5
Outdoor Lifestyles by Hearth & Home Technologies • Installation Manual TWILIGHT-II-MOD • 2290-970 Rev. F • 11/13
F. High Altitude Installations
NOTICE:
If the heating value of the gas has been reduced,
these rules do not apply. Check with your local gas utility
or authorities having jurisdiction.
When installing above 2000 feet elevation:
• In the USA: Reduce input rate 4% for each 1000 feet
above 2000 feet.
• In CANADA: Reduce input rate 10% for elevations
between 2000 feet and 4500 feet. Above 4500 feet,
consult local gas utility.
Check with your local gas utility to determine proper
ori
fi
ce size.
G. Non-Combustible Materials Speci
fi
cation
Material which will not ignite and burn. Such materials are
those consisting entirely of steel, iron, brick, tile, concrete,
slate, glass or plasters, or any combination thereof.
Materials that are reported as passing
ASTM E 136,
Standard Test Method for Behavior of Materials in
a Vertical Tube Furnace at 750 ºC
shall be considered
non-combustible materials
.
H. Combustible Materials Speci
fi
cation
Materials made of or surfaced with wood, compressed pa-
per, plant
fi
bers, plastics, or other material that can ignite
and burn, whether
fl
ame proofed or not, or plastered or
unplastered shall be considered combustible materials.
I. Electrical
Codes
NOTICE:
This appliance must be electrically wired and
grounded in accordance with local codes or, in the absence
of local codes, with
National Electric Code ANSI/NFPA
70-latest edition
or the
Canadian Electric Code CSA
C22.1.
• A 110-120 VAC circuit for this product must be protected
with ground-fault circuit-interrupter protection, in compliance
with the applicable electrical codes, when it is installed in
locations such as in bathrooms or near sinks.
