Napoleon HD35PT-2 Installation And Operation Manual

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W415-2197 / B / 08.28.18EN16venting requirements2.7 horizontal terminationSimple venting configuration (only one 90° elbow)90°90°90°V1V2H 1H 20 2.5(0.8)5(1.5)7.5(2.3)10(3.1)12.5(3.8)15(4.6)40 (12.2)10 (3.1)20 (6.1)30 (9.1)17.5(5.3)20(6.1)39 (11.9)REQUIREDVERTICALRISE IN FEET(METERS)VTHORIZONTAL VENT RUN PLUS OFFSET IN FEET(METERS) HT(HT) < (VT)For vent configurations requiring more than one 90° elbow, the following formulas apply:Formula 1: HT < VTFormula 2: HT + VT < 40 feet (12.2m)Example:V1 = 3 FT (0.9m)V2 = 8 FT (2.4m)VT = V1 + V2= 3 FT (0.9m ) + 8 FT (2.4m) = 11 FT (3.4m)H1 = 2.5 FT (0.8m)H2 = 2 FT (0.6m)HR = H1 + H2 = 2.5 FT (0.8m) + 2 FT (0.6m) = 4.5 FT (1.4m)HO = .03 (three 90° elbows - 90°) = .03 (270° - 90°) = 5.4 FT (1.7m)HT = HR + HO = 4.5 FT (1.4m) + 5.4 FT (1.6m) = 9.9 FT (3m)HT + VT = 9.9 FT (3m) + 11 FT (3.4m) = 20.9 FT (6.4m)Formula 1: HT < VT9.9 FT (3m) < 11 FT (3.4m)Formula 2: HT + VT < 40 FT (12.2m)20.9 FT (6.4m) < 40 FT (12.2m)Since both formulas are met, this vent configuration is acceptable.See graph to determine the required vertical riseVT for the required horizontal run HT.The shaded area within the lines represents ac-ceptable values for HT and VT90°90°90°V1V2H 1H 20 2.5(0.8)5(1.5)7.5(2.3)10(3.1)12.5(3.8)15(4.6)40 (12.2)10 (3.1)20 (6.1)30 (9.1)17.5(5.3)20(6.1)39 (11.9)REQUIREDVERTICALRISE IN FEET(METERS)VTHORIZONTAL VENT RUN PLUS OFFSET IN FEET(METERS) HT90°90°90°V1V2H 1H 20 2.5(0.8)5(1.5)7.5(2.3)10(3.1)12.5(3.8)15(4.6)40 (12.2)10 (3.1)20 (6.1)30 (9.1)17.5(5.3)20(6.1)39 (11.9)REQUIREDVERTICALRISE IN FEET(METERS)VTHORIZONTAL VENT RUN PLUS OFFSET IN FEET(METERS) HT