Configuring Your Neutral and Ground Connections
19
Figure 9
Preferred grounding configuration, impedance-grounded wye
These configurations have the same restrictions as explained in
6.2 - Alternate Grounding Config-
uration, Wye-Connected Service
, except for the wye input. The UPS input and bypass must be fed
from the same source. The load must be strictly 3-wire. And the GFI time delay should be set to at
least 0.2 seconds to prevent tripping during transfer or retransfer operations.
!
CAUTION
Failure to properly set the ground fault interrupters could cause loss of power to the critical
load.
Summary of Contents for Liebert Series 610
Page 69: ...Installation Drawings 63 Figure 44 Battery power pack system 88 797616 03 Rev 08 ...
Page 70: ...Installation Drawings 64 Figure 45 Battery power pack Size A 88 797616 01 Rev 10 ...
Page 104: ...Installation Drawings 98 ...
Page 109: ...Site Planning Data Series 610 500 750kVA Multi Module Systems 103 NOTES ...
Page 110: ...Site Planning Data Series 610 500 750kVA Multi Module Systems 104 ...
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