S&C Instruction Sheet 768-550 17
Installation
Placing the Communication and Control Unit
into Operation
WARNING
Before energizing the switch and at all times when
energized, the Scada-Mate Switch base and control unit
enclosure must be connected to a suitable earth ground
at the base of the pole in accordance with the S&C
instruction sheets furnished . The switch base ground
must also be connected to the system neu tral . If the
system neutral is not present, proper precautions
must be taken to make sure the local earth ground
cannot be sev ered or removed . Failure to observe these
instructions can result in serious personal injury due to
electrical shock .
STEP 15.
Energize the automated switch in accordance with
standard operating practices.
For Type CCU-SP:
Confirm that the battery charger input selector
switch is in the
Voltage Sensor Source
position.
Then, place the battery charger power switch in
the
On
position and confirm that the POWER LED
display is lit and the CHARGER OVERVOLTAGE and
BATTERY LOW LED displays are not lit.
When the control unit is first powered, the
mechanism on the automated switch may begin
charging the spring if it was not fully charged. The
mechanism will take approxi mately 3 seconds to
charge after each operation. See Figure 14.
For Type CCU-XP:
When ac power is connected to the con trol unit, it
will be energized.
When the control unit is first powered, the
mechanism on the automated switch may begin
charging the spring if it was not fully charged. The
mechanism will take approxi mately 3 seconds to
charge after each operation. See Figure 14.
For a vertical configuration switch, or if the
“H” option was specified, it may take 30 seconds
to one minute for the mechanism to charge after
each operation.
STEP 16.
If the remote terminal unit is provided with a
power switch, verify that the switch is in the
On
position.
Figure 14. The switch mechanism.
Switch mechanism