BLUEHELIX PRIMA 24 C
21
EN
cod. 3541R820EN - Rev. 03 - 03/2020
3. Service and maintenance
B
All adjustments described in this chapter can only be carried out by qualified
personnel.
3.1 Adjustments
Gas conversion
The unite can use gas of the
2
nd
or
3
rd
family
as clearly indicated on the packaging and on the unit’s technical data
plate. If the unit has to be used with a gas other than the factory-set one, proceed as follows:
1. Disconnect the power supply and turn off the gas.
2. Remove the front panel (
see *** 'Opening the front panel' on page 29 ***
).
3. Apply the plate for LPG (contained in the document bag) near the technical data plate.
4. Refit the front panel and turn on the power to the boiler.
5.
Modify the parameter for the type of gas
:
•
Put the boiler in standby mode and press the
Reset button
(detail 6 - fig. 1) for 10 seconds.
•
The display shows
100
and the message
"co"
flashing; press the
“H” button
(detail 4 - fig. 1) until set-
ting and displaying
120
.
Then press the
“DHW +” button
(detail 2 - fig. 1) until setting
123
.
•
Press the
Reset button
(detail 6 - fig. 1) once.
•
The display shows
tS
flashing; press the
“H” button
(detail 4 - fig. 1) once.
•
Press the
Reset button
(detail 6 - fig. 1) once.
•
Using the
“H” button
(detail 4 - fig. 1) scroll to the parameter
b03
.
•
Using the
“DHW +” button
(detail 4 - fig. 1) set:
0 =G20
- Natural Gas (Default setting)
1 =G30/G31
Liquefied Gas
2 =G230
Propane Air
•
Press the
“H” button
(detail 4 - fig. 1) to confirm (Changing the value of the parameter
b03
, automati-
cally changes the value of the parameter
b27
to
5
).
•
Press the
Reset button
(detail 6 - fig. 1) for 10 seconds.
•
Turn the power off for 10 seconds and then back on.
•
Wait until the mode
Fh
finishes.
•
Put the boiler in standby mode and activate the complete manual calibration mode by simultaneously pressing
the
“OFF/Summer/Winter”
and
“H” buttons
for 5 seconds. The display will show the flashing symbols
“
Au
" and "
to
". After burner ignition (flashing symbols "Hi+flame+tap+radiator) the boiler will do the calibration in
the three power levels "
Hi
", “
ME
" and "
Lo
". At the end a numerical value will be displayed (the boiler is now at
minimum power "
Lo
").
•
If the
CO
2
values
were not within the range table 11 proceed as follows: using the “DHW + and -” buttons. Adjust
the
CO
2
at minimum power (Lo), Each time the
“DHW + or -” buttons are pressed
the display will show the
modified value and then the icon "Lo" (to indicate the minimum power level).
•
Increasing the value will decrease the
CO
2
level
and vice versa.
•
Press the
“H” button
for ignition/intermediate power “
ME
", the display will show the icon "
ME
", when
ignition/intermediate power is reached, a numerical value will appear.
•
Using the “DHW + and -” buttons adjust the
CO
2
. Each time the “DHW + or -” buttons are pressed the display
will show the modified value and then the icon "
ME
" (to indicate the ignition/intermediate power level).
•
Press the
“H” button
for maximum power "
Hi
", the display will show the icon "
Hi
“ and when the maxi-
mum power is reached a numerical value will appear.
•
Using the
“DHW + and -” buttons
adjust the
CO
2
at maximum power (
Hi
), each time the
“DHW + or -” buttons
are pressed
the display will show the modified value and then the icon “
Hi
" (to indicate the maximum power
level). After adjustment of the
CO
2
at maximum power it will still be possible to scroll the three power levels "
Hi
"
"
ME
" and "
Lo
" pressing the
"H or -” buttons
to recheck or correct the
CO
2
value
.
•
Press the
“OFF/Summer/Winter”
and
“H” buttons
for 5 seconds to exit the complete manual calibra-
tion mode and save the settings. The modification of parameters to adjust the
CO
2
in complete manual calibra-
tion mode will have a maximum duration of about 8 minutes
