Valor Fires 762 Installer And Owner Manual
Also see for 762: Installer and owner guideInstaller and owner guide
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5.10.2. ‘Hole-in-the-wall’ Installations It is recommended that a hearth should be installed as in section 5.8. If a hearth is not fitted, the fire must be installed so that the distance from the baseof the fireplace opening in the wall to the finished floor level is at least 105mm. Wherethere is no floor covering or carpet and the floor is of a type that is likely to becovered in such a way in the future then the distance from the base of the fireplaceopening in the wall to the floor level should be increased to at least 180mm.5.11 Flues.1. Suitable flues and minimum flue sizes are as follows: -It should be noted that, as with many appliances, sharp bends or horizontal runs inmetal flues at the top of the system can be a cause of problems in these types ofinstallation. 225mm x 225mm conventional brick flue. 175mm diameter lined brick or stone flue. 200mm diameter factory made insulated flue manufactured to BS4543 Part 2. 175mm diameter flue pipe. See BS6461 Part 1 for suitable materials. Single wall, twin wall or flexible flue liner with a minimum diameter of 125mm. Thematerials to be used are stainless steel or aluminium as specified inBS EN 1856 Part 1. The liner must be sealed to the surrounding area above thefireplace opening and to the top of the chimney. An approved terminal must be fitted.2. The flue must conform to BS 5440: Part 1 in design and installation.The flue, measured from the bottom of the fireplace opening to the bottom of theterminal, shall be not less than 3m in actual vertical height. When calculated inaccordance with BS 5440: Part 1 Annex A, the minimum equivalent height of the flueshall be 2.0m of 125mm dia. flue pipe.INSTALLER GUIDEFigure 5. Fireplace area.© Baxi Heating U.K. Limited 2010. Page 17 |
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