• Carefully read the warnings in this instruction
booklet since they provide important infor-
mation on safe installation, use and mainte-
nance.
• This instruction booklet is an integral part of
the product and must be carefully kept by the
user for future reference.
• If the unit is sold or transferred to another
owner or if it is to be moved, always make
sure that the booklet accompanies the boiler
so that it can be consulted by the new owner
and/or installer.
• Installation and maintenance must be carried
out by professionally qualified personnel,
according to current regulations and the
manufacturer's instructions.
• Incorrect installation or poor maintenance can
cause damage or physical injury. The manufac-
turer declines any responsibility for damage
caused by errors in installation and use or by
failure to follow the manufacturer's instruc-
tions
• Before carrying out any cleaning or mainte-
nance operation, disconnect the device from
electrical power supply using the switch and/or
the special cutoff devices.
62
This symbol indicates "Caution"
and is placed next to all safety
warnings. Strictly follow these
instructions in order to avoid
danger and damage to persons,
animals and things.
This symbols calls attention to a
note or important notice
cod. 3540P900 - Rev. 01 - 03/2018
GASTER N 51 ÷ 102 AW
• In case the unit breaks down and/or functions
poorly, deactivate it, do not make any attempt
to repair it or directly intervene. Contact pro-
fessionally qualified personnel.
• Any repair/replacement of products must only
be carried out by qualified professional person-
nel using exclusively genuine parts. Failure to
comply with the above could affect the safety
of the unit.
• Yearly maintenance carried out by qualified
personnel is essential for guaranteeing good
operation of the unit.
• This unit must only be used for the purpose for
which it was designed. Any other use is con-
sidered improper and therefore hazardous.
• After removing the packing, check the integrity
of the contents.
• Packing materials must not be left within the
reach of children as they are potentially hazard-
ous.
• In case of doubt do not use the unit, and contact
the supplier.