Emerson 610 ユーザーズマニュアル
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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.