Installation
Liebert EXL S1
46
User Manual 10H52226UM60 - Rev. 1 - 01/2017
Figure
23
- External protection devices
3.6. External electrical connections
To access the external electrical connections, open the front door of the UPS and remove the
secondary access panel (see Fig.
19
-Fig.
22
). Connect the ground cable (PE) first at .
Make sure the UPS is isolated before removing panels.
Notice
For a TN-C distribution system, connect an insulated jumper between UPS ground
and the UPS Neutral connector.
Refer to local Standards and regulations for the correct jumper cross
section.
Connect line power cable PEN to the UPS Neutral connector (N).
Notice
Ensure that the line power and load conductors are connected to the UPS as a
clockwise (right hand) 3 phase system.
Bypass Line Power Supply
External
Protection
FUSE
Backfeed
Protection
Disconnector
UPS
X29
To loads
Summary of Contents for Liebert EXL
Page 1: ...Liebert EXL User Manual...
Page 2: ...Liebert EXL UNINTERRUPTIBLE POWER SUPPLY USER MANUAL 10H52226UM60 rev 1...
Page 7: ...Liebert EXL S1 6 User Manual 10H52226UM60 Rev 1 01 2017...
Page 36: ...Preparation For Use Liebert EXL S1 35 User Manual 10H52226UM60 Rev 1 01 2017 BLANK PAGE...
Page 74: ...CONNECTIVITY PANELS Liebert EXL S1 73 User Manual 10H52226UM60 Rev 1 01 2017 BLANK PAGE...
Page 84: ...Normal and safe operation Liebert EXL S1 83 User Manual 10H52226UM60 Rev 1 01 2017 BLANK PAGE...
Page 86: ...Maintenance Liebert EXL S1 85 User Manual 10H52226UM60 Rev 1 01 2017 BLANK PAGE...
Page 94: ...PARALLEL CONFIGURATION Liebert EXL S1 93 User Manual 10H52226UM60 Rev 1 01 2017 BLANK PAGE...
Page 102: ...Options Liebert EXL S1 101 User Manual 10H52226UM60 Rev 1 01 2017 BLANK PAGE...