REXNOVA ISA 20 BITHERMAL, Installation, Use And Maintenance Manual, Page: 27 / 36

25
Pict. 27
THE USE OF INJECTORS DIFFERENT THAN THOSE SPECIFIED CAN ENDANGER PERSONS
AND PROPERTY. CHECK THAT THE BURNER TRAY PACK AND ALL OTHER PREVIOUSLY
REMOVED COMPONENTS ARE CORRECTLY POSITIONED BEFORE CONNECTING THE
GAS SUPPLY AND STARTING THE BOILER.
BEFORE COMMISSIONING THE NEWLY CONFIGURED BOILER IT IS NECESSARY
TO CHECK THE GAS SUPPLY PRESSURE BEFORE THE BOILER AND MEASURE AND
ADJUST THE GAS PRESSURE AT THE BURNER. REFER TO THE PRESSURE VALUES AND
PROCEDURES GIVEN FOR EACH SPECIFIC GAS IN THE “GAS PRESSURE CHECK”
CHAPTER (PAGE 21)
COMPLETE THE CHANGE BY ATTACHING THE LABEL INDICATING THE CHANGE
TO THE NEW TYPE OF GAS FOR WHICH THE BOILER HAS NOW BEEN CONFIGURED,
SUPPLIED WITH THE GAS CHANGE KIT, NEAR THE TECHNICAL DATA PLATE LOCATED
ON THE REAR INSTRUMENT PANEL COVER.
THE ACCESS TO THE “CONFIGURATION MENU” IS EXCLUSIVELY RESERVED FOR
TECHNICIANS WITH THE NECESSARY QUALIFICATIONS AND LICENSES. THE
ARBITRARY MODIFICATION OF ANY PARAMETER CAN CAUSE MALFUNCTIONING
OF AND DAMAGE TO THE BOILER, AS WELL AS CREATING A DANGEROUS SITUATION
FOR PERSONS AND PROPERTY.
ACCESSING THE CONFIGURATION MENU
It is possible to view the information or to
perform the complete configuration of the
boiler by accessing the different pages of the
CONFIGURATION MENU.
Accessing the CONFIGURATION MENU, aside
Accessing the menu:
Press “F” and “D” buttons at the same time for
at least 3 seconds; the display will show “P”
letter and “00” figure (Pict.28).
Selecting a menu page:
The Menu Information is organized into pages
corresponding to a code which uniquely
identifies a parameter and its corresponding
value. To select a menu page: access the
desired menu according to the procedure
described above. As soon as the mode is
activated, the first present parameter code
will automatically be displayed, alternating
with its value. In order to scroll the pages, press
“C” and “D” buttons
.
Modifying the parameter settings:
After selecting a parameter, it can be
modified by pressing “E” button. The !
symbol is displayed and the value can be
modified by pressing “C” and “D” buttons. To
store the value, press “E” button.
For leaving the menu without storing the
value, press “F” button or wait for the Main
Menu automatic return.
from displaying information on the state or
presence of most of the devices, also allows
the configuration parameters to be altered,
therefore substantially influencing the device’s
operation.
Pict. 28
C
D F E