MicroCombi
Users
Manual
2
Dear Customer,
Thank you for choosing an ARISTON
boiler.
We guarantee that your boiler is a reliable
and technically sound product.
This Users 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 12 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 Users Manual, the Management
invites customers to inform
of any inaccuracies which they may find.
This will help to improve our service
3
TABLE OF CONTENTS
1. GENERAL INFORMATION page 4
Technical Information page 5
Control Panel page 6
2. OPERATING INSTRUCTIONS page 8
3. USEFUL INFORMATION
AND TROUBLESHOOTING page 12
4. MAINTENANCE page 15
5. CHANGE OF GAS TYPE page 15
6. TIME CLOCK page 15
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.
4
1. GENERAL INFORMATION
MTS (GB) Limited support the
initiative. Your installer will give you, and
show you how to use, a logbook which will
give you important information about your
boiler, and heating system. Please have
this logbook 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
on light switches, 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 cut off the
electrical power supply by turning the
external switch to “OFF”.
This manual may be kept in the front
panel of the boiler.
TECHNICAL INFORMATION
5
GENERAL DATA
Heating input max-min
Heating output max-min
Efficiency at Maximum Thermal Capacity (see
installation instructions)
CENTRAL HEATING
Operating T emper ature max-min
Maximum-Minimum Heating Pressure
Built-in expansion vessel - Total capacity
DOMESTIC HOTWATER
Maximum-Minimum Temperature of
Water for Domestic Use
Working pressure max-min
Flow rate ∆T 35°C
Flow rate ∆T 35°C
Minimum flow rate
ELECTRICAL DATA
Electrical Supply/ Frequency
Power Consumption
Protection of Electrical System
CATEGORY
Nominal Pressure/Methane Gas (G20)
Nominal Pressure/Liquid Gas (G30-G31)
kW
kW
%
°C
bar
litres
°C
bar
l/min
gal/min
l/min
V/Hz
W
IP
mbar
mbar
25.6-11.0
23.7-9.6
92.5
82-42
3-0.7
6
54-36
8-0.2
9.7
2.2
2.5
230/50
135
X4D
20-25
30-37
23 kW
6
CONTROL PANEL
23 MFFI
FR019A
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