FRANKIA OPERATING MANUAL58 FRANKIA OPERATING MANUAL 59
Control panel:
The control panel is located on the left side of the entrance area.
LED displays:
• “Inverter”:
◦ Lights up: The inverter is ready for operation
• “Automatic”:
◦ Lights up: The inverter is in automatic mode.
• “Line”:
◦ Lights up: the motorhome was plugged into 230 volt external power. The applied voltage is switched
through to the sockets.
• „*“:
◦ Lights up: Active if the requirements for operating the air conditioning system via the inverter are met.
• „<50%“
◦ lights up at a load of approx. 10/20 watts to 50% of the nominal power of the connected device.
• „<100%“
◦ The nominal power is between 50 and 100%.
• „Overload“
◦ The nominal power is greater than 100%. Operation is only possible for a short time. Additional signalling
by an acoustic signal.
Commissioning and function:
The inverter can be operated in an automatic mode or switched on and off manually.
1. Automatic mode: Briefly press the on/off switch.
The inverter is started in automatic mode by briefly pressing the ON/OFF switch. After an internal self-test of the entire
system, signalled by 2 short and one long beep, the inverter starts operating. The green “Inverter” LED indicates that the
device is ready for operation, the “Automatic” LED lights up. There is now 230 V AC on the device socket at the front and
the consumers are supplied. In this mode, the inverter continuously checks the connected load (e.g. TV set). As long as
the TV set is switched on, it requires power (> 25 W). If the TV set is switched off (< 25 W), the inverter recognises this
state and automatically switches to standby mode after an observation time of approx. 30 seconds. All LEDs go out,
only the yellow “Automatic” LED flashes every second. The inverter now checks every second whether a load > 25 W is
connected to the output. If it does not find a consumer in standby mode within the next 5 or 10 minutes, it switches
off completely and can be restarted using the ON/OFF switch.
In order to reduce this unnecessary battery load, it makes
sense to use the automatic function.
2.
Manual operation of the inverter without automatic mode: Press and hold the ON/OFF switch for longer than 3 seconds.
If the inverter is to be operated without Automatic mode, e.g. so that also consumers with very low power such as battery
chargers, portable radios or similar can operate without problems, the ON/OFF switch must be operated for more than 3
seconds when switching on the inverter. After this time, the yellow “Automatic” LED goes out and the inverter is now in con-
tinuous operation. The inverter is switched off again by pressing the ON-OFF switch. In continuous operation, the battery is
loaded even without connected consumers.
The inverter is not completely switched off in automatic mode! Therefore, when working on the 230 V
consumers or the associated installation, the inverter must be disconnected from the 230 V consumers
or installation!
Air conditioning on the inverter:
The inverter is designed to operate the vehicle air conditioning system. The air conditioning can thus be operated while driving.
Driving operation:
When the inverter detects that the vehicle‘s engine is running and the voltage on the on-board battery is above 13.4V, the
“*” LED lights up and the air conditioning system can be started. If the voltage of the batteries drops below 12.2 V due to
the high consumption of the air conditioning system despite the alternator running, the inverter switches off the socket for
the air conditioning system and the LED goes out. If the voltage of the batteries rises above the switch-on threshold of 13.4
V due to the charging of the alternator, the socket for the air conditioning system is reactivated after a time delay of approx.
3 minutes. (The waiting time must be observed for the restart of the air conditioning compressor.)
Operation with external shore power:
If there is 230 V mains voltage (shore power) on the vehicle, the operation (switching on) of the inverter is blocked and
the air conditioning system is supplied with shore power via the internal mains switch. If the external mains voltage (shore
power) is removed while the air conditioning system is running, the inverter remains switched off. This prevents accidental
discharge of the on-board battery if the external mains voltage fails. If the on-board battery is to continue operating the air
conditioning system, the inverter must be switched on again. Also in this case, the socket for the air conditioning system is
only reactivated after a time delay of approx. 3 minutes.
Change from inverter operation to shore power operation with the air conditioning system running:
If the air conditioning system is operated via the inverter and then external AC voltage (shore power) is fed into the vehicle,
the inverter switches off immediately. After approx. 4 seconds, the internal mains switch-over automatically switches the
shore power on again. Also in this case, the socket for the air conditioning system is only reactivated after a time delay of
approx. 3 minutes.
Operation on body battery:
In inverter operation, the air conditioning system can only be operated from 60% battery capacity (switch-on threshold). If
the battery capacity falls below 50% (switch-off threshold), the air conditioning operation is ended, so that 110Ah remai-
ning capacity ensures the on-board supply.
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