Enviro DV50DX - Manual (Page 4)

DIRECT VENT ONLY: This type is identified by the prefix 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.
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 certified 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 (DV50DX; 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 DV50DX Fireplace:
• Has been certified 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.)
Codes And Approvals
• 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 flue serving a separate solid-fuel burning appliance.
IMPORTANT NOTICE (Regarding first fire up): When the unit is turned
on for the first time, it should be turned onto high without the fan on for
the first 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 first 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 fireplace glass cleaner, available at your local ENVIRO dealer.
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