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861-9601.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • Revision 11
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Installation
33
Commissioning
33.1
Checking the installation work
➭ Carry out a final check to make sure that all installation work has been performed according
to these installation instructions (see page 40, "Installation").
33.2
Test operation
Read the operating instructions before the test operation. Test operation helps you to verify
the proper operation of the switchgear
without high voltage
.
The work described below must be performed on each panel.
WARNING
Hazardous voltage
Can cause death or injury.
➭ Perform mechanical function test with primary part de-energized and without auxiliary
voltage. Do not perform mechanical function test while energized.
➭ Do not energize switchgear until mechanical function test has been successfully
completed.
WARNING
High speed moving parts
Can cause serious injury.
Do not remove the front cover of the operating mechanism until the following actions have
been performed:
➭ To avoid impermissible switching operations, switch off auxiliary voltage, e.g.:
- Switch the auxiliary voltage supply of the motor.
- Trip the MCB.
- Disconnect the control cables from the low-voltage compartment.
➭ To discharge the spring energy store in the operating mechanism, execute the following
instructions:
- Actuate the manual OFF pushbutton.
- Actuate the manual ON pushbutton.
- Actuate the manual OFF pushbutton again.
➭ Check if the "spring charged" indicator shows "spring charged".
CAUTION
High speed moving parts
Using an incorrect hand crank can cause injury.
➭ Use exclusively the hand crank provided with the switchgear accessories.
The hand crank supplied features a freewheel function. The freewheel function
disconnects an inserted hand crank from the charging system when the motor charges the
closing spring.