Instruction manual

3
General Information
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:
1.2 - CORRECT USE OF THE APPLIANCE
The PKX 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. 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 (refer to specific guide)
1
GENERAL INFORMATION
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
• 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.
• 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 every two years; in this occasion check the state of wear of the
anode.
1.4 - INFORMATION TO BE HANDED OVER TO THE USER
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 it is obligatory to carry out a comprehensive service annually and a combustion analysis
every two years (in compliance with the national law).
• 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.