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From inside (document excerpt):
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 180 NOTE: Read the entire instruction manual before starting the installation. ama CERTIFIED A93040 This symbol indicates a change since the last issue. Index Page SAFETY CONSIDERATIONS .2 DIMENSIONAL DRAWING 3 Clearances to Combustibles 4 CODES AND STANDARDS 4 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS 5 INTRODUCTION 5 APPLICATIONS 6 General 6 Upflow Applications .6 Downflow Applications 8 Horizontal Left (Supply-Air Discharge) Applications 9 Horizontal Right (Supply-Air Discharge) Applications 12 LOCATION 13 General 13 Low-Heat Only Installation 14 Furnace Location Relative to Cooling Equipment 14 Hazardous Locations .15 INSTALLATION .15 Leveling Legs (If Desired) .15 Installation In Upflow or Downflow Applications 15 Installation In Horizontal Applications 15 Air Ducts .17 General Requirements .17 Ductwork Acoustical Treatment .18 Supply-Air Connections 18 Return-Air Connections .18 Filter Arrangement 18 Bottom Closure Panel .19 Gas Piping .19 Electrical Connections 20 115-v Wiring 20 24-v Wiring 22 Accessories 22 Direct Venting .23 Removal of Existing Furnaces from Common Vent Systems 23 Combustion-Air and Vent Piping .23 Concentric Vent and Combustion-Air Termination Kit Installation 29 Multiventing and Vent Terminations 32 Condensate Drain 35 As an ENERGY STAR® Partner, Carrier Corporation has determined that this product meets the ENERGY STAR® guidelines for energy efficiency.
REGISTERED QUALITY SYSTEM AIRFLOW UPFLOW HORIZONTAL LEFT DOWNFLOW AIRFLOW HORIZONTAL RIGHT AIRFLOW AIRFLOW Fig. 1–Multipoise Orientations A93041 General .35 Application .35 Condensate Drain Protection .36 START-UP, ADJUSTMENTS AND SAFETY CHECK 36 General .36 Select Setup Switch Positions .36 Prime Condensate Trap With Water .37 Purge Gas Lines 38 Sequence of Operation 38 Single-Stage Thermostat and Two-Stage Heating (Adaptive Mode) .38 Two-Stage Thermostat and Two-Stage Heating .39 Cooling Mode .40 Thermidistat Mode .40 Super-Dehumidify Mode 40 Continuous Blower Mode 41 Heat Pump 41 Component Test .41 Adjustments .41 Set Gas Input Rate .41 Set Temperature Rise .48 Set Thermostat Heat Anticipator .49 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. 535-80130 Printed in U.S.A. Form 58MVP-14SI Pg 1 5-04 Replaces: 58MVP-13SI Tab 6a 8a Check Safety Controls .49 Check Primary Limit Control 49 Check Pressure Switch .50 CHECKLIST 50 SAFETY CONSIDERATIONS CUTS AND ABRASION HAZARD Failure to follow this caution may result in personal injury. Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing and gloves when handling parts. Failure to follow this caution could result in personal injury. The 58MVP Multipoise Condensing Gas-Fired Furnaces are C.S.A. (formerly AGA and CGA) design-certified for natural and propane gases (see furnace rating plate) and for installation in alcoves, attics, basements, closets, utility rooms, crawlspaces, and garages. The furnace is factory-shipped for use with natural gas. A C.S.A. (formerly AGA and CGA) listed gas conversion kit is required to convert furnace for use with propane gas. See Fig. 3 for required clearances to combustibles. Maintain a 1-in. clearance from combustible materials to supply air ductwork for a distance of 36 inches horizontally from the furnace. See NFPA 90B or local code for further requirements.