8
Mass Combi Ultra, Mass Combi Pro
– Installation Manual Multiple Units
Parallel configuration with MasterAdjust
Generator power AC cable cross section Breaker size
Max 3.5 kW
2.5 mm
2
20 A
3.6
– 7 kW
4.0 mm
2
40 A
7.1
– 10 kW
6.0 mm
2
50 A
> 10 kW
10.0 mm
2
63 A
Mains power AC cable cross section
Max 16 A
3x 2.5 mm
2
Max 32 A
3x 4.0 mm
2
3.5
Network wiring of parallel units
3.6
Configuration with MasterAdjust
Pre-commissioning
1. Make sure that the units are switched off.
2. Make sure that all connections are firmly tightened.
3. Install the DC fuses and close the battery switch.
4. Close the covers of all units.
5. Close the AC breaker in AC output 1 of each unit.
6. Switch on all units.
7. If not already available, connect a MasterBus USB Interface to the MasterBus network and to a PC, and open MasterAdjust.
Installation or configuration errors may come up in MasterAdjust while the configuration is in progress. This is normal.
Configuration
8. In MasterAdjust, check that the units are running the latest firmware (software version). See the Mastervolt Portal for more
information.
9. In the device list, in the left pane of MasterAdjust, right-click the Primary unit and select
Login
.
The Primary unit is the device that has the AC OUT-2 connection. The other units are called Replica units. Note that in the
older MCU and MCP dialog windows Primary is called Master and Replica is called Slave.
Battery
temperature
sensor
Sync cable
MasterBus cable
MasterBus
network or
terminator
MasterBus
network or
terminator
Battery
temp. sensor
