Remove Recloser from Service
1. Block ground tripping via the control panel. Refer to the
instructions for the control connected to the recloser.
2. Close all three bypass switches.
3. Pull down the yellow operating handle with a hotstick.
The yellow operating handle is located under the
recloser sleet hood.
The control will sense that the recloser is open and
provide OPEN/LOCKOUT indication on the front panel.
4. Open the source and load disconnect switches.
5. Disconnect the control battery.
6. Remove the control AC sensing and power connec-
tions from the control using a separate disconnect
switch.
7. Disconnect the control cable from the recloser.
8. Follow standard utility procedures regarding removal of
recloser from service.
• Cooper Power Systems recommends transporting
NOVA reclosers in the closed position to maximize
the operational performance of the unit.
Grounding the NOVA Recloser
3-Wire Ungrounded and Impedance
Grounded Systems
The use of a grounding mat may be required depending
upon the local safety regulations defining the permissible
step and touch potential levels. Consult local regulations
for proper grounding procedures.
S280-42-1
11
!
SAFETY
NOW
!
SAFETY
FIRST
!
SAFETY
FOR YOUR SAKE
!
SAFETY
MAKES SENSE
!
SAFETY
USE IT
!
SAFETY
FOR LIFE
IMPORTANT: In pole-mounted applications, a ground
connection must be made between the recloser, trans-
former, recloser control, and SCADA equipment for
proper protection of the equipment. The pole ground
must be sized per local utility practices to minimize the
impedance between the recloser and the control.
IMPORTANT: All external inputs to the control must be
routed within 8 inches of their corresponding ground.
During a surge, a potential of approximately 1.5 kV per
foot can develop in the conductors. Differences between
conductor and ground path lengths can add additional
stress to the control components in the event of a power
surge.
IMPORTANT: Any external voltage sensor installed with
the NOVA recloser must have its ground referenced to
the recloser ground.
IMPORTANT: Disconnect switches for AC sensing and
power connections are necessary to isolate the control
for testing and servicing.
CAUTION: Equipment misoperation. Disconnect all
control power sources prior to disconnecting or recon-
necting the control cable from the control. Failure to
comply can result in recloser misoperation at the time of
disconnection or reconnection of the control cable to the
control. T311.1
CAUTION: Hazardous voltage. Open CT second-
aries can generate high voltages. Contact with CT
pins of the disconnected cable can cause electric shock
and may result in personal injury. Open recloser contacts
and open disconnect switches before disconnecting
control cable. T204.3
CAUTION: Hazardous voltage. Cable conductors
attached to controls will remain at 53 VDC and 120
VAC potential while connected to the control. Contact
with any pins at the end of the cable directly or indirectly
connected to a control can result in personal injury or
equipment damage. Disconnect battery and external
power sources in the control then remove control cable at
control end before disconnecting from recloser end. T312.2
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