- bring the short upper pipes together, insert all the screws, move the tray
holders together and tighten,
- insert the four lower screws in the short base pipes and tighten.
- move the central tray holders together and tighten,
Detail D
- check that all screws are tightened,
- insert the closing plugs at the ends of the pipes,
- insert plugs into all external pipe holes,
- turn the frame on its side and fix the wheels to the plate; the castor
wheels with brake at the front and the fixed wheels at the back, using
the screws,
- check that all the screws are firmly tightened.
2.5
CONNECTIONS
2.5.1
GAS CONNECTION
WARNING! Connection to the gas network must only be carried out
by specialised personnel with a proper license.
Check that the appliance has been set up to take the kind of gas that is
actually supplied.
Before connecting to the gas supply, check that the appliance supply
pressure is the one indicated in Tab.1, and that this pressure is
guaranteed to remain unchanged on a long term basis.
If the supply pressure is outside the values indicated, advise the gas
supply company and do not start up the appliance until the cause has
been identified and eliminated.
Connection to the gas network can be fixed or removable, a certified stop
tap must be fitted upstream of the oven.
If flexible pipes are used, they must be made of stainless steel according to
current standards and norms.
Use LOCTITE 577 sealant on the gas inlet pipe thread.
When connections have been completed, carry out a seal test with the aid
of a non-corrosive leak finder spray.
2.5.2
VAPOUR AND GAS EXHAUST
WARNING! The vapour and gas exhaust connection must be done
exclusively by qualified personnel.
Pizza ovens are type B11 equipment and require natural exhaust through a
chimney with an extractor switch system.
The extractor switch system is delivered with the oven.
For aeration of the area where the oven will be installed, see the
instructions in 2.4.
For connections, the following instructions must be complied with:
The vapour and gas exhaust pipe is located on the back of the oven (fig. 9
item C).
Fit the closing plug at the end of the exhaust (fig.9 item B) turning the
three screws provided; then fit the exhaust extractor switch itself (fig.9
item A).
Using a pipe:
Ø200 for P110G C/A-A2-B-B2
Ø250 for P110G C/A3-B3
of the kind commercially available, make the connection to the extractor
switch (Fig. 9 item A) in compliance with current exhaust fume discharge
requirements.
WARNING! The steam and exhaust gas extractor pipe will heat up
when the oven is working. Do not touch it, or you will burn yourself.
2.5.3
ELECTRICAL CONNECTION
WARNING! Electrical connection must only be carried out by
specialised personnel, in compliance with current local state Electric
Quality Assurance Corporation requirements.
- Before starting the connection procedure, check that the earthing
system is provided in accordance with European EN standards.
- Before starting the connection procedure, check that the main
power switch has been turned to the "off" position.
- The rating plate contains all the information necessary for proper
connection.
2.5.3.1 ELECTRICAL
CONNECTION
CHAMBER
WARNING! Each baking chamber must be fitted with a main
homopolar switch with fuses or an automatic switch suitable for the
values shown on the plate, to allow the single appliances to be
disconnected from the mains. The switch must have a contact aperture
of at least 3 mm.
NOTE! The device selected should be in the immediate vicinity of the
oven and within easy access.
Electrical supply for the equipment is 230 Vac 1 50/60Hz (see rating plate
fig.2 item A).
To carry out electrical connection, remove the protective cover located on
the rear side of the baking chamber (fig. 10). The connection cable must be
supplied by the installer.
Insert a cable with a minimum cross-section of 3 x 2,5 mm
raceway provided (fig.11 item A) and connect it to the terminal board as
illustrated in fig.12.
When connection has been completed, check that the supply voltage, with
the appliance running, does not differ from the rated value by more than
±10%.
WARNING! The flexible wire for connection to the power supply
must have characteristics at least equal to the model with rubber
insulation HO7RN-F and must have a rated section suited to the
maximum absorption.
WARNING! It is essential that the oven be properly earthed. A
special earth terminal has been provided for this purpose on the
connection terminal board (fig.12). It is marked with the earth symbol
and the earth wire must be connected to it.
These ovens must also be included in the unipotential system.
terminal to be used for this purpose is located at the back of the oven
(fig.11 item B).
It is marked with the symbol
2.5.3.2 ELECTRICAL CONNECTION OF THE LEAVENING
WARNING! The compartment must be fitted with a main homopolar
switch suitable for the values shown on the plate, to allow the single
appliances to be disconnected from the mains.
NOTE! The device selected should be in the immediate vicinity of the
appliance and within easy access.
The leavening compartment is delivered with a voltage of 230Vac. 1N
50/60 Hz, as indicated on the rating plate (fig. 2-part B).
To carry out electrical connection, remove the protective cover located on
the left hand rear side of the compartment (fig.13).
The connection cable must be supplied by the installer.
Insert a cable with a minimum cross-section of 3 x 2,5 mm
raceway provided (fig.14 item A) and connect it to the terminal board as
illustrated in fig.15. When connection has been completed, check that the
supply voltage, with the appliance running, does not differ from the rated
value by more than ±10%.
WARNING! The flexible wire for connection to the power supply
must have characteristics at least equal to the model with rubber
insulation HO7RN-F and must have a rated section suited to the
maximum absorption.
WARNING! It is essential that the oven be properly earthed. A
special earth terminal has been provided for this purpose on the
connection terminal board (fig.15). It is marked with the earth symbol
and the earth wire must be connected to it.
These ovens must also be included in the unipotential system. The
terminal to be used for this purpose is located at the back of the oven
(fig. 14-part B).
It is marked with the symbol
WARNING! The manufacturer declines any responsibility in the
event of failure to comply with the above safety precautions.
3
3.1
WARNING! Before commencing start-up and programming of the
oven, always check that:
all electrical and earthing connections have been properly made;
all gas and vapour exhaust connections have been properly made;
all control operations must be carried out by specialised technicians
holding a proper license.
3.1.1
Check that the oven (rated gas category and type) is set up for the type and
family of gas supplied. If this is not the case, convert to the type of gas
available.
OF
THE
BAKING
The oven must be put into operation using the nozzles foreseen for the
rated thermal capacity (see technical data TAB.1).
WARNING! The valve adjustment screws must not be tampered with:
they are calibrated and sealed in the factory.
3.1.2.
The rated thermal capacity is achieved with the nozzle indicated in the
table (see technical data TAB.1), the air feed opening (fig.21 item D) must
be at a distance X= see technical data TAB.1.
Operation depends on the inflow pressure available (see technical data
TAB.1):
UK/3
.
COMPARTMENT
.
OPERATION
PRELIMINARY CONTROL OPERATIONS
CHECKING NOZZLES
CHECKING THERMAL CAPACITY WITH LPG (G30-
G31)
2
in the cable
The
2
in the cable