Installation and Operation Manual
4
Once installed and configured, Solar Boost 3048 charge control and MPPT operations are fully automatic.
Charge turns on whenever the PV array is capable of producing sufficient power. When PV charge is on the Charge
Status LED will indicate the present charge mode, and when PV power production is relatively high, it will show
approximate battery state of charge. At night when PV power production stops, the PV array is disconnected from
the battery to prevent unwanted current drain.
FRONT PANEL AND REMOTE DISPLAY INDICATORS
Figure 1
Note that a minimum battery voltage of 18 volts
in 24 volt systems, or 36 volts in 48 volt systems,
is required for Solar Boost 3048 to operate.
OPTIONAL DIGITAL DISPLAY
An optional digital display is available to monitor PV charge performance. The display is available in the Solar
Boost 3048 controller chassis, and as a remotely mounted panel. Both the chassis display and the remote display may
be installed and used simultaneously. The digital display can be selected to show Battery Voltage, Solar Panel Current,
or Output Charge Current. When the MPPT system is functioning, charge current boost can be seen by noting the
difference between Solar Panel Current and Output Charge Current. If MPPT is not operating, it is normal for Output
Charge Current to show
≈
0.1 amps less than Solar Panel Current since the system consumes 100/70mA at 24/48 volts
respectively to operate during charge.
