22
Recommended sequence of operations
Operation instructions
cgm.
3
ENA type
IG-235-EN version 02
Fig. 2.30:
Opening from earth for AV and RAV (3G)
mechanisms
2.7.2
Closing operation from the open position
Initial conditions:
Earthing switch open, circuit breaker
closed and springs charged.
1)
Open the circuit breaker by pressing the “0” button
on the front push-button and check the status
indicator.
2)
Move and hold the access lever in the grey
actuation area to its lower position.
3)
Insert the handle in the switch-disconnector
actuation shaft and turn clockwise.
4)
Remove the handle. The lever returns to its original
position.
5)
Close the circuit breaker by pressing button “I”, and
check the status indicator.
Manual Driving Mechanism AV/RAV (3G):
Charge
springs, operating the charge handle (see section
2.2.2 Spring charging handle for circuit breaker driving
mechanisms
), until the spring loading indicator reads
"CHARGED". Once the spring has been charged, close the
switch by pressing the close button; then check the status
indicator and whether voltage is present in the
ekor.
vpis
unit.
Motorised Driving Mechanism AMV/RAMV (3G):
Close
the switch by pressing the closing button; then check the
status indicator and whether voltage is present in the
ekor.
vpis
unit.
The switch-disconnector can be closed independently.
