User's Manual

CHAPTER2
InstallingtheRTU
9
The LED tool is shown in Figure 2.
Figure 2. LED tool
Note: The LED tool is a blind plug to be connected to the SOLAR connector.
Follow these steps to install an A753 in the field:
1. Review the installation area and choose the best site.
2. Assemble the pole set.
3. Put an Adcon plastic cap into the top of the pole and secure it
with a pipe clamp to protect the top of the pole from damage.
4. Using a hammer, drive the 80 cm aluminum rod into the ground.
5. Using the pipe clamp supplied, fasten the solar panel onto the
po
le. Make sure that the panel is facing south (north if you are
located in the southern hemisphere) and out of the way of the
A753 RTU.
Note: The solar panel can be mounted under or
behind the A75x RTU, but
make sure that the RTU does not shadow the panel.
6. Fasten the A75x RTU to the top of the pole with a pipe clamp.
Adcon r
ecommends that you perform a connectivity test, if you
can, to check the positioning of the device.
 WARNING If you turn the fastening screws too tightly, you could damage the
connectors.
7. Attach the sensors to the I/O connectors and the solar panel to
the POWER connector by turning the plugs’ fastening screws
clockwise until secure.
8. If you have SDI-12 sensors, attach the respective sensors.
This completes the installation of your A753. If the SOLAR CELL
connector or the DC INPUT connector is left unused, use the cap
provided to protect it against moisture and dust. Be sure to keep the
following information in a place you can remember:
Serial number of the A753 (printed on the type plate)
Location of the A753
Note: This information will be necessary during the configuration of the
device at the A850 Gateway.
MoreabouttheLEDTool
The LED tool allows you to rapidly check the status of an A753. See
Tab l e 1 on page 10 which describes the LED blinking codes for the
A753.