23W415-0773 / F / 08.26.13EN90°V 1V2H 1H 290°90°H345°18.2_3AExample:V1 = 1.5 FT (0.5m)V2 = 5 FT (1.5m)VT = V1 + V2 = 1.5FT (0.5m)+ 5FT (1.5m) = 6.5 FT (2m)H 1 = 1 FT (0.3m)H 2 = 1 FT (0.3m)H 3 = 10.75 FT (3.3m)H R = H1 + H2 + H3 = 1FT (0.3m) + 1FT (0.3m) + 10.75FT (3.3m) = 12.75FT (3.9m)H O = .03 (four 90° elbows + one 45° elbow - 90°)= .03 (360° + 45° - 90°) = 6.75 FT (2.1m)H T = HR + HO = 12.75FT (3.9m) + 6.75FT (2.1m) = 19.5 FT (5.9m)H T + VT = 19.5FT (5.9m) + 6.5FT (2m) = 26 FT (7.9m)Formula 1:H T < 3 VT3 VT = 3FT (0.9m) x 6.5FT (2m) = 19.5FT (5.9m)19.5FT (5.9m) = 19.5FT (5.9m)Formula 2:H T + VT < 40 FT (12.2m)26 FT (7.9m) < 40 FT (12.2m)Since both formulas are met, this vent configuration is acceptable.4.0 PRE-INSTALLATION PREPARATION4.1 GD36 REAR EXIT4.2 GD36 TOP EXIT! WARNINGFAILURE TO INSTALL THE CAP WILL CAUSE THE APPLIANCE TO FUNCTION IMPROPERLY ANDCAN CAUSE INJURY OR PROPERTY DAMAGE.A. Remove the baffle from the back of the firebox by removingthe four screws.B. From inside the firebox, insert the 4" (102mm) flue pipe /gasket assembly (provided) through the rear of the firebox.Secure the flue pipe assembly to the rear and top of theappliance using 4 #8 x ¾ inch Hex Head Wildrill screwssupplied. NOTE: Do not overtighten. The gasket needsonly to be snug against the firebox.C. Before attaching elbows to the collars on the back of the appliance, 1½"(38mm) will need to be trimmed off the 4" (102mm) collar.D. Re-attach the baffle to the back of the firebox using the four screws.Remove the baffle from the back of the firebox by removing the four screws.A. Remove the 7" (178mm) diameter cap from the top of the appliance andre-secure it over the 7" (178mm) collar located at the rear of the appliance.Press firmly on the cap while securing to ensure an airtight seal. Do notdamage the gasket.B. Remove the plate covering the 4" (102mm) diameter flue opening (seeninside the top of the 7" (178mm) diameter collar) and discard. Try not todisturb the retaining ring or the gasket beneath. Re-secure the ring andgasket using the screws removed from the plate.C. From inside the firebox, insert the 4" (102mm) flue pipe / gasket assembly through the heat shield andout through the retaining ring. Secure the assembly to the rear and top of the appliance using 4 #8 x ¾"Hex Head Wildrill screws supplied. Do not overtighten. The gasket needs only to be snug against thefirebox. Re-attach the baffle to the back of the firebox using the four screws.BAFFLEBAFFLESCREWS