Figure 6-9 Electrical Field Connections (High-Voltage), Upflow, Cw089 - Cw114 - Emerson CW026 Design Manual

Figure 6-9 Electrical field connections (high-voltage), upflow, CW089 – CW114
Three phase electric service not by
Liebert.
Field supplied disconnect switch when factory installed unit disconnect is not
provided. Select per National and local codes.
Three phase connection.
Electric service connection
terminals when factory fused
disconnect switch is supplied.
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)
Earth ground connection (60HZ).
Connection terminal for field supplied
earth grounding wire.
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.
Factory installed unit disconnect switch (optional).
Monitoring panel.
77
Electrical Field Connections—Upflow Models
Fused disconnect view
Three phase connection (50Hz).
Electrical service connection
terminals when factory disconnect
switch is NOT supplied.
Earth ground bar (on 50HZ only).
Connection terminals with factory ground
from each high voltage component for
field supplied earth grounding wire.
Main fuseblock and fuses not present when
fused disconnect installed or on 50Hz units.
Three phase connection (60Hz).
Electric service connection terminals when
factory disconnect switch is NOT supplied.
®
Liebert CW
DPN003202
Rev. 1
™
System Design Manual