Roof Mounted Exhaust Fan Installation Detail

Primary secondary chilled water instrumentation diagram.

Roof mounted exhaust fan installation detail.

Although this isn t always possible in attic crawl spaces you should always insulate the duct to prevent condensation problems. Relief and intake. Plate and frame heat exchanger piping diagram. Rectangular transitions offsets and elbows.

Package dircet drive propeeler type wall mounted fan. Piping penetration at wall. Radial roof exhaust fan detail. Duct already wrapped in insulation at home centers.

Wall bottom title fan frame seccure fan motor mount blades blocking frame to wire guard motor mount building wall exhaust air duct duct collar connection neoprene pad concrete base roof slab flexible top of parapet see architectural drawing for roof construction and flashing counterflashing for fan details and other. You can find 4 in. Then turn the blower wheel by hand to make sure that it is able to rotate freely. Check for and retighten any bolts or screws that may have become loosened.

The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. Make sure you have all of the accessory items and that they are also damage free. Axial fans and roof mounted extract fans the indicated values are determined by measuring the sound pressure level and sound power in db a obtained in a free field at a distance equivalent to twice the size of the fan plus the impeller diameter with a minimum of 1 5 m.