PowerCombi Inverter/Charger
• Power sharing mode
If the available power at the AC IN is limited, and the load connected to AC OUT increases, the
external AC circuit breaker may trip if nothing is done. To avoid this, the unit can automatically
reduce the battery charger output, and thus the AC power consumption.
The Power Sharing level (adjustable from the PowerCombi Remote Panel or a laptop/notebook
connected via the MasterBus PowerCombi Interface) should be set to match the value of the
external circuit breaker, which protects AC IN.
Load on AC OUT < power sharing level
Load on AC OUT ≥ power sharing level
If the demand for AC power still increases,
the external AC circuit breaker may still trip if
nothing is done. This problem can be solved
by the Mains support mode. If the total
demand for energy exceeds the maximum
external power supply, energy can be added
to AC OUT by means of the inverter. This
means that the inverter adds energy from the
batteries, in parallel with the external power
source.
Note: Under no circumstances AC power from the inverter can be fed back into the AC grid.
Different countries have different regulations regarding AC sources operating in
parallel with the AC grid. This may mean that in some situations mains support mode is
not allowed! Familiarize yourself with local regulations on this issue.
3.5 Remote control
Mastervolt offers several possibilities for remote monitoring and control of the PowerCombi
Inverter/Charger. See www.mastervolt.com for all available options.
• PowerCombi Remote Control (77010700).
• MasterBus PowerCombi Interface (77032900); enables configuration (of voltage levels for
example) from a notebook/laptop which is obligatory if the installation comprises the Mastervolt
MLI battery.
AC
DC
AC IN
6A 4A
AC OUT
BATTERIES
2A
AC
DC
AC IN
6A 6A
AC OUT
BATTERIES
0A
AC
DC
AC IN AC OUT
BATTERIES
6A 9A
3A
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