Building Codes And Safety Standards - Williams 4505621 Installation & Operating Instruction Manual

BUILDING CODES AND SAFETY STANDARDS
THE DESIGN OF THIS FURNACE IS NOT CERTIFIED FOR USE IN MOBILE HOMES, TRAVEL
TRAILERS OR CAMPERS. THIS FURNACE MUST BE PROPERLY VENTED TO THE OUTSIDE
FOR SAFE OPERATION. DO NOT OPERATE THIS FURNACE WITHOUTAN ADEQUATE VENTING
SYSTEM.
THE DESIGN OF THIS APPLIANCE COMPLIES WITH ANSI Z21.48.
THE SECTIONS OF THIS MANUAL PERTAINING TO VENTING AND GAS PIPING PROVIDE ONLY
BASIC GUIDELINES. BE SURE THE INSTALLATION OF THE VENT AND GAS PIPING COMPLIES
WITH LOCAL CODES. IN THE ABSENCE OF LOCAL CODES, BE SURE TO COMPLY WITH THE
NATIONAL FUEL GAS CODE ANSI Z223.1.
IMPORTANT GENERAL INFORMATION
Read these instructions completely before beginning the installation and use these instructions as a guide during the installation.
Your furnace has been carefully designed and constructed. The design of this furnace has been tested according to the
standards set by the American National Standards Institute, and the design has been certified by the American Gas Association
as conforming to these standards. Care has been taken to assure that your furnace will operate safely, efficiently, and
reliably, but your furnace must be properly installed. Only a licensed or otherwise qualified gas equipment installer should
install this furnace, the vent serving this furnace, and the gas piping. Installation procedures should comply with these
instructions and the latest edition of the American National Standard National Fuel Gas Code Z223.1. You should also refer
to any local codes or ordinances which may apply. Improper installation of the furnace, vents or gas piping, can subject you
and your property to fire, explosion, or asphyxiation hazards and will void the warranty offered by Williams Furnace Co. Do
not be satisfied with an improper installation.
Do not use this furnace if any part has been under water. Immediately call a qualified service technician to inspect the furnace
and to replace any part of the control system and any gas control which has been under water.