Napoleon GD70NT-2S Installation And Operating Instructions Manual

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Napoleon GD70NT-2S Installation And Operating Instructions Manual Manual pdf 21 page image

21W415-1103 / A / 08.07.13EN4.2.2 VERTICAL AIR TERMINAL INSTALLATIONA. Fasten the roof support to the roof using the screws provided. Theroof support is optional. In this case the venting is to be adequatelysupported using either an alternate method suitable to the authorityhaving jurisdiction or the optional roof support.B. Stretch the inner flex pipe to the required length. Slip theinner flex pipe a minimum of 2” (51mm) over the inner pipeof the air terminal connector and secure with 3 #8 screws.Seal using a heavy bead of high temperature sealantW573-0007 (not supplied).C. Repeat using the outer flex pipe, using a heavy bead ofhigh temperature sealant W573-0002 (not supplied).D. Thread the air terminal connector / vent pipe assembly down throughthe roof. The air terminal must be positioned vertically and plumb.Attach the air terminal connector to the roof support, ensuring that thetop of the air terminal is 16” (406mm) above the highest point that itpenetrates the roof.E. Remove nails from the shingles, above and to the sides of the airterminal connector. Place the flashing over the air terminal connectorleaving a min. 3/4” (19mm) of the air terminal connector showingabove the top of the flashing. Slide the flashing underneath thesides and upper edge of the shingles. Ensure that the air terminalconnector is properly centred within the flashing, giving a 3/4”(19mm) margin all around. Fasten to the roof. Do not nail throughthe lower portion of the flashing. Make weather-tight by sealing withcaulking. Where possible, cover the sides and top edges of theflashing with roofing material.F. Aligning the seams of the terminal and air terminal connector,place the terminal over the air terminal connector making surethe vent pipe goes into the hole in the terminal. Secure with thethree screws provided.G. Apply a heavy bead of weatherproof caulking 2” (51mm) abovethe flashing. Install the storm collar around the air terminal andslide down to the caulking. Tighten to ensure that a weather-tight seal between the air terminal and the collar is achieved.H. If more vent pipe needs to be used to reach the appliance see “HORIZONTALAIR TERMINAL INSTALLATION” section.24.1ASTORM COLLARFLASHINGCAULKINGWEATHERSEALANT2”(50.8mm) AIR INLETBASEROOF SUPPORTINNER FLEX PIPEINNER PIPEHIGHTEMPERATURESEALANTAIRTERMINALCONNECTOROUTER FLEX PIPEMAINTAIN A MINIMUM 2” (50.8mm) SPACE BETWEEN THE AIR INLET BASE AND THE STORM COLLAR.! WARNING