Archgard 31-DVI33N Specifications download pdf (Page 12)

31-DVI33N 12

Before connecting the appliance to the gas supply line, double check that the appliance you

have purchased is designed for the gas type you are using. The gas type markings are located

on the certification label and also on the appliance’s gas valve.

Adequate clearance for proper installation and checking of the gas connections must be

provided. All gas connections must be checked for gas leaks.

GAS CONNECTIONS

Have your gas supplier or a qualified gas fitter run a gas supply line into the fireplace. The line

must be properly sized and fitted according to the installation codes. Immediately upstream of the

supply connection, the fitter shall provide an accessible manual shut-off valve. When connecting

the supply line to the gas valve, the installer shall brace the gas valve to ensure that the gas valve

is not moved from its bracket. If the valve is not braced when the supply line is connected, the

valve may be moved and cause a “break” in the main burner supply line. Such damage is not

covered by the manufacturer’s warranty.

CAUTION: The appliance and its individual shutoff valve must be disconnected from the gas

supply piping system during any pressure-testing of that system at test pressures in excess of 1/2

psig (3.5 kPa). The appliance must be isolated from the gas supply piping system by closing its

individual manual shutoff valve during any pressure-testing of the gas supply piping system at

test pressures equal to or less than 1/2 psig (3.5 kPa). Failure to do so will damage the

appliance’s gas valve. Such damage is not covered by the manufacturer’s warranty.

Natural Gas Pressure Settings:

The inlet supply or line pressure must be a minimum of 4.5” W.C. (1.2 kPa) and a maximum of

14” W.C. (3.5 kPa). The orifice is a #32 DMS (2.95 mm) drill size.

ELEVATION INPUT RATING

0-4500 ft (0-1372 M) 33,000 BTU/hr (9.6 kW)

4500 ft (1372 M) and above. 33,000 BTU/hr (9.6 kW) less 4% per 1000 ft. (305 M)

Please contact your local distributor for the appropriate orifice size you require.

Propane Pressure Settings:

The inlet supply or line pressure must be a minimum of 11” W.C. (2.8 kPa) and a maximum of 14”

W.C. (3.5 kPa). The orifice is a #49 DMS (1.85 mm) drill size.

ELEVATION INPUT RATING

0-4500 ft. (0-1372 M) 33,000 BTU/hr (9.6 kW)

4500 ft. (1372 M) and above. 33,000 BTU/hr (9.6 kW) less 4% per 1000 ft. (305 M)

Please contact your local distributor for the appropriate orifice size you require.

NOTE: THE INPUT RATING SHOULD ALWAYS BE CHECKED WHEN FIRST RUNNING THIS

APPLIANCE. To do this, reduce the background flow rate, time the meter, light the fireplace and

take another reading after 15 minutes of operation. Check with your gas supplier for the gas BTU

content at your elevation. Input is the rate of flow multiplied by the heating value of the gas (cubic

feet/hour x BTU per cubic feet). Adjust the manifold pressure so that the unit does not operate

above the rated input.

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Archgard 31-DVI33N Specifications Page 12