MBM BRG78A Manuel D'installation Et D'utilisation page 40

be, close the network gate valve (Fig. 3).
If it is necessary to replace the
nozzle to conform to another
type of gas supply, see the pro-
cedure described in the Operations
for commissioning (see chapter 5).
GAS TYPE CHANGE - see SECT.
IMAGES - REF. g)
The appliance comes from the
factory with setting to the type
of power indicated on the plate.
Any other configuration that changes
the parameters set must be authori-
zed by the manufacturer or by its re-
presentative.
The transformation from one
type of power to another must
be performed by qualified tech-
nical personnel authorized to per-
form the operation in question. The
correct procedure to be implemented
for the transformation is described in
the relevant manual.
Injectors - By Pass - Pilot injec-
tors - Apertures - and anything
necessary for any gas transfor-
mation must be requested directly
from the manufacturer.
At the end of the transformation
from one type of power to
another, change the label on the
appliance with new the parameters
reported on the adhesive document
provided.
Two plates may need to be repla-
ced in certain cases (oven equi-
pment), one outside near the
gas attachment and one inside (see
image ref. g).
ELECTRICAL CONNECTION
Electrical connection should be per-
formed in compliance with the local
regulations in force, only by authorised
and competent personnel. In the first
instance, examine the data shown on
THE PRESENT MANUAL IS PROPERTY OF THE MANUFACTURER. ANY REPRODUCTION, EVEN PARTIAL, IS PROHIBITED.
POWER SUPPLY CONNECTIONS
the technical data table of this manual,
on the serial plate and on the electrical
diagram. The envisaged connection is of
the fixed type.
earthing system the terminals marked
with the symbols placed on the line-recei-
ving terminal box. The earthing system
should comply with the local law in force.
SPECIFIC WARNINGS / The electrical
safety of this unit is assured only when
it is correctly connected to an efficient
earthing system as stated in the electri-
cal local safety regulations in force; the
Manufacturer declines any responsibility
for the non-compliance with these sa-
fety regulations.It is necessary to verify
this fundamental safety requisite and, in
case of doubt, ask for an accurate testing
of the system by professionally qualifi ed
personnel.The Manufacturer cannot be
deemed responsible for any damages
caused by the lack of unit earthing.
CONNECTION TO THE ELECTRIC
DISTRIBUTION NETWORKS - see
SECT. IMAGES - REF. h)
The equipment is delivered to work with
the voltage indicated on the technical
label attached on the appliance.. Any
other connection is to be considered im-
proper and therefore dangerous.
manufacturer, visible on the con-
nection label near the terminal
board.
- 12 -
Connect the equipment to an
overvoltage category III omnipo-
lar device.
EARTHING / It is essential to ear-
th the unit.To this purpose, it is ne-
cessary to connect to an efficient
Never interrupt the earth wire
(Yellow-Green).
If necessary, remove the terminal
box protection panel located on the
back of the machine.
It is mandatory to respect the
connection provided by the