User's Manual

Specifications are subject to change. See bluesea.com/P12 for current information.
2. Press the left or right arrow buttons to scroll to the Fan Speed window
3. Press the Select button.
4. Press the up or down arrow buttons to select the desired speed.
a. High: The fan will spin up to its maximum speed. This is the recommended setting for optimal performance.
b. Low: The fan will spin up to a designated speed (below max). If there is a significant load on the charger, it may limit its maximum output current in
order to maintain a safe internal temperature.
c. Off: Forces the Fan to stay off. If there is significant load on the charger, it may limit its maximum output current to maintain a safe internal temperature.
6. Press the left or right arrow buttons to scroll to the Max Output window.
7. Press the Select button.
8. Press the up or down arrow buttons to select the desired maximum output amperage. Low output may be selected to reduce load on the AC source.
AC current is approximately one tenth of the DC current at 120V line voltage and one twentieth of the DC current at 240V line voltage.
19. Once desired display settings are enabled press Back.
20. Press the left or right arrow button to scroll to the Battery window.
21. Press the Select button.
Advanced Charger Setup (continued)
26. Press the Back button twice to return to the Charger Summary screen.
27. Your P12 Battery Charger is now setup and fully operational.
22. While the cursor blinks on battery type press the Select button.
23. Use the left or right arrow buttons to scroll to desired battery type.
24. Press the OK button.
25. For optimal charging it is recommended to set absorption timers and End Absorb Amps. If Amp Hour Capacity is known, continue to page 14 for more information.
CAUTION
Selecting a battery type different from the connected batteries could limit the life of the batteries and damage them.
NOTE: to adjust Absorb and Float voltage “User” must be the selected battery type. The default Absorb voltages for each battery type can be seen in Table E above.
Warning: Incorrect Absorb and Float voltages could reduce the life of your batteries. Contact your battery manufacturer for recommended Absorb and Float voltages.
13
To reset the P12 Battery Charger to factory defaults, press and hold the two right buttons for ten seconds.
Press the OK button for five seconds to proceed with resetting to factory defaults or press the Cancel button to return to the previous screen.
Note: Resetting the P12 Battery Charger to factory defaults will erase previously saved data and settings.
Reset to Manufacturer Defaults
Type Absorb Volts Float Volts
FLA – Flooded Lead Acid 14.5V 13.5V
AGM – Absorbed Glass Mat 14.35V 13.3V
Gel – Gelled Electrolyte 14.1V 13.5V
TPPL – Thin Plate Pure Lead 14.7V
13.6V¹
User Adjustable 12.5V Default 12.5V Default
¹ Taken from Odyssey Tech Notes, Northstar operation Manual
Table E: Default Voltages by Battery Type
Batteries should match in chemistry, although many AGM’s and flooded batteries are
compatible. Based on 25°C (77°F)
P12
7521 AND 7522 BATTERY CHARGERS