For qualified technicians
Please read carefully prior
to installation and mainte-
nance
CAUTION!
Observe the safety instructions of this installation and
maintenance manual before placing the boiler in oper-
ation.
DANGER!
If installation, adjustment, modification, operation or
maintenance of the heating system is carried out by
an unqualified person, this may result in danger to life
and limb or property damage. The directions of this
installation and maintenance manual must be fol-
lowed precisely. Contact a qualified service com-
pany, service provider or the gas company if support
or additional information is required.
CAUTION!
The operating manual is a component of the techni-
cal documentation and must be handed over to the
operator of the heating system. Discuss the instruc-
tion in this manual with the owner or operator of the
heating system to ensure that they are familiar with all
information required for operation of the heating sys-
tem. If the boiler will be installed in Massachusetts, it
must be installed by an installer or dealer who is reg-
istered there.
Installation and servicing
instructions
Gas condensing boiler
Logano plus GB312
7 747 010 719 - 06/2009 US
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