58NVP4-VVay MuMtipoise Dkect-VentVariabMe-Capacity Condensing Gas Furnace\isit_ v_w carrier.corntnstallation, Start-Up, and OperatingFor Sizes 040 120, Series t80[HEATING & COOUNGNOTE: Read the entire instructionmanual bei\_re starting the installationA93040This symbol --> indicates a change since the last issue,Index PageSAFETY CONSIDERATIONS ..................................................... 2DIMENSIONAL DRAWING ........................................................ 3(learances to ( ombustibles ...................................................... 4<;ODES AND STANDARDS ........................................................ 4ELE< TROSTATIC DIS (ESD) PRE(AUTIONS ........ 5INTRODU< TION .......................................................................... 5APPLICATIONS ............................................................................ 6General ...................................................................................... 6Upflow Applications ................................................................. 6Downflow Applications ............................................................ 8Horizontal Left (Supply-Air Discharge) Applications ............ 9Horizontal Right (Supply-Air Discharge) Applications ........ 12LO< ATION .................................................................................. 13General .................................................................................... ] 3Low-Heat Only Installation .................................................... 14Furnace Location Relative to ( oGling Equipment ................ 14Hazardous Locations ............................................................... 15INSTALLATION ......................................................................... 15Leveling Legs (If Desired) ..................................................... 15Installation In [pflow or Downflow Applications ................ 15Installation In Horizontal Applications .................................. 15Air Ducts ................................................................................. ] 7General Requirements ....................................................... 17Ductwork Acoustical Treatment ....................................... 18Supply-Air Connections .................................................... 1SReturn=Air < onnections ..................................................... 18Filter Arrangement .................................................................. 18Bottom Closure Panel ............................................................. i9Gas Piping ............................................................................... 19Electrical ( onnections ............................................................ 20] 15-v Wiring ...................................................................... 2024-v Wiring ........................................................................ 22Accessories ........................................................................ 22Direct Venting ......................................................................... 23Removal of Existing Furnaces fl'om( ommon Vent Systems ......................... 23Combustion-Air and Vent Piping .................... 23Concentric Vent and Combustion-Air TemainationKit Installation ................................ 29Multiventing and Vent Tem_inations ................. 32Condensate Drain ................................. 35NNNNNAs an ENERGY STAR'rePmtne< Came* ('o_pora-don has detem_ined thatthis Ixoduct meets the E\ u REGISTERED QUALITY SYSTEMERGY STAR® guidelh_esfbl energ 3 efficiencyAIRFLOW4>¢ HORIZONTAL HORIZONTALLEFT RIGHTAIRFLOW AIRFLOW©AIRFLOWFig. 1--MuRipoise Orientations A93041General ............................................................................... 35Application ........................................ 35Condensate Drain Protection ...................... 36START-UP, ADJUSTMENTS AND SAFETY CHECK. _ 36General ......................................... 36Select Setup Switch Positions ........................................... 36Prime < ondensate Trap With Water ................................. 37Purge Gas Lines ................................................................ 38Sequence of Operation ...................................................... 38Single-Stage Thermostat and Two-Stage Heating(Adaptive Mode) .......................... 38Two=Stage Them_ostat and Two=Stage Heating ...... 39Cooling Mode .............................. 40Them_idistat Mode .......................... 40Supe*-Dehumidif) Mode ............................ 40Continuous Blower Mode ...................... 41Heat Pump ................................ 41Component Test ............................ 41Ac{iustments ................................... 4 lSet Gas Input Rate .......................... 41Set Temperam*e Rise .......................... 48Set Them_ostat Heat Anticipator .................. 49Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 101 Catalog No 535-80130 Printed in U.S.A. Form 58MVP-14SI Pg 1 5-04 Replaces: 58MVP-13SI
