General Information; Advice For The Installer; Ce Labelling; Data Plate Symbols - Ariston CLAS ONE R 24 Installation And Servicing Instruction

OVERVIEW
ATTENTION!!
THE INSTALLATION AND FIRST
IGNITION OF THE BOILER MUST BE
PERFORMED BY QUALIFIED PERSONNEL
IN COMPLIANCE WITH CURRENT
NATIONAL REGULATIONS REGARDING
INSTALLATION, AND IN CONFORMITY WITH
ANY REQUIREMENTS ESTABLISHED BY
LOCAL AUTHORITIES AND PUBLIC HEALTH
ORGANISATIONS.
AFTER THE BOILER HAS BEEN INSTALLED,
THE INSTALLER MUST ENSURE THAT THE
END USER RECEIVES THE DECLARATION
OF CONFORMITY AND THE OPERATING
MANUAL, AND SHOULD PROVIDE ALL
NECESSARY INFORMATION AS TO HOW THE
BOILER AND THE SAFETY DEVICES SHOULD
BE HANDLED.

Advice for the installer

These appliance are designed for use on open vented central heating
systems. These appliances are designed for domestic use only.
It should be connected to a heating system and a distribution
network for domestic hot water, both of which must be compatible
with its performance and power levels.
The use of the appliance for purposes other than those specified is
strictly forbidden. The manufacturer cannot be held responsible for
any damage caused by improper, incorrect and unreasonable use of
the appliance or by the failure to comply with the instructions given
in this manual.
Installation, maintenance and all other interventions must be carried
out in full conformity with the governing legal regulations and the
instructions provided by the manufacturer. Incorrect installation
can harm persons, animals and possessions; the manufacturing
company shall not be held responsible for any damage caused as a
result. The boiler is delivered in a carton. Once you have removed all
the packaging, make sure the appliance is intact and that no parts
are missing. If this is not the case, please contact your supplier.
Keep all packaging material (clips, plastic bags, polystyrene foam, etc.) out
of reach of children as it may present a potential hazard.
In the event of a fault and/or malfunction, turn the appliance off,
turn off the gas cock and do not attempt to repair it yourself. Contact
a qualified professional instead.
Before any maintenance or repair work is performed on the boiler,
make sure you have disconnected it from the electricity supply
by switching the external bipolar switch to the "OFF" position and
removing the fuse.
All repairs, which should only be performed using original spare
parts, should be carried out by a qualified professional. Failure
to comply with the above instructions could compromise the
safety of the appliance and invalidate all liability on the part of the
manufacturer.
In the event of any maintenance or other structural work in the
immediate vicinity of the flue or flue gas exhaust devices and their
accessories, switch the appliance off by switching the external
bipolar switch to the "OFF" position and shutting off the gas control
valve. When the work has been completed, a qualified technician
must check the efficiency of the flue and the devices.
Turn the boiler off and turn the external switch "OFF" to clean the
exterior parts of the appliance.
Clean using a cloth dampened with soapy water. Do not use
aggressive detergents, insecticides or toxic products. If the appliance
4 /
is used in full compliance with current legislation, it will operate in a
safe, environmentally-friendly and cost-efficient manner.
If using kits or optional extras, make sure they are authentic.

CE labelling

The CE mark guarantees that the appliance conforms to the
following directives:
- 2009/142/CEE
relating to gas appliances
- 2004/108/CEE
relating to electromagnetic compatibility
- 92/42/CEE
relating to energy efficiency
- 2006/95/CEE
relating to electrical safety
- 2009/125/CE
Energy related Products
- 813/2013
Commission regulation (EU)
Symbols used on the data plate
1 1
3 3
8
9 12
13
10 11
19
Legend :
1. Brand
2. Manufacturer
3. Boiler model - Serial number
4. Commercial reference
5. certification number
6. Destination country - gas category
7. Gas setting
8. Installation type
9. Electrical data
10. Maximum domestic hot water pressure
11. Maximum heating pressure
12. Boiler type
13. NOx class / Efficiency
14. Input rating nominal heating
15. Power ouput heating
16. DHW specific flow rate
17. Boiler output efficiency
18. Input rating nominal DHW
19. Gases which may be used
20. Minimum ambient temperature for use
21. Max. central heating temperature
22. Max. domestic hot water temperature
2
4
5
6
7
MAX MIN
Q
P
15
60/80°C
16 18
17
20
21
22