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DIRECT VENT: This type is identied by the sufx DV. This appliance draws all of its air for combustion from
outside the dwelling, through a specially designed vent pipe system.
This appliance has been tested and approved for installations from 0 feet to 4500 feet (1372 m) above sea level.
BV: This Vented appliance draws all of its combustion air from the dwelling and must be vented using listed B or L
vent. May also be vented through a conventional chimney using a chimney liner kit.
This appliance has been tested and approved for installations from 0 feet to 4500 feet (1372 m) above sea level.
In the USA: The appliance may be installed at higher altitudes. Please refer to your American Gas Association
guidelines which state: the sea level rated input of Gas Designed Appliances installed at elevations above 2000
(610 m) feet is to be reduced 4% for each 1000 feet (305 m) above sea level. Refer also to local authorities or
codes which have jurisdiction in your area regarding the de-rate guidelines.
In Canada: When the appliance is installed at elevations above 4500 feet (1372 m), the certied high altitude
rating shall be reduced at the rate of 4% for each additional 1000 feet (305 m).
• This appliance has been tested by INTERTEK (Warnock Hersey) and found to comply with the established
VENTED GAS FIREPLACE HEATER standards in CANADA and the USA as follows:
VENTED GAS FIREPLACE HEATER (SIENNA BV/DV; NG/LPG)
TESTED TO: ANSI Z21.88a-2003/CSA 2.33a-2003 VENTED GAS FIREPLACE HEATERS
CAN/CGA 2.17-M91 GAS FIRED APPLIANCES FOR HIGH ALTITUDES
CSA P.4.1-02 TESTING METHOD FOR MEASURING ANNUAL FIREPLACE EFFICIENCY
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Codes And Approvals
This ENVIRO SIENNA Fireplace:
• Has been certied for use with either natural or propane gases. (See rating
label.)
• Is not for use with solid fuels.
• Is approved for bedroom or bed sitting room. (IN CANADA: must be installed
with a listed wall thermostat. IN USA: see current ANSI Z223.1 for installation
instructions.)
• Must be installed in accordance with local codes. If none exist, use current
installation code CAN/CGA B149 in Canada or ANSI Z223.1/NFPA 54 in the USA.
• Must be properly connected to an approved venting system and not connected to
a chimney ue serving a separate solid-fuel burning appliance.
• Is not approved for closet or recessed installations.
IMPORTANT NOTICE (Regarding rst re up): When the unit is turned on
for the rst time, it should be turned onto high without the fan on for the rst 4
hours. This will cure the paint, logs, gasket material and other products used in
the manufacturing process. It is advisable to open a window or door, as the unit
will start to smoke and can irritate some people. After the unit has gone through
the rst burn, turn the unit off including the pilot, let the unit get cold then remove
the glass door and clean it with a good gas replace glass cleaner, available at
your local ENVIRO dealer.