Raypak Hi Delta 302A-902A Installation And Operating Instructions Manual

278. Locate and guard vent termination to prevent acci-dental contact by people or pets.9. DO NOT terminate vent in window well, stairwell,alcove, courtyard or other recessed area.10. DO NOT terminate above any door, window, orgravity air intake. Condensate can freeze, causingice formations.11. Locate or guard vent to prevent condensate fromdamaging exterior finishes. Use a rust-resistantsheet metal backing plate against brick or mason-ry surfaces.12. DO NOT extend exposed vent pipe outside ofbuilding. Condensate could freeze and block ventpipe.U.S. InstallationsRefer to the latest edition of the National Fuel GasCode.Vent termination requirements are as follows:1. Vent must terminate at least 4 ft below, 4 ft hori-zontally from or 1 ft above any door, window orgravity air inlet to the building.2. The vent must not be less than 7 ft above gradewhen located adjacent to public walkways.3. Terminate vent at least 3 ft above any forced airinlet located within 10 ft.4. Vent must terminate at least 4 ft horizontally, andin no case above or below unless 4 ft horizontaldistance is maintained, from electric meters, gasmeters, regulators, and relief equipment.5. Terminate vent at least 6 ft away from adjacentwalls.6. DO NOT terminate vent closer than 5 ft below roofoverhang.7. The vent terminal requires a 12 in. vent terminalclearance from the wall.8. Terminate vent at least 1 ft above grade, includingnormal snow line.9. Multiple direct vent installations require a 4 ftclearance between the ends of vent caps locatedon the same horizontal plane.Canadian InstallationsRefer to latest edition of B149.1.A vent shall not terminate:1. Directly above a paved sidewalk or drivewaywhich is located between two single-family dwell-ings and serves both dwellings.2. Less than 7 ft (2.13 m) above a paved sidewalk orpaved driveway located on public property.3. Within 6 ft (1.8 m) of a mechanical air supply inletto any building.4. Above a meter/regulator assembly within 3 ft (915mm) horizontally of the vertical centre-line of theregulator.5. Within 6 ft (1.8 m) of any gas service regulatorvent outlet.6. Less than 1 ft (305 mm) above grade level.7. Within the 3 ft (915 mm) of a window or door whichcan be opened in any building, any non-mechani-cal air supply inlet to any building or the combus-tion air inlet of any other appliance.8. Underneath a verandah, porch or deck, unless theverandah, porch or deck is fully open on a mini-mum of two sides beneath the floor, and the dis-tance between the top of the vent termination andthe underside of the verandah, porch or deck isgreater than 1 ft (305 mm).Changing the Flue OutletFollow these instructions to change the flue connec-tion from the standard top location to the rear of theheater.1. Disconnect all electrical power from the heater (ifapplicable).2. Disconnect or isolate the main gas pipe from theheater (if applicable).3. Remove the screws, gasket and dustcover fromthe rear of the heater.4. Remove the screws, stainless steel flue cover andgasket from the branch side of the tee located inthe flue box at the rear of the heater.