Owner’s Manual | GP-PWM-25 Regulator
9
© 2009 Carmanah Technologies Corporation
Last revised: July 2009
Viewing the Regulator display information
To toggle between State of Charge (SOC), Battery
Voltage and PV Charging Current, press the
B
Button
.
The battery state of charge is shown as a percentage.
Icons Displayed
: Battery, Percent Symbol
Push the
B Button
to show the battery voltage.
Icons Displayed
: Battery, Volt Symbol (V)
Push the
B Button
to show the PV charging current.
The GP-PWM-25 will begin to limit the current as the
battery reaches a full charge.
Icons Displayed
: Sun, Battery, Current Symbol (A)
Non volatile memory:
Any settings made on the GP-PWM-25 will be saved even when the
power has been disconnected from the regulator.
Errors
Over Voltage
If the GP-PWM-25 experiences a battery over voltage
(15.5 / 31V), the controller will stop operating and the
display will begin to flash. The controller will resume
operating when the error is cleared.
Icons Displayed
: Battery, Volt Symbol, Lightning Bolt
Low Voltage
If the GP-PWM-25 experiences the battery state of
charge reaching zero, a lightning bolt symbol will begin
to flash in the lower right corner of the display. The
regulator will continue operating. The regulator will only
stop operating if the voltage drops below 6 volts.
Icons Displayed
: Battery, Percent Symbol, Lightning
Bolt