WDV Wideview
Direct Vent Gas Fireplace
Model: WDV500
Installation and Operating
Instructions
WARNINGS
Iftheinformationintheseinstructions are not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
–Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
–WHAT TO DO IF YOU SMELL GAS
•Do not try to light any appliance.
•Do not touch any electrical switch; do not use any phone in your building.
•Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
•If you cannot reach your gas supplier, call the fire department.
–Installation and service must be performed by a qualified installer, service agency or the gas supplier.
WARNING: Improper installation, adjustment, alteration, services or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency or the gas supplier.
This appliance may be installed in an aftermarket*, permanently located, manufactured home (USA only) or mobile home, where not prohibited by local codes.
This appliance is only for use with the type(s) of gas indicated on the rating plate unless a certified kit is used.
*Aftermarket: Completion of sale, not for purpose of resale, form the manufacturer.
WARNING
DUETOHIGHTEMPERATURES,THEAPPLIANCE SHOULD BE LOCATED OUT OF TRAFFIC AND AWAY FROM FURNITURE AND DRAPERIES.
CHILDRENANDADULTS SHOULD BEALERTED TO THE HAZARDS OF HIGH SURFACE TEMPERATURE AND SHOULD STAY AWAY TO AVOID BURNS OR CLOTHING IGNITION.
YOUNG CHILDREN SHOULD BE SUPERVISED WHEN THEY ARE IN THE SAME ROOM AS THE APPLIANCE.
CLOTHING OR OTHER FLAMMABLE MATERIAL SHOULD NOT BE PLACED ON OR NEAR THE APPLIANCE.
Keep the room area clear and free from combustible materials, gasoline, and other flammable vapors and liquids.
INSTALLER: Leave this manual with the appliance. CONSUMER: Retain this manual for future reference.
78D0011 7/09 Rev. 2
WDV Series Gas Fireplace |
CONTENTS |
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Thank you and congratulations on your purchase of a Monessen Fireplace.
PLEASE READ THE INSTALLATION AND OPERATION INSTRUCTIONS BEFORE USING THE APPLIANCE!
IMPORTANT: Read all instructions and warnings carefully before starting installation. Failure to follow these instructions may result in a possible fire hazard and will void the warranty.
Important Safety Information...................................... |
3 |
Code Approval.............................................................. |
4 |
Product Features.......................................................... |
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High Elevations........................................................ |
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Gas Pressures......................................................... |
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Gas Specifications & Orifice Size............................ |
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Before You Start...................................................... |
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Fireplace & Framing Dimensions................................... |
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Fireplace Location.......................................................... |
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Clearances.................................................................... |
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Secure Fireplace to Floor or Framing........................ |
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Finishing Material......................................................... |
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Vent Installation.......................................................... |
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Installation Precautions......................................... |
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Installation Planning.............................................. |
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Horizontal Termination........................................... |
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Vent Graph............................................................ |
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Vertical/Horizontal Termination Configurations...... |
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Below Grade Installation........................................ |
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Vertical Through-the-Roof |
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Applications & Installation.................................... |
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Installation for Vertical Termination........................ |
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Flex Vent Installation............................................. |
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Fireplace Installation................................................. |
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Check Gas Type.................................................... |
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Installing Gas Piping to Fireplace/Burner System |
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Location............................................................... |
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Check Gas Pressure - Signature Command............ |
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Electrical Installation - Signature Command........... |
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Electrical Wiring..................................................... |
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Optional Wall Command Center............................... |
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Optional Fan/Blower Systems ................................. |
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Glass Frame Removal................................................ |
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Light Installation........................................................ |
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Stone & Glass Placement.......................................... |
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Glass Only Placement........................................... |
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Operating Instructions |
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Operating Instructions........................................... |
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To Turn Off Gas..................................................... |
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Signature Command System |
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Operation Instructions........................................... |
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Remote Control Operation..................................... |
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Cleaning and Maintenance........................................ |
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Burner, Pilot and Control Compartment................. |
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Pilot Flame............................................................. |
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Burner Flame......................................................... |
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Vent System.......................................................... |
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Glass Door............................................................. |
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Stones................................................................... |
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Troubleshooting......................................................... |
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Replacement Parts..................................................... |
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Firebox Components............................................. |
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Signature Command System................................. |
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Venting Components............................................. |
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Stones................................................................... |
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Mass Residents Only................................................. |
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Warranty...................................................................... |
47 |
Energuide Efficiency.................................................. |
48 |
78D0011
IMPORTANT SAFETY INFORMATION |
WDV Series Gas Fireplace |
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INSTALLER
Please leave these instructions with the appliance.
OWNER
Please retain these instructions for future reference.
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WARNING |
• Read this owner’s manual carefully and completely before trying to assemble, operate, |
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or service this fireplace. |
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• Any change to this fireplace or its controls can be dangerous. |
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• Improper installation or use of this fireplace can cause serious injury or death from |
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fire, burns, explosions, electrical shock and carbon monoxide poisoning. |
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This fireplace is a vented product. This fireplace must be properly installed by a qualified service person. The glass door must be properly seated and sealed. If this unit is not properly installed by a qualified service person with glass door properly seated and sealed, combustion leakage can occur.
CARBON MONOXIDE POISONING: Early signs of carbon monoxide poisoning are similar to the flu with headaches, dizziness and/or nausea. If you have these signs, the fireplace may not have been installed properly. Get fresh air at once! Have the fireplace inspected and serviced by a qualified service person. Some people are more affected by carbon monoxide than others. These include pregnant women, people with heart or lung disease or anemia, those under the influence of alcohol, and those at high altitudes.
Propane/LP gas and natural gas are both odorless. An odor-making agent is added to each of these gases. The odor helps you detect a gas leak. However, the odor added to these gases can fade. Gas may be present even though no odor exists.
Make certain you read and understand all warnings. Keep this manual for reference. It is your guide to safe and proper operation of this fireplace.
1.This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases unless a certified kit is used.
2.For propane/LP fireplace, do not place propane/LP supply tank(s) inside any structure. Locate propane/ LP supply tank(s) outdoors. To prevent performance problems, do not use propane/LP fuel tank of less than 100 lbs. capacity.
3.If you smell gas
•shut off gas supply.
•do not try to light any appliance.
•do not touch any electrical switch; do not use any phone in your building .
•immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
4.Never install the fireplace
•in a recreational vehicle
•where curtains, furniture, clothing, or other flammable objects are less than 42" from the front, top, or sides of the fireplace
•in high traffic areas
•in windy or drafty areas
5.This fireplace reaches high temperatures. Keep children and adults away from hot surfaces to avoid burns or clothing ignition. Fireplace will remain hot for a time after shutdown. Allow surfaces to cool before touching.
6.Carefully supervise young children when they are in the room with fireplace.
7.Do not modify fireplace under any circumstances.Any parts removed for servicing must be replaced prior to operating fireplace.
8.Turn fireplace off and let cool before servicing, installing, or repairing. Only a qualified service person should install, service, or repair the fireplace. Have burner system inspected annually by a qualified service person.
9.You must keep control compartments, burners, and circulating air passages clean. More frequent cleaning may be needed due to excessive lint and dust. Turn off the gas valve and pilot light before cleaning fireplace.
10.Have venting system inspected annually by a qualified service person. If needed, have venting system cleaned or repaired. Refer to Cleaning and Maintenance, Page 36.
11.Keep the area around your fireplace clear of combustible materials, gasoline, and other flammable vapor and liquids. Do not run fireplace where these are used or stored. Do not place items such as clothing or decorations on or around fireplace.
12.Do not use this fireplace to cook food or burn paper or other objects.
13.Never place anything on top of fireplace.
78D0011
WDV Series Gas Fireplace |
IMPORTANT SAFETY INFORMATION |
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14.Do not use any solid fuels (wood, coal, paper, cardboard, etc.) in this fireplace. Use only the gas type indicated on rating plate.
15.This appliance, when installed, must be electrically grounded in accordance with local codes or in the absence of local codes, with the National Electrical Code,ANSI/NFPA70, or the Canadian Electrical Code, CSA C22.1.
16.Do not obstruct the flow of combustion and ventilation air in any way. Provide adequate clearances around air openings into the combustion chamber along with adequate accessibility clearance for servicing and proper operation.
17.When the appliance is installed directly on carpeting, tile or other combustible material other than wood flooring, you must set appliance on a metal or wood panel or hearth pad extending the full width and depth of the appliance.
18.Do not use fireplace if any part has been exposed to or has been under water. Immediately call a qualified service technician to inspect the appliance and replace any part of the control system and any gas control which as been submerged in water.
19.Do not operate fireplace if any log is broken.
20.Do not use a blower insert, heat exchanger insert, or any other accessory not approved for use with this fireplace.
21.Do not operate the fireplace with glass door removed, cracked, or broken.
!WARNING
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
Code Approval
IMPORTANT:
PLEASE READ THE FOLLOWING
CAREFULLY
It is normal for fireplaces fabricated of steel to give off some expansion and/or contraction noises during the start up or cool down cycle.
Similar noises are found with your furnace heat exchanger or car engine.
IMPORTANT:
PLEASE READ THE FOLLOWING
CAREFULLY
It is not unusual for gas fireplace to give off some odor the first time it is burned. This is due to the manufacturing process.
Please ensure that your room is well ventilated during burn off — open all windows.
It is recommended that you burn your fireplace for at least ten (10) hours the first time you use it. Place the fan switch in the “OFF” position during this time.
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WARNING |
Never connect unit to private (non-utility) |
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gas wells. This gas is commonly known |
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as wellhead gas. |
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Direct Vent type appliances draw all combustion air from outside of the dwelling through the vent pipe.
These appliances have been tested by CSA and found to comply with the established standards for DIRECT VENT GAS FIREPLACE HEATERS in the USA and Canada as follows:
LISTED VENTED GAS FIREPLACE HEATER
TESTED TO: ANSI Z21.88b-2008/CSA 2.33b-2008 STANDARDS
Amanufactured home (USAonly) or mobile home OEM installation must conform with the Manufactured Home Construction and Safety Standard, Title 24 CFR, Part 3280, or when such a standard is not applicable, the Standard for Manufactured Home Installations, ANSI/NCSBCS A225.1, or
Standard for Gas Equipped Recreational Vehicles and Mobile Housing, CSA Z240.4.
78D0011
product features and code approval |
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WDV Series Gas Fireplace |
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product SPECIFICATIONS |
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Gas Specifications & ORIFICE SIZE |
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• This appliance has been certified for use with either |
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Max.Input |
Min. Input |
Orifice |
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natural or propane gas. See appropriate data plates. |
Model |
Fuel |
BTU/h |
BTU/h |
Size (2) |
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WDV500NTSC |
Nat. |
34,000 |
23,000 |
#43 |
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• This appliance is not for use with solid fuels. |
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WDV500PTSC |
LP |
33,000 |
25,500 |
1.28 mm |
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• The appliance is approved for bedroom or bedsitting |
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room installations. |
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Before You Start |
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• The appliance must be installed in accordance with local |
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codes if any. If none exist use the current installation |
Read this homeowner manual thoroughly and follow all |
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code. ANSI Z223.1/NFPA 54 in the USA, CSA B149 in |
instructions carefully. Inspect all contents for shipping |
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Canada. |
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damage and immediately inform your dealer if any damage |
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is found. Do not install any unit with damaged, incomplete, |
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• This appliance is mobile home approved. |
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or substitute parts. Check your packing list to verify that |
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• The appliance must be properly connected to a |
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all listed parts have been received. You should have the |
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venting system. |
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following: |
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• The appliance is not approved for closet or recessed |
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Fireplace (Firebox and Burner System) |
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installations. |
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Reflective Glass |
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Stone Set |
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ITEMS REQUIRED FOR INSTALLATION |
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Phillips Screwdriver |
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Framing Materials |
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Hammer |
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Wall Finishing Materials |
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Saw and/or saber saw • |
Level |
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Measuring Tape |
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Pliers |
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Electric Drill and Bits |
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Square |
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Pipe Wrench |
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Tee Joint |
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Gas Valve |
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Caulking Material (noncombustible) |
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Command |
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FP2429 |
• Fireplace Surround Material (noncombustible) |
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Center |
Control Box & |
Piping Complying with Local Codes |
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A/C Module |
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• Pipe Sealant Approved for use with Propane/LPG |
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Figure 1 - |
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(Resistant to sulfur compounds) |
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WDV Fireplace Features |
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Noncombustible finishing material or dura-rock* |
HIGH ELEVATIONS
Input ratings are shown in BTU per hour and are certified without deration for elevations up to 4,500 feet (1,370 m) above sea level.
For elevations above 4,500 feet (1,370 m) in USA, installation must be in accordance with the current ANSI Z223.1/NFPA 54 and/or local codes having jurisdiction.
In Canada, please consult provincial and/or local authorities having jurisdiction for installation at elevations above 4,500 feet (1,370 m).
GAS pressures
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Natural |
Propane (LP) |
Inlet Minimum |
4.5” w.c. |
11.0” w.c. |
Inlet Maximum |
10.5” w.c. |
13.0” w.c. |
Manifold Pressure |
3.5” w.c. |
10.0” w.c. |
* Only used if desired to cover painted face other than using tiles or marble. If tiles or marble are used around the face, the noncombustible material is not needed.
firebox framing
Firebox framing can be built before or after the appliance is set in place. Refer to Figure 2 for fireplace and framing dimensions. The framing headers may rest on the top of the firebox standoffs. Do not bring headers below top of standoffs. NOTE: When planning your framing and installation, keep in mind that your gas line can come in on the right or left side of the firebox (as you are facing it) and your electricity will come in on the right side.
The firebox may be installed directly on a combustible floor or raised on a platform of an appropriate height. When the firebox is installed directly on carpeting, tile, or other combustible material, other than wood flooring, the firebox shall be installed on a metal or wood panel extending the full width and depth of the enclosure.
78D0011
WDV Series Gas Fireplace |
FIREPLACE & FRAMING DIMENSIONS |
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57(6 ” (1470 mm)
57(6 ” (1470 mm)
41” |
mm) |
(1041 |
”(2080 |
mm) |
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(6 |
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81 |
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2356M” (591 mm) |
Minimum Rough |
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Opening |
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Depth |
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8 6QE” |
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17(6 |
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(211 mm) |
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18 6QE” (454 mm) |
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(462 mm) |
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1/2” or |
Min. Rough Opening Width |
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5/8” |
(46 6 ” (1184 mm) |
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Min. Rough |
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Required Noncombustible |
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Material Area |
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Opening |
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Height |
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Figure 2 -
Fireplace and Framing Dimensions
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6” |
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35 6 |
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(152 mm) |
35(6QE” |
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(905 mm) |
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17(6 |
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(900 mm) |
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3656 |
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(454 mm) |
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(918 mm) |
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29 6QE” |
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(751 mm) |
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13 6M” (349 mm) |
56M” |
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(146 mm) |
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40” (1016 mm) |
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156O” |
356O” |
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4656 ” (1172 mm) |
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(89 mm) |
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(38 mm) |
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WARNING
Do not fill spaces around firebox with insulation or other materials. This could cause a fire.
WARNING
Unit framing is to be rectangular front to back. Failure to do so will cause fire and damage to property.
78D0011
PRE-INSTALLATION INFORMATION |
WDV Series Gas Fireplace |
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Fireplace Location
Plan for the installation of your appliance. This includes determining where the unit is to be installed, the vent configuration to be used, framing and finishing details, and whether any optional accessories (i.e. blower, wall switch, or remote control) are desired. Consult your local building code agency to ensure compliance with local codes, including permits and inspections.
The following factors should be taken into consideration:
•Clearance to side-wall, ceiling, woodwork, and windows. Minimum clearances to combustibles must be maintained.
•This fireplace may be installed along a wall, across a corner, or use an exterior chase. See Figure 3 for suggested locations.
•Location should be out of high traffic areas and away from furniture and draperies due to heat from appliance.
•Never obstruct the front opening of the fireplace.
•Do not install in the vicinity where gasoline or other flammable liquids may be stored.
•Vent pipe routing. See Venting section found in this manual for allowable venting configurations.
•These units can be installed in a bedroom. Refer to the National Fuel Gas CodeANSI Z233.1/ NFPA 54 — (current edition), the Uniform Mechanical Code — (current edition), and Local Building Codes for specific installation requirements.
•These units can be installed in a bathroom.
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A |
Flat on Wall |
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B |
Cross Corner |
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E |
A |
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C |
Island** |
Y |
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D |
Room Divider* |
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E |
Flat on Wall Corner* |
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C |
X |
F |
Chase Installation |
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Y |
4" Minimum |
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D |
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** Island (C) and room divider (D) installation is possible as long |
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Y |
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as the horizontal portion of vent system (X) does not exceed |
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20'. Refer to Installing Horizontal Termination Configuration on |
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F |
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Page 12. |
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* When you install your fireplace in (D) room divider or (E) flat |
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on wall corner positions (Y), a minimum of 6" clearance must |
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be maintained from perpendicular wall and front of fireplace. |
Figure 3 - |
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Possible Fireplace Locations |
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NOTE
COLD CLIMATE INSULATION
If you live in a cold climate, seal all cracks around your appliance, and wherever cold air could enter the room, with noncombustible material. It is especially important to insulate the outside chase cavity between the studs and under the floor on which the appliance rests, if the floor is above ground level.
78D0011
WDV Series Gas Fireplace |
clearances |
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Clearances to combustibles
WARNING
Follow these instructions carefully to ensure safe installation. Failure to follow instructions exactly can create a fire hazard.
The appliance cannot be installed on a carpet, tile or other combustible material other than wood flooring. If installed on carpet or vinyl flooring, the appliance shall be installed on a metal, wood or noncombustible material panel extending full width and depth of the appliance.
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Wall |
Stud |
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72” Minimum |
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Insulation |
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12" |
Board |
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Ceiling |
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12” Max. |
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Standoff |
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6" |
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Depth |
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12" |
21/2" |
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9" |
6" |
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21/2” Max Depth |
Top of Fireplace |
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Opening |
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FP2422
Side View
12” Min.
From Opening
6” Min.
6” Min.
From Opening
Figure 4 - |
FP2421 |
FP2423 |
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Ceiling and Sidewall Clearances |
1” |
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156O” |
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Side of Fire- |
256O” |
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place Opening |
3” |
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5” |
Top View 6”
356O”
456O” 45°
Figure 5 -
Mantel clearances
mantel clearances
NOTE: The combustible area above the facing must not protrude more than 3/4" from the facing. If it does, it is considered a mantel and must meet the mantel requirements listed in this manual.
78D0011
SECURE FIREPLACE to floor or framing |
WDV Series Gas Fireplace |
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The fireplace must be secured to the floor and/or to framing studs as shown in Figure 6. Use two (2) wood screws or masonry/ concrete screws to secure fireplace to the floor. Use four (4) screws to attach fireplace to framing. The side nailing flanges are 1/2" or 5/8" to accommodate different wall thickness.
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note |
Never install combustible materials over |
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front face of fireplace. |
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Framing Members |
Noncombustible Material |
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6”
Nailing Flange
Screws
Nailing Flange
Screws
Nailing Flange
Figure 6 -
Secure Fireplace to Framing Studs
FP2430
NOTE: Fireplace may be installed on top of framing or platform constructed of combustible materials which do not protrude beyond the face.
Finishing Material
NOTE: Any remote wiring (i.e. remote control, wall switch, and optional fan) must be done prior to final finishing to avoid costly reconstruction.
Only noncombustible materials (i.e. brick, tile, slate, steel, or other materials with a UL fire rating of Zero) may be used to cover the black painted face of the appliance. It is permissible to bring combustible wall board to the top of the standoffs on the top and the sides of the unit. A 300°F minimum adhesive may be used to attach facing materials to the black surface. If joints between the finished wall and the fireplace surround are sealed, a 300°F minimum sealant material (General Electric RTV103 or equivalent) must be used.
78D0011
WDV Series Gas Fireplace |
Venting INSTALLATION INFORMATION |
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WARNING
Read all instructions completely and thoroughly before attempting installation. Failure to do so could result in serious injury, property damage or loss of life. Operation of improperly installed and maintained venting system could result in serious injury, property damage or loss of life.
installation precautions
Consult local building codes before beginning the installation. The installer must make sure to select the proper vent system for installation. The approved 5 x 8 venting components are Simpson Duravent and Selkirk products listed on Page 41. UL1777 flexible venting is also approved for use on these models. Before installing vent kit, the installer must read this fireplace manual and vent kit instructions.
Only a qualified installer/service person should install venting system. The installer must follow these safety rules:
• Wear gloves and safety glasses for protection.
• Use extreme caution when using ladders or when on rooftops.
• Be aware of electrical wiring locations in walls and ceilings.
The following actions will void the warranty on your venting system:
• Installation of any damaged venting component.
•Unauthorized modification of the venting system.
•Installation of any component part not manufactured or approved by MHSC.
•Installation other than permitted by these instructions.
NOTICE |
Failure to follow these instructions will |
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void the warranty. |
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A minimum of 1" clearance to all sides is required along horizontal and vertical length
12" Vertical Rise
Required Before
Horizontal Run
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A minimum 1" |
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clearance to |
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1” |
combustibles |
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permitted all |
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around flue at |
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outside wall |
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50” Min. Floor to Center of Vent Pipe
FP2424
Figure 7 -
Combustible Clearances for Vent Pipe
WARNING
This fireplace must be vented to the outside. The venting system must NEVER be attached to a chimney serving a separate solid fuel burning appliance. Each gas appliance must use a separate vent system. Do not use common vent systems.
WARNING
Horizontal and vertical sections of this vent system require a minimum of 1" clearance to combustibles on all sides, top and bottom.
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78D0011 |
Vent installation |
WDV Series Gas Fireplace |
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installation planning
There are two basic types of direct-vent installation:
•Horizontal Termination
•Vertical Termination
WARNING
Never run the vent pipe level or downward. This may cause excessive temperatures which could cause a fire.
It is important to select the proper length of vent pipe for
the type of termination you choose. It is also important to note the wall thickness. for horizontal termination
Select the amount of vertical rise desired.All horizontal run of venting must have 1/4" rise for every 12" of run towards the termination below 7Z\x feet of vertical rise. With 7Z\x feet or more vertical rise off top of fireplace, the horizontal run may run level. NEVER run vent piping down.
You may use up to three 90° elbows in this vent configuration. Refer to Vertical/Horizontal Termination Configurations on Page 14.
For vertical termination
Measure the distance from the fireplace floor to the ceiling.Add the ceiling thickness, the vertical rise in an attic or second story, and allow for sufficient vent height above the roof line.
NOTE: You may use two 45° elbows in place of a 90° elbow. You must follow rise to run ratios when using 45° elbows. The appliance is approved for use with three 90° elbows maximum or a combination of 90° and 45° elbows up to a maximum of 270°.
For two-story applications, firestops are required at each floor level. If an offset is needed in the attic, additional pipe and elbows will be required.
You may use a chase with a vent termination with exposed pipe on the exterior of the house.
Refer to Installing A Vent System in an Outside Chase below. If pipe is enclosed in chase, it is not exposed.
It is very important that the venting system maintain its balance between the combustion air intake and the flue gas exhaust. Certain limitations apply to vent configurations and must be strictly followed.
Installing a vent system in an outside chase
A chase is a vertical boxlike structure built to enclose venting that runs along the outside of a building. A chase is required for such venting.
NOTICE
When installing in a chase, you should insulate the chase as you would the outside walls of your home. This is especially important in cold climates. Insulation should be considered a combustible material. Maintain proper clearances to all combustible materials.
NOTICE
Treatment of firestops and construction of the chase may vary from building type to building type. These instructions are not substitutes for the requirements of local building codes. You must follow all local building codes.
78D0011 |
11 |
WDV Series Gas Fireplace |
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venting installation |
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For horizontal termination |
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Inside Corner Detail |
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Fixed |
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Closed |
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Operable |
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V B |
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V A |
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Figure 8 - |
Vent Terminal |
Air Supply Inlet |
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Area Where Terminals Not Permitted |
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Horizontal Vent Termination Location
minimum distances
A = Clearance above the grade, a veranda, porch, deck, or balcony [*12" (305 mm) minimum]. B = Clearance to window or door that may be opened [*12" (305 mm) minimum].
C = Clearance to permanently closed window [*minimum 12" (305 mm) recommended to prevent condensation on window]
D = Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of two (2) feet (610 mm) from the centerline of the terminal [18" (457 mm) minimum].
E = Clearance to unventilated soffits [12" (305 mm) minimum]. Clearance to vinyl soffit [30" (762 mm)]. F = Clearance to an outside corner. Figure 9
G = Clearance to an inside corner. Figure 9
H = *Not to be installed above a gas meter/regulator assembly within three (3) feet (914 mm) horizontally from the centerline of the regulator.
I = Clearance to service regulator vent outlet [*3' (914 mm) minimum].
J = Clearance to non-mechanical air supply inlet to building or the combustion air inlet to any other appliance [*12" (305 mm) minimum].
K = Clearance to a mechanical air supply inlet [*6' (1829 mm) minimum].
L= Clearance above a paved sidewalk or paved driveway located on public property [**7' (2133 mm) minimum].
M = Clearance under veranda, porch, deck, or balcony [For Canada 12" (305 mm) minimum***] Figure 9
*As specified in CSA B149 Installation Codes. Note: Local codes or regulations may require different clearances.
**A vent must not terminate directly above a sidewalk or paved driveway, which is located between two singlefamily dwellings and serves both dwellings.
***Only permitted if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
WARNING
Always maintain minimum clearances around vent systems. The minimum clearances to combustibles for horizontal and vertical vent pipe are 1" at the top, sides and bottom of the vent system. Do not pack the open air spaces with insulation or other materials. This could cause high temperatures and may present a fire hazard.
12 |
78D0011 |
venting installation |
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WDV Series Gas Fireplace |
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termination clearances for buildings with combustible |
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and noncombustible exteriors |
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D |
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C |
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G |
G=6" (152mm) |
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F=6" (152mm) |
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Combustible – 6" (152 mm) |
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Noncombustible – 2" (51 mm) |
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Inside Corner |
Outside Corner |
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C = Maximum depth of 48" (1219mm) |
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for alcove location |
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D = Minimum width for back wall of |
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alcove location |
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Combustible - 38" (965mm) |
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Noncombustible - 24" (610mm) |
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Combustible & |
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E = Clearance from corner in alcove |
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location |
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Noncombustible |
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G = Combustible 24"(610mm) |
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Combustible - 6" (152mm) |
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H = 24" (610mm) |
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Noncombustible 18"(457mm) |
J = 20" (508mm) |
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Noncombustible - 2" (51mm) |
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Balcony with No Side Wall |
Balcony with Perpendicular |
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Alcove Location |
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Figure 9 - |
Side Wall |
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Allowable Venting Chart |
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Feet |
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UnitofFloortheFromDimensionVertical PipeVentHorizontaltheofCenter |
How To Use The Vent Graph |
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The Vent Graph should be read in conjunction with the |
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Dimensions |
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following vent installation instructions to determine the |
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relationship between the vertical and horizontal dimensions |
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of the vent system. |
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1. Determine the height of the center of the horizontal vent |
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pipe exiting through the outer wall. Using this dimen- |
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sion on the Sidewall Vent Graph below, locate the point |
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intersecting with the slanted graph line. |
From50" |
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eg: A |
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From the point of this intersection, draw a vertical line |
Floor to |
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to the bottom of the graph. |
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Center |
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3. |
Select the indicated dimension, and position the fire- |
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place in accordance with same. |
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Example: If the vertical dimension from the floor of the |
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the |
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fireplace is 11' (3.4 m) the horizontal run to the face of |
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the outer wall must not exceed 16' (4.9 m). |
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Sidewall Vent Graph showing the relationship between |
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vertical and horizontal dimensions for a Direct Vent flue |
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8 10 1214 16 1820 |
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system. |
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Horizontal dimension from the finished outside |
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Figure 10 - |
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wall to the center of the pipe on the fireplace |
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Rear Wall Venting Graph |
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78D0011 |
13 |
WDV Series Gas Fireplace |
venting installation |
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VERTICAL/Horizontal termination configurations
Since it is very important that the venting system maintain its balance between the combustion air intake and the flue gas exhaust, certain limitations as to vent configurations apply and must be strictly adhered to.
The Vent Graph, showing the relationship between vertical and horizontal side wall venting, will help to determine the various dimensions allowable. Figure 10
NOTE: Horizontal and vertical sections of this vent system require a minimum of 1" clearance to combustibles at the top, sides and bottom.
When vent exits through foundations less than 20" below outcrop, the termination must be flush up with outcropped wall above.
It is best to locate the fireplace in such a way that minimizes the number of offsets and horizontal vent length.
The horizontal vent run refers to the total length of vent pipe from the flue collar of the fireplace (or the top of the Transition Elbow) to the face of the finished outside wall.
•The maximum number of 90° elbows per side wall installation is three (3). Figure 11
•Aminimum of 12" is required before a 90° elbow. If a 90° elbow is fitted directly after 12" vertical section mounted to the top of the fireplace, the maximum horizontal vent run before the termination or a vertical rise is 36” (914 mm). Figure 12
3 x 90° |
Elbows |
12" Min. |
FP1176 |
Figure 11 -
Maximum Three (3) 90° Elbows Per Installation
•If a 90° elbow is used in the horizontal vent run (level height maintained) the horizontal vent length is reduced by 36". Refer to Page 17, Figures 11 and 12. This does not apply if the 90° elbows are used to increase or redirect a vertical rise. Figure 14
Example:According to the vent graph (Page 13) the maximum horizontal vent length in a system with a 10' vertical rise is 17Z\x’ (5.3 m) and if a 90° elbow is required in the horizontal vent it must be reduced to 14Z\x' (4.4 m).
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36" |
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36" |
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12” |
(914 mm) |
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(914 mm) |
Max. |
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Max. |
(610 mm)
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FP1177 |
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Figure 12 - |
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Maximum Horizontal Run with No Rise |
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In Figures 13 and 14 dimension A plus B must not be greater than 17' (5.2 m).
•The maximum number of 45° elbows permitted per side wall installation is two (2). These elbows can be installed in either the vertical or horizontal run.
•For each 45° elbow installed in the horizontal run, the length of the horizontal run MUST be reduced by 18" (45 cm). This does not apply if the 45° elbows are installed on the vertical part of the vent system.
•The maximum number of elbow degrees in a system is 270°. Figure 15
90°
A B
10’
FP2427
Figure 13 -
Horizontal Run Reduction
14 |
78D0011 |
venting installation |
WDV Series Gas Fireplace |
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B 7’
A 10’
90° Elbow = 3'
10’ |
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A + B = 17' Maximum |
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FP2426
Figure 14 -
Maximum Vent Run with Elbows
Example: |
Elbow 1 |
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90° |
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Elbow 2 |
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45° |
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Elbow 3 |
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45° |
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Elbow 4 |
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90° |
Total Angular Variation |
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270° |
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12" |
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Minimum |
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Figure 15 - |
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FP1180 |
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Maximum Elbow Usage |
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Below Grade Installations
When it is not possible to meet the required vent terminal clearances of 12" above grade level, a snorkel kit is recommended. It allows installation depth down to 7" (178 mm) below grade level. The 7" (178 mm) is measured from the center of the horizontal vent pipe as it penetrates through the wall.
Ensure that sidewall venting clearances are observed. If venting system is installed below ground, we recommendawindowwellwithadequateandproperdrainage to be installed around the termination area.
If installing a snorkel, a minimum 12" vertical rise is necessary. The maximum horizontal run with the 12” vertical pipe is 36". This measurement is taken from the collar of the fireplace (or transition elbow) to the face of the exterior wall. See the Sidewall Venting Graph for extended horizontal run if the vertical exceeds 12".
1.Establish vent hole through the wall.
2.Remove soil to a depth of approximately 16" below base of snorkel. Install drain pipe. Install window well (not supplied). Refill hole with 12" of coarse gravel leaving a clearance of approximately 4" below snorkel. Figure 16
3.Install vent system.
4.Ensure a watertight seal is made around the vent pipe coming through the wall.
5.Apply high temperature sealant caulking (supplied) around the 5" and 8" snorkel collars.
6.Slide the snorkel into the vent pipes and secure to the wall.
7.Level the soil so as to maintain a 4" clearance below snorkel. Figure 16
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Screws |
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Firestop |
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Minimum |
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4" Clearance |
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Ground |
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12" |
Window |
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Well |
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Minimum |
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Gravel |
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Drain |
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Foundation Wall |
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Figure 16 - |
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FP2134 |
Below Grade Installation |
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If the foundation is recessed, use recess brackets (not supplied) for securing lower portion of the snorkel. Fasten brackets to wall first, then secure to snorkel with self drilling #8 x 1/2" sheet metal screws. It will be necessary to extend vent pipes out as far as the protruding wall face.
Figure 17
78D0011 |
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