Bryant 312AAV/JAV instruction manual Installation, Start-up,Operating and

312AAV/JAV

2-STAGE DELUXE, INDUCED COMBUSTION

4-WAY MULTIPOISE GAS FURNACE

Installation, Start-up, Operating and

Service and Maintenance Instructions

Series 140/E

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

	E S I G			ISO 9001:2000	Always Ask For
		N
D
C			D	REGISTERED
E		E
	R T I FI

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.