Ariston ACO 35 User Manual

End User
Manual

ACO 35 MFFI COMBI

Country of destination: GB/IE

Dear Customer,

hank you for choosing an ARISTON boiler.

T

e guarantee that your boiler is a reliable and

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technically sound product.
This manual provides detailed instructions and
recommendations for proper installation,
use and maintenance.

emember to keep this manual in a safe place

R

or future reference i.e. by the gas meter.

f

TABLE OF CONTENTS

1. GENERAL INFORMATION page. 3

2. CONTROL PANEL page. 4

3. OPERATING INSTRUCTIONS page. 5

4. US

5. MECHANICAL TIME CLOCK page. 9

6. DIGITAL PROGRAMMER page. 10

EFULINFORMATION

page. 8

Your local MTS Servicing Centre is at your

omplete disposal for all requirements.

c

GUARANTEE

The guarantee on this appliance is

valid for 60 months from the first

day of installation,

subject to an annual service

carried out by a qualified

service engineer.

Repairs to the electric, water or

gas circuits may only be carried

out by your local authorised

MTS Servicing Centre.

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.

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.

2

. GENERAL INFORMATION

1

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

oiler Log Book. You can check your installer is CORGI reg-

b
istered by calling CORGI direct on :- [phone].

The ACO MFFI range of boilers are combined appliances for the

roduction of Central Heating (C.H.) and Domestic Hot Water

p
(D.H.W.).

his appliance

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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,
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 power supply by turning the external
switch to “OFF”.

ust be used onlyfor the purpose for which it is

m

do not turn on light switches, use

3

2. CONTROL PANEL

A

B

C

35 MFFI

I

H

G

F

E

Fig. 3.6

Button Description

ON/OFF Switch

“COMFORT” Function Push-button

Reset Button/
Flue Test**/ scroll through Functions Menu

Menu Switch

Programming “+” key

Programming “-” key

A

B

C

D

E

F

D

Description

Green LED
(illuminated = burner on)

Time clock

Selector knob for Summer/Winter
Central Heating Temperature Adjustment Knob

Control Panel Cover

Domestic Hot Water Temperature Adjustment Knob

Heating System Pressure Gauge

** IMPORTANT!!
The Flue Test function will cause the boiler to run continuously on
maximum power. This function must only be activated by an autho­rised engineer.

4

G

H

“COMFORT” Function L.E.D

Red LED
(illuminated = boiler lockout)

I

Multi-function Display