W415-0702 / B / 04.04.12234.6 INSERT VENTING INSTALLATION EXAMPLES4.6.1 TYPICAL EXISTING MASONRY INSTALLATION! WARNINGPrior to installation:When installing the insert into a masonry fireplace, do notremove any bricks or masonry. Do not weaken the structure,or reduce the protection for combustible materials to less thenthat required by the National Building Code. Bolted or screwedtogether pieces (smoke shelf / deflectors) may be removed,but must be able to be re-installed if the appliance is removed.External trim pieces, which do not affect the operation of thefireplace, may be removed provided they are available to be re-installed in event the appliance is removed.A warning label must be attached to the back wall of the fireplacestating that “This fireplace has been altered to accommodate afireplace insert and must be re-inspected by a qualified personprior to re-use as a fireplace”.Non-combustible floor protection must cover the flooringunderneath, as well as extend a minimum of six inches in frontand to both sides of the appliance.Clean all ashes out of the inside of the fireplace. Make surethat the chimney and fireplace are free of cracks, loose mortar,creosote deposits, blockage or other signs of deterioration.If necessary, have any repair work done by a qualifiedprofessional before installing the appliance.A. Remove the fireplace damper or fasten it permanently open.B. Measure the throat of the fireplace and mark this shape on a piece of 24 gauge sheet metal (fluecover). Cut a hole sized for the pellet liner to lie directly below the fireplace flue opening. Allow twoinches of material for a flange on all sides and cut to these measurements. Bend down the flanges. Ifyou have never done this before, it might be a good idea to make a cardboard pattern and test it first.Fasten this flue cover in position as high as possible with two masonry screws per side through theflanges into the fireplace.C. If you plan on connecting outside air it is recommended to do so at this time.D. Install floor protection if necessary.E. Connect the pellet vent with a clean out tee to the back of the insert. Refer to manufacturer’sinstallation instructions to see “REAR TO TOP VENT CONVERSION INSTRUCTIONS” section and the“GENERAL VENTING” section.F. Run a liner down the chimney and connect to tee.G. Position the insert in it’s final location.H. Pull the excess length of liner out through the top of the chimney. Trim the excess liner, install the capand cap the chimney.DO NOT REMOVE BRICKS OR MORTAR FROM THE FIREPLACE.Storm CollarVertical CapOutside Air(Recommended)orm CollarStortical CapVerCover PlateFlueCoverPelletLiner62.3A