Napoleon NBM030S2A Installation And Operating Instructions Manual

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Napoleon NBM030S2A Installation And Operating Instructions Manual Manual pdf 23 page image

W415-1117 / A / 03.11.1423IOM9.2 IN CANADA9.3 IN UNITED STATESH14.118" (457mm) MIN.ROOF TERMINATIONEXHAUSTFIGURE 10 - VERTICAL VENTINGMOISTURE IN THE FLUE GASES CONDENSES AS IT LEAVES THE TERMINAL. THIS MOISTURECAN FREEZE ON EXTERIOR WALLS, ON SOFFITS, AND OTHER NEARBY OBJECTS. SOMEDISCOLORATION IS TO BE EXPECTED; HOWEVER, IMPROPER LOCATION OR INSTALLATION CANCAUSE STRUCTURAL OR EXTERIOR FINISH DAMAGE TO THE BUILDING.CAUTION !!Caulk all cracks, seams or joints within a 6 foot (1.8m) radius of the termination.Do not terminate under a deck unless there is adequate clearance to prevent damage from the flue gases.A termination may be located at the end of a patio deck. Piping running beneath the deck must be suitablyinsulated and suspended in a manner to prevent condensate from collecting and freezing.Do not locate the terminal on the side of the building facing the prevailing winter winds.FIGURE 9 - PERISCOPED VENT DETAILINTAKEEXHAUSTGRADE*3"(76mm)MIN.12"(305mm)MIN.12"(305mm)MIN.*18" (457mm) MIN. FOR COLDCLIMATES (SUSTAINED 0°F (-18°C)FOR 24 OR MORE CONSECUTIVEHOURSH14.2AIn addition to the general guidelines, in Canada, the vent exhaust shall not terminate:• Directly above a paved sidewalk or paved driveway which is located between two single-family dwellingsand serves both dwellings;• Less than 7 feet (2.1m) above a paved sidewalk or paved driveway located on public property;• Within 6 feet (1.8m) of a mechanical air supply inlet to any building;• Above a meter/regulator assembly within 3 feet (.91m) horizontally of the center line of the regulator;• Within 3 feet (.91m) of any service regulator vent outlet;• Less than 12” (305mm) above grade level or anticipated snow level;• Within 12” (305mm) of any door, window, or non-mechanical air supply inlet to any building;• Within 12” (305mm) of the combustion air inlet of any other appliance;• Underneath a veranda, porch or deck, unless (a) the veranda, porch or deck is fully open on a minimumof two sides beneath the floor, and (b) the distance between the top of the vent termination and theunderside of the veranda, porch or deck is greater than 12” (305mm).In addition to the general guidelines, in the United States, the vent exhaust shall be installed in accordancewith the following:• The clearance from the bottom of the terminal to grade shall be 12” (305mm).• The vent shall not terminate over public walkways or over an area where condensate or vapor couldcreate a nuisance or hazard.• The vent terminal shall be installed 4 feet (1.2m) below, 4 feet (1.2m) horizontally from, or 1 foot (305mm)above any door, window, soffit, under eave vent or gravity air inlet to the building.• The vent terminal shall have a minimum horizontal clearance of 4 feet (1.2m) from electric meters, gasmeters, regulators and relief equipment.L t th t t i l 3 f t (0 91 ) b f d i i l t l t d ithi 10 f t (3 ) A f h i