User Manual
Gas red condensing wall hung boiler
G.C.N : 41-116 - 30 (12 kW)
G.C.N : 41-116 - 31 (18 kW)
G.C.N : 41-116 - 32 (24 kW)
CLAS HE R 12
CLAS HE R 18
CLAS HE R 24
Country of destination GB, IE
user manual
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 the correct use of the appliance.
Remember to keep this manual in a safe place for future reference i.e. by the boiler.
Your local MTS Servicing Centre is at your complete disposal for all requirements.
The installation and rst ignition of the boiler
must be performed by qualied personnel in
compliance with current national regulations
regarding installation, and in conformity with
any requirements established by local authorities
and public health organisations.
All CORGI registered installers carry a CORGI
ID card, and have a registration number. Both
should be recorded in the Benchmark Log Book.
You can check your installer is CORGI registered
by calling CORGI directly on:- 0800 915 0485
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.
This appliance is designed to produce central heating
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 specied 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.
In the event of any maintenance or other structural
work in the immediate vicinity of the ducts or ue
gas exhaust devices and their accessories, switch
the appliance o by switching the external bipolar
switch to the “OFF” position and shutting o the gas
valve.
When the work has been completed, ask a qualied
technician to check the eciency of the ducting and
the devices.
If the boiler should be out of use for a prolonged
period, it is recommended that the electrical power
supply be disconnected and that the external gas
cock be closed. If low temperatures are expected,
the boiler and system pipe work should be drained
in order to prevent frost damage.
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Turn the boiler o and turn the external switch “OFF”
to clean the exterior parts of the appliance.
Do not allow children or inexperienced persons to
use the appliance without supervision.
CE labelling
The CE mark guarantees that the appliance conforms
to the following directives:
- 90/396/CEE
relating to gas appliances
- 2004/108/CEE
relating to electromagnetic compatibility
- 92/42/CEE
relating to energy eciency
- 2006/95/CEE
relating to electrical safety
The Benchmark Scheme
MTS is a licensed member of the Benchmark Scheme
which aims to improve the standards of installation
and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimise safety, eciency and performance.
Benchmark is managed and promoted by the Heating and Hotwater Industry Council. For more information visit www.centralheating.co.uk
Please ensure that the installer has fully completed
the Benchmark Checklist on the inside back pages
of the installation instructions supplied with the product and that you have signed it to say that you have
received a full and clear explanation of its operation.
The installer is legally required to complete a commissioning checklist as a means of complying with
the appropriate Building Regulations (England and
Wales).
All installations must be notied to Local Area Building Control either directly or through a Competent
Persons Scheme. A Building Regulations Compliance
Certicate will then be issued to the customer who
should, on receipt, write the Notication Number on
the Benchmark Checklist.
This product should be serviced regularly to optimise
its safety, eciency and performance. The service engineer should complete the relevant Service Record
on the Benchmark Checklist after each service.
The Benchmark Checklist may be required in the
event of any warranty work and as supporting documentation relating to home improvements in the
optional documents section of the Home Information Pack.
user manual
GUARANTEE
The manufacturer’s guarantee is for 2 years from the date of purchase. The guarantee is invalidated if
the appliance is not installed in accordance with the recommendations made herein or in a manner not
approved by the manufacturer. To assist us in providing you with an ecient after sales service, please
return the guarantee registration card enclosed with the boiler without delay.
Ariston only obligation under the guarantee will be to repair or replace the faulty appliance at Ariston
discretion. This will be carried out where the fault arises from defects within the appliance, caused either
by material or workmanship of the manufacturer.
This guarantee does not protect malfunction or damage arising from incorrect installation, commissioning
or maintenance procedures as laid out in the installation and servicing manual, inefficient flue system, poor
or incorrect electricicty, wrong gas supply or pressure, tampering by inexperienced persons and any other
cause not directly due to manufacture.
MTS (GB) Limited cannot accept responsibility for any cost arising from repair or maintenance carried out
by any third party.
Repair under the guarantee does not affect the expiry date of the guarantee. The guarantee on parts and
appliances which are exchanged ends when the guarantee on the original appliance expires.
This guarantee does not affect your statutory rights.
You must have your boiler serviced at the end of the first year to validate your guarantee for the second
year and ensure the Benchmark Service Interval Record is completed.
Safety regulations
Key to symbols:
Failure to comply with this warning implies the
risk of personal injury, in some circumstances
even fatal.
Failure to comply with this warning implies the
risk of damage, in some circumstances even
serious, to property, plants or animals.
Do not perform operations which involve
opening the appliance.
Electrocution from live components.
Personal injury caused by burns due to overheated components, or wounds caused by
sharp edges or protrusions.
Do not perform operations which involve
removing the appliance from its installation
space .
Electrocution from live components.
Flooding caused by water leaking from disconnected piping.
Explosions, res or intoxication caused by gas
leaking from disconnected piping.
Do not damage the power supply cable.
Electrocution from live uninsulated wires.
Do not leave anything on top of the appliance.
Personal injury caused by an object falling o
the appliance as a result of vibrations.
Damage to the appliance or items underneath
it caused by the object falling o as a result of
vibrations.
Do not climb onto the appliance.
Personal injury caused by the appliance falling.
Damage to the appliance or any objects underneath it caused by the appliance falling
away from its installation space.
Do not climb onto chairs, stools, ladders or
unstable supports to clean the appliance.
Personal injury caused by falling from a height
or cuts (step ladders shutting accidentally).
Do not attempt to clean the appliance
without rst switching it o and turning the
external switch to the OFF position.
Electrocution from live components.
Do not use insecticides, solvents or aggressive detergents to clean the appliance.
Damage to plastic and painted parts.
Do not use the appliance for any use other
than normal domestic use.
Damage to the appliance caused by operation
overload.
Damage caused to objects treated inappropriately.
Do not allow children or inexperienced individuals to operate the appliance.
Damage to the appliance caused by improper
use. If you detect a smell of burning or smo-
ke coming from the appliance, disconnect
it from the electricity supply, turn o the
main gas valve, open all windows and call
for assistance.
Personal injury caused by burns, smoke inhalation, intoxication.
If there is a strong smell of gas, turn o the
main gas valve, open all windows and call
for assistance.
Explosions, res or intoxication.
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