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PRODUCT FEATURES
OPERATION
This vent-free fireplace insert is clean burning. It
requires no outside venting. There is no heat loss
out a vent or up a chimney. Heat is generated by
both realistic flames and glowing embers. When
used without the blower, the fireplace insert re-
quires no electricity making it ideal for emergency
backup heat.
SAFETY DEVICE
This fireplace insert has a pilot with an Oxygen
Depletion Sensing (ODS) safety shutoff system.
The ODS/pilot is a required feature for vent-free
room heaters. The ODS system shuts off the fire-
place insert if there is not enough fresh air.
PIEZO IGNITION SYSTEM
This fireplace insert has a piezo ignitor. This sys-
tem requires no matches, batteries or other sources
to light fireplace insert.
BLOWER ASSEMBLY
This fireplace insert is equipped with a blower
assembly. The blower operates thermostatically
and has a variable control. The blower circulates
heated air from the fireplace insert into the room.
Use of blower is optional.
AIR FOR COMBUSTION
AND VENTILATION
WARNING: This heater shall
not be installed in a confined
space or unusually tight construc-
tion unless provisions are provid-
ed for adequate combustion and
ventilation air. Read the following
instructions to insure proper fresh
air for this and other fuel-burning
appliances in your home.
Todayʼs homes are built more energy efficient
than ever. New materials, increased insulation and
new construction methods help reduce heat loss
in homes. Home owners weather strip and caulk
around windows and doors to keep the cold air out
and the warm air in. During heating months, home
owners want their homes as airtight as possible.
While it is good to make your home energy effi-
cient, your home needs to breathe. Fresh air must
enter your home. All fuel-burning appliances need
fresh air for proper combustion and ventilation.
6
Exhaust fans, fireplaces, clothes dryers and fuel
burning appliances draw air from the house to
operate. You must provide adequate fresh air for
these appliances. This will insure proper venting
of vented fuel-burning appliances.
PROVIDING ADEQUATE
VENTILATION
The following are excerpts from National Fuel
Gas Code ANSI Z223.1/NFPA 54, Section 5.3, Air
for Combustion and Ventilation.
All spaces in homes fall into one of the three fol-
lowing ventilation classifications:
1. Unusually Tight Construction
2. Unconfined Space
3. Confined Space
The information on pages 6 through 8 will help
you classify your space and provide adequate
ventilation.
Unusually Tight Construction
The air that leaks around doors and windows
may provide enough fresh air for combustion and
ventilation. However, in buildings of unusually
tight construction, you must provide additional
fresh air.
Unusually tight construction is defined as con-
struction where:
a. walls and ceilings exposed to the out-
side atmosphere have a continuous
water vapor retarder with a rating of
one perm (6 x 10
less with openings gasketed or sealed
and
b. weather stripping has been added on
openable windows and doors and
c. caulking or sealants are applied to
areas such as joints around window
and door frames, between sole plates
and floors, between wall-ceiling joints,
between wall panels, at penetrations
for plumbing, electrical and gas lines
and at other openings.
If your home meets all of the three criteria
above, you must provide additional fresh
air. See Ventilation Air From Outdoors,
page 8.
If your home does not meet all of the three
criteria above, proceed to Determining
Fresh-Air Flow for Heater Location, page 7.
www.desatech.com
kg per pa-sec-m
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