User’s
Manual
Dear Customer,
Thank you for choosing an ARISTON boiler.
We guarantee that your boiler is a reliable and technically sound product.
This User's 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.
G R O U P
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 User's Manual, the Management invites customers to inform
of any inaccuracies which they may find. This will help to improve our service
2
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 14 |
4. |
MAINTENANCE |
page 16 |
5. |
CHANGE OF GAS TYPE |
page 16 |
6. |
TIME CLOCK |
page 17 |
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.
3
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 4
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
GENERAL DATA |
|
|
|
23 kW |
27 kW |
Heating input max-min |
|
|
|
25.6-11.0 |
29.8-12.0 |
kW |
|||||
Heating output max-min |
|
kW |
|
23.8-9.7 |
27.8-10.5 |
Efficiency at Maximum Thermal Capacity (see |
|
% |
|
92.9 |
93.5 |
installation instructions) |
|
|
|
|
|
|
|
|
|
|
|
CENTRAL HEATING |
|
|
|
|
|
Operating Temperature max-min |
|
°C |
|
82-42 |
82-42 |
Maximum-Minimum Heating Pressure |
|
bar |
|
3-0.7 |
3-0.7 |
Built-in expansion vessel - Total capacity |
|
litres |
|
6 |
6 |
DOMESTIC HOT WATER |
|
|
|
|
|
Maximum-Minimum Temperature of |
|
|
|
|
|
Water for Domestic Use |
|
°C |
|
56-36 |
56-36 |
Working pressure max-min |
|
bar |
|
8-0.2 |
8-0.2 |
Flow rate ∆ T 25°C |
|
l/min |
|
13.6 |
? |
Flow rate ∆ T 35°C |
|
l/min |
|
9.7 |
? |
Minimum flow rate |
|
l/min |
|
2.6 |
2.6 |
ELECTRICAL DATA |
|
|
|
|
|
|
|
|
|
|
|
Electrical Supply/ Frequency |
|
V/Hz |
|
230/50 |
230/50 |
Power Consumption |
|
W |
|
140 |
155 |
Protection of Electrical System |
|
IP |
|
X4D |
X4D |
CATEGORY |
|
|
|
|
|
|
|
|
|
|
|
Nominal Pressure/Methane Gas (G20-G25) |
|
mbar |
|
20-25 |
20-25 |
Nominal Pressure/Liquid Gas (G30-G31) |
|
mbar |
|
30-37 |
30-37 |
|
|
|
|
|
|
5
CONTROL PANEL
23 MI
23/27 MFFI
6
LEGEND: |
|
|
A - On/Off knob |
K - Central heating temperature |
|
B - Domestic hot water temperature |
L.E.D (yellow) |
|
|
adjustment knob |
L - Time clock |
C - Central heating selection |
M - Heating system pressure gauge |
|
|
(winter) and temperature |
|
|
adjustment knob |
|
D - On/Off L.E.D. (green) |
|
|
E - Fume sensor L.E.D. (yellow) |
|
|
F - |
Ignition failure (lockout) |
|
|
L.E.D. (red) |
|
G - “Economy/Comfort” mode |
|
|
|
selection knob |
|
H - Ignition failure (lockout) and/or |
|
|
|
overheat reset button |
|
I - |
Overheat L.E.D. (red) |
|
J - |
Low system water level |
|
|
L.E.D. (red) |
|
7
2. OPERATING INSTRUCTIONS
CAUTION
Installation, start-up, adjustments and maintenance must be performed by a competent person only, in accordance with the current Gas Safety (Installation & Use) Regulations and the instructions provided. Improper installation may cause damage or injury to individuals, animals and personal property, for which the manufacturer will not be held liable.
To ensure efficient and safe operation it is recommended that the boiler is serviced annually by a competent person.
If it is known or suspected that a fault exists on the appliance, it must not be used until the fault has been corrected by a competent person.
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 “M”, make sure that the pressure is between 1.0 and 1.5 bar (the blue part on the gauge) when the system is off and cool. The warning L.E.D. “L” will indicate if the pressure is below the minimum recommended
M
8
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