BATTERY PANEL
GVB-8(Boost)
Note: Drip loop to
protect charge controller
from water.
CONNECTING THE SOLAR PANEL
Connect the solar panel to the PANEL+ and PANEL- terminals. While connecting the battery rst will
not damage the GVB-8, we recommend connecting the panel rst. This eliminates the risk of short-
circuiting the panel while the GVB-8 is operating, which can cause damage.
• In most applications, the panel should be connected only to the GVB.
• The LED may blink red until a battery is connected.
• Do not use blocking diodes for single-panel installations. The GVB prevents reverse-current
ow.
• If multiple panels are being used in parallel, blocking diodes are recommended in series with
each panel, unless the panel manufacturer recommends otherwise.
• Solar panel voltage rises in cold weather. Check that the solar panel open circuit voltage (Voc)
will remain below the maximum input voltage of the GVB at the coldest possible expected
temperature.
Note: In the GVB-8, the negative side of the battery is connected internally to the negative
side of the solar panel.
CONNECTING THE BATTERY
Connect the battery to the BATT+ and BATT- terminals.
• A small spark while connecting the battery is ok.
• Any loads should be connected directly to the battery. The GVB does not provide protection
against over-discharge.
CAUTION, RISK OF FIRE OR EXPLOSION: Do not make the nal battery connection near lead acid
batteries that have recently been charging.
The GVB has a
MULTICOLOR LED.
Learn about this indicator
on the following page.
FUSE
2
3
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