Carrier 58MXA 13SI Gas Furnace Owners Manual

58MXA Deluxe 4­Way Multipoise Fixed-Capacity Direct Vent Condensing Gas Furnace Visit www.carrier.com Installation, Start-Up, and Operating Instructions Sizes 040-140, Series 160 Condensate Trap Freeze Protection 10 Construct a Working Platform 10 Horizontal Right (Supply-Air Discharge) Applications 10 Condensate Trap Location 11 Condensate Trap Tubing .11 Condensate Trap Field Drain Attachment 11 Pressure Switch Tubing .11 Condensate Trap Freeze Protection 12 Construct a Working Platform 12 LOCATION 12 General 12 Furnace Location Relative to Cooling Equipment .13 Hazardous Locations .13 INSTALLATION .13 Leveling Legs (If Desired) .13 Installation in Upflow and Downflow Applications 14 Installation in Horizontal Applications 15 Air Ducts .16 General Requirements .16 Ductwork Acoustical Treatment .16 Supply Air Connections 16 Return Air Connections .17 Filter Arrangement 17 Bottom Closure Panel .17 Gas Piping .18 Electrical Connections 19 115­v Wiring .19 24­v Wiring .19 Accessories 20 Direct Venting .20 Removal of Existing Furnaces from Common Vent Systems .20 Combustion-Air and Vent Piping .21 Concentric Vent and Combustion-Air Termination Kit Installation 26 Multiventing and Vent Terminations 31 Condensate Drain 31 General .31 Application .31 Condensation Drain Protection .31 Sequence of Operation 33 Heating Mode 33 Cooling Mode 34 Thermidistat Mode 34 Continuous Blower Mode .37 Heat Pump Mode .37 Component Test .38 START-UP PROCEDURES 38 General 38 Prime Condensate Trap With Water 38 A93040 NOTE: Read the entire instruction manual before starting the installation.

This symbol indicates a change since the last issue. TABLE OF CONTENTS SAFETY CONSIDERATIONS .2 INTRODUCTION 3 CODES AND STANDARDS 3 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS 3 APPLICATIONS 5 General 5 Upflow Applications .5 Condensate Trap Location (Factory-Shipped Orientation) 5 Condensate Trap Tubing (Factory-Shipped Orientation) 6 Condensate Trap Location (Alternate Upflow Orientation) 6 Condensate Trap Tubing (Alternate Upflow Orientation) 7 Condensate Trap Field Drain Attachment 7 Pressure Switch Tubing .7 Upper Collector Box and Inducer Housing (Unused) Drain Connections .7 Condensate Trap Freeze Protection 8 Downflow Applications 8 Condensate Trap Location 8 Condensate Trap Tubing .8 Condensate Trap Field Drain Attachment 9 Pressure Switch Tubing .9 Condensate Trap Freeze Protection 9 Horizontal Left (Supply-Air Discharge) Applications 9 Condensate Trap Location 9 Condensate Trap Tubing .9 Condensate Trap Field Drain Attachments 10 Pressure Switch Tubing .10 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. 535­80085 Printed in U.S.A. Form 58MXA-13SI Pg 1 7-02 Replaces: 58MXA-12SI Tab 6a 8a Purge Gas Lines 39 Adjustments .39 Set Gas Input Rate 39 Set Temperature Rise 45 Adjust Blower Off Delay (Heat Mode) 45 Set Thermostat Heat Anticipator 45 Check Safety Controls 46 Check Primary Limit Control .46 Check Pressure Switch 46 Checklist 46 Improper installation, adjustment, alteration, service, maintenance, or use can cause carbon monoxide poisoning, explosion, tire, electrical shock, or other conditions which may cause personal injury or property damage. Consult a qualified installer, service agency, local gas supplier, or your distributor or branch for information or assistance. The qualified installer or agency must use only factory-authorized and listed kits or accessories when modifying this product. Failure to follow this warning could result in electrical shock, fire, personal injury, or death. Installing and servicing heating equipment can be hazardous due to gas and electrical components.