From inside (document excerpt):
58TUA 2Speed, 2Stage Induced-Combustion Gas Furnace Visit www.carrier.com Installation, Start-Up, and Operating Instructions Size 040135, Series 130 NOTE: Read the entire instruction manual before starting the installation. This symbol indicates a change since the last issue. TABLE OF CONTENTS SAFETY CONSIDERATIONS .1 INTRODUCTION 1 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS 3 LOCATION 4 General 4 Location Relative to Cooling Equipment 4 Hazardous Locations .4 AIR FOR COMBUSTION AND VENTILATION 4 Unconfined Space .5 Confined Space .5 INSTALLATION .6 Air Ducts .6 General Requirements .6 Ductwork Acoustical Treatment .6 Supply Air Connections 7 Return Air Connections .7 Filter Arrangement 7 Leveling Legs (If Required) .8 Gas Piping .8 Electrical Connections 9 115-v Wiring 9 24-v Wiring 9 Accessories 9 Venting 9 START-UP, ADJUSTMENT AND SAFETY CHECK .9 General 9 Sequence of Operation 10 Start-up Procedures .15 Adjustments .15 Check Safety Controls 21 Checklist 22 SAFETY CONSIDERATIONS Installation and servicing of heating equipment can be hazardous due to gas and electrical components.
Only trained and qualified personnel should install, repair, or service heating equipment. Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be performed by trained service personnel. When working on heating equipment, observe precautions in the literature, on tags, and on labels attached to or shipped with the unit and other safety precautions that may apply. Follow all safety codes. In the United States, follow all safety codes including the National Fuel Gas Code (NFGC) NFPA 54-1999/ANSI Z223.1-1999 and the Installation Standards, Warm Air Heating and Air Conditioning Systems (NFPA 90B) ANSI/NFPA 90B. In Canada, refer to the current edition of the CAN/CGA-B149.1- and .2-M00 National Standard of Canada