Carrier 58MVP 6SI 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.

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 1 4 PC 101 Catalog No