Monessen Hearth Direct Vent Gas Fireplace CDVR36 - Manual (Page 6)

6 69D0023
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.
• 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 • Volcanic Rock
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
CDVR36 CDVT36 CDVR33 CDVT33
Natural Propane Natural Propane Natural Propane Natural Propane
Max. Btu/hr Input 20,000 20,000 20,000 20,000 18,000 18,000 18,000 18,000
Min. Btu/hr Input 15,000 15,000 15,000 15,000 10,000–13,000 10,000–13,000 10,000–13,000 10,000–13,000
Orifi ce size
(as shipped)
#44 1.35mm #44 1.35mm #45 1.28mm #45 1.28mm
The classification “noncombustible material” includes, but is not limited to stone, brick and mortar. Noncombustibles are
safe to overlay the black-painted metal face (including radiant plates) and do not pose a fire hazard. Do not allow any non-
combustible finish material to extend past or interfere with fireplace opening.
The classification “combustible material” includes, but is not limited to plywood, drywall and particle board. Combustible
materials may contact the sides, bottom or back of firebox. Do not overlay the black painted face with combustible materi-
als.