Campbell UT10, Instruction Manual

Page: 29 / 70

UT10 Universal Tower
19
2. Make sure the red and black wires attached to the +12V and
⏚
terminals
on the PS100 are connected to the 12V and G terminals on the CR1000
Wiring Panel.
3. An AC transformer or unregulated solar panel (Section 8.1.5 , Solar Panel
(p. 19)
) should be connected to the PS100 at all times. Connect the lead
wires from the transformer or solar panel without regard to polarity to the
two terminals labeled “CHG” (FIGURE
8-4 ); the red LED should light
when voltage is present.
The wall transformer converts 120 Vac input to 18 Vac output.
Maximum charging current is 1.1 A.
Maximum input voltage into the “CHG” terminals is 26
Vac or 26 Vdc. Do not connect 110 Vac directly to “CHG”
terminals.
4. Turn power switch to “ON”, and replace cover.
8.1.5 Solar Panel
Solar panels purchased from Campbell Scientific are shipped with a charge
plug taped to the back of the panel. The charge plug is not used with the
PS100. Refer to the solar panel manual for installation instructions.
1. Mount the solar panel to the mast, facing south (northern hemisphere).
Position the solar panel at the top of the 1 1/4-inch diameter section of the
mast. Install using its mounting hardware (see FIGURE
8-5 ).
2. The solar panel should be oriented to receive maximum insolation over the
course of the year. Suggested tilt angles (referenced to the horizontal
plane) are listed below.
Site Latitude Tilt Angle
0 - 10 degrees 10 degrees
11 - 20 La 5 degrees
21 - 45 La 10 degrees
46 - 65 La 15 degrees
> 65 80 degrees
3. After determining the tilt angle, loosen the two bolts that attach the
mounting bracket to the panel. Adjust the angle, then tighten the bolts.
Secure the lead wire to the mast using wire ties.
NOTE
WARNING