Ideal Boilers Mexico Slimline RS 445 Installation & Servicing Manual
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Ideal Boilers Mexico Slimline RS 445 Installation & Servicing Manual

Ideal Boilers Mexico Slimline RS 445 Installation & Servicing Manual

Floor standing, gas fired, balanced flue, room sealed boiler
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Summary of Contents for Ideal Boilers Mexico Slimline RS 445

  • Page 2: Sedbuk No

    back GENERAL Table 1 - General Data Boiler Size RS445 Gas Supply Connection in. BSP Rc 1/2 (1/2) Flow and Return Connections Rc 1 (1" BSP) MAXIMUM Static Water Head m (ft.) 30.5 (100) (3 bar) MINIMUM Static Water Head m (ft.) 1.0 (3.3) Electrical Supply (power consumption)

  • Page 3: Table Of Contents

    Fault Finding ..............31 Flue Fitting ..............15 Models G.C. Appliance No. Flue Installation .............. 6 Mexico Slimline RS 445 ....41 392 88 Gas Safety Regulations ..........4 Gas Supply ..............5 Initial Lighting ............... 21 Installation ..............11 Mandatory Requirements ..........

  • Page 4: Gas Safety Regulations

    In IE, the installation must be carried out by a Competent Person and installed in accordance with the current edition of I.S.813 The Mexico Slimline RS 445 is a floor standing, balanced flue "Domestic Gas Installations", the current Building Regulations gas boiler.

  • Page 5: Boiler Clearances

    back GENERAL An existing cupboard or compartment may be used, providing it LOCATION OF BOILER is modified for the purpose. The boiler must be installed on a flat and level floor, capable of Details of essential features of cupboards/compartment design, adequately supporting the weight of the boiler and any ancillary including airing cupboard installation, are to conform to the equipment.

  • Page 6: Air Supply

    back GENERAL Installation pipes MUST be fitted in accordance with BS. 6891. Grasslin (UK) Ltd., Tower House, Vale Rise, Tonbridge, Kent In IE refer to I.S. 813:2002. Pipework from the meter to the TN9 1TB. boiler MUST be of an adequate size. Do not use pipes of a Tel: +44 (0) 1732 359 888.

  • Page 7: Electrical Supply

    back GENERAL Caradon Ideal Limited recommend the use of Fernox, GE Betz WATER CIRCULATION SYSTEM Sentinel or Salamander water treatment products, which must The boiler must NOT be used for direct hot water supply. be used on accordance with the manufacturers instructions. The following indirect open vented systems are suitable: For further information contact: ! Combined gravity domestic hot water (DHW) and pumped...
  • Page 8 back GENERAL MINIMUM REQUIREMENTS Fully pumped systems 1. Open vent and cold feed connections must be made to the boiler flow and return tappings according to the options shown in Frame 1. 2. The boiler is assumed to be the highest point of the circulating system. 3.
  • Page 9 back GENERAL SEALED SYSTEM REQUIREMENTS Fully pumped systems Non-return valve Automatic air vent Hosepipe (disconnect after filling) Hose unions Additional stop valve Temporary hose (disconnect Hose connector Double check valve after filling) assembly (note direction of flow) Note. 4. Expansion Vessel The method of filling, refilling, topping up or flushing sealed a.
  • Page 10 back GENERAL SEALED SYSTEM REQUIREMENTS - continued double check valve shall be installed upstream of the 7. Mains Connection draw-off point. There must be no direct connection to the mains water supply c. Through a temporary hose connection from a draw-off tap or to the water storage tank supplying domestic water, even supplied from a service pipe under mains pressure.

  • Page 11: Boiler Assembly - Exploded View

    back INSTALLATION 7 BOILER ASSEMBLY - Exploded View Terminal grille Data badge MEX2251 LEGEND 24. Gas valve. 46. Boiler feet assy. Heat exchanger. 28. Gas service cock. 49. Flue baffle Thermostat pocket. 29. PCB assy. 68. Retaining clip 16. Front plate. 44.
  • Page 12 back INSTALLATION UNPACKING PACK 'A' CONTENTS ! complete boiler assembly To avoid damage to the boiler casing it is recommended that the casing is removed BEFORE THE BOILER BODY IS ! the Hardware Pack (listed separately below) TAKEN OFF THE PALLET. ! these Installation and Servicing Instructions The boiler is supplied fully assembled in Pack A, together with ! User's Instructions.
  • Page 13 back INSTALLATION BOILER CASING REMOVAL It is preferable to removed the casing to install the boiler Control panel 1. Undo the 2 screws and lift off the lower front panel. 2. Remove 2 screws and lift off the grille assembly. 3.
  • Page 14 back INSTALLATION 11 PREPARING THE WALL 1. Cut the appropriate hole in the wall for insertion of the terminal assembly. Notes. a. Make good the hole on the INSIDE of the building to the given dimensions BEFORE fitting the boiler, to facilitate sealing between the terminal and the wall when the boiler is in position.

  • Page 15: Flue Fitting

    back INSTALLATION 12 FITTING THE FLUE ASSEMBLY Legend 1.Boiler air duct. 2.Boiler flue duct. 6.Terminal grille securing 3.Terminal air duct. screws - 2 off 4.Terminal flue duct. 7.Terminal flue securingscrews - 4 off 5.Terminal grille. Flue terminal shown in position 6.

  • Page 16: 15 Electrical Connections

    back INSTALLATION 13 GAS CONNECTION 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 THAN 15mm ( ") OD to the boiler and connect to the gas cock situated at the bottom LH side of the boiler.

  • Page 17: Electrical Diagram

    back INSTALLATION 16 INTERNAL WIRING LEGEND b blue Flow and pictorial wiring bk black diagrams are shown in br brown Frames 17 and 18. gy grey or orange 1. Remove the securing screw and lift off the control box cover. v violet 2.

  • Page 18: System Electrical Diagrams

    back INSTALLATION 18 PICTORIAL WIRING LEGEND Ignition/Detection electrode b br y/g b blue bk black MAINS SUPPLY br brown gy grey Control thermostat or orange Neon v violet Control box w white earth screw y/g yellow/green Mex 1924 Room Cylinder Mid Position 19 MID POSITION VALVE Thermostat...
  • Page 19 back INSTALLATION 20 TWO SPRING CLOSED VALVES Pumped Only Notes. 1. Some earth wires are omitted for clarity. Ensure proper earth continuity when wiring. 2. Numbering of terminals on thermostats is specific to the manufacturer. 3. This is a fully controlled system - set the boiler thermostat to maximum.
  • Page 20 back INSTALLATION 22 FROST PROTECTION Central heating systems fitted wholly inside the house do not normally require frost protection as the house acts as a 'storage heater' and can normally be left at least 24 hrs. without frost damage. However, if parts of the pipework run outside the house or if the boiler will be left off for more than a day or so then a frost 'stat should be wired into the system.

  • Page 21: 25 Initial Lighting

    back INSTALLATION 24 COMMISSIONING AND TESTING The Benchmark Log Book or equivalent self certification should be completed and signed to demonstrate compliance with Building Regulations. A. ELECTRICAL INSTALLATION B. GAS INSTALLATION C. WATER CIRCULATING SYSTEM 1. Checks to ensure electrical 1.
  • Page 22 back INSTALLATION 26 GENERAL CHECKS Make the following checks for correct operation: Notes. 1. Turn the boiler thermostat OFF and ON to check that the main a. If an optional programmer kit is fitted refer to burner is extinguished and relit in response. the separate Programmer Kit Installation Instructions and User's Instructions.

  • Page 23: Servicing

    back SERVICING 28 SCHEDULE To ensure the continued safe and efficient operation of the e. Check that the flue terminal is unobstructed and that the appliance, it is recommended that it is checked at regular flue system, including the flue cleanout cover, is sealed intervals and serviced as necessary.
  • Page 24 back SERVICING 30 BURNER AND CONTROLS ASSEMBLY 1. Remove the 2 screws and lift off the front panel and remove the grille assembly from the casing. Refer to Frame 29. 2. Disconnect the electrical leads from the gas valve. 3. Disconnect the ignition lead from the PCB. "...
  • Page 25 back SERVICING 33 REASSEMBLY 7. Refit the thermostat phial and phial retaining clip, ensuring that they are correctly located in the Reassemble the boiler in the following order : thermostat pocket and secured by the split pin. Refer to Frame 29. 1.
  • Page 26 back SERVICING REPLACEMENT OF PARTS 35 GENERAL Note. In order to assist fault finding, the control box PCB is fitted When replacing any component: with 2 indicator lights which represent the following boiler conditions: 1. Isolate the electricity supply. Neon I3 Mains electricity ON.
  • Page 27 back SERVICING 38 CONTROL THERMOSTAT REPLACEMENT 1. Refer to Frame 35. 2. Remove 2 screws and lift off the front lower panel. Refer to Frame 29. Control thermostat Thermostat bracket 3. Disconnect the in-line connector on the PCB lead. 4. Remove the Burner On neon cable from the back of the control panel.
  • Page 28 back SERVICING 40 OVERHEAT THERMOSTAT REPLACEMENT 1. Refer to Frame 35. 2. Remove the 2 screws and lift off the lower front panel. Refer to Frame 29. 3. Disconnect the in-line connector on the PCB lead. 4. Remove the Burner On neon cable from the back of the control panel.
  • Page 29 back SERVICING 42 IGNITION ELECTRODE REPLACEMENT 1. Refer to Frame 35. 2. Remove the 2 screws, lift off the lower front panel then remove the grille assembly. Refer to Frame 29. 3. Disconnect the electrical leads from the gas valve. 4.
  • Page 30 back SERVICING 44 MAIN BURNER INJECTOR REPLACEMENT 1. Refer to Frame 35. 2. Remove the 2 screws, lift off the lower front panel then remove the grille & assembly. Refer to Frame 29. 3. Disconnect the electrical leads from the gas valve.

  • Page 31: Fault Finding

    When replacing any parts on this appliance use only spare parts that you can be assured conform to the safety and performance specification that we require. Do not use reconditioned or copy parts that have not been clearly authorised by Ideal Boilers.

  • Page 32: Short List Of Parts

    back SHORT LIST OF PARTS 47 SHORT PARTS Mexico Slimline RS445 - Installation & Servicing...
  • Page 33 back LIST OF PARTS 48 BOILER CASING ASSEMBLY Legend 62. Casing complete. 63. Controls panel complete. 73. LH side panel. 74. RH side panel. 75. Lower front panel. 76. Top panel. 77. Grille assembly 49 CONTROL BOX ASSEMBLY - Exploded View Thermostat bracket Thermostat...

  • Page 34: Burner Assembly - Exploded View

    back LIST OF PARTS 50 BURNER AND CONTROLS ASSEMBLY - Exploded View 22.1 16.1 26, 27 Legend 19. Pilot pipe 22.1. Pilot burner bracket 27. Ignition (HT) lead. 16. Front plate assembly. 20. Main burner. 28. Gas cock. 24. Gas valve. 17.
  • Page 35 back FAULT FINDING Before attempting any electrical fault finding ALWAYS carry Detailed instructions on the cleaning and adjustment or out preliminary electrical system checks, i.e. earth continuity, replacement of faulty components are contained in the polarity and resistance to earth using a suitable meter. 'Servicing' section of this publication.
  • Page 36 They have been tested and conform with the provisions of BS. 6332 and BS. 5258. Ideal Boilers, P.O. Box 103, National Ave, Kingston upon Hull, HU5 4JN. Telephone: 01482 492 251 Fax: 01482 448 858. Registration No. London 322 137.

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