gpelectric.com | [page 5]
This manual assumes that the GP-BMK-50 is being installed for the rst time, or that factory settings have been
restored.
The GP-BMK-50 factory settings are suitable or all battery chemistries.
The GP-BMK-50 will automatically detect the nominal voltage of the battery system immediately after completion of
the set-up wizard (for details and limitations of automatic nominal voltage detection, see section 3.8). Therefore, the
only settings which need to be made are the battery capacity and the functionality of the auxiliary input.
Please install the GP-BMK-50 in accordance with the Quick Start Guide. After inserting the fuse in the positive
supply cable to the main battery, the GP-BMK-50 will automatically start the set-up wizard.
PLEASE NOTE:
a) In case of Li-ion batteries, several settings may have to be changed. Please refer to section 6. The set-up
wizard below must be completed before other settings can be made.
b) When using a shunt other than the one supplied with the GP-BMK-50, please refer to section 3.6. The set-up
wizard below must be completed before other settings can be made.
USING THE SET-UP WIZARD
2.1 SETTING BATTERY CAPACITY
a) After inserting the fuse, the display will show scrolling text.
If this text is not shown, press SETUP and SELECT simultaneously for a 3 second period to restore the factory
settings or go to section 4 for the full set-up details (setting 64, Lock set-up must be OFF to restore factory settings.
See section 4.2.5).
b) Press any button to stop scrolling and the factory default value Ah (total amp hours of battery bank) will appear
in the edit mode; the rst digit will blink.
Enter the desired value with the + and - buttons.
c) Press SETUP or + or - to proceed to auxiliary input setting.
2.2 USING AN AUXILIARY INPUT
a) The display will show (second battery) scrolling.
b) Press SELECT to stop scrolling and the LCD will show:
Use the + or - key to select the required function of the auxiliary input
for monitoring the starter battery voltage.
for monitoring the mid-point voltage of a battery bank.
for using the optional temperature sensor.
Press SELECT to conrm. Conrmation is indicated with a short beep.
c) Press SETUP or + or - to end the set-up wizard and switch to normal operating mode.
The GP-BMK-50 is now ready for use.
When powered up for the rst time, the GP-BMK-50 will display 100% state of change.
2. GETTING STARTED