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315A
Variable Speed
Induced---Combustion Deluxe
4---Way Multipoise Furnace
Installation Start- -up, Operating, and
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Bottom Return Air Inlet
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Service and Maintenance,
Instructions Series 120/C
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NOTE: Read the entire instruction manual before starting the
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installation.
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Portions of the text and tables are reprinted from NFPA 54/ANSI
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Z223.1- -2006E, with permission of National Fire Protection
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Association, Quincy, MA 02269 and American Gas Association,
Washington DC 20001. This reprinted material is not the
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complete and official position of the NFPA or ANSI on the
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referenced subject, which is represented only by the standard in
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its entirety.
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ISO 9001:2000
CERTIFIED
REGISTERED
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Table of Contents
Related Manuals for Bryant 315A
Summarization of Contents
SAFETY CONSIDERATIONS
WARNING
General warnings for fire, explosion, electrical shock, and carbon monoxide hazards.
CAUTION (Furnace Reliability)
Cautions regarding unit component damage from improper installation or use.
CUT HAZARD
Warning about sharp edges on sheet metal parts and protective measures.
CODES AND STANDARDS
General Installation
Adherence to NFGC, NFPA 90B, and local building codes.
Electrical Connections
Compliance with NEC and Canadian Electrical Code.
Venting
Compliance with NFGC and CSA B149.1 venting requirements.
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PROCEDURE
CAUTION (ESD Hazard)
Precautions to prevent damage to electronic controls from static discharge.
LOCATION AND AIR SUPPLY
LOCATION
Key considerations for selecting an appropriate installation location for the furnace.
Multipoise Orientations
Diagrams illustrating different furnace installation orientations (upflow, downflow, horizontal).
AIR FOR COMBUSTION AND VENTILATION
Requirements for providing adequate air for combustion and ventilation.
INSTALLATION PROCEDURES
Upflow Installation
Instructions for installing the furnace in an upflow configuration.
Downflow Installation
Requirements for installing the furnace in a downflow configuration.
Horizontal Installation
Guidelines for installing the furnace horizontally.
Return Air Connections
Procedures for connecting return-air ducts in various furnace configurations.
START-UP, ADJUSTMENT, AND SAFETY CHECK
General
Initial checks and warnings before performing start-up procedures.
Adjustments
Procedures for adjusting gas input rate and temperature rise for optimal performance.
ELECTRICAL INFORMATION AND TROUBLESHOOTING
115-V WIRING
Instructions for making 115-volt electrical connections to the furnace.
Wiring Diagram
Visual representation of the furnace's electrical connections for diagnostic purposes.
Troubleshooting Guide
A step-by-step guide to diagnose and resolve furnace operational problems.
SERVICE AND MAINTENANCE
Care and Maintenance
Routine maintenance tasks for ensuring optimal furnace performance and longevity.
Blower Motor and Wheel
Steps for cleaning and servicing the blower motor and wheel.
Cleaning Heat Exchanger
Procedures for cleaning the furnace heat exchangers.
OPERATIONAL MODES
Two-Stage Heating (Adaptive Mode) with Single-Stage Thermostat
Explanation of heating operation with a single-stage thermostat.
Cooling mode
How the furnace operates in cooling mode with different thermostat types.
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