General information, Water vapor: a by-product of unvented room heaters – Golden Blount Precision Flame Burner User Manual

Page 5

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GENERAL INFORMATION

This is an unvented gas-fired heater. It uses air (oxygen)
from the room in which it is installed. Provisions for ade-
quate combustion and ventilation air must be provided.

Keep room area clear and free from combustible materi-
als, gasoline, and other flammable vapors and liquids.

Unvented gas heaters are a supplemental zone heater.
They are not intended to be a primary heating appliance.
Water vapor produced by an unvented heater can create
moisture problems in a home when operated for
extended periods of time.

During manufacturing, fabricating and shipping, various
components of this appliance are treated with certain oils,
films, or bonding agents. These chemicals are not harm-
ful but may produce annoying smoke and smells as they
are burned off during the initial operation of the appliance,
possibly causing headaches or eye or lung irritation. This
is a normal and temporary occurrence.

The initial break-in operation should last 2-3 hours with
the burner at the highest setting. Provide maximum
ventilation by opening windows or doors to allow odors to
dissipate. Any odors remaining after this initial break-in
period will be slight and will disappear with continued use.

This appliance must not be used with glass doors in the
closed position. This can lead to pilot outages and severe
sooting outside the fireplace.

Do not use this room heater if any part has been under
water. Immediately call a qualified service technician to
inspect the room heater, and replace any part of the
control system and any gas control which has been under
water.

Qualified Installing Agency

Installation and replacement of gas piping, gas utilization
equipment or accessories, and repair and servicing of
equipment shall be performed only by a qualified agency.
The term “qualified agency” means any individual, firm,
corporation, or company that either in person or through
a representative is engaged in and is responsible for
(a) the installation, testing, or replacement of gas piping
or (b) the connection, installation, testing, repair, or
servicing of equipment; that is experienced in such work;
that is familiar with all precautions required, and that
has complied with all the requirements of the authority
having jurisdiction.

The installation must conform with local codes or, in the
absence of local codes, with the National Fuel Gas Code
ANSI Z223.1*.

*Available from the American National Standards Institute, Inc. 11 West
42nd St., New York, N.Y. 10018.

High Altitudes: Installations at altitudes of 2,000 feet
above sea level or greater may require modifications to
the gas log burner assembly. Call factory for more
information.

WATER VAPOR: A BY-PRODUCT OF UNVENTED ROOM HEATERS

Water vapor is a by-product of gas combustion. An
unvented room heater produces approximately one (1)
ounce (30ml) of water for every 1,000 BTU’s (.3KW’s) of
gas input per hour.

Unvented room heaters must be used as supplemental
heat (a room) rather than a primary heat source (an
entire house). In most supplemental heat applications,
the water vapor does not create a problem. In most
applications, the water vapor enhances the low humidity
atmosphere experienced during cold weather.

The following steps will help insure that water vapor
does not become a problem.

1. Be sure the heater is sized properly for the applica-

tion, including ample combustion air and circulation
air.

2. If high humidity is experienced, a dehumidifier may

be used to help lower the water vapor content of the
air.

3. Do not use an unvented room heater as the primary

heat source (an entire house).

WARNING: This appliance is equipped for (natural or
propane) gas. Field conversion is not permitted.

State of Massachusetts: The installation must be
made by a licensed plumber or gas fitter in the
Commonwealth of Massachusetts.

Sellers of unvented propane or natural gas-fired
supplemental room heaters shall provide to each
purchaser a copy of 527 CMR-30 upon sale of the
unit.

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