12
Step 3: Solar
Connect the solar module(s) output to the Solar input connection of the
SunSaver Duo. Multiple 12V nominal modules may be wired together in
parallel and wired to the SunSaver Duo with one pair of wires. Use red
wire for solar positive and black wire for solar negative.
Confirm that the modules are wired for 12V nominal output before
connecting them to the SunSaver Duo. Double-check polarity before
connection. In full sun, the output voltage of the solar modules should
be 18 – 25 Volts before connection to the SunSaver Duo.
Upon connection of the solar positive wire, the SunSaver Duo should
begin the start-up sequence, flashing the Status LED 3 times.
Step 4: Remote Temperature Sensor (optional)
An optional Remote Temperature Sensor (purchased separately) mea-
sures the temperature directly at the battery for more accurate battery
charging. Remove the wire jumper from the RTS terminals before install-
ing the sensor. The RTS includes full installation instructions.
Step 5: Insert Fuses
Insert a 30 A dc-rated fuse into the fuse holder in each of the battery
positive wires. If the solar module(s) is in full sun, charging should begin.
NON-MOBILE / PERMANENT DWELLING INSTALLATION
A wire jumper is installed across the Remote Temperature
Sensor (RTS) terminals at the factory. The jumper can
prevent false RTS detection due to condensation on the
SunSaver Duo. Do not remove this jumper unless an
optional RTS is to be installed.
16
NON-MOBILE / PERMANENT DWELLING INSTALLATION
+
-
+
-
+
-
Battery
#2
Battery
#1
30A Fuse
30A Fuse
Solar PV
Array
Earth
Ground
Earth
Ground
Earth
Ground
Figure 6. Terrestrial wiring diagram
NOTE:
Earth grounding is recommended but not required. Grounding helps protect
against lightning by providing a direct path to earth. In areas prone to frequent
lightning strikes, external lightning arrestors and/or other means of protection may be
needed.
NOTE:
If a Remote temperature Sensor (RTS) is not used, inserting a jumper across
the RTS terminals can prevent false RTS detection due to condensation on the
SunSaver Duo. Secure a short piece of wire across the RTS terminals.
Step 1: Battery #1
Connect Battery #1 to the SunSaver Duo as shown in figure 6. If charging priority
is set to the default 90% / 10% setting, battery 1 will receive 90% priority. Use red
wire for battery positive and black for battery negative. An in-line fuse holder
should be wired in the positive line no further 12” ( 305 mm ) from the battery
post. Earth ground the battery negative post if desired using a short piece of
black wire appropriately sized for the system charging current (see back page).
Do not insert a fuse in the fuse holder at this time.
Step 3: Battery #2
Connect Battery #2 to the SunSaver Duo as shown in figure 6. Use red wire for
battery positive and black for battery negative. An in-line fuse holder should be
wired in the positive line no further 12” ( 305 mm ) from the battery post. Earth
ground the battery negative post if desired using a short piece of black wire
appropriately sized for the system charging current (see back page). Do not
insert a fuse in the fuse holder at this time.
Figure 6. Terrestrial wiring diagram
Содержание SUNSAVER DUO
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