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

Also see for 58RAV Series: Manual Service and maintenance instructions Maintenance and service instructions Operation guide Installation, start-up, and operating instructions

Contents

Step 3—Supply-Air Plenum Installation (Downflow)INSTALLATION ON A CONCRETE SLAB1. Construct hole in floor per dimensions in Fig. 4 and Table 3.2. Install plenum and furnace as shown in Fig. 5.INSTALLATION ON A COMBUSTIBLE FLOOR1. Cut and frame hole in floor per dimensions in InstallationInstructions packaged with downflow subbase.2. When completed, downflow subbase, plenum, and furnace (orcoil casing when used) should be installed as shown in Fig. 6.Fig. 3—Air for Combustion and Ventilation(Outside Air)A93388DUCTS TOOUTDOORS1 SQ IN.PER 4000BTUH *RETURNAIR VENTTHROUGHROOF(CATEGORY I)DBACE1 SQ IN.PER 4000BTUHDUCTTOOUTDOORSSUPPLY AIR1 SQ IN.PER 2000BTUH*DUCTSTOOUTSIDE12″ MAX12″ MAXCONFINEDSPACE12″MAX12″MAX1 SQ IN.PER 4000BTUH *OUTDOORS1 SQ IN.PER 4000BTUH *1 SQ IN.PER 2000BTUH*12″ MAXUse any of the followingcombinations of openings:A & B C & D D & E F & GNOTE:*Minimum dimensions of 3-In.FGFor Example:58RAV FURNACEINPUT BTUHFREE AREA PEROPENING (SQ IN.)ROUND PIPE(IN. DIA)46,000 11.5 469,000 17.3 592,000 23.0 6115,000 28.8 7135,000 34.5 7For Example:58RAV FURNACEINPUT BTUHFREE AREA PEROPENING (SQ IN.)ROUND PIPE(IN. DIA)46,000 23.0 669,000 34.3 792,000 46.0 8115,000 57.6 9135,000 69.0 10Table 3—Opening Dimensions (In.)FURNACE CASINGWIDTH A BHeat-Only Heat/Cool*14-3/16 13-1/8 19-5/8 19-7/1617-1/2 16-7/16 19-5/8 19-7/1621 19-7/8 19-5/8 19-7/1624-1/2 23-7/16 19-5/8 19-7/16* These dimensions apply when a model CB or CD Evaporator Coil casing isto be installed.Fig. 4—Floor Opening for Concrete SlabA73382HOLE INFLOORABFig. 5—Furnace on a Concrete Slab(Non-Garage Installation)A73383FURNACEPLENUM5