Assessments - 4, GPA: 4
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The installer must follow these safety rules: • Wear gloves and safety glasses for protection. • Use extreme caution when using ladders or when on rooftops. • Be aware of electrical wiring locations in walls and ceilings. The following actions will void the warranty on your venting system: • Installation of any damaged venting component. • Unauthorized modification of the venting system. • Installation of any component part not manufactured or approved by MHSC. • Installation other than permitted by these instructions. NOTICE Failure to follow these instructions will void the warranty. WARNING This fireplace must be vented to the outside. The venting system must NEVER be attached to a chimney serving a separate solid fuel burning appliance. Each gas appliance must use a separate vent system. Do not use common vent systems. WARNING Always maintain minimum clearances around vent systems. The minimum clearances to combustibles for horizontal vent pipe are 3" at the top* and 1" at the sides and bottom of the vent system until the pipe penetrates the nearest vertical wall (1" required). A 1" minimum clearance all around the pipe must be maintained at outside wall and on vertical runs. Do not pack the open air spaces with insulation or other materials. This could cause high temperatures and may present a fire hazard. * Unless the vertical run is 7Z\x feet or higher (top vent units only), the clearances for the horizontal run is 1" at the top. Venting INSTALLATION INFORMATION General Venting Information - Termination Location V V V V V V V XX X D E B B B C B M B A J K F L VENT TERMINATION AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED H I FixedClosedOperableOperableFixedClosedV B CFM145a DV Termin Location 5/01/01 Rev. 12/05/01 sta INSIDE CORNER DETAIL V A G CFM145a Figure 8 - Termination Locations Canadian Installations1 US Installations2 A = Clearance above grade, veranda, porch, 12” (30 cm) 12” (30 cm) deck, or balcony B = Clearance to window or door that may be 6” (15 cm) for appliances 6” (15 cm) for appliances opened < 10,000BTU/h (3kW), 12” (30 cm) < 10,000 BTU/h (3kW), 9” for appliances > 10,000 Btuh (3kW) and (23 cm) for appliances > 10,000 < 100,000 BTU/h (30kW), 36” (91 cm) Btuh (3kW) and < 50,000 BTU/h for appliances > 100,000 BTU/h (30kW) (15kW), 12” (30 cm) for appliances > 50,000 BTU/h(15kW) C = Clearance to permanently closed window 12” (305 mm) recommended to 12” (305 mm) recommended to prevent window condensation prevent window condensation D = Vertical clearance to ventilated soffit located above the terminal within a horizontal 18” (458 mm) 18” (458 mm) distance of 2’ (610mm) from the center line of the terminal E = Clearance to unventilated soffit 12” (305 mm) 12” (305 mm) F = Clearance to outside corner see next page see next page G = Clearance to inside corner (see next page) see next page see next page H = Clearance to each inside of center line 3’ (91 cm) within a height of 15’ (5 m) 3’ (91 cm) within a height of 15’ extended above meter/regulator assembly above the meter/regulator assembly (5 m) above the meter/regulator assy I = Clearance to service regulator vent outlet 3’ (91 cm) 3’ (91 cm) J = Clearance to nonmechanical air supply inlet 6” (15 cm) for appliances < 10,000 6” (15 cm) for appliances to building or the combustion air inlet to any BTU/h (3kW), 12” (30 cm) for < 10,000 BTU/h (3kW), 9” other appliances appliances > 10,000 BTU/h (3kW) and (23 cm) for appliances > 10,000 < 100,000 Btuh (30kW), 36” (91 cm) BTU/h (3kW) and < 50,000 BTU/h for appliances > 100,000 BTU/h (30kW) (15kW), 12” (30 cm) for appliances > 50,000 BTU/h(15kW) K = Clearance to a mechanical air supply inlet 6’ (1.83 m) 3’ (91 cm) above if within 10' (3 m) horizontally L = Clearance above paved sidewalk or paved 7’ (2.13 m)† 7’ (2.13 m)† driveway located on public property M = Clearance under veranda, porch, deck or 12” (30 cm) 12” (30cm) balcony 1 In accordance with the current CSA-B149 Installation Codes 2 In accordance with the current ANSI Z223.1/NFPA 54 National Fuel Gas Codes † A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwellings only permitted if veranda, porch, deck or balcony is fully open on a minimum 2 sides beneath the floor: NOTE: 1. Local codes or regulations may require different clearances. 2. The special venting system used on Direct Vent Fireplaces are certified as part of the appliance, with clearances tested and approved by the listing agency. 3. MHSC assumes no responsibility for the improper performance of the appliance when the venting system does not meet these requirements. Venting INSTALLATION INFORMATION Outside CornerInside CornerTermination ClearancesTermination clearances for buildings with combustible and noncombustible exteriors. G = Combustible 6" (152 mm) Noncombustible 2" (51 mm) F = Combustible 6" (152 mm) Noncombustible 2" (51 mm) GBalcony - with no side wallM = Combustibl...
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