CombiMaster 120V Series – User and Installation Manual
• Charger mode; When external AC power is
available on the AC input, the battery will be
charged and the AC output is supplied by the
external power.
• Power sharing mode; The CombiMaster Inverter/Charger automatically reduces its battery charger
output when the load connected to AC OUT increases while the available power at AC IN is limited.
This avoids the external AC circuit breaker from tripping. The power sharing level, i.e. AC IN Limit
setting (adjustable from a display), should be set to match the value of the external circuit breaker.
Load on AC OUT < AC IN Limit
Load on AC OUT ≥ AC IN Limit
• AC input support mode; 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 AC IN 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.
CAUTION!
The continuous load connected to AC OUT should never exceed 40A. Exceeding the
max. allowable output current may damage the CombiMaster Inverter/Charger.
Note: Different countries have different regulations regarding AC sources operating in parallel with
the AC grid. This may mean that in some situations AC IN support mode is not allowed!
Familiarize yourself with local regulations on this issue. AC power from the inverter will never
be fed back into the AC grid.
See chapter 5 on page 19 for the required settings.
AC
DC
AC IN AC OUT
BATTERIES
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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