Dear Customer, Thank you for choosing an ARISTON boiler. We guarantee that your boiler is a reliable and technically sound product. This manual provides detailed instructions and recommendations for proper installation, use and maintenance. Remember to keep this manual in a safe place for future reference i.e.
1. G ENERAL NFORMATION MTS (GB) Limited support the initiative. Your installer will give you, and show you how to use, a Log Book which will give you important information about your boiler, and heating system. Please have this Log Book to hand whenever you contact a service engineer or us.
ONTROL ANEL EGEND A - On/Off Button B - Domestic Hot Water Temperature Adjustment C - Central Heating Temperature Adjustment D - Reset Button/Flue Test analysis mode* E - Comfort Mode Selector F - Summer Mode LED (Green) G - Ignition/Overheat Lockout LED (Red) H - Central Heating (Winter Mode) LED (Green) I - Digital Display (Fault Code/Water Temperature) J - Time Clock...
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RACTICAL TIPS - If the water is very hard, it is recommended that a water softener be added to the system so as to reduce the formation of limescale in the boiler exchangers. This will ensure that the efficiency of the unit remains the same over time, reducing gas consumption and maintenance costs.
CONOMY COMFORT MODE The selector knob “E” allows the user to choose the economy mode (position “E”) or the comfort mode (position “C”). The economy mode is the normal state for the operation of the boiler, since the domestic water is heated up only when a tap is turned on. confort economy The comfort mode is a special operating state, because the water contained in the...
Other Shutdown Situations Should a shutdown situation indicated on the display by the following letters and figures occur, E04, E05, E06, E07, E08, E09, E20, E21, E33, E34 contact one of our Authorised Service Centres. If instead the display shows one of the shutdown situations indicated by the following letters and figures, A77, A78, A97, A98, A99, try resetting the boiler by pressing the reset button “D”.