Codes and Standards

368262-UIM-B-1008

COMBUSTION AIR QUALITY (LIST OF CONTAMINANTS)

The furnace requires OUTDOOR AIR for combustion when the furnace is located in any of the following environments.

•Restricted Environments

•Commercial buildings

•Buildings with indoor pools

•Furnaces installed in laundry rooms

•Furnaces installed in hobby or craft rooms

•Furnaces installed near chemical storage areas

•Chemical exposure

The furnace requires OUTDOOR AIR for combustion when the furnace is located in an area where the furnace is being exposed to the follow- ing substances and / or chemicals.

•Permanent wave solutions

•Chlorinated waxes and cleaners

•Chlorine based swimming pool chemicals

•Water softening chemicals

•De-icing salts or chemicals

•Carbon tetrachloride

•Halogen type refrigerants

•Cleaning solvents (such as perchloroethylene)

•Printing inks, paint removers, varnishes, etc.

•Hydrochloric acid

•Cements and glues

•Antistatic fabric softeners for clothes dryers

•Masonry acid washing materials

When outdoor air is used for combustion, the combustion air intake duct system termination must be located external to the building and in an area where there will be no exposure to the substances listed above.

The furnace area must not be used as a broom closet or for any other storage purposes, as a fire hazard may be created. Never store items such as the following on, near or in contact with the fur- nace.

1.Spray or aerosol cans, rags, brooms, dust mops, vacuum cleaners or other cleaning tools.

2.Soap powders, bleaches, waxes or other cleaning com- pounds; plastic items or containers; gasoline, kerosene, ciga- rette lighter fluid, dry cleaning fluids or other volatile fluid.

3.Paint thinners and other painting compounds.

4.Paper bags, boxes or other paper products

Never operate the furnace with the blower door removed. To do so could result in serious personal injury and/or equipment damage.

Follow all national, local codes and standards in addition to this installa- tion manual. The installation must comply with regulations of the serv- ing 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 and Canada, follow all codes and standards for the following, using the latest edition available:

STEP 1 -Safety

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

•CANADA: CAN/CGA-B149.1 National Standard of Canada. Natu- ral Gas and Propane Installation Codes (NSCNGPIC)

STEP 2 -General Installation

•US: Current edition of the NFGC and NFPA 90B. For copies, con- tact the

National Fire Protection Association Inc. Batterymarch Park

Quincy, MA 02269

or for only the NFGC, contact the American Gas Association, 400 N. Capital, N.W. Washington DC 20001

or www.NFPA.org

•CANADA: NSCNGPIC. For a copy contact:

Standard Sales, CSA International

178 Rexdale Boulevard

Etobicoke, (Toronto) Ontario Canada M9W 1RS

STEP 3 -Combustion and Ventilation Air

•US: Section 5.3 of the NFGC, air for Combustion and Ventilation

•CANADA: Part 7 of NSCNGPIC, Venting Systems and Air Supply for Appliances

STEP 4 -Duct Systems

•US and CANADA: Air Conditioning Contractors Association (ACCA) Manual D, Sheet Metal and Air Conditioning Contractors Association National Association (SMACNA), or American Soci- ety of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE) 1997 Fundamentals Handbook Chapter 32.

STEP 5 -Acoustical Lining and Fibrous Glass Duct

•US and CANADA: 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

•US: NFGC; chapters 2, 3, 4, & 9 and National Plumbing Codes

•CANADA: NSCNGPIC Part 5

STEP 7 -Electrical Connections

•US: National Electrical Code (NEC) ANSI/NFPA 70

•CANADA: Canadian Electrical Code CSA C22.1

These instructions cover minimum requirements and conform to exist- ing national standards and safety codes. In some instances these instructions exceed certain local codes and ordinances, especially those who have not kept up with changing residential and non-HUD modular home construction practices. These instructions are required as a minimum for a safe installation.

Johnson Controls Unitary Products