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DIRECT VENT ONLY: 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.
** TOP VENT DV ONLY** 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 (ASCOT 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
This ENVIRO ASCOT Fireplace:
• Has been certied for use with either natural or propane gases. (See rating label.)
• Is not for use with solid fuels.
Codes And Approvals
• 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.
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.