ENGLISH
Important warnings
• This manual provides important indications on the safety of
operation, installation and maintenance, and is an integral
and essential part of the product. Read this manual before
installation and operation. It should be carefully kept for future
reference.
• This appliance must only be used for the purposes it has been
specifi cally designed for. This appliance is used to heat water
to below-boiling temperatures at atmospheric pressure, and
must be connected to a heating and/or domestic hot water di-
stribution system, according to its characteristics, performance
and heating capacity. All other uses are considered improper
and thus dangerous.
• The appliance may not be opened nor its components tam-
pered with, except for the parts included in the maintenance
operations. The appliance may not be modifi ed to alter its
performance or use.
• The installation and maintenance operations must be perfor-
med according to the standards in force, the instructions of
the manufacturer and must be carried out by professionally
qualifi ed personnel.
Appr. nr.
Serial number
Heat output
Q
P
Uselful heat output
PMS
Max operating
tmax
pressure
PMW
D
Electrical power
230V~50Hz
supply
0085AS0589
PIN
2
Dear Customer,
Thank you for having chosen the GN4 N, an advanced-concept Ferroli boiler featuring cut-
ting-edge technology, high reliability and constructional quality. Carefully read this manual
and keep it for future reference.
The GN4 N is a high-effi ciency heat generator for the production of hot water for heating
purposes, suitable for operation with jet burners on gas or liquid fuel.
The boiler body consists of cast-iron elements, the shape of which, together with the careful
design of the fi ns, ensure high heat exchange effi ciency in all operating conditions.
08/250
Ser. n. 0352L50349
max
min
270
160
-
kW
250
150
-
kW
6
bar
°C
100
bar
l/min
H
O
163 L
2
IP X 0D
0085
• Incorrect installation or poor maintenance may cause damage
to people, animals or things. The manufacturer declines all
liability for damage deriving from errors in the installation and
operation of the appliance, and in any case from the failure to
observe the instructions provided.
• Before performing any cleaning or maintenance operations,
disconnect the appliance from the mains power supply using
the system switch and/or the corresponding on-off devices.
• In the event of faults and/or poor operation of the appliance, it
should be deactivated. Do not attempt to repair the appliance.
Contact professionally qualifi ed personnel only.
• After having removed the packaging, check that the contents
are intact. The parts of the packaging must not be left within the
reach of children, as they are potential sources of danger.
Max operating
pressure temperature
Water content
Certifi cation
Bar code
The CE Mark attests that Ferroli appliances
conform to the requirements specifi ed in the
applicable European directives.
In particular, this appliance conforms to the
following EEC directives:
• Gas directive 90/396
• Effi ciency directive 92/42
• Low voltage directive 73/23 (amended by 93/
68)
• Electromagnetic compatibility directive 89/336
(amended by 93/68)
GN4 N