Supplied By www.heating spares.co Tel. 0161 620 667729INSTALLATION OF THE VERTICAL AIR/FLUE DUCTPitched roof installation• Determine the point where thevertical air/flue duct and terminalassembly will penetrate the roof.• Fit the flexible pitched roof (Accy.No. 303 980) tile (1).• Working from above, insert thevertical roof duct (5) through theroofing tile and push it firmly intoplace.• Vertically align the roof duct andattach it to the roof structure withthe fixing bracket (6) supplied.• Fit the boiler hanging bracket (2).• Install the appliance (3) withreference to the installation andservicing instructions supplied withthe boiler.☞ See pages 33 et seq. for furtherdetails on the installation ofextensions and elbows.• Push the sliding sleeve (4) firmlyinto place on the extension.• Join the vertical roof duct (5) tothe extension (7).• Join the sliding sleeve (4) to theappliance’s connection piece (8).☞ Using the sliding sleeve allows theappliance to be easily removedand replaced without dismantlingthe flue.• Drill two holes 3 mm Ø throughthe air duct of the flue/boilerclamp at the most convienientholes on the air duct clamp.(Ensure that the drill does notpenetrate the inner flue duct).Screw the clamp to the air ductsof the flue assembly and the boilerusing the screws supplied.• Ensure that any air duct clampsused are positioned centrally andfixed to the air duct using the selftapping screws supplied.• Note: The air/duct clamp must notbe screwed to the bottom of thevertical air/flue duct and terminalaccessory to allow for any slightmovement in the roof structure.• Ensure that at least one pipeclamp supports the air/flue ductat each extension fitted.75023550885Ø10020 – 5067810 - 584100- 1105Fig. 5.2: Fitting the appliance and the vertical roof duct to a building with a pitched roof** = 190 mm ecoMAXcombination and system boilers* = 176 mm ecoMAX pro and ecoTEC plus open vent* = 125 mm ecoTEC plus system & combination750 mm ecoMAXcombination and system boilers530 mm ecoMAX pro and ecoTEC plus open vent(top holes of bracket)622 mm ecoTEC plus system & combinationPART 1 CONCENTRIC 60/100