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Inspection and Installation
23
3.8 Electrical Field Connection Descriptions
Figure 19 Electrical field connections for Fan Speed Control Condensers
Earth ground connection (60Hz).
Connection terminals for field
supplied earth grounding wire
when factory disconnect is NOT
supplied.
Electric service, not by Liebert.
Single-phase for condenser
models CSF, CDF with single
fan motor. Three-phase for
all other condenser models.
DPN000666
Rev. 0
Electric service connection
terminals when factory
disconnect is NOT supplied.
Electric service connection
terminals when factory
disconnect is supplied.
Electric service entrance. A 7/8
in. (22.2mm) diameter hole in a
1 1/8 in (28.6mm) knockout
provided in bottom of electric box.
Factory installed disconnect
switch (optional).
Electric service connection
and fuse block.
Factory wired to 24V
Class 2 control circuit.
Factory-wired to components
on electric panel.
Earth ground bar (optional on 50Hz only).
Connection terminals with factory
ground from each high voltage
component for field-supplied
earth grounding wire.
Earth ground connection (60Hz).
Connection terminal for field-
supplied earth grounding wire
when factory disconnect is
supplied.
Control interlock (70, 71)
Field-supplied Class 2 wiring to
interlock condenser 24V controls
to Liebert room unit;
7/8 in. (22.2mm) diameter
hole provided in bottom
of electric box.
NOTE: Refer to specification sheet for full load amp. and wire size amp. ratings.