Phocos CX-10 Manual De Instrucciones página 34

REMARK: If the CX is used in a vehicle which has the battery negative on
the chassis, loads and solar panels connected to the regulator must not have
an electric connection to the car body. Otherwise the overcharge protection,
the Low Voltage Disconnect and the electronic fuse function of the controller
is short circuited.
Starting up the Controller
Self Test
As soon as the controller is supplied with power either from the battery or the
solar array, it starts a self test routine. This is indicated first by running LCD bars
for approx. 0.5 seconds, and then the firmware version is displayed in coded
symbols for about another second (this is for service purposes only). Then the
display changes to normal operation.
System Voltage
The controller adjusts itself automatically to 12 V or 24 V system voltage.
As soon as the voltage at the time of start-up exceeds 20.0 V, the controller
implies a 24 V system.
If the battery voltage is not within the normal operation range (approx. 12 to
15.5V or approx. 24 to 31 V) at start-up, a status display according to the section
ERROR DESCRIPTION occurs.
Battery Type
The controller is preset to operate with lead acid batteries with liquid electrolyte.
If you intend to use a VRLA battery (GEL type) you can adjust the controller in
31