Carrier 58CVA Installation, Start-up, Operating And Service And Maintenance Instructions

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used when installed on combustible materials and wood flooring.This special base is not required when this furnace is installed onthe manufacturer’s coil assembly, or when the manufacturer’s coilbox is used. See Figure 2 for clearance to combustible materialinformation.Improper installation, adjustment, alteration, service, mainte-nance, or use can cause carbon monoxide poisoning, explo-sion, fire, electrical shock, or other conditions which maycause personal injury or property damage. Consult a qualifiedinstaller, service agency, local gas supplier, or your distribu-tor or branch for information and assistance. The qualifiedinstaller or agency must use only factory-authorized andlisted kits or accessories when modifying this product.Failure to follow this warning could result in electrical shock,fire, personal injury or death.This furnace is designed for minimum continuous return-airtemperature of 60°F db or intermittent operation down to 55°F db.Return-air temperature must not exceed 85°F db. See Figure 3.For accessory installation details, refer to the applicable instructionliterature.NOTE: Remove all shipping brackets and materials before oper-ating the furnace.CODES AND STANDARDSFollow all national and local codes and standards in addition tothese instructions. The installation must comply with regulationsof the serving gas supplier, local building, heating, plumbing, andother codes. In absence of local codes, the installation mustcomply with the national codes listed below and all authoritieshaving jurisdiction.In the United States and Canada, follow all codes and standards forthe following:Step 1—Safety• US: National Fuel Gas Code (NFGC) NFPA 54–1999/ANSIZ223.1–1999 and the Installation Standards, Warm Air Heatingand Air Conditioning Systems ANSI/NFPA 90B• CANADA: CAN/CGA-B149.1–and .2–M00 National Standardof Canada. Natural Gas and Propane Installation Codes (NSC-NGPIC)Step 2—General Installation• US: Current edition of the NFGC and the NFPA 90B. Forcopies, contact the National Fire Protection Association Inc.,Batterymarch Park, Quincy, MA 02269; or for only the NFGC,contact the American Gas Association, 400 N. Capitol, N.W.,Washington DC 2001 or www.NFPA.org.• CANADA: NSCNGPIC. For a copy, contact Standard Sales,CSA International, 178 Rexdale Boulevard, Etobicoke (Tor-onto), Ontario, M9W 1R3 CanadaStep 3—Combustion and Ventilation Air• US: Section 5.3 of the NFGC, Air for Combustion andVentilation• CANADA: Part 7 of NSCNGPIC, Venting Systems and AirSupply for AppliancesStep 4—Duct Systems• US and CANADA: Air Conditioning Contractors Association(ACCA) Manual D, Sheet Metal and Air Conditioning Con-tractors 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 NFPA90B as tested by UL Standard 181 for Class I Rigid Air DuctsStep 6—Gas Piping and Gas Pipe Pressure Testing• US: NFGC; chapters 2, 3, 4, and 9 and National PlumbingCodes• CANADA: NSCNGPIC Part 5Step 7—Electrical Connections• US: National Electrical Code (NEC) ANSI/NFPA 70–2002• CANADA: Canadian Electrical Code CSA C22.1ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONSPROCEDUREUse this procedure for all installed and uninstalled furnaces. AnESD service kit (available from commercial sources) may be usedto prevent ESD damage.Electrostatic discharge can affect electronic components.Follow the Electrostatic Discharge Precautions Procedurelisted below during furnace installation and servicing toprotect the furnace electronic control.Precautions will prevent electrostatic discharges from person-nel and hand tools which are held during the procedure. Theseprecautions will help to avoid exposing the control to elec-trostatic discharge by putting the furnace, the control, and theperson at the same electrostatic potential.1. Disconnect all power to the furnace. Multiple disconnects maybe required. DO NOT TOUCH THE CONTROL OR ANYWIRE CONNECTED TO THE CONTROL PRIOR TO DIS-CHARGING YOUR BODY’S CHARGE TO GROUND.2. Firmly touch a clean, unpainted metal surface on the furnacechassis close to the control. Tools held in hand duringgrounding will be discharged.3. You may proceed to service the control or connecting wires aslong as you do nothing to recharge your body (moving orshuffling feet, touching ungrounded objects, etc.)Table 1—Dimensions (IN.)UNIT SIZE A B C VENT CONN.* SHIP WT. (LB)070-12/036070 14-3/16 12-9/16 12-11/16 4 126090-16/048090 17-1/2 15-7/8 16 4 151110-22/066110 21 19-3/8 19-1/2 4 161135-22/066135 24-1/2 22-7/8 23 4 177155-22/066155 24-1/2 22-7/8 23 4 183* 5” or 6” vent connector may be required in some cases.3