Manual

SOL10UC2
25/11/2010 5 ©Velleman nv
o [2] load LED: indicates that the connected load receives power. When on, the load
receives enough power to operate normally.
o [3] battery status.
 Red: the battery is empty and the controller will be in over-discharge protection
(10.5V-11V for 12V system/ 21V-22V for 24V system)
 Orange: normal working status
 Green: the battery is fully charged and the controller is into over-charge protection
(13.7V-14.4V for 12V system / 27.4V-28.8V for 24V system)
8. Troubleshooting
Problem: load indicator [2] off and load stops working.
Reason: low battery voltage (battery status [3] is red).
Possible solutions:
• Remove load and press the RESET button. When battery is fully charged, reconnect
the load.
• Increase the number of solar panels or change the battery to match the connected
load.
Problem: load indicator [2] off and load stops working.
Reason: system overloaded / short circuit inside the load
Possible solutions:
• remove as much load as necessary and press the RESET button.
• resolve the short circuit problem on the load and press the RESET button.
Problem: charge indicator [1] is continuously on.
Reason: battery is charging.
Possible solutions: this is a normal operating condition.
Problem: charge indicator [1] is blinking.
Reason: battery is trickle-charging.
Possible solutions: this is a normal operating condition when battery is fully charged.
Problem: charge indicator [1] is off.
Reason: no power from solar panels.
Possible solutions:
• This is a normal condition during night time when the solar panel doesn’t receive any
sunlight
• When it happens during day-time, carefully check all connections and make sure they
are all secured tightly.
9. Technical Specification
rated voltage 12Vdc / 24Vdc (auto-detection)
load current (max.) 10A
overvoltage protection 20Vdc / 40Vdc
over-charge protection 13.7V/27.4V
over-discharge protection 10.5V/21V
temperature compensation -3mv/°C/cell
no load loss max.10mA
max. cable section 2.5mm²
operating temperature -25°C - 55°C
solar panel input voltage 12V system max.20V/24V system max.40V
dimensions 135 x 98 x 36mm
weight 182g