Carrier 58DXT Operating Instructions Manual

Also see for 58DXT: User's information manual Service and maintenance instructions

Contents

Carrier 58DXT Operating Instructions Manual Manual pdf 7 page image

Step 5—Filter ArrangementNever operate unit without a filter or with filter access doorremoved. A failure to follow this warning could result in fire,personal injury, or death.The 2 factory-supplied filters are shipped in the blower compart-ment. After return-air duct has been connected to furnace, installfilters in a V-formation inside return-air plenum. (See Fig. 8.)Step 6—Gas PipingGas piping must be installed in accordance with national and localcodes. Refer to the NFGC.Canadian installations must be installed in accordance with NSC-NGPIC and all authorities having jurisdiction.The gas supply line should be a separate line directly from themeter to the furnace, if possible. Refer to Table 4 for recom-mended gas pipe sizing. Risers should be used to connect to thefurnace and to the meter.If flexible connector is required or allowed by authorityhaving jurisdiction, black iron pipe shall be installed at gasvalve and extend a minimum of 2 in. outside furnace casing.Use the proper length of pipes to avoid stress on gas controlmanifold. A failure to follow this warning could result in agas leak causing fire, explosion, personal injury, or death.Use a backup wrench at furnace gas control when connectinggas pipe to furnace to avoid damaging gas controls ormanifold.Table 3—Opening Dimensions (In.)FURNACECASINGWIDTHAPPLICATION PLENUM OPENING FLOOR OPENINGA B C D14-3/16Non-Combustible Flooring 12-11/16 19 13-3/8 19-5/8Combustible Flooring Using KGASB Subbase 11-13/16 19 13-7/16 20-3/8Combustible Flooring with CD5 or CK5 Coil Assembly orKCAKC Coil Box 12-5/16 19 13-5/16 2017-1/2Non-Combustible Flooring 16 19 16-5/8 19-5/8Combustible Flooring Using KGASB Subbase 15-1/8 19 16-3/4 20-3/8Combustible Flooring with CD5 or CK5 Coil Assembly orKCAKC Coil Box 15-1/2 19 16-1/2 2021Non-Combustible Flooring 19-1/2 19 20-1/8 19-5/8Combustible Flooring Using KGASB Subbase 18-5/8 19 20-1/4 20-3/8Combustible Flooring with CD5 or CK5 Coil Assembly orKCAKC Coil Box 19 19 20 20Fig. 5—Floor and Plenum Opening Dimensions A96283PLENUMOPENINGCAB DFLOOROPENING7