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

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Carrier 58MCA Installation, Start-up, And Operating Instructions Manual Manual pdf 1 page image

58MCA4-Way Multipoise Fixed-CapacityDirect-Vent Condensing Gas FurnaceInstallation, Start-Up, and Operating InstructionsFor Sizes 040-140, Series 170NOTE: Read the entire instruction manual before starting theinstallation.This symbol → indicates a change since the last issue.Index PageDIMENSIONAL DRAWING........................................................2SAFETY CONSIDERATIONS .....................................................3Clearances to Combustibles......................................................4ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS........5INTRODUCTION ..........................................................................5APPLICATIONS ......................................................................6-12General ......................................................................................6Upflow Applications..............................................................6-7Downflow Applications.........................................................7-9Horizontal Left (Supply-Air Discharge) Applications .......9-10Horizontal Right (Supply-Air Discharge) Applications...10-12LOCATION ............................................................................12-13General ....................................................................................12Furnace Location Relative to Cooling Equipment ................13Hazardous Locations...............................................................13INSTALLATION....................................................................13-14Leveling Legs (If Desired)................................................13-14Installation In Upflow and Downflow Applications .............14Installation In Horizontal Applications ..................................14AIR DUCTS............................................................................14-19General ....................................................................................14Ductwork Acoustical Treatment.............................................16Supply Air Connections ....................................................16-17Return Air Connections ..........................................................17Filter Arrangement..................................................................17Bottom Closure Panel.............................................................18Gas Piping..........................................................................18-19ELECTRICAL CONNECTIONS...........................................19-20115-v Wiring......................................................................19-2024-v Wiring.............................................................................20Accessories..............................................................................20DIRECT VENTING ...............................................................20-30Removal of Existing Furnaces fromCommon Vent Systems.....................................................23Combustion-Air and Vent Piping .....................................23-29Concentric Vent and Combustion-Air TerminationKit Installation..............................................................29-30Multiventing and Vent Termination.......................................30CONDENSATE DRAIN ........................................................30-34General...............................................................................30-32Application ..............................................................................32Condensate Drain Protection.............................................32-34SEQUENCE OF OPERATION..............................................34-36Heating Mode..........................................................................34Cooling Mode ....................................................................34-35Continuous Blower Mode.......................................................35Heat Pump Mode ....................................................................35Component Test.................................................................35-36START-UP PROCEDURES ..................................................36-44General ....................................................................................36Prime Condensate Trap With Water ......................................36Purge Gas Lines......................................................................36Adjustments .......................................................................36-44Set Gas Input Rate ............................................................36-44Set Temperature Rise..............................................................44Blower Off Delay (Heat Mode) .............................................44Set Thermostat Heat Anticipator............................................44CHECK SAFETY CONTROLS..................................................44Check Primary Limit Control.................................................44Check Pressure Switch ...........................................................44CHECKLIST ................................................................................45A93040ama CERTIFIEDAs an ENERGY STAR®Partner, Carrier Corpora-tion has determined thatthis product meets the EN-ERGY STAR® guidelinesfor energy efficiency.REGISTERED QUALITY SYSTEMFig. 1—Multipoise Orientations A93041UPFLOWDOWNFLOWHORIZONTALLEFTAIRFLOW AIRFLOWAIRFLOWAIRFLOWHORIZONTALRIGHTVisit www.carrier.comManufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Book 1 4Tab 6a 8a PC 101 Catalog No. 535-80091 Printed in U.S.A. Form 58MCA-10SI Pg 1 12-02 Replaces: 58MCA-9SI