Dunkirk Helix VLT Vertical Laser Tube, Wall Hung Modulating Condensing Boiler - Manual (Page 5)

5
Menu option found in installer display menu of each
individual boiler. Press menu and enter buttons on user
interface simultaneously for 5 second to enter Installer
menu. See fi gure 5.
One boiler is MANAGING (Boiler Address: 1) and all other
boilers work as dependent (address 2..16). Each boiler
should have its unique address. Manually program each
boiler's address.
boiler_ address
Parameter Value
Boiler Operation Function of
system sensor
input
0 (default) No cascade boiler No function
1 1st boiler (MANAGING) System sen-
sor
2 2nd boiler (dependent) No function
3 3rd boiler (dependent) No function
4 4th boiler (dependent) No function
16 16th boiler (dependent) No function
Once boiler is defi ned as dependent (addresses 2..16) display will show boiler supply temperature and boiler status.
Use managing display (Boiler Address = 1) and managing boiler controls to determine demands for heat or DHW and
show system temperature.
Menu option:
MULTIPLE BOILER GUIDE
Figure 5 - User Interface