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INSTALLATION CODES
Installation must be in accordance with local codes, or, in the absence of local codes, with the latest editions
of the National Fuel Gas Code, ANSI Z223.1/NFPA 54, and the National Electrical Code, ANSI/NFPA 70. In
Canada installations must conform with the current CAN/CSA B149.1 and the Canadian Electrical Code Part 1
CSA C22.2 No.1. Where required by the authority having jurisdiction, the installation must conform to American
Society of Mechanical Engineers Safety Code for Controls and Safety Devices for Automatically Fired Heaters, CSD-
1.
INSTALLATION BASE
The heater should be mounted on a level, non-combustible surface. Heater must not be installed on
carpeting. The heater can be installed on a combustible surface only when the appropriate listed floor shield base
is provided. An optional listed floor shield base is available for factory installation with the heater on all indoor
models. Do NOT use the shipping base crate as an installation base.
NOTE: The heater should be located in an area where water leakage will not result in damage to the area adjacent
to the appliance or to the structure. When such locations cannot be avoided, it is recommended that a suitable
drain pan, adequately drained, be installed under the appliance. The pan must not restrict air flow.
In addition, the heater shall be installed such that the gas ignition system components are protected from water
(dripping, spraying, rain, etc.) during appliance operation and service (circulator replacement, control replace-
ment, etc.).
Combustible floorshield ordering information:
ALTERNATE METHOD FOR PROVIDING A NON-
COMBUSTIBLE BASE
INSTALLATION INSTRUCTIONS
5
Fig.# 8148