Bryant 312AAV/JAV Codes and Standards, Electrostatic Discharge ESD Precautions Procedure

80 / 27 C

60 / 16 C

A06745

Fig. 3 - Return Air Temperature

CODES AND STANDARDS

Follow all national and local codes and standards in addition to these instructions. The installation must comply with regulations of the serving gas supplier, local building, heating, plumbing, and other codes. In absence of local codes, the installation must comply with the national codes listed below and all authorities having jurisdiction.

In the United States, follow all codes and standards for the following:

Step 1 — Safety

National Fuel Gas Code (NFGC) NFPA 54-2009/ANSI Z223.1-2009 and the Installation Standards, Warm Air Heating and Air Conditioning Systems ANSI/NFPA 90B

Step 2 — General Installation

Current edition of the NFGC and the NFPA 90B. For copies, contact the National Fire Protection Association Inc., Batterymarch Park, Quincy, MA 02269; (www.NFPA.org) or for only the NFGC, contact the American Gas Association, 400 N. Capitol Street, N.W., Washington DC 20001 (www.AGA.org.)

Step 3 — Combustion and Ventilation Air

Section 9.3 of the NFGC, NFPA 54/ ANSI Z223.1-2009 Air for Combustion and Ventilation

Step 4 — Duct Systems

Air Conditioning Contractors Association (ACCA) Manual D, Sheet Metal and Air Conditioning Contractors National Association (SMACNA), or American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE) 2001 Fundamentals Handbook Chapter 34 or 2000 HVAC Systems and Equipment Handbook Chapters 9 and 16.

Step 5 — Acoustical Lining and Fibrous Glass Duct

Current edition of SMACNA and NFPA 90B as tested by UL Standard 181 for Class I Rigid Air Ducts

Step 6 — Gas Piping and Gas Pipe Pressure Testing

NFPA 54 / ANSI Z223.1-2009; chapters 5, 6, 7, and 8 and National Plumbing Codes

Step 7 — Electrical Connections

National Electrical Code (NEC) ANSI/NFPA 70-2008

Step 8 — Venting

NFGC; NFPA 54 / ANSI Z223.1-2009 chapters 12 and 13

ELECTROSTATIC DISCHARGE (ESD)

PRECAUTIONS PROCEDURE

!CAUTION

FURNACE RELIABILITY HAZARD

Improper installation or service of furnace may cause premature furnace component failure.

Electrostatic discharge can affect electronic components. Follow the Electrostatic Discharge Precautions Procedure listed below during furnace installation and servicing to protect the furnace electronic control. Precautions will prevent electrostatic discharges from personnel and hand tools which are held during the procedure. These precautions will help to avoid exposing the control to electrostatic discharge by putting the furnace, the control, and the person at the same electrostatic potential.

1.Disconnect all power to the furnace. Multiple disconnects may be required. DO NOT TOUCH THE CONTROL OR ANY WIRE CONNECTED TO THE CONTROL PRIOR

TO DISCHARGING YOUR BODY’S ELECTROSTATIC CHARGE TO GROUND.

2.Firmly touch the clean, unpainted, metal surface of the fur- nace chassis which is close to the control. Tools held in a person’s hand during grounding will be satisfactorily dis- charged.

3.After touching the chassis, you may proceed to service the control or connecting wires as long as you do nothing to recharge your body with static electricity (for example; DO NOT move or shuffle your feet, do not touch un- grounded objects, etc.).

4.If you touch ungrounded objects (and recharge your body with static electricity), firmly touch a clean, unpainted metal surface of the furnace again before touching control or wires.

5.Use this procedure for installed and uninstalled (ungroun- ded) furnaces.

6.Before removing a new control from its container, dis- charge your body’s electrostatic charge to ground to pro- tect the control from damage. If the control is to be in- stalled in a furnace, follow items 1 through 4 before bringing the control or yourself in contact with the fur- nace. Put all used and new controls into containers before touching ungrounded objects.

7.An ESD service kit (available from commercial sources) may also be used to prevent ESD damage.

312AAV

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