System Connection
1. Connect the Solar Panel.
Note that if you connect the solar panel to your
system ground, your batteries will be damaged
LED may start blinking. This is OK. Continue to
step 2.
2. Connect the Battery.
A small spark while connecting the battery is ok.
3. Connect the Load.
Continuous load draw should not exceed 5A.
Mounting
When choosing a location, please
observe the following:
Do not expose directly to water
Do not mount near a source of heat.
Warning!
Shorting the panel while the GV-5 is
operating will permanently damage
the controller.
Run/Charge Indication
The GV-5 has one indicator LED, which
can blink either red or green.
Standby. The battery is connected
properly, and charging will begin
when solar panel power is available.
LED:
[8–10s between green blinks]
LED:
LED:
could probably produce more power.
Might work better with a GV-10.
LED:
[long green blink, then short green blink]
Charging, with less
current than about 1.5 A.
[faster green blinking]
Charging, with more
current than about 1.5 A.
Current Limit: The GV-5
is charging the battery
with 5A, and the panel
Battery charged.
LED:
[longer green blinks]
[solid green]
Error Indication
Over-temperature: The GV-5
internal temperature is too high.
LED:
[sets of 2 red blinks]
Overload: The GV-5 has
been overloaded. This
could be caused by changing the solar panel
connections while the GV-5 is operating.
LED:
[sets of 3 red blinks]
Battery voltage too low.
The GV-5 cannot begin charging
due to low battery voltage. If the nominal
battery voltage is correct (12V), charge the
battery by some other means before use.
LED:
[sets of 4 red blinks]
Battery voltage too high. If the
nominal battery voltage is correct
(12V), check the functioning of other chargers
that may be connected to the system.
LED:
[sets of 5 red blinks]
Panel voltage too high: Only
12V nominal solar panels
may be used with the GV-5.
LED:
[sets of 6 red blinks]
Technical Specs
Maximum Output Current ............................ 5 A
Panel Voc .............................................. 0 – 27 V
Operating Consumption..... 150 µA (0.150 mA)
Night Consumption ............ 125 µA (0.125 mA)
Float Voltage ........................................... 13.8 V
Absorption Voltage .................................. 14.2 V
Disconnect/Reconnect Voltage ...... 11.4/12.5 V
(GV-5-Li: no absorption stage)
GV-5-Li-12.5V, Float Voltage, ............... 12.5 V
Disconnect/Reconnect Voltage ........ 9.3/10.5 V
GV-5-Li-14.2V, Float Voltage ................ 14.2 V
Disconnect/Reconnect Voltage ...... 12.0/12.4 V
GV-5-Li-16.7V, Float Voltage ................ 16.7 V
Disconnect/Reconnect Voltage ...... 12.4/14.0 V
Electrical Efficiency (typical) ........... 94% - 98%
Tracking Efficiency (typical) ...................... 99%
Continuous LVD Output .............................. 5+A
Operational Temperatures .......... -40ºC – 85ºC
Weight ............................................ 2.8 oz., 80 g
Size ............. 4.3 x 2.2 x 0.9", 11 x 5.6 x 2.5 cm
Note: The positive side of the battery is
connected to the positive side of the
solar panel.
Do not connect the solar panel
to your system ground!
The GV line of Solar Charge Controllers
with Maximum Power Point Tracking:
GV-4: Available for 12V Lithium or LeadAcid Batteries. Output current: up to 4A.
GV-5: Available for 12V Lithium or LeadAcid Batteries. Output current: up to 5A.
Low voltage disconnect for continuous
loads up to 5A.
GV-10: Available for 12V Lithium or
Lead-Acid Batteries. Output current: up
to 10.5A.
GV Boost Controllers for systems with
battery voltage higher than the panel
voltage. GV Boost Controllers are
available for systems with 12V, 24V, 36V,
and 48V battery voltages.
http://www.genasun.com
+1 617 369 9083 • info@genasun.com
1035 Cambridge St. • Suite 16B
Cambridge, MA 02141 • USA
GV-5
Genasun Solar Charge Controller
with Maximum Power Point Tracking
User’s Manual &
Operating Instructions:
Genasun GV-5 and GV-5-Li
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