Configuring Your Neutral and Ground Connections
19
Figure 9
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 SERIES 610
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Page 45: ...Installation Drawings 39 Figure 20 Battery power pack system 88 797616 03 Rev 08...
Page 46: ...Installation Drawings 40 Figure 21 Battery power pack Size A 88 797616 01 Rev 10...
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Page 85: ...Site Planning Data Series 610 100 225kVA Multi Module Systems 79 NOTES...
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