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Bryant 880TA User Manual

Bryant 880TA
62 pages
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Installation, Start--up, Operating and
Ser vice and M a int e nanc e Instr uc t ions
Series A
880TA/881TA
VARIABLE--SPEED, INDUCED--COMBUSTION
4--WAY MULTIPOISE GAS FURNACE
SAFETY CONSIDERATIONS 2........................
INTRODUCTION 4..................................
CODES AND STANDARDS 4..........................
Safety 4...........................................
General Installation 4................................
Combustion and Ventilation Air 4......................
Duct Systems 4.....................................
Acoustical Lining and Fibrous Glass Duct 4...............
Gas Piping and Gas Pipe Pressure Testing 4...............
Electrical Connections 4..............................
Venting 4.........................................
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS
PROCEDURE 4.....................................
LOCATION 6.......................................
AIR FOR COMBUSTION AND VENTILATION 8.........
Outdoor Combustion Air Method 9....................
The Standard Method: 9............................
Combination of Indoor and Outdoor Air 10.............
INSTALLATION 10..................................
Upflow Installation 10.............................
Downflow Installation 11...........................
Horizontal Installation 11...........................
AIR DUCTS 13......................................
Ductwork Acoustical Treatment 13....................
Supply Air Connections 13..........................
Upflow and Horizontal Furnaces 14...................
Downflow Furnaces 14.............................
AIR DELIVERY 18..................................
GAS PIPING 22.....................................
ELECTRICAL CONNECTION 23.......................
ACCESSORIES 25...................................
VENTING 30.......................................
START-- UP, ADJUSTMENT, AND SAFETY CHECK 36.....
Furnace Setup Switch Description 38....................
Service Label 38....................................
Adjustments 39.....................................
Gas Rate 43.......................................
Gas Orifice and Manifold Pressure 44....................
Check Safety Controls 48.............................
Checklist 48.......................................
SERVICE AND MAINTENANCE PROCEDURES 48.......
Care and Maintenance 50.............................
Sequence of Operation 53.............................
Wiring Diagram 42..................................
Troubleshooting 60..................................
PARTS REPLACEMENT INFORMATION GUIDE 61.......
NOTE: Read the entire instruction manual before starting the
installation.
Portions of the text and tables are reprinted from NFPA 54/ANSI
Z223.1E, with permission of National Fire Protection
Association, Quincy, MA 02269 and American Gas Association,
Washington DC 20001. This reprinted material is not the
complete and official position of the NFPA or ANSI on the
referenced subject, which is represented only by the standard in
its entirety.
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Bryant 880TA Specifications

General IconGeneral
BrandBryant
Model880TA
CategoryFurnace
LanguageEnglish

Summary

Safety Considerations and Warnings

Safety Warnings and Cautions

Highlights critical safety warnings and cautions for furnace operation and installation.

Installation Procedures

Clearance and Downflow Positions

Specifies minimum clearances to combustibles and requirements for downflow installations.

Upflow and Horizontal Installation

Details installation procedures for upflow, horizontal, and downflow furnace configurations.

Horizontal Installation Details

Provides guidance on horizontal furnace installation methods, including support.

Introduction and Standards

Introduction to the Furnace

Provides an overview of the furnace's design, certification, and application.

Applicable Codes and Standards

Lists national and local codes and standards for installation and safety.

Electrostatic Discharge Precautions

ESD Handling Procedure

Details steps to prevent electrostatic discharge damage to furnace components.

Location Requirements

General Location Guidelines

Specifies general requirements for furnace placement and environmental considerations.

Installation Warnings and Restrictions

Covers specific warnings for installation in garages and prohibited furnace orientations.

Air for Combustion and Ventilation

Combustion Air Safety and Requirements

Highlights hazards related to combustion air and general requirements.

Outdoor Combustion Air Method

Details methods for providing combustion air directly from outdoors.

Indoor Combustion Air Methods

Explains standard and known air-infiltration methods for indoor combustion air.

Air Duct Requirements

General Duct System Requirements

Outlines general requirements for designing and sizing duct systems.

Ductwork Acoustical Treatment

Provides guidelines for acoustical treatment of ductwork.

Supply Air Connections

Details how to connect supply air ducts for different furnace configurations.

Gas Piping Installation

Gas Piping Safety Warnings

Covers critical warnings and cautions related to gas piping installation.

Gas Piping Installation Procedure

Details installation requirements, codes, and best practices for gas piping.

Electrical Connections

Electrical Safety and Wiring

Highlights electrical safety hazards, wiring polarity, and grounding requirements.

J-Box Relocation and Installation

Instructions for relocating the junction box and connecting electrical wiring.

Wiring Procedures (Power Cord, BX Cable, 24-V)

Details wiring procedures for power cords, BX cable, and 24-V connections.

Accessories Installation

Electronic Air Cleaner (EAC) Connection

Instructions for connecting an electronic air cleaner accessory.

Humidifier (HUM) Connection

Instructions for connecting a humidifier accessory.

Chimney Inspection Chart

Venting System Inspection Guide

Provides a flowchart for inspecting chimney conditions for proper venting.

Venting Requirements

General Venting Safety and Rules

Covers venting safety, general requirements, and warnings for carbon monoxide.

Masonry Chimney Requirements

Specifies requirements for using masonry chimneys with the furnace.

Appliance Application Requirements

Details how appliance application impacts venting system performance.

Start-Up, Adjustment, and Safety Check

General Start-Up Procedures

Covers initial steps and safety checks before operating the furnace.

Component Test Procedure

Explains how to perform a component test for system diagnostics.

Furnace Adjustments

Gas Input Rate and Altitude Derate

Guides on determining correct gas input rate and altitude derate multipliers.

Manifold Pressure and Orifice Adjustments

Details procedures for adjusting manifold pressure and orifice sizes.

Temperature Rise and Airflow Settings

Instructions for measuring and setting temperature rise and airflow parameters.

Blower Off Delay and Thermostat Settings

Covers setting blower off delay and thermostat heat anticipator.

Checking Safety Controls

Limit Switch and Draft Safeguard Checks

Procedures for checking main limit and draft safeguard switches.

Pressure Switch and System Checks

Guides for checking pressure switches and performing general system checks.

Furnace Operation Checklist

A checklist of final steps and checks before completing installation.

Service and Maintenance Procedures

General Maintenance Guidelines

Covers essential maintenance tasks and safety precautions.

Air Filter Cleaning and Replacement

Instructions for cleaning or replacing the furnace air filter.

Blower Motor and Wheel Cleaning

Details on how to clean the blower motor and wheel for optimal performance.

Heat Exchanger Cleaning

Procedures for cleaning the heat exchanger, with notes on replacement.

Sequence of Operation

Two-Stage Heating Operation

Describes heating operation with single-stage and two-stage thermostats.

Cooling Mode Operations

Details cooling operation for single-speed and two-speed systems with various thermostats.

Heat Pump and Continuous Blower Modes

Explains heat pump operation and continuous blower speed selection.

Troubleshooting and Wiring

Guides for troubleshooting and understanding wiring diagrams.

Parts Replacement Information

Parts Listing by Component Group

Categorized list of replacement parts for the furnace components.

Obtaining Replacement Parts

Information on how to obtain replacement parts and contact information.

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