Ideal Boilers Mexico Super RS440 Installation And Servicing Manual

Also see for Mexico Super RS440: User guide

16 Mexico Super RS440 - RS470 - Installation & ServicingINSTALLATION14 GAS CONNECTION2. Ensure that all valves are open. Fill and vent the systemand check for water soundness.Notes.a. Isolating valves must be fitted as close to the pump aspossible.b. The boiler is not suitable for use with a direct hot watercylinder.Boiler Dimension ARS440 327 (12 7/8 ")RS450 - 470 400 (15 3/4 ")1. A MINIMUM working gas pressure of 20 mbar(8 in.w.g.) MUST be available at the boiler inlet,with the boiler operating.2. Extend a gas supply pipe NOT LESS THAN15mm ( 1/2 ") OD to the boiler and connect tothe gas cock situated at the front LH side of theboiler.3. Test the gas installation for soundness andpurge in accordance with BS.6891: 1988.Refer to Frame 26.15 WATER CONNECTIONS1. Connect the system flow and return pipework to theboiler as appropriate. Refer to Frames 3 and 4 forguidance on system design.Note. When the required output exceeds 14.4 kW(49,000 Btu/h) then 28mm (1") pumped flow and returnpipes should be used, both to and from the boiler.Gravity connections MUST be at least 28mm (1").16 WATER TREATMENTThese boilers incorporate a cast iron heat exchanger.IMPORTANT. The application of any other treatment to this product may render the guarantee of Caradon Ideal Limited INVALID.Caradon Ideal Limited recommend Water Treatment in accordance with the Benchmark Guidance Notes on Water Treatment inCentral Heating Systems.Caradon Ideal Limited recommend the use of Fernox, GE Betz Sentinel or Salamander water treatment products, which must beused on accordance with the manufacturers instructions.For further information contact:Fernox Manufacturing Co. Ltd, Cookson Electronics, Forsyth Road, Sheerwater, Woking, Surrey. GU21 5RZ. Tel. +44 (0) 1799 521133orG E Betz Ltd, Sentinel Division, Foundry Lane, Widnes, Cheshire, WA8 8UD. Tel. +44 (0) 151 424 5351orSalamander Engineering Ltd, Unit 24, Reddicap Trading Estate, Sutton Coldfield, West Midlands B75 7BU. Tel. +44 (0) 121 378 0952Notes.1. It is most important that the correct concentration of the water treatment products is maintained in accordance with themanufacturers' instructions.2. If the boiler is installed in an existing system any unsuitable additives MUST be removed by thorough cleansing.BS7593:1992 details the steps necessary to clean a domestic heating system.3. In hard water areas, treatment to prevent limescale may be necessary - however the use of artificially softened water is NOTpermitted.4. Under no circumstances should the boiler be fired before the system has been thoroughly flushed.INSTALLATION