General Warnings - Beretta Junior 24 C.A.I. Manuel D'installation Et D'utilisation

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  • FRANÇAIS, page 9
ENGLISH
After each intervention on the adjustment element of the gas valve, seal
it with sealing varnish.
When adjustment is complete:
- restore set temperature with the ambient thermostat to the desired
temperature
- set the heating water temperature selector to the desired position
- close the instrument panel
- pull the shell back in place.
4.6 Gas conversion operations
Conversion from a family gas to other family gas can be performed easily also
when the boiler is installed.
The boiler is designed to operate with methane gas (G20) according to the
product label.
It is possible to convert the boilers from one gas type to another by using the
appropriate kit supplied upon request:
- Methane conversion kit
- LPG conversion kit
For disassembly refer to instructions below:
- remove power supply from the boiler and close the gas tap
- remove in sequence: shell, lower housing and combustion chamber
- disconnect the spark plug cable connection
- slide off the lower cable grommet from the seat of the air distribution box
- remove the burner fixing screws and remove the latter with the spark plug
attached and corresponding cables
- using a socket or fork spanner, remove the nozzles and the washers and
replace them with the ones in the kit (fig. 21).
Use and assemble the washers contained in the kit also in case of
manifolds without washers.
- reinsert the burner in the combustion chamber and tighten the screws fixing
it to the gas manifold
- refit the combustion chamber cover and the lower housing
- restore connection of the spark plug cable
- overturn the control instrument panel towards the boiler front part
- open the card cover
- on the control card (fig. 19):
- if the conversion is from methane gas to LPG, insert the jumper in posi-
tion JP3
- if the conversion is from LPG to methane gas, remove the jumper from
position JP3
- reposition the components previously removed
- restore voltage to the boiler and reopen the gas tap (with boiler in operation,
check correct seal of the gas feeding circuit connections).
Conversion must be carried out by qualified personnel.
After conversion, adjust the boiler again following the indications
in specific section and apply the new identification label contained
in the kit.
5 MAINTENANCE
To ensure product characteristics and efficiency remain intact and to comply
with prescriptions of current regulations, it is necessary to render the appli-
ance to systematic checks at regular intervals.
Control frequency depends on the installation and use conditions, but it is
therefore necessary an annual check-up by the authorised personnel from
the Technical Assistance Service.
Turn off the appliance to carry out the maintenance of the structure near
the flue exhaust connections or devices, and their accessories. Once the
interventions are finished a qualified technician must check that the pipes
and the devices work correctly.
IMPORTANT: before carrying out any cleaning or maintenance operation of
the appliance, use the appliance and system switch to interrupt power supply
and close the gas supply turning the tap placed on the boiler.
Do not clean the appliance or its parts with inflammable substances (e.g.
petrol, alcohol, etc.).
Do not clean panels, painted parts and plastic parts with paint thinner.
Panel cleaning must be carried out only with soapy water.
5.1 Check the combustion parameters
To carry out the combustion analysis, proceed as follows:
- open the hot water tap to its maximum output
- set the mode selector to summer "
temperature selector to the maximum value (fig. 22)
- Insert the flue gas sampling connector in the straight section of pipe after
the hood outlet.
6
" (fig. 22) and the domestic hot water
The hole for inserting the gas analysis probe must be made in the straight
section of pipe after the hood outlet, compliance with applicable legislation
(fig. 23).
Insert the flue gas analysis probe completely.
- Power the boiler
The appliance works at maximum output and it is possible to check
combustion.
After analysis is complete:
- close the hot water tap
- remove the gas analyser probe and close the combustion analysis con-
nector.
USER
1A GENERAL wARNINGS
The instruction manual is an integral part of the product and it must therefore
be kept carefully and must accompany the appliance; if the manual is lost or
damaged, another copy must be requested from the Technical Assistance
Service.
Boiler installation and any other assistance and maintenance opera-
tion must be carried out by qualified personnel according to indications
of current local regulations.
For installation, it is advisable to contact specialised personnel.
The boiler must only be used for the application foreseen by the
manufacturer. The manufacturer shall not be liable for any damage to
persons, animals or property due to errors in installation, calibration,
maintenance or due to improper use.
The safety and automatic adjustment devices must not be modified,
during the system life cycle, by the manufacturer or supplier.
This appliance produces hot water, therefore it must be connected
to a heating system and/or a domestic hot water mains, compatible
with its performance and output.
In case of water leakage, close the water supply and contact the
Technical Assistance Service immediately.
In case of absence for long periods time, close the gas supply and
switch off the electrical supply main switch. In case of risk of frost,
empty the boiler.
From time to time check that the operating pressure of the hydraulic
system does not decrease under 1 bar.
In case of failure and/or malfunctioning, deactivate the appliance,
and do not try to repair or intervene directly on it.
Appliance maintenance must be carried out at least once a year:
program it with the Technical Assistance Service will avoid wasting
time and money.
Boiler use requires to strictly observe some basic safety rules:
Do not use the appliance in any manner other than its intended pur-
pose.
It is dangerous to touch the appliance with wet or damp body parts
and/or in bare feet.
Under no circumstances cover the intake grids, dissipation grids and
ventilation vents in the installation room with cloths, paper or any other
material.
Do not activate electrical switches, telephone or any other object that
causes sparks if there is a smell of gas. Ventilate the room by opening
doors and windows and close the gas central tap.
Do not place anything in the boiler.
Do not perform any cleaning operation if the appliance is not discon-
nected from the main power supply.
Do not cover or reduce ventilation opening of the room where the
generator is installed.
Do not leave containers and inflammable products in the installation
room.
Do not attempt to repair the appliance in case of failure and/or mal-
functioning.
It is dangerous to pull or twist the electric cables.
Children or unskilled persons must not use the appliance.
Do not intervene on sealed elements.
For better use, remember that:
- a periodic external cleaning with soapy water not only improves its
aesthetic aspect but also preserves panelling from corrosion, extending
its life cycle;
- if the wall-mounted boiler is enclosed in pendant furniture, leave at least
5 cm for ventilation and maintenance;

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