Electrical Field Connections—Upflow Models
77
Liebert
®
CW
™
System Design Manual
Figure 6-9 Electrical field connections (high-voltage), upflow, CW089 – CW114
2 3
Field supplied disconnect switch when factory installed unit disconnect is not
provided. Select per National and local codes.
Factory installed unit disconnect switch (optional).
Monitoring panel.
Three phase electric service not by
Liebert.
Earth ground connection (60HZ).
Connection terminal for field supplied
earth grounding wire.
Earth ground bar (on 50HZ only).
Connection terminals with factory ground
from each high voltage component for
field supplied earth grounding wire.
Three phase connection (60Hz).
Electric service connection terminals when
factory disconnect switch is NOT supplied.
Three phase connection.
Electric
service connection terminals when
factory disconnect switch is supplied.
Factory installed disconnect
switch (optional ). May be fused
disconnect with internal fuses.
Three phase electric service
not by Liebert.
Electrical conduit knockouts
in top of electrical box.
Knockout sizes 1-3/8" (35mm),
1-3/4" (45mm) or 2-1/2" (64mm)
Three phase connection.
Electric service connection
terminals when factory fused
disconnect switch is supplied.
Fused disconnect view
Main fuseblock and fuses not present when
fused disconnect installed or on 50Hz units.
Three phase connection (50Hz).
Electrical service connection
terminals when factory disconnect
switch is NOT supplied.
DPN003202
Rev. 1
Содержание CW089
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