Bryant 926TB Variable-Speed Gas Furnace Manuals

Bryant 926TB Variable-Speed Gas Furnace Manuals

Manuals and User Guides for Bryant 926TB Variable-Speed Gas Furnace. We have 1 Bryant 926TB Variable-Speed Gas Furnace manual available for free PDF download: Installation, Start-Up, Operating And Service And Maintenance Instructions

Bryant 926TB Installation, Start-Up, Operating And Service And Maintenance Instructions

Bryant 926TB Installation, Start-Up, Operating And Service And Maintenance Instructions (85 pages)

TWO-STAGE, VARIABLE-SPEED ECM MULTIPOISE CONDENSING GAS FURNACE

Brand: Bryant | Category: Furnace | Size: 11 MB

Table of Contents

Table of Contents
1
Sections
1
Important
2
Furnace Reliability Hazard
4
Fire Hazard
4
Safety Considerations
4
Minimum Clearances to Combustible Materials
5
- General Installation
  6
- Combustion and Ventilation Air
  6
Codes and Standards
6
Electrostatic Discharge (Esd) Precautions
6
Air for Combustion and Ventilation
9
Minimum Free Area Required
11
Minimum Space Volumes
11
- Upflow Orientation
  12
- Downflow Orientation
  12
- To Relocate the Condensate Trap
  12
Condensate Trap
12
- Horizontal Right Trap Configuration
  13
- Property Damage Hazard
  13
- Horizontal Left Configuration
  13
- Condensate Drain Connection
  13
- Upflow/Downflow Orientation
  14
- For Left Side Condensate Drain Connection
  14
- Knockout Removal
  14
- For Right Side Condensate Drain
  14
- Tip from Contractors
  15
- Horizontal Orientation
  15
- Modify Rubber Drain Elbow
  15
- Evaporator Coil
  16
- Example of Field Drain Attachment (Not Allowed)
  16
- Supply Air Connections
  17
- Example of Field Drain Attachment
  17
- Upflow Installation
  17
- Installation
  17
- Return Air Connections
  18
- Bottom Return Air Inlet
  18
- Side Return Air Inlet
  18
- Downflow Installation
  18
- Horizontal Installation
  19
- Platform Furnace Support
  19
- Suspended Furnace Support
  19
- Roll-Out Protection
  19
- Upflow Return Air Configurations and Restrictions
  20
- Rollout Protection Required
  21
- Suspended Furnace Installation
  21
- Working Platform for Attic Installation
  21
- Filter and Return Duct Sizing
  22
- Removing Bottom Closure Panel (2 Screws)
  22
- Filter Arrangement
  22
- Air Filter Located in Filter Cabinet
  24
- Optional Media Filter
  24
- Installation on Combustible Flooring
  25
- Opening Dimensions
  25
- General Requirements
  30
- Return Duct Sizing
  30
Air Ducts
30
Gas Piping
30
- Gas Valve with Tower Pressure Ports
  31
- Typical Gas Pipe Arrangement
  31
- – Maximum Capacity of Pipe
  31
- Alternate Gas and Electric Entry
  32
- Gas Entry
  32
- Gas Pipe Grommet
  32
Electrical Connections
32
- 115-V Wiring
  33
- J-Box Installation
  33
- Installing J- -Box (When Used)
  33
- External Electrical Box on Furnace Casing
  34
- Power Cord Installation in Furnace J-Box
  34
- BX Cable Installation in Furnace J-Box
  34
- 24-V Wiring
  34
- Alternate Power Supplies
  35
- Thermostats
  35
Accessories
35
Electrical Data
35
Installation
40
- Ventilated Combustion Air Systems
  41
- Locating the Vent Termination
  41
Vent Termination Kit for Direct Vent (2- -Pipe) Systems
41
Maximum Equivalent Vent Length
44
Deductions from Maximum Equivalent Vent Length
53
Start- -Up, Adjustment, and Safety Check
60
- Adjustments
  61
- Purge Gas Lines
  61
- Orifice Hole
  61
- Priming Condensate Trap
  61
- Adjust Manifold Pressure
  62
- Check Inlet Gas Pressure
  62
- Adjust Temperature Rise
  63
- Clocking the Meter
  63
- Burner Flame
  63
- To Lock the Furnace in High Heat
  64
- Adjust Blower off Delay (Heat Mode)
  64
- Adjust Thermostat Heat Anticipator
  64
- To Lock the Furnace in Low Heat
  64
- Check Safety Controls
  65
- Checklist
  65
- Service
  66
- LED Code
  66
- Status
  66
- Component Test
  66
- Dip Switch
  67
- Furnace Setup Switch Description
  67
- Airflow Selection
  67
- – Gas Rate (CU Ft./Hr)
  68
- – Blower off Delay Setup Switch
  68
- – Altitude Derate Multiplier for USA
  68
- Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate
  69
- Two-Stage Furnace
  69
Service and Maintenance Procedures
70
- Electrical Controls and Wiring
  71
- Component Self- - Test
  71
- Troubleshooting
  71
- Retrieving Stored Status Codes
  71
- Care and Maintenance
  72
- Cleaning And/Or Replacing Air Filter
  72
- Blower Motor and Wheel Maintenance
  72
- Blower Assembly
  73
- Burner Assembly
  74
- Cleaning Burners and Flame Sensor
  74
- Servicing Hot Surface Igniter
  75
- Igniter Position - - Side View
  75
- Flushing Collector Box and Drainage System
  75
- To Reinstall Burner Assembly
  75
- Checking Heat Pad Operation
  76
- Cleaning Condensate Drain and Trap
  76
- Cleaning Heat Exchangers
  76
- Primary Heat Exchangers
  76
- Winterization
  77
- Cleaning Heat Exchanger Cell
  77
- Wiring Diagrams
  77
- Secondary Heat Exchangers
  77
- Inducer Prepurge Period
  78
Sequence of Operation
78
- Cooling Mode
  79
- Single- -Speed Cooling
  79
- Dehumidification Mode
  80
- Heat Pump
  80
- Continuous Blower Mode
  80
- Troubleshooting Guide
  81
- Parts Replacement Information Guide
  84
- Casing Group
  84
- Model Nomenclature
  84

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