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General information
1.1 - SYMBOLS USED IN THIS MANUAL
When reading this manual particular care has to be given to the parts marked with the followings symbols:
NOTE! Suggestions for the
user
WARNING! Indicates a potentially
dangerous situation for the product and
the environment
DANGER! Indicates serious
danger for your personal
safety and for your life
1.2 - A CORRECT USE OF THE APPLIANCE
The ALKON appliance has been designed utilizing today’s heating technology and in compliance with the
current safety regulations.
However, following an improper use, dangers could arise for the safety and life of the user or of other
people, or damage could be caused to the appliance or other objects.
The appliance is designed to be used in pumped hot water central heating systems and for the production
of domestic hot water.
Any other use of this appliance will be considered improper.
UNICAL declines any responsibility for any damages or injuries caused by an improper use; in this case the
risk is completely at the user’s responsibility.
In order to use the appliance according to the foreseen scopes it is necessary to carefully follow the
instructions indicated in this manual.
1.3 - WATER TREATMENT
•
The hardness of the mains water supply conditions the frequency with which the DHW heat exchanger is
cleaned.
•
In hard water areas where the main water can exceed 15°f total hardness, a scale reducing device is recom-
mended. The choice of this device has to be made taking into consideration the characteristics of the water.
•
In order to improve the resistance to lime scale it is recommended to adjust the domestic hot water temperature
as near as possible to the one you really require.
•
We recommend you to check the state of cleanliness of the domestic hot water heat exchanger at the end of the
first year and subsequently, on the basis of the lime scale found, this period can be extended to two years.
The user has to be instructed on the use and operation of his heating system, in particular:
• Hand over these instructions to the end user, together with any other literature regarding this appliance placed
inside the envelope contained in the packaging.
The user has to keep these documents in a safe place in
order to always have them at hand for future reference.
• Inform the user on the importance of air vents and of the flue outlet system, stressing the fact that is absolutely
forbidden to make any alterations to the boiler.
• Inform the user how to check the system’s water pressure as well as informing him how to restore the correct
pressure.
• Explain the function of time and temperature controls, thermostats, heating controls and radiators, to ensure the
greatest possible fuel economy.
• Remind the user that, in order to comply to the standards in force, it is necessary to inspect and service the boiler
according to the current codes of practice and according to the schedule indicated in this manual by the
manufacturer.
• If the appliance is sold or transferred to another owner or if the present user moves home and leaves the
appliance installed, ensure yourself that the manual always follows the appliance so that it can be consulted by
the new owner and/or installer.
Failure to follow the instructions indicated in this guide, which is supplied with the boiler, could cause injury
to persons, animals or damage to property. The manufacturer shall not be held liable for any such injury and/
or damage.
1.4 - INFORMATION TO BE HANDED OVER TO THE USER
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GENERAL INFORMATION
Содержание ALKON C 18
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