– User and Installation Manual
3.3 Protection
• Overload or short circuit: while in the inverter mode, the CombiMaster Inverter/Charger will shut
down within 5 seconds of 200% overload or after 10 seconds 150%.
• Transfer switch overload: the transfer switch of the CombiMaster Inverter/Charger is protected
against overload and short circuit. When the current through the transfer switch of the CombiMaster
Inverter/Charger is exceeding what it is rated for,
- 30A for models 1500W, 2000W, 3000W, or
- 50A for models 3500W, 4500W, 5000W, then
the thermal breaker (item 8 on page 7) will disconnect the AC input.
• High temperature: if the temperature of the CombiMaster Inverter/Charger is too high, the inverter
shuts down or the charger will reduce power. This will trigger the status LEDs and optionally a
remote alarm. High temperature is most likely caused by heavy loads operating for a longer period,
high ambient temperature or disrupted air flow (dust or too little space). When the temperature
returns to normal operating range, the inverter powers up automatically or the charger resumes.
See section 9.6 for details.
• Battery low/high: the CombiMaster Inverter/Charger warns for low or high battery voltages by
triggering status LEDs and CZone/MasterBus alarms.
The CombiMaster Inverter/Charger is not protected against:
- over voltage on the AC input;
- continuous overload on the AC output.
Make sure AC input is within the range of 90-140V
AC
and the continuous load connected to
AC OUT never exceeds
• 40A for models 1500W, 2000W, 3000W,
• 85A for models 3500W, 4500W, 5000W.
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