General Information
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1.1 - SYMBOLS USED IN THE MANUAL
Pay special attention when reading this manual to the parts marked by the symbols:
NOTE!
Suggestions for the user
ATTENTION!
Possible hazardous situation
for the product and the environment
DANGER!
Serious danger for
personal safety and life
1.2 - APPROPRIATE USE OF APPLIANCE
The
AIREX appliance has been built according to the current level of engineering and acknowledged tech-
nical safety rules.
Nonetheless, if improperly used, dangers could arise for the safety and the very life of the user and other
persons or damage to the equipment or other objects.
The appliance is intended to operate in hot air circulation heating systems.
Any other use must be considered improper.
UNICAL shall not be held liable for any damage resulting from improper use; in this case the user is fully
responsible for the risk.
Use according to the intended purposes also includes careful compliance with the instructions in this manual.
1.3 - WATER TREATMENT (see specific booklet)
• The hardness of the feed water conditions the frequency at which the domestic hot water exchanger must be
cleaned.
• If the water has a hardness greater than 15°f, we recommend using water softeners, chosen according to the
characteristics of the water.
• We recommend checking and cleaning the domestic hot water exchanger at the end of the first year of use and
every two years thereafter; on this occasion, also check the state of wear of the anode.
1.4 - INFORMATION FOR SYSTEM MANAGER
• The system manager must be instructed concerning the use and operation of his heating system, in particular:
• Give the system manager these instructions, as well as the other appliance documents inserted in the envelo-
pe inside the packaging.
The system manager must keep this documentation for future consultation
.
• Inform the system manager about the importance of the air vents and the flue gas exhaust system, pointing out
their essential features and the absolute prohibition of modifying them.
• Inform the system manager concerning control of the system’s water pressure as well as operations to restore it.
• Inform the system manager concerning correct control of temperatures, control units/thermostats and radiators
to save energy.
• Remember that the system must receive regular maintenance once a year and a combustion analysis must be
performed in the timetable foreseen by standards in force.
• Should the appliance be sold or transferred to a new owner or if you move and leave the appliance, always make
sure that the instruction booklet accompanies it in order to be consulted by the new owner and/or installer.
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GENERAL INFORMATION
Attention: this manual contains instructions for the exclusive use of the professionally qualified installer and/
or maintenance technician in compliance with current legislation.
The user is NOT qualified to intervene on the boiler.
The manufacturer will not be held liable in case of damage to persons, animals or objects resulting from failure
to comply with the instructions contained in the manuals supplied with the boiler.
