Mass Sine Ultra
– Installation Manual Multiple Units
Three-phase configuration with MasterAdjust
13
5 THREE-PHASE CONFIGURATION WITH MASTERADJUST
Three MSU units can be set in a 3-phase star-configuration with MasterAdjust. Basic knowledge of MasterAdjust is required.
5.1
Materials needed
Description
Quantity
Three units (product code: 26024000)
3
MasterBus Terminator (included but not always needed)
MasterBus cables between units (product code e.g. 3 meter: 77040300)
2
Sync cables to interconnect all units (product code e.g. 3 meter: 6502000030) 2
MasterBus USB Interface (product code: 77030100)
1
Windows based PC with the MasterAdjust configuration tool
1
DC + cable with fuse
3
DC
– cable
3
AC cable to connect the AC input of the unit to an external power source
3
AC cable to connect the external load to
OUT
3
5.2
Preparations
-
Make sure that all power sources (AC and DC) are switched off.
-
Make sure that DIP switches A1 and A2 are off on all units.
DIP switch location
All other DIP switches (3
…8) on the Replica units must match the settings on the Primary unit. For an overview of DIP
switch settings, please see the user manual.
5.3
DC wiring of three-phase units
Note:
Always use the same length positive and negative cables! Be aware that to keep the drawings in this chapter clear and
easy to read, the cable lengths have not been drawn in proportion to each other.
DC cable
cross section
Inline fuse
Recommended
battery bank
Indicated cable sizes are for cables from unit to busbar and shorter
than 3m. Cables from busbar to battery bank should be twice the
diameter. When cables are longer than 3m, the size should be
increased to compensate for cable losses.
70 mm
2
250 A
400 Ah
FUSE
FUSE
BUSBAR
BATTERY
SWITCH
BATTERY BANK
L1
L2
L3
