Carrier 58MVP 7SI Gas Furnace Owners Manual

58MVP 4-Way Multipoise Direct-Vent Variable-Capacity Condensing Gas Furnace Visit www.carrier.com Installation, Start-Up, and Operating Instructions For Sizes 040–120, Series 121 NOTE: Read the entire instruction manual before starting the installation. ® ama CANADIAN GAS ASSOCIATION A PP R O VED R A93040 This symbol indicates a change since the last issue. Index Page DIMENSIONAL DRAWING 2 SAFETY CONSIDERATIONS .3 Clearances to Combustibles 3 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS 3-4 INTRODUCTION 4 APPLICATIONS 4-11 General 4 Upflow Applications 4-7 Downflow Applications .7-8 Horizontal Left (Supply-Air Discharge) Applications .8-9 Horizontal Right (Supply-Air Discharge) Applications .9-11 LOCATION 11-13 General .11-12 Low-Fire Only Installation 12-13 Furnace Location Relative to Cooling Equipment 13 Hazardous Locations .13 INSTALLATION 13-17 Leveling Legs (If Desired) .13 Installation In Upflow or Downflow Applications 13-15 Installation In Horizontal Applications 15 Filter Arrangement 16 Bottom Closure Panel .16 Gas Piping .17 ELECTRICAL CONNECTIONS .17-21 115-v Wiring 17-18 24-v Wiring 18-20 Accessories 20-21 DIRECT VENTING .21-29 Removal of Existing Furnaces from Common Vent Systems .21 Combustion-Air and Vent Piping .21-26 Concentric Vent and Combustion-Air Termination Kit Installation 26-29 Multiventing and Vent Terminations .29 CONDENSATE DRAIN 29-31 General 29 Application 29 Condensate Drain Protection 31 SEQUENCE OF OPERATION 31-34 Self-Test Mode 31 Heating Mode 31-32 As an ENERGY STARSM Partner, Carrier Corporation has determined that this product meets the ENERGY STAR guidelines for energy efficiency.

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CERTIFICATION OF MANUFACTURING SITE AIRFLOW UPFLOW HORIZONTAL LEFT DOWNFLOW AIRFLOW HORIZONTAL RIGHT AIRFLOW AIRFLOW Fig. 1–Multipoise Orientations A93041 Heating Mode–Two Stage 32 Emergency Heat Mode .32 Cooling Mode 32-33 Heat Pump Mode 33 Continuous Fan Mode .33-34 Component Test 34 Bypass Humidifier Mode 34 Dehumidification Mode 34 Zone Mode 34 START-UP PROCEDURES 34-43 General 34 Select Setup Switch Positions .34-36 Prime Condensate Trap With Water 36 Purge Gas Lines 36 Adjustments .37-43 Set Gas Input Rate 37-42 Set Temperature Rise 42 Set Thermostat Heat Anticipator 42-43 CHECK SAFETY CONTROLS 43 Check Primary Limit Control .43 Check Pressure Switch .43 CHECKLIST .43-44 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book.

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