Carrier 58MCA Installation, Start-up, And Operating Instructions Manual

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Carrier 58MCA Installation, Start-up, And Operating Instructions Manual Manual pdf 4 page image

of 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 54-2002/ANSIZ223.1-2002 and the Installation Standards, Warm Air Heatingand Air Conditioning Systems ANSI/NFPA 90B• CANADA: National Standard of Canada, Natural Gas andPropane Installation Code (NSCNGPIC) CSA B149.1-00.Step 2—General Installation• US: NFGC and the NFPA 90B. For copies, contact the NationalFire Protection Association Inc., Batterymarch Park, Quincy,MA 02269; or for only the NFGC contact the American GasAssociation, 400 N. Capitol, N.W., Washington DC 20001.• CANADA: NSCNGPIC. For a copy, contact Standard Sales,CSA International, 178 Rexdale Boulevard, Etobicoke(Toronto), Ontario, M9W 1R3, Canada.Step 3—Combustion and Ventilation Air• US: Section 8.3 of the NFGC, Air for Combustion andVentilation• CANADA: Part 7 of the 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) 2001 Fundamentals Handbook Chapter 34.Step 5—Acoustical Lining and Fibrous Glass Duct• US and CANADA: current edition of SMACNA, NFPA 90B astested by UL Standard 181 for Class I Rigid Air DuctsStep 6—Gas Piping and Gas Pipe Pressure Testing• US: NFGC; chapters 5, 6, 7, and 12 and national plumbingcodes• CANADA: NSCNGPIC Parts 3, 4, 5, A, B, E, and H.Step 7—Electrical Connections• US: National Electrical Code (NEC) ANSI/NFPA 70-2002• CANADA: Canadian Electrical Code CSA C22.1→Fig. 3—Clearances to CombustiblesA02248This forced air furnace is equipped for use with natural gas at altitudes 0 - 10,000 ft (0 - 3,050m), except 140 size furnaces are only approved for altitudes 0 - 7,000 ft.(0 - 2,135m).An accessory kit, supplied by the manufacturer, shall be used to convert to propane gas use or may be required for some natural gas applications.This furnace is for indoor installation in a building constructed on site. This furnace may be installed in a manufactured (mobile) home when stated on rating plate andusing factory authorized kit.This furnace may be installed on combustible flooring in alcove or closet at Minimum Inches Clearance To Combustible Construction as described below.This furnace requires a special venting system. Refer to the installation instructions for parts list and method of installation. This furnace is for use with schedule-40 PVC,PVC-DWV, CPVC, or ABS-DWV pipe, and must not be vented in common with other gas-fired appliances. Construction through which vent/air intake pipes may beinstalled is maximum 24 inches (600 mm), minimum 3/4 inches (19 mm) thickness (including roofing materials).MINIMUM INCHES CLEARANCE TO COMBUSTIBLE CONSTRUCTION* Minimum front clearance for service 30 inches (762mm).140 size furnaces require 1 inch back clearance to combustible materials.For installation on combustible floors only when installed on special base No. KGASB0201ALL,Coil Assembly, Part No. CD5 or CK5, or Coil Casing, Part No. KCAKC.Line contact is permissible only between lines formed by intersections of top and two sides offurnace jacket, and building joists, studs, or framing.Clearance shown is for air inlet and air outlet ends.120 and 140 size furnaces require 1 inch bottom clearance to combustible materials.ØClearance in inches.Vent clearance tocombustibles 0".This furnace is approved for UPFLOW, DOWNFLOW andHORIZONTAL installations.*BOTTOM0"Ø3"0"§0"TOP/PLENUM1"0" §30MINALL POSITIONS:DOWNFLOW POSITIONS:HORIZONTAL POSITIONS:S I D E F R O N TB C KAS E R VI ECF RON TS I D EUF R N A C EClearance arrowsdo not change withfurnace orientation.††††UPFLOW ORDOWNFLOW1/2" MAXLEVEL (0")TO† †328066-201 REV. ALIT -TOPINSTALLATION§For upflow and downflow applications, furnace must be installed level, or pitched within 1/2" of level. For ahorizontal application, the furnace must be pitched minimum 1/4" to maximum of 1/2" forward for properdrainage. See Installation Manual for IMPORTANT unit support details on horizontal applications.HORIZONTALFRONT FRONTMIN 1/4" TO 1/2" MAXFig. 4—Return-Air TemperatureA941634→→→