From inside (document excerpt):
WeatherMaker 8000TM 58WAV Upflow Induced-Combustion Furnaces Visit www.carrier.com Installation, Start-Up, and Operating Instructions Sizes 045-155, Series 141 NOTE: Read the entire instruction manual before starting the installation. This symbol indicates a change since the last issue. Index Page SAFETY CONSIDERATIONS .1 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PROCEDURE 2-3 Dimensional Drawing .2 Clearances From Combustible Materials .3 INTRODUCTION .3 LOCATION 3 General .3 Location Relative to Cooling Equipment .3 Hazardous Locations .3 AIR FOR COMBUSTION AND VENTILATION 3-5 Unconfined Space 4 Confined Space 4-5 AIR DUCTS 5-6 General Requirements .5 Ductwork Acoustical Treatment 5-6 Supply-Air Connections 6 Return-Air Connections .6 FILTER ARRANGEMENT 5-6 LEVELING LEGS (IF REQUIRED) .5-6 GAS PIPING .6-7 ELECTRICAL CONNECTIONS .7 115-v Wiring 7 24-v Wiring 7 Accessories 7 VENTING .7 START-UP, ADJUSTMENT, AND SAFETY CHECK 7-14 General 7-8 Sequence Of Operation 8-11 Heating Mode .9-11 Cooling Mode 11 Continuous Blower Mode .11 Heat Pump Mode .11 Start-Up Procedures .11 Adjustments 11-14 Set Gas Input Rate .11-13 Set Temperature Rise .13-14 Set Thermostat Heat Anticipator 14 Check Safety Controls 14 Checklist 14 SAFETY CONSIDERATIONS Installing and servicing 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 ama CANADIAN GAS ASSOCIATION ® A PP R O VED R REGISTERED QUALITY SYSTEM 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 54-1996/ANSI Z223.1-1996 and the Installation Standards, Warm Air Heating and Air Conditioning Systems (NFPA 90B) ANSI/NFPA 90B. In Canada, refer to CAN/CGA-B149.1- and .2-M95 National Standard of Canada, Natural Gas and Propane Installation Codes (NSCNGPIC). These instructions cover minimum requirements and conform to existing national standards and safety codes. In some instances, these instructions exceed certain local codes and ordinances, especially those that may not have kept up with changing residential construction practices. We require these instructions as a minimum for a safe installation. Wear safety glasses and work gloves. Have fire extinguisher available during start-up and adjustment procedures and service calls. Recognize safety information. This is the safety-alert symbol. When you see this symbol on the furnace and in instructions or manuals, be alert to the potential for personal injury. Understand the signal words DANGER, WARNING, CAUTION, and NOTE. These words are used with the safety-alert symbol.