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General informations
1.1 - SYMBOLS USED IN THIS GUIDE
When reading this guide 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 - CORRECT USE OF THE APPLIANCE
The appliance has been designed utilizing today’s technical level 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 hot water central heating systems, with a dedicated loading pump for the D.H.W. storage
cylinder. 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 scopes it was designed for it is essential to
carefully follow the instructions indicated in this guide.
1.3 - WATER TREATMENT
•
The hardness of the mains water supply conditions the frequency with which the heat exchanger is cleaned.
•
In hard water areas where the main water can exceed 15°f total hardness, a scale reducing device is
recommended. 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.
•
Remind the user that the control and the servicing of the appliance have to be performed in conformity to
the prescriptions and with frequency stated by the manifactured.
•
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.
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GENERAL INFORMATIONS
1.4 - INFORMATION TO BE HANDED OVER TO THE USER