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IDEAL Mexico RS 3/100 Installation And Servicing Manual

Floor standing, gas fired, balanced flue, room sealed boiler
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Summary of Contents for IDEAL Mexico RS 3/100

  • Page 2 Mexico: The Floor Standing Gas Boiler The Ideal Mexico is a range of cast iron floor standing gas central heating boilers. Both balanced or conventional flue versions are available. A complete range of both natural gas and propane models. The range offers Super models and, for when space is tight, there are Slimline models available.
  • Page 3 GENERAL Table 1 - General Data Boiler Size RS 3/100 RS 3/125 Gas Supply Connection in. BSP Rc 1/2 (1/2) Number of Boiler Sections 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.)

  • Page 4: Table Of Contents

    GENERAL Mexico Super RS CONTENTS Air Supply..............7 Mexico Super RS 3/100 G.C. No 41 349 32 Mexico Super RS 3/125 G.C. No 41 349 33 Boiler Assembly - Exploded view ........ 9 Boiler Clearances ............6 Burner Assembly - Exploded view ......30 Natural Gas only Appliance type: C Electrical Connections ..........

  • Page 5: Gas Safety Regulations

    GENERAL GAS SAFETY The Electricity at Work Regulations, 1989. Manufacturer’s notes must NOT be taken in any way as Gas Safety (Installation and Use) Regulations, 1994, overriding statutory obligations. amendments 1996 or rules in force. IMPORTANT. These appliances are certificated by the British It is law that all gas appliances are installed by a CORGI Standards Institution for safety and performance.

  • Page 6: Boiler Clearances

    GENERAL Bathrooms An existing cupboard or compartment may be used, providing it The boiler may be installed in any room or internal space, is modified for the purpose. although particular attention is drawn to the requirements of the In both cases details of essential features of cupboards/ current I.E.E.

  • Page 7: Air Supply

    GENERAL GAS SUPPLY 4. Where the lowest part of the terminal is fitted less than 2m The local gas supplier should be consulted, at the installation (6' 6") above a balcony, above ground or above a flat roof to planning stage, in order to establish the availability of an which people have access then the terminal MUST be adequate supply of gas.

  • Page 8: Electrical Supply

    GENERAL WATER CIRCULATION SYSTEM THERMOSTATIC RADIATOR VALVES The boiler must NOT be used for direct hot water supply. The Caradon Plumbing Limited recommend that heating systems boiler is suitable for connection to pumped open vent central utilising full thermostatic radiator valve control of temperature in heating systems, pumped central heating combined with individual rooms should also be fitted with a room thermostat pumped or gravity indirect domestic hot water supply systems.

  • Page 9: Boiler Assembly - Exploded View

    INSTALLATION 3 BOILER ASSEMBLY - Exploded View Mexico Super RS with casing removed - RS 3/100 shown. LEGEND 1. Heat exchanger assy. 13. Cleanout cover. 47. Baseplate. 2. Front section. 14. Front plate. 52. Heat shield. 3. Middle section. 22. Gas control valve. 4.
  • Page 10 INSTALLATION UNPACKING complete boiler The boiler is supplied fully assembled in Pack assembly A, together with either one or two of four packs: B, B1, C or D. Packs B, B1 or C contain the flue terminal appropriate to the wall thickness.

  • Page 11: Boiler Casing Removal

    INSTALLATION BOILER CASING REMOVAL To install the boiler the casing MUST be removed. 1. Lift off the lower front panel. 2. Remove 2 screws and lift off grille assembly. 3. Remove the gas valve cover by removing the retaining screw. Disconnect the electrical leads.

  • Page 12: Preparing The Boiler

    INSTALLATION Notes. PREPARING THE BOILER Before placing the boiler in the selected position any gas and water connections at the rear of the boiler should be prepared, due to the possible lack of access. Table 7 - Fully Pumped Systems If an optional Pump Kit is to be used then it must be Connections - as viewed at front Thermostat Position...

  • Page 13: Fitting The Flue Assembly

    INSTALLATION FITTING THE FLUE ASSEMBLY Duct lengths up to 400 mm (16") A. Air duct join B. Flue duct join Legend 5.Terminal grille assembly. 1.Boiler air duct. Flue terminal 6.Terminal grille. 2.Boiler flue duct. shown in position 7.Securing screws - 2 off. 3.Terminal air duct.

  • Page 14: Pump

    INSTALLATLON 10 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 front LH side of the boiler.

  • Page 15: Electrical Connections

    INSTALLATION 13 GRAVITY HOT WATER & PUMPED CENTRAL HEATING 1. Separate flow and return connections are used for each service. All possible configurations are given in Frame 6 and ONLY those shown should be used. 2. The schematic pipework graph is based on the assumption that NO MORE than 8 elbows are used in the gravity loop, including entry to the boiler.

  • Page 16: Internal Wiring

    INSTALLATION 15 INTERNAL WIRING Flow and pictorial wiring diagrams are shown in Frames 16 and 17. A schematic wiring diagram is included in the Lighting Instruction label. 1. Remove the securing screw and lift off the control box cover. 2. Route the electrical leads into the box and wire into the terminal strip, as shown.
  • Page 17 INSTALLATION 18 MID POSITION VALVE 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 indicated. 3. This is a fully controlled system - set the boiler thermostat to maximum.

  • Page 18: Frost Protection

    INSTALLATION 21 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 19: Initial Lighting

    INSTALLATION 24 INITIAL LIGHTING LEGEND A Gas control knob B Burner pressure test point C Main burner pressure adjuster D Inlet pressure test point E Gas service cock F Sightglass G Piezo unit ignition H Boiler thermostat knob J Overheat thermostat reset button (optional) envelops the tip of the thermocouple and is approximately 25mm (1") long.

  • Page 20: Handing Over

    INSTALLATION 26 GENERAL CHECKS Make the following checks for correct operation: 4. Water circulation System a. With the system HOT, examine all water connections for 1. Turn the boiler thermostat OFF and ON to check that the soundness. main burner is extinguished and relit in response. 2.

  • Page 21: Servicing

    SERVICING 28 SCHEDULE e. Check the condition of the thermocouple. To ensure the continued safe and efficient operation of the f. 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 22: Burner And Controls Assembly Removal

    SERVICING 30 BURNER AND CONTROLS ASSEMBLY REMOVAL 1. Lift off front panel and remove the grille assembly. Refer to Frame 29. Undo the gas cock union. 2. Remove the 4 wing nuts and withdraw the burner and controls assembly, complete, from the boiler.

  • Page 23: Gas Pressure Adjustment

    SERVICING 34 GAS PRESSURE ADJUSTMENT 1. Pilot Pressure which quotes details of the rated output with the related Pilot adjustment is factory set to maximum and no burner pressure and heat input. Any required adjustment is possible. adjustments should be made using the pressure 2.

  • Page 24: Pilot Burner Replacement

    SERVICING 38 PILOT BURNER REPLACEMENT 1. Lift off front panel and remove the grille assembly - refer to Frames 29 & 30. Undo the gas cock union and the 4 wing nuts to remove the burner / controls assembly. 2. Prise the retaining clip out of the groove in the electrode, using a small screwdriver, and withdraw the electrode.

  • Page 25: Controls Panel Replacement

    SERVICING 41 CONTROLS PANEL REPLACEMENT 1. Lift off the lower front panel. Refer Frame 29 2. Pull off the thermostat knob. 3. Disconnect the electrical connections from the gas valve. 4. Unscrew the 2 screws and pull down the control panel so that the 2 tabs clear the top panel.

  • Page 26: Ignition Electrode Replacement

    SERVICING 43 IGNITION ELECTRODE REPLACEMENT 1. Lift off front panel and remove the grille assembly - refer to Frames 29 & 30. Undo the gas cock union and the 4 wing nuts to remove the burner / controls assembly. 2. Disconnect the ignition lead.

  • Page 27: Gas Valve Replacement

    SERVICING 47 MAIN BURNER INJECTOR REPLACEMENT 1. Lift off front panel and remove the grille assembly - refer to Frames 29 & 30. Undo the gas cock union and the 4 wing nuts to remove the burner / controls assembly. 2.

  • Page 28: Fault Finding

    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 29: Short List Of Parts

    SHORT LIST OF PARTS The following are parts commonly required as replacement When ordering spares please quote: components, due to damage or expendability. Their failure or 1. Boiler model absence is likely to affect safety or performance of this 2. Appliance G.C. number appliance.
  • Page 30 LIST OF PARTS 52 SHORT PARTS 53 BURNER AND CONTROLS ASSEMBLY - Exploded View Legend. 14. Front plate assy. 15. Sightglass assy. 16. Burner manifold. 17. Pilot pipe. 18. Main burner. 19. Main injector. 20. Pilot burner. 22. Gas valve. 23.

  • Page 31: Boiler Casing Assembly

    LIST OF PARTS 54 BOILER CONTROL PANEL - Exploded View Legend. 30. Control panel complete. 31. Control box. 32. Control thermostat. 33. Control thermostat knob. 36. Control panel. 37. Magnetic strip. 38. Control front panel (door) 55 BOILER CASING ASSEMBLY Legend.
  • Page 32 Mexico Super RS 3/100 & 3/125 - Installation...
  • Page 33 Mexico Super RS 3/100 & 3/125 - Installation...
  • Page 34 For details of courses please ring ....01270 413624 September 1999 UIN 151 908 A03 Ideal Installer/Technical Helpline: 01482 498663 Mexico Super RS 3/100 & 3/125 - Installation...
  • Page 35 YOUR FEEDBACK and your chance to win a free boiler At Ideal we've been leaders in the design and engineering of robust and reliable boilers for over 90 years. We want to continue as leaders by listening to your suggestions for how to improve our boilers and our service.

  • Page 36: Further Information

    Further information If you would like information about Ideal Boilers please complete this sheet and fax it to us on 01482 498699 or post it to Caradon Plumbing Limited, PO Box 103, National Avenue, Kingston upon Hull, HU5 4JN. Installer details...

This manual is also suitable for:

Mexico rs 3/125

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