28 Operation principle and hardware description
VFD to Maintenance
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Open QF1
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Unlock the mode selection switch
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Set the mode selection switch to "Local position"
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Open KM2
•
Open KM1
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Set the mode selection switch to "Stop position"
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Lock the mode selection switch.
Bypass to Maintenance
•
Open QF1
•
Unlock the mode selection switch
•
Set the mode selection switch to "Local position"
•
Open KM3
•
Set the mode selection switch to "Stop position"
•
Lock the mode selection switch.