21
BCM
M
R
G
3.8 CONNECTION
G
GAS
G 2’’
M
FLOW
G 2½’’
R
RETURN
G 2½’’
DANGER!
The gas connection must be installed and
commissioned by an authorised Gas Safe
registered engineer who must observe and adhere
to the Gas Safety (Installation and Use)
regulations 1998 and the local requirements of the
gas supply company, as incorrect installation can
cause damage to people, animals and property, for
which the manufacturer will not be held liable.
If you notice the smell of gas:
a) Do not work the electrical switches, the telephone
or any other object that can generate sparks;
b) Immediately open doors and windows to create an
air current that pur
ifies t
he room;
c) Close the gas valves;
d) Seek the assistance of professionally qualified
personnel.
In order to prevent any gas leaks it is advisable
to install a surveillance and protection system
composed of a gas leak detector combined with a
cut-off electrovalve on the fuel supply line.
Make sure the pipes in the system are not used as
earthing connections for the electrical or telephone
system.
Th
ey are absolutely not suitable for this purpose.
Serious damage to pipes, boiler and radiators could
occur in a short amount of time.
ATTENTION!
IT IS ABSOLUTELY FORBIDDEN TO SET UP CUT-
OFF DEVICES ON THE GENERATOR BEFORE THE
SAFETY DEVICES.
The gas supply pipe must be connected to the boiler using a 2" BSP
threaded fitting as indicated in Section 2.3.
The supply pipe must have a section equal to or
larger than the one used
in the boiler and must provide the correct gas pressure.
It is advisable to adhere to the standard specifications and requirements
in force, installing a gas supply isolation valve, gas filter, anti-
vibration joint, etc.
The gas supply pipe to the boiler must be tested for tightness and purged
referring to IGE/UP/1 and 1A.