ABB UniSec Operation And Maintenance Manual

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D I S T R I B U T I O N S O L U T I O N S
UniSec
Operation and maintenance manual
Contents
Safety
Introduction
1. Technical data
1.1 Electrical specifications
1.2 Internal arc withstand
classification
2. Design and manufacture
2.1 Manufacture of switchgear
and main components
2.2 Design conception of units and switchgears 7
2.3 Enclosure and segregation
2.4 General information about interlocks
3. Operating the switchgear
3.1 General recommendations and precautions 12
3.2 Putting into service
3.3 Switchgear actuation
3.4 Opening of doors and covers
3.5 Voltage indicators
3.6 Pressure monitoring devices
4. Service and maintenance
4.1 General recommendations and precautions 42
4.2 Maintenance intervals
4.3 Inspection
4.4 Servicing
4.5 Repairs
4.6 Replacement and assembly
of new switchgears
4.7 Spare parts, auxiliary materials
and lubricants
5. Troubleshooting
6. Recycling
6.1 General issues
6.2 Materials
A. Tightening torques for steel screws
and nuts/bolts
2
4
6
6
6
7
7
9
9
12
12
13
33
37
41
42
43
44
44
45
45
75
76
77
77
78