ABB ACS2000 User Manual page 31

p o w e r e l e c T r o n i c S a n d c a b i n e T f e aT U r e S
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Doors and door locks
31
To ensure safety and to prevent the doors from
Door locks
being opened unintentionally, both doors are
lockable, and the AFE/INU compartment door
where medium voltage is present during operation
is mechanically interlocked. The door locks also
have inserts to ensure that these doors can only
be opened by personnel authorized to do so.
1
2
3
2
1
Door of control compartment with swing frame: lockable
Cover plates behind the control compartment for power terminal entry unit access: bolted
Cover of input filter compartment: bolted
The ventilation grill can be removed during operation to replace the filter mat
Door of AFE/INU compartment: Mechanically interlocked and lockable
Door cannot be opened when the main power has been applied
Door cannot be opened when the drive is ungrounded
The ventilation grills can be removed during operation to replace the filter mat
3
31
round key
Triangular key