39
Maintenance instructions
ENGLISH
4.4 - ADAPTATION
TO THE USE OF OTHER GAS
The boilers are produced for the type of gas specif-
ically requested upon ordering.
DANGER!
The conversion for the operation of
the boiler with a type of gas other than
that specifically required in the order,
must be performed by professionally
qualified personnel, in compliance
with the standards and regulations
in force.
The manufacturer cannot be held
liable for any damage resulting from
a conversion operation that is incor-
rect or not performed in compliance
with the laws in force and/or with the
instructions given.
ATTENTION!
After performing the conversion for
the operation of the boiler with a type
of gas (e.g. propane gas) other than
that specifically requested when or
-
dering, the appliance will only work
with this new type of gas.
ATTENTION!
Indications for propane gas-fired ap
-
pliances
Make sure that the gas tank has been
deaerated before installing the appli-
ance.
For state-of-the-art deaeration of the
tank, contact the LPG supplier or a
person qualified in compliance with
law.
If the tank has not been professionally
deaerated, ignition problems could
arise.
In that case, contact the supplier of
the LPG tank.
To convert the boiler from one type of gas to
another, proceed as follows:
- Disconnect the appliance from the elctrical power
supply;
- Access the modulation board contained in the elec-
tric panel and position the jumper in the position
corresponding to the new type of gas indicated in
the figure;
- Close the electric panel and restore the appliance's
electric power supply;
- Check the pressure value upstream of the gas
valve (see table “NOZZLES - PRESSURE”) and
adjust the CO
2
as indicated in paragraph “3.12”;
- Check that the burner is working properly;
-
Check that there are no gas leaks.
EXAMPLE OF COMPILATION
-
When the conversion is complete, fill in the
information required on the label supplied in
the documentation envelope and apply it next
to the technical data label of the boiler.
NOTE!
Further details in the section
‘‘Technical Information’’ on the
boiler page of the www.unicalag.it
website
