10
Mass Sine Ultra
– Installation Manual Multiple Units
Parallel configuration with DIP switches
4 PARALLEL CONFIGURATION WITH DIP SWITHES
Two units can be set in parallel with DIP-switches. This can be two identical MSU units. Provided that they use the same DC
voltage, this can also be one MSU and one MCP.
4.1
Materials needed
Description
Quantity
Two units (product code: 26024000)
2
MasterBus Terminator (included but not always needed)
MasterBus cables between units (product code e.g. 3 meter: 77040300)
1
Sync cables to interconnect all units (product code e.g. 3 meter: 6502000030)
1
DC + cable with fuse
2
DC
– cable
2
AC cable to connect the AC input of the unit to an external power source (MSU) 2
AC cable to connect the external load to
OUT
2
4.2
Preparation
-
Make sure that all power sources (AC and DC) are switched off.
4.3
DC wiring of parallel 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.
Minimum 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
