Liebert EXL S1
Installation
User Manual 10H52226UM60 - Rev. 1 - 01/2017
47
3.7. Power connections
The power connections (see Fig.
24
-Fig.
37
) on the front of the UPS are:
• U, V, W - LINE POWER INPUT
• U1, V1, W1 - LINE POWER BYPASS (only at the standard UPS type)
• N - NEUTRAL BAR (PEN/N) (COMMON TEST POINT FOR PRIMARY INPUT NEUTRAL, BYPASS
INPUT NEUTRAL AND OUTPUT NEUTRAL)
• U2, V2, W2 - UPS OUTPUT TO LOAD
• D-, C+ - BATTERY TERMINALS
• GROUND CONNECTION (PE)
The 600/800/1000/1200kVA ratings are supplied without the maintenance bypass switch
(corresponding to QS3 on other ratings). It is recommended that the Customer provide an external
Bypass switch, ensuring that it is correctly rated (see Table 1 on page
38
, chap. 9. on page 1
02
).
Auxiliary signal contacts shall be assigned to a programmable input of XP11 (see Fig.
41
), so that the
status of the switch can be monitored during the normal operation.
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...