Ariston 28 MFFI Manual Do Utilizador

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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. by the gas meter.
Your local MTS Servicing Centre is at your complete
disposal for all requirements.
The guarantee on this appliance is valid for 24 months from the first day of installation. 
Repairs to the electric, hydraulic or gas circuits may be carried out only by your local 
authorised MTS Servicing Centre. 
Every attempt has been made to avoid errors of any kind 
in this manual, the Management invites customers to inform 
of any inaccuracies which they may find. 
This will help to improve our service 
TABLE OF CONTENTS 
1.  G
ENERAL 
I
NFORMATION 
page  2 
Control Panel 
page  3 
2.  O
PERATING 
I
NSTRUCTIONS 
page  3 
3.  U
SEFUL 
I
NFORMATION  AND 
T
ROUBLESHOOTING 
page  5 
4.  M
AINTENANCE 
page  6 
5.  C
HANGE  OF 
G
AS 
T
YPE 
page  6 
6.  M
ECHANICAL 
T
IME 
C
LOCK 
page  6 
7.  Digital Programmer 
page  7 
I
MPORTANT
Please read this manual carefully.
For additional information, please consult the “Installation and Servicing Instructions.
Make sure to keep the manuals provided with the appliance so that they can be used by
the end-user, installer or our authorised engineer.
1. GENERAL INFORMATION 
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. 
All CORGI Registered Installers carry a CORGI ID card, and have a registration 
number. Both should be recorded in your boiler Logbook. You can check  your 
installer is CORGI registered by calling CORGI direct on :- (01256) 372300. 
This is a combined appliance for the production of Central Heating (C.H.) and Domestic 
Hot Water (D.H.W.). This appliance must be used only for the purpose for which it is 
designed. The manufacturer declines all liability for damage caused by improper or 
negligent use. 
Do not allow children or inexperienced persons to use the appliance without supervision. 
If you smell gas in the room, do not turn light switches on or off, use the telephone or any 
other object which might cause sparks. 
Open doors and windows immediately to ventilate the room. 
Shut the gas mains tap (on the gas meter) or the valve of the gas cylinder and call your 
Gas Supplier  immediately. 
If you are going away for a long period of time, remember to shut the mains gas tap or 
the gas cylinder valve. 
Before any intervention within the boiler it is first necessary to isolate the electrical 
supply by turning the external switch to “OFF”.