Bryant 312AAV/JAV User Manual

Installation, Start--up, Operating and
Service and Maintenance Instructions
Series 140/E
312AAV/JAV
2--STAGE DELUXE, INDUCED COMBUSTION
4--WAY MULTIPOISE GAS FURNACE
SAFETY CONSIDERATIONS 2........................
INTRODUCTION 3..................................
CODES AND STANDARDS 5..........................
Safety 5...........................................
General Installation 5................................
Combustion and Ventilation Air 5......................
Duct Systems 5.....................................
Acoustical Lining and Fibrous Glass Duct 5...............
Gas Piping and Gas Pipe Pressure Testing 5...............
Electrical Connections 5..............................
Venting 5.........................................
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS
PROCEDURE 5.....................................
LOCATION 6.......................................
AIR FOR COMBUSTION AND VENTILATION 7.........
INSTALLATION 10..................................
UPFLOW INSTALLATION 10......................
DOWNFLOW INSTALLATION 11...................
HORIZONTAL INSTALLATION 11..................
FILTER ARRANGEMENT 15.......................
AIR DUCTS 15...................................
GAS PIPING 17..................................
ELECTRICAL CONNECTIONS 21..................
VENTING 26....................................
START--UP, ADJUSTMENT, AND SAFETY CHECK 33.....
General 33........................................
Start--Up Procedures 34..............................
Adjustments 34.....................................
Check Safety Controls 39.............................
Checklist 39.......................................
SERVICE AND MAINTENANCE PROCEDURES 44.....
Introduction 44...................................
Care and Maintenance 45...........................
Sequence of Operation 49...........................
Wiring Diagrams 52...............................
Troubleshooting 52................................
Accessory List 55.................................
PARTS REPLACEMENT INFORMATION GUIDE 56.....
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REGISTERED
ISO 9001:2000
Always Ask For
Use of the AHRI Certified TM Mark indicates a
manufacturer’s participation in the program. For
verification of certification for individual products,
go to www.ahridirectory.org.
NOTE: Read the entire instruction manual before starting the
installation.
Portions of the text and tables are reprinted from NFPA 54/ANSI
Z223.1--2009E, 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.

Bryant 312AAV/JAV Specifications

General

AFUE	80%
Ignition System	Hot Surface Ignition
Heat Exchanger Material	Aluminized Steel
Stages	Single Stage
Vent Type	Natural Draft
Heating Capacity	40, 000 - 120, 000 BTU/h

Summary

SAFETY CONSIDERATIONS

ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PROCEDURE

Procedures to prevent damage from static discharge during installation.

AIR FOR COMBUSTION AND VENTILATION

INSTALLATION

General installation instructions and considerations for the furnace.

UPFLOW INSTALLATION

DOWNFLOW INSTALLATION

HORIZONTAL INSTALLATION

VENTING

START-UP, ADJUSTMENT, AND SAFETY CHECK

Procedures for initial furnace start-up, adjustments, and safety checks.

Start-Up Procedures

Step-by-step guide for initiating furnace operation.

Adjustments

Instructions for adjusting furnace settings for optimal performance.

Check Safety Controls

Procedures to verify the functionality of safety control devices.

Checklist

SERVICE AND MAINTENANCE PROCEDURES

Sequence of Operation

ELECTRICAL CONTROLS AND WIRING

Information on furnace electrical systems and wiring diagrams.