Ideal Boilers Mexico Super RS485 Installation And Servicing

16 Mexico Super RS485 - RS4125 - Installation & ServicingINSTALLATION17 ELECTRICAL CONNECTIONSWARNING.The appliance MUST be efficiently earthed.A mains supply of 230 V ~ 50 Hz is required.The fuse rating should be 3A.All external controls and wiring MUST be suitable for mainsvoltage.Wiring should be in 3-core PVC insulated cable NOT LESSthan 0.75 mm 2 (24 x 0.2 mm) to BS.6500, Table 16.Wiring external to the boiler MUST be in accordance withcurrent l.E.E. (BS7671) Wiring Regulations and localregulations. For Ireland reference should be made to thecurrent ETCI rules for electrical installations.Connection must be made in a way that allows completeisolation of the electrical supply - such as a double poleswitch, having a 3mm (1/8") contact separation in bothpoles, or a plug and socket serving only the boiler andsystem controls.The means of isolation must be accessible to the user afterinstallation.This connection should be readily accessible and be madeadjacent to the boiler (except in the case of bathroominstallations for domestic boilers where the point ofconnection to the mains MUST be outside of the bathroom).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 return pipes shouldbe used, both to and from the boiler.Gravity connections MUST be at least 28mm (1").2. Ensure that all valves are open. Fill and vent thesystem and check for water soundness.Notes.a. Isolating valves must be fitted as close to the pumpas possible.b. The boiler is not suitable for use with a direct hotwater cylinder.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