3
The user must be instructed concerning the use and operation of his heating system, in particular:
• Deliver these instructions to the user, as well as other documents concerning the appliance inserted in the envelope
inside the packaging.
The user must keep this documentation safe for future consultation
.
• Inform the user about the importance of the air vents and the flue gas exhaust system, highlighting their indispen-
sable nature and strict prohibition of modifying them.
• Inform the user concerning controlling the system's water pressure as well as operations to restore it.
• Inform the user concerning correct temperature control, control units/thermostats and radiators for saving energy.
• Remember that the system must receive regular maintenance at least 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 manual accompanies it in order to be consulted by the new owner and/or installer.
The manufacturer will not be held liable in the event of damage to persons, animals or objects resulting from
failure to comply with the instructions contained in this manual.
4 - INFORMATION PROvIDED TO THE USER
BY THE INSTALLATION/MAINTENANCE TECHNICIAN
5 - SAFETY WARNINGS
ATTENTION!
The appliance must be installed, adjusted and maintained by professionally qualified personnel, in compli-
ance with standards and provisions in force. Incorrect installation can cause damage to persons, animals
and objects for which the manufacturer cannot be held responsible.
DANGER!
NEvER attempt performing maintenance or repairs on the boiler on your own initiative.
Any work must be done by professionally qualified personnel, authorised by Unical. We recommend stip-
ulating a maintenance contract.
Insufficient or irregular maintenance can jeopardise the operating safety of the appliance and cause damage
to persons, animals and objects for which the manufacturer cannot be held responsible.
Modifying parts connected to appliance
Do not modify the following parts:
- the boiler
- the gas, air, water and electricity lines
- the flue gas pipe, safety valve and heating water drain pipe
- the construction parts which affect the operating safety of the appliance.
Smell of gas
Should a smell of gas be perceived, follow these safety guidelines:
- do not turn electric switches on or off
- do not smoke
- do not use the telephone
- close the gas shut-off valve
- air out the area where the gas leakage has occurred
- inform the gas supplier or a company specialised in installation and maintenance of heating systems.
Explosive and easily flammable substances
Do not use or store explosive or easily flammable materials (e.g. petrol, paints, paper) in the room where the ap-
pliance is installed.
