooting Manual (28 pages)
96% AFUE Gas Furnace 3-Way Multipoise Condensing Gas Furnace
Brand:
Bosch
| Category:
Furnace
| Size: 2.71 MB
Table of Contents
Table of Contents
3
Key to Symbols and Safety Instructions
4
Key to Symbols
4
Safety
4
Troubleshooting
6
Electrostatic Discharge (ESD) Precautions
6
Resetting from Lockout
6
Error Flash Codes
7
No Flash and no Fan (System Does Not Start Normally)
7
Flashes (System Lock-Out Due to Failed Ignition)
10
Flashes (System Lock-Out Due to too Many Flame Dropouts)
10
Flashes (Low Fire Pressure Switch Stuck Closed)
12
Figure 14
13
Flashes (Low Pressure Switch Stuck Open)
14
Flashes (Pressure Switch Cycle Lockout)
14
Flashes (High Pressure Switch Stuck Open)
14
Figure 14
15
High Fire Pressure Switch
15
Low Fire Pressure Switch
15
Overflow Pressure Switch
15
Flashes (Limit/Rollout Switch Open Less than 5 Mins)
16
Flashes (Limit/Rollout Switch Open more than 15 Mins)
16
Flashes (Limit/Rollout Switch Open from 5 to 15 Mins)
16
Flashes (Incorrect Polarity of L1/L2)
20
Rapid Flashes (Low Flame)
21
Appendix A - Sequence of Operation
22
Two Stage Controller Logic
22
A1 Heating Modes
23
A1.1 Low Fire Heating Mode Logic (Only W1 Signal)
23
A1.2 High Fire Heating Mode Logic (W1+W2 Signal)
24
A2 Ignition Failure and Reignition Sequence
25
Troubleshooting Guide Bosch 96% AFUE Gas Furnace
27
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Bosch BGH96 Series User's Information Manual (12 pages)
96 percent AFUE Gas Furnace
Brand:
Bosch
| Category:
Furnace
| Size: 0.91 MB
Table of Contents
Table of Contents
3
Key to Symbols and Safety Instructions
4
Key to Symbols
4
Safety
4
Introduction
6
Furnace Components
6
Operating Your Furnace
7
Furnace Start-Up
7
Furnace Shutdown
7
Routine Maintenance
8
Annual Inspection
8
Filters
8
Burners
9
Replacement Parts
9
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