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manual abstract
Read all instructions carefully before starting the installation. DO NOT DESTROY. PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE. *RC 92+ Upfl ow *RL 90+ Downfl ow *RC 92+ Full Size Upfl ow Condensing Furnace *RL 90+ Full Size Downfl ow Condensing Furnace Gas Furnaces ! WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause injury or property damage. Refer to this manual for assistance. For additional information consult a qualifi ed installer, service agency, or the gas supplier. ! FOR YOUR SAFETY: Do not store or use gasoline or other fl ammable vapors and liquids in the vicinity of this or any other appliance. ! FOR YOUR SAFETY: WHAT TO DO IF YOU SMELL GAS: • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions. • If you cannot reach your gas supplier, call the fi re department. • Extinguish any open fl ame. 2 Table of Contents Furnace Specifi cations ............................................................................................................ 4-5 Furnace Airflow Data ..........................................................................................................6-7 Safety Information ....................................................................................................................... 8 Installation Requirements ........................................................................................................... 8 Requirements and Codes ...................................................................................................... 8 Location ................................................................................................................................. 8 Downfl ow Warning ................................................................................................................. 9 Horizontal Installations ........................................................................................................ 10 Supply Air Plenum Installation .................................................................................................11 Installation on a Concrete Slab ........................................................................................... 11 Installation on a Combustible Floor ..................................................................................... 11 Circulating Air Supply ............................................................................................................... 11 Return Air ............................................................................................................................ 13 Venting and Combustion Air Requirements ........................................................................... 13 Combustion Air Quality ........................................................................................................ 15 Air Requirements for One-Pipe Installation ......................................................................... 15 Installation in An Unconfined Space .................................................................................... 15 Installation in A Confined Space ......................................................................................... 15 • Air From Inside .................................................................................................................. 16 • Air Directly Through An Exterior Wall ................................................................................ 16 • Outdoor Air Through Vertical Openings or Ducts .............................................................. 17 • Outdoor Air Through Horizontal Openings or Ducts .......................................................... 17 Venting Requirements ............................................................................................................... 17 Vent Pipe Material ............................................................................................................... 18 Vent Pipe Length and Diameter ........................................................................................... 18 Vent Pipe Installation ........................................................................................................... 19 Pipe Routing & Support ....................................................................................................... 19 Location of Outdoor Terminations ........................................................................................ 20 • Horizontal Venting ............................................................................................................ 20 • Vertical Venting .................................................................................................................. 25 • Vent Freezing Protection ..............
Other models in this manual:Electric Heaters - RL 90+ (996.23 kb)