21 and – Liebert Air Cooled User Manual

Page 29

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Inspection and Installation

25

Figure 21 Electrical field connections for Liebert Lee-Temp control condensers

70

71

Electric service. Three-phase for
all models. Wiring not by Liebert.

DPN000683
Rev. 0

Lee-Temp receiver tank (1 per circuit).
NOTE: Standard heater pads are 150 watts each.
(Optional 300 watt heater pads are available.)
Standard heater pad voltage is 230V. (120V
heater pad voltage is optional.)

Electrical connection box with cover.

Electrical service connection.
Pigtails in electric handy
box are factory wired to Lee-
Temp heater pads for field
connection of separate
continuous electric source,
wiring not by Liebert.

Electric service connection
terminals when factory
disconnect is NOT supplied.

Electric service connection
terminals when factory
disconnect is supplied.

Factory-installed disconnect
switch (optional).

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.

Earth ground connection (60Hz).
Connection terminal for field-supplied
earth grounding wire when factory disconnect
is supplied.

Earth ground connection (60Hz).
Connection terminal for field-supplied
earth grounding wire when factory
disconnect is NOT supplied.

Earth ground bar (optional on 50Hz only).
Connection terminals with factory ground
from each high-voltage component
for field-supplied earth grounding wire.

Factory-wired to components
on electric panel.

Electric service connection
and fuse block.

Factory wired to 24V
Class 2 control circuit.

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.

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