90
12 Routine Maintenance
12.1 Safety Instructions
Due to the effect of ambient temperature, humidity, dust and vibration, the MV Station
and the internal components will age and wear. To ensure the system safety and
maintain the efficiency of the MV Station, it is necessary to carry out routine and
periodic maintenance.
All measures, which can help the MV Station in good working conditions, are within the
maintenance scope.
The minimum maintenance distance around the MV Station should be reserved at all
times.
12.1.1 General Safety Rules
Lethal voltage inside the MV Station!
Wait at least 20 minutes after MV Station stops before opening the cabinet door.
Make sure the device internal is completely voltage free before any work on the
MV Station.
Only qualified personnel can perform the work described in this chapter.
Do not leave any screws, washers or other metallic parts inside the module to
avoid damages to the module.
Sand and moisture penetration may affect the performance of electric devices
inside the MV Station!
•
Do not perform electrical connection in sandy season or when the ambient
relative humidity is above 95%.
•
Perform electrical connection at fine weather days.
Summary of Contents for SG4950HV-MV
Page 2: ......
