12
Mass Combi Ultra, Mass Combi Pro
– Installation Manual Multiple Units
Parallel configuration with DIP switches
4.4
AC wiring of parallel units
* Neutral to ground bonding depending on local regulations
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
4.5
Network wiring of parallel units
® = Residual Current Device (RCD)
© = Circuit Breaker, no RCD!
Breaker AC OUT-2 = 50 A max
®
©
©
©
®
®
PRIMARY UNIT
REPLICA UNIT
Battery
temperature
sensor
Sync cable
MasterBus cable
MasterBus
network or
terminator
MasterBus
network or
terminator
Battery
temp. sensor
