5
1. GENERAL INFORMATION
●
After the removal of all the packaging, check that the appliance has not been damaged. In case of doubt, do
not attempt to use the product but refer to the supplier. Packing materials (cardboard box, wooden crate,
nails, staples, plastic bags, polystyrene, etc.) must not be left within reach of children in that these items
represent a potential hazard and must be disposed of in a responsible manner.
●
Before carrying out any cleaning or maintenance operations, disconnect the appliance from the mains elec-
tricity supply by switching off at the main switch and/or any other isolating device.
●
Do not obstruct the air intake or
fl
ue exhaust grills.
●
Do not obstruct the air intake or
fl
ue exhaust terminals.
●
In the case of a fault and/or malfunction in the appliance, shut down the system. Do not interfere with or
attempt any repairs. Call for professionally quali
fi
ed authorised technical service only.
●
Any warranty repairs to the appliance must be carried out exclusively by the manufacturer’s authorised
service centre using original spare parts. Non-compliance with the above requirements may compromise
the safety of the appliance and invalidate the warranty. In order to guarantee the ef
fi
ciency of the appliance
and its correct operation, it must be serviced regularly by professionally quali
fi
ed personnel in line with the
manufacturer’s instructions.
●
When the appliance is no longer required for use, any parts that may constitute potential sources of danger
must be rendered harmless.
●
Only original accessories or optional extras (including electrical parts) must be used with the appliance.
●
As dictated by current legislation, this appliance must be installed exclusively by qualified personnel. Before
starting the boiler for the
fi
rst time, make sure that it is connected to a water supply and central heating
system compatible with its performance characteristics.
Thank you for choosing ALARKO brand.
This booklet covers premix condensing boiler model SRD 20/27/36 natural gas/LPG combination
boilers in SERADENS boiler range.
In this booklet you will
fi
nd the instructions for use in USE section and instructions for installation
and maintenance in INSTALLATION AND MAINTENANCE section.
Professionally quali
fi
ed personnel in accordance with current laws and standards and in line with
the manufacturer’s instructions must install the appliance.
With ‘Professionally quali
fi
ed personnel’ is intended a personnel with technical knowledge in the
fi
eld of installation and maintenance of components for central heating and domestic hot water
production systems for domestic and industrial use.
The appliance must be used solely for the purpose for which it has been designed and manufac-
tured: central heating and domestic hot water production. Any other use is deemed as improper
and as such dangerous. Under no circumstances will the manufacturer be held responsible for
damage or injury to persons or animals caused by errors in the installation and/or use of the appli-
ance, or through non-compliance with current local and national standards and/or the manufacturer’s
instructions.
The use, installation, operation and maintenance manual forms an integral and essential part of
the product and must be kept near the appliance always.
This manual must be kept in a safe place and made available for any future reference. If the appli-
ance is sold or transferred to a different owner, this must follow the appliance to be red by the new
owner and/or installer.
For further information, please consult to the product introduction brochure or authorized dealers
and services.
The warnings contained in this chapter have been written for the appliance user, the installer and
the service engineer.
The user manual must be red carefully as it provides information on the operation and the operating
limits of the appliance.
This appliance must be used exclusively in a pressurised central heating system.
1.1 General Warnings
