Victron energy BlueSolar MPPT 75/10 Manual De Instrucciones página 7

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● The controller will operate only if the PV voltage exceeds battery voltage (Vbat).
● PV voltage must exceed Vbat + 5V for the controller to start. Thereafter minimum PV
voltage is Vbat + 1V.
● Maximum open circuit PV voltage: 75V respectively 100V
For example:
12V battery and mono- or polycristalline panels connected to a 75V controller
● Minimum number of cells in series: 36 (12V panel).
● Recommended number of cells for highest controller efficiency: 72
(2x 12V panel in series or 1x 24V panel).
● Maximum: 108 cells (3x 12V panel in series).
24V battery and mono- or polycristalline panels connected to a 100V controller
● Minimum number of cells in series: 72
(2x 12V panel in series or 1x 24V panel).
● Maximum: 144 cells (4x 12V panel in series).
Remark: at low temperature the open circuit voltage of a 108 cell array may exceed 75V
and and the open circuit voltage of a 144 cell solar array may exceed 100V, depending
on local conditions and cell specifications. In that case the number of cells in series must
be reduced.
3.4 Cable connection sequence (see figure 3)
First: connect the cables to the load, but ensure that all loads are switched off.
Second: connect the battery (this will allow the controller to recognize system voltage).
Third: connect the solar array (when connected with reverse polarity, the controller will
heat up but will not charge the the battery).
Torque: 0,75 Nm
The system is now ready for use.
3.5 Configuration of the controller
The VE.Direct communication port (see sect. 1.9) can be used to configure the controller.
(dongle needed when using the Bluetooth app)
3.6 The load output (see figure 1 and 2 at the end of the manual)
The VE.Direct communication port (see sect. 1.8) can be used to configure the load output.
(dongle needed when using the Bluetooth app)
Alternatively, a jumper can be used to to configure the load output as follows:
● No jumper: BatteryLife algorithm (see 1.4)
● Jumper between pin 1 and pin 2: conventional
Low voltage load disconnect: 11,1V or 22,2V
Automatic load reconnect: 13,1V or 26,2V
● Jumper between pin 2 and pin 3: conventional
Low voltage load disconnect: 11,8V or 23,6V
Automatic load reconnect: 14V or 28V

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