Quadra-Fire MTVERNON-AE-CSB Installation Manual

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Quadra-Fire MTVERNON-AE-CSB Installation Manual Manual pdf 11 page image

May 5, 2015 7034-277E 11MT. VERNON AEC. Negative PressureNegative pressure results from the imbalance of air avail-able for the appliance to operate properly. It can be strongestin lower levels of the house.Causes include:• Exhaust fans (kitchen, bath, etc.)• Range hoods• Combustion air requirements for furnaces, water heatersand other combustion appliances• Clothes dryers• Location of return-air vents to furnace or air conditioning• Imbalances of the HVAC air handling system• Upper level air leaks such as:- Recessed lighting- Attic hatch- Duct leaksTo minimize the effects of negative air pressure:• Install the outside air kit with the intake facing prevailingwinds during the heating season• Ensure adequate outdoor air for all combustion appliancesand exhaust equipment• Ensure furnace and air conditioning return vents are notlocated in the immediate vicinity of the appliance• Avoid installing the appliance near doors, walkways orsmall isolated spaces• Recessed lighting should be a “sealed can” design• Attic hatches weather stripped or sealed• Attic mounted duct work and air handler joints and seamstaped or sealedD. DraftDraft is the pressure difference needed to vent an appli-ance successfully. When an appliance is drafting suc-cessfully, all combustion byproducts are exiting the homethrough the chimney.Install through the warm airspace enclosed by the build-ing envelope. This helps to produce more draft, especiallyduring lighting and die-down of the fire.Considerations for successful draft include:• Preventing negative pressure• Location of appliance and chimneyNOTICEHEARTH & Home Technologies assumes no responsibilityfor the improper performance of the chimney system causedby:• Inadequate draft due to environmental conditions• Downdrafts• Tight sealing construction of the structure• Mechanical exhausting devicesWARNINGRisk of Asphyxiation!Negative pressure can cause spillage of combustion fumesand soot.1. Chimney & Connector: Use 3 or 4 inch (76-102mm)diameter type “L” or “PL” venting system. It can be ventedvertically or horizontally.2. Mobile Home: Approved for all Listed pellet vent. If usingthe 3 inch (76mm) vertical Top Vent Adapter Kit or the 3to 6 inch (76-152mm) Top Vent Offset Adapter, use Listeddouble wall flue connector. A Quadra-Fire Outside Air Kitmust be used with manufactured home installations.3. Residential: The 3 inch (76mm) vertical Top Vent AdapterKit and the 3 to 6 inch (76-152mm) Top Vent Offset Adapterare tested to use 24 gauge single wall flue connector orListed double wall flue connector to Class A Listed metalchimneys, or masonry chimneys meeting InternationalResidential Code standards for solid fuel appliances.4. INSTALL VENT AT CLEARANCES SPECIFIED BY THEVENT MANUFACTURER.5. Secure exhaust venting system to the appliance with atleast 3 screws. Also secure all connector pipe joints withat least 3 screws through each joint.6. DO NOT INSTALL A FLUE DAMPER IN THE EXHAUSTVENTING SYSTEM OF THIS UNIT.7. DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUESERVING ANOTHER APPLIANCE.NOTE: All pipe must be welded seam pipe whenever pos-sible. Seal pipe joints with high temperature silicone (500°F[260°C] minimum rated only).NOTE: If burning shelled field corn, you must use approvedventing specifically designed for corn. Follow the instructionsfrom the venting manufacturer.NOTE: The appliance exhaust outlet is designed to ac-commodate 3 inch venting. Use of 4 inch venting requiresthe use of a 3-to-4 inch exhaust vent increaser in additionto any other venting components needed, sold separately.E. Chimney and Exhaust Connection