Pre-installation information – Monessen Hearth Direct Vent BLDV400 User Manual
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74D0009
PRE-INSTALLATION INFORMATION
INSTALLING ABOVE 2000 FEET
• In the USA, the appliance must be derated 4% for every 1,000 ft above 2,000 ft elevations. Where the heating value of
the gas has been reduced, these rules do not apply.
• In Canada, these appliances are certified for altitudes of 0 – 2000 ft, and must be de-rated by 10 percent for installations
between 2000 and 4,500 ft. (derate an additional 4% for every 1,000 ft. above 4,500 ft. elevations).
ORIFICE SIZES, PRESSURES AND BTUs
NATURAL GAS
PROPANE GAS
Manifold Press: (W.C.)
3.5"
Manifold Press: (W.C.)
10"
Maximum Supply Pressure
10.5"
Maximum Supply Pressure
13"
Minimum Supply Pressure
4.5"
Minimum Supply Pressure
11"
BEFORE YOU START
Read this homeowner manual thoroughly and follow all instructions carefully. Inspect all contents for shipping damage and
immediately inform your dealer if any damage is found. Do not install any unit with damaged, incomplete, or substitute parts.
Check your packing list to verify that all listed parts have been received. You should have the following:
• Fireplace (Firebox and Burner System)
• Rock
Wool
• Log
Set
ITEMS REQUIRED FOR INSTALLATION
Tools: Building
Supplies:
• Phillips Screwdriver
• Framing Materials
• Hammer
• Wall Finishing Materials
• Saw and/or saber saw
• Caulking Material (Noncombustible)
• Level
• Fireplace Surround Material (Noncombustible)
• Measuring Tape
• Piping Complying with Local Codes
• Electric Drill and Bits
• Tee Joint
• Pliers
• Pipe Sealant Approved for use with Propane/LPG
• Square
(Resistant to Sulfur Compounds)
• Pipe
Wrench
Model Number
BLDV400
BLDV500
Gas
Type
Natural Propane Natural Propane
Max. Btu/hr Input
26,000
26,000
28,000
27,000
Min. Btu/hr Input
19,000
21,000
20,000
22,000
Orifi ce size
2.50 mm
1
/
16
in. #38
1.60
mm