Inspection and Installation

3.8Electrical Field Connection Descriptions

Figure 19 Electrical field connections for Fan Speed Control Condensers

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.

Electric service connection terminals when factory disconnect is NOT supplied.

Electric service connection terminals when factory disconnect is supplied.

Factory installed disconnect switch (optional).

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 terminals for field supplied earth grounding wire when factory disconnect is NOT supplied.

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

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

NOTE: Refer to specification sheet for full load amp. and wire size amp. ratings.

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Liebert 308 415, 83, 205 251, 104 165 Electrical Field Connection Descriptions, Electric service connection and fuse block