Western Co WRM20 Benutzerhandbuch Seite 19

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Change page
Change page
You go back to the configuration page of the recharge program.
Warnings and Error Codes
Once modified the settings of WRM20 these become operative only after the exiting from the configuration pages
pressing simultaneously for at least 2 seconds the buttons
With the intervention of the internal protection of WRM20 there are the error codes here below reported.
When the symbol low battery is flashing
this indicates that there is the low battery
protection (to preserve the battery life,
the load has been disconnected). This
protection intervenes when the battery
voltage goes under the threshold V
can be set by the user (Tab.2). WRM20
leaves this protection when the battery
will be charged by the PV module at V
voltage (see Tab.4 "Table of electrical
LB
features").
The battery was connected with inverted
polarities. Check the electrical connection
of the battery.
WRM20 and WRM20+
Absorption time
You can set Absorption time (Tabs): time in hours when the battery can remain at
Veoc voltage before reaching float voltage.
Overload
Activates or deactivates the overload protection on the load output. Firmware> = R2.2
Id WBus configuration
Configures the ID number (ID) of the device on WBus network (only for version WRM20+)
Software version display page
It displays the software version in use on WRM20.
User manual
Tab.2 Page settings
.
Warnings
that
LB
OUT-
Error Codes
7
When the battery symbol is flashing it
indicates that the WRM20 controller is in
the float phase and therefore the battery
voltage is set to the voltage Vflt = Veoc -
0.6V @12V or Veoc -1.2V @24V
You have this error when WRM20 internal
temperature exceeds
deactivates the recharge.
automatically from this protection when
the internal temperature goes below the
threshold 50°C. (note:
temperature of the regulator is not
displayed). If you
protection, we advise to place the
regulator in a fresher place.
EN
80°C and
You exit
the internal
see often this