Ariston 24 MFFI, 31 MFFI, 28 MFFI User Manual

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Ariston 24 MFFI, 31 MFFI, 28 MFFI User Manual

End User

Manual

microGENUS II 24 MFFI microGENUS II 28 MFFI microGENUS II 31 MFFI

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Country of destination: GB/IE

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.

GENERAL INFORMATION

page

2

 

Control Panel

page

3

2.

OPERATING INSTRUCTIONS

page

3

3.

USEFUL INFORMATION AND TROUBLESHOOTING

page

5

4.

MAINTENANCE

page

6

5.

CHANGE OF GAS TYPE

page

6

6.

MECHANICAL TIME CLOCK

page

6

7.

Digital Programmer

page

7

IMPORTANT!

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”.

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CONTROL

PANEL

 

 

I

J

K

 

 

 

 

 

E

 

C

 

 

 

 

 

 

 

 

I

 

 

 

 

3

4

 

 

 

3

4

2

5

 

 

 

2

 

1

 

 

 

 

 

 

5

6

 

 

 

 

 

 

 

 

 

1

 

6

 

 

 

2. OPERATING INSTRUCTIONS

K

LEGEND:

A - On/Off Switch

B - Domestic Hot Water Temperature Adjustment

C - Central Heating Temperature Adjustment

D - Reset Button

E - Comfort Mode Selector

F- Hot Water (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

K-Central Heating System Pressure Gauge

CAUTION

In the United Kingdom installation, start-up, adjustments and maintenance must be performed by a CORGI Registered Installer in accordance with the installation standards currently in effect, as well as with any and all local health and safety standards i.e.. CORGI.

In the Republic of Ireland the installation and initial start up of the appliance must be carried out by a Competent Person in accordance with the current edition of I.S.813 “Domestic Gas Installations”, the current Building Regulations, reference should also be made to the current ETCI rules for electrical installation.

HELPFUL SUGGESTIONS

To get the most out of your boiler, we have provided you with some useful advice on proper use and maintenance:

-Periodically check the system pressure using the pressure gauge “D”, make sure that the pressure is at 1.5 bar when the system is off and cool. If the pressure is below the minimum recommended value (1 bar). To refill the system, open the two black handles connected to the silver flexible hose, once the pressure gauge “K” reads 1.5 bar close the valves again.

NOTE: DO NOT UNDER ANY CIRCUMSTANCES USE THE APPLIANCE WITH THE PRESSURE GAUGE READING ZERO.

-The outer panels of the unit's case must only be cleaned with a damp cloth. Do not use abrasive cleaners. The control panel can be wiped with either a damp or dry cloth. Spray polishes must not be used on the control panel surface or knobs. Care must be taken to prevent any liquid from entering the appliance.

PRACTICAL 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

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