Ideal Boilers isar m30100 Installation And Servicing

16INSTALLATIONisar - Installation and ServicingFLUE OUTLET15 PREPARING THE WALLIMPORTANT.Ensure that, during the cutting operation, masonryfalling outside of the building does not cause damageor personal injury.1. Cut the flue hole (preferably with a 5" core boringtool), ensuring that the hole is square to the wall.Both wall faces immediately around the cut holeshould be flat.2. Drill 4 holes with a 7mm (1/4 ") masonry drill andinsert the plastic plugs, provided, for the pipingframe.3. Locate 4 No.10 x 2" screws in the piping frame(one at each side, in any of the 3 holes providedat each side) and screw home.16 CUTTING THE FLUE - REAR Wall thicknesses of 114 to 490mmNotes.a.If using the extension ducts go to Frame 18.b.If the stand-off frame is used it is essential add 33mm to'X' the measured wall thickness when marking the flue(this will allow for the fitted frame).1. Measure and note wall thickness X. Refer to Frame 12.2. Add 90mm (3 1/2 ") to dimension X and, measuring fromthe ring, cut the outer tube only.3. To ensure the tube is cut square, mark the flue all the wayround.4. Cut the inner tube to a length 20mm (3/4") longer to aidengagement, using the cardboard support.17 CUTTING THE FLUE - SIDE Wall thicknesses of 114 to 455mmNote.If using the extension ducts go to Frame 18.1. Measure and note side flue length L. Refer toFrame 12.2. Add 125mm (5") to dimension L and, measuringfrom the ring, cut the outer tube only.3. To ensure the tube is cut square, mark the flue allthe way around.4. Cut the inner tube to a length 20mm ( 3/4 ") longer toaid engagement, using the cardboard support.2011XSectionthrough wallNote. Check all of the holepositions before drilling.Side flue only5" diameter holeRear flue only5" diameter hole