User Guide

2
ROUGH-IN-DIMENSIONS
FOREWORD
The design of model BTF-80 complies with the current version
of ANSI Z21.10.3/CSA 4.3 as automatic storage or automatic
circulating tank type water heaters.
Installation diagrams are found in this manual. These diagrams
will serve to provide the installer with a reference for the
materials and method of piping necessary. It is highly essential
that all water and gas piping be installed as shown on the
diagrams.
In addition to these instructions, the equipment shall be installed
in accordance with those installation regulations in force in the
local area where the installation is to be made. These shall be
carefully followed in all cases. Authorities having jurisdiction
should be consulted before installations are made.
The installation must conform to these instructions and the local
code authority having jurisdiction. In the absence of local codes, the
installation must comply with the current editions of the National
Fuel Gas Code, ANSI Z223.1/NFPA 54 and the National Electrical
Code, NFPA 70 or CAN/CSA-B149.1, the Natural Gas and Propane
Installation Code and CSA C22.1, the Canadian Electrical Code.
All documents are available from the Canadian Standards
Association, 8501 East Pleasant Valley Road, Cleveland, OH
44131. NFPA documents are also available from the National Fire
Protection Association, 1 Batterymarch Park, Quincy, MA 02269.
TOP VIEW
RECOVERY CAPACITIES
Recovery capacity based on 80% thermal efciency.