Anchor and Load Requirements of Seismic Installation
93 Liebert
®
CW
™
System Design Manual
Figure A-9 Seismic electrical wiring considerations
Three phase electrical and low voltage
connections not by Liebert.
Factory installed unit disconnect switch (optional).
Seismic compensation
Seismic
compensation
Field supplied disconnect switch
when factory installed unit
disconnect switch is not provided.
Monitoring panel.
Three phase electrical and low voltage
connections not by Liebert (CW106U & CW114U ONLY).
Three phase electrical and low voltage
connections not by Liebert.
Seismic compensation
Field supplied disconnect
switch when factory
installed unit disconnect
switch is not provided.
Factory installed unit disconnect switch (optional).
Monitoring panel.
Flexible conduit and conductors must be provided to allow for movement of the unit in three dimensions
during a seismic event. The flexible conduit shall have at least one bend between the rigid connection at
the unit cabinet and the connection to rigid conduit or foundation.
Monitoring panel and disconnect are switched on CW106U, CW114U, CW089D, CW106D & CW114D.
DO WN FLO W MO DELS
UPFLO W MO DELS
NO TE S
DPN003209
Pg. 8 Rev. 2
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