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Ariston MicroCombi 23 MFFI User Manual
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Ariston MicroCombi 23 MFFI User Manual

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See also: Instructions for Installation and Servicing , Service Instructions
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Summary of Contents for Ariston MicroCombi 23 MFFI

  • Page 1 Users Manual...
  • Page 2 Dear Customer, The guarantee on this appliance is valid for 12 months from the first Thank you for choosing an ARISTON day of installation. boiler. We guarantee that your boiler is a reliable Repairs to the electric, hydraulic and technically sound product.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS page 4 ENERAL NFORMATION Technical Information page 5 Control Panel page 6 page 8 PERATING NSTRUCTIONS SEFUL NFORMATION page 12 ROUBLESHOOTING page 15 AINTENANCE page 15 HANGE OF page 15 LOCK MPORTANT Please read this manual carefully. For additional information, please consult the “Installation and Servicing Instructions.”...

  • Page 4: General Information

    1. G use. ENERAL NFORMATION Do not allow children or inexperienced persons to use the appliance without MTS (GB) Limited support the supervision. initiative. Your installer will give you, and If you smell gas in the room, do not turn show you how to use, a logbook which will on light switches, use the telephone or give you important information about your...

  • Page 5: Technical Information

    ECHNICAL NFORMATION 23 kW GENERAL DATA Heating input max-min 25.6-11.0 Heating output max-min 23.7-9.6 Efficiency at Maximum Thermal Capacity (see 92.5 installation instructions) CENTRAL HEATING Operating Temperature max-min °C 82-42 Maximum-Minimum Heating Pressure 3-0.7 Built-in expansion vessel - Total capacity litres DOMESTIC HOT WATER Maximum-Minimum Temperature of...

  • Page 6: Control Panel

    ONTROL ANEL FR019A 23 MFFI...
  • Page 7 EGEND A - On/Off button B - Central heating temperature adjustment C - Domestic hot water temperature adjustment D - Heating system pressure gauge E - Time clock F - Central heating selector G - Central heating L.E.D. (green) H - Fume sensor L.E.D. (yellow) I - Overheat and/or ignition failure (lockout) L.E.D.

  • Page 8: Operating Instructions

    2. OPERATING INSTRUCTIONS ELPFUL UGGESTIONS AUTION To get the most out of your boiler, we nstallation, start-up, adjustments have provided you with some useful and maintenance must be performed advice proper by a competent person only, in maintenance: accordance with the current Gas - Periodically check system...
  • Page 9 - The outer panels of the units case - If the boiler should be out of use for must only be cleaned with a damp prolonged period, cloth. Do not use abrasive cleaners. recommended that the electrical The control panel can be wiped with power supply be disconnected and either a damp or dry cloth.
  • Page 10 check that the external gas cock is GNITION PROCEDURE open. If the problem persists, contact Press button “A”. The green L.E.D. an Authorised Service Centre. “K” will illuminate indicating that the boiler INTER AND SUMMER is ready to operate. The OPERATING MODES centralised electronic...
  • Page 11 it at 7-8 position in order to obtain the DJUSTING THE HEATING best performance from the boiler and to allow the regulation of the external It is possible to set the temperature of temperature to function efficiently. the heating system by adjusting the knob “B”.

  • Page 12: Useful Information And Troubleshooting

    3. USEFUL INFORMATION URNING OFF CENTRAL HEATING AND TROUBLESHOOTING To turn off the central heating, press the “F” OILER SHUTDOWN SITUATIONS button; the respective green L.E.D. “G” will go The boiler is equipped with safety off. The boiler will stay in devices that intervene in certain summer mode,...
  • Page 13 that the external gas button “J”. cock is open. If the If this situation occurs frequently, problem persists, contact an Authorised Service Centre. contact an Authorised Service Centre. HUTDOWN DUE TO INSUFFICIENT WATER CIRCULATION UT006A If the boiler is off, one possible cause for this state is an insufficient pressure HUTDOWN DUE TO OVERHEATING of water in the system.
  • Page 14 check the heating system for possible boiler automatically turns back on. water leaks. MPORTANT If this situation occurs frequently, contact an Authorised Service Centre. EMPORARY SHUTDOWN DUE TO so that they may check that the exhaust DEFECTIVE DISCHARGE OF fumes are being expelled correctly and EXHAUST FUMES that the area is ventilated properly.

  • Page 15: Maintenance

    4. MAINTENANCE 6. TIME CLOCK Schedule an annual maintenance check-up boiler with competent person. Correct maintenance always results in savings in the cost of running the system. 5. CHANGE OF GAS TYPE UT011Ap Our boilers are designed to function either with Natural Gas (methane) or LPG : the time clock is for central gas.
  • Page 16 clock border (on setting), the circuit is - pull outward the riders for 7.00 am closed (switch on) for a period of 15 and 9.30 am, and then all riders minutes and then the boiler starts if the between these two; room thermostat (if installed) or the - repeat this for 7.00 pm and 10.00 heating...
  • Page 17 request of the room thermostat (if ECHNICAL installed) or the heating thermostat; Ambient 2. Position “O” temperature: - 10°C to + 55°C HEATING OFF: in Running this position, the clock circuit reserve: 150 h (not for 1.5 V DC) always open Shortest (switch off) and the...
  • Page 20 Manufacturer: Merloni TermoSanitari SpA - Italy Commercial subsidiary: MTS (GB) LIMITED MTS Building Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone: (01494) 755600 Fax: (01494) 459775 Internet: http://www.mtsgb.ltd.uk E-mail: info@mtsgb.ltd.uk Technical Service Hot Line: (01494) 539579...
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