Dimensional and Electrical Data

Figure 4 Electrical field connections, VFD control condensers

Factory-installed fuse block on 60Hz units. Circuit breaker supplied in lieu of fuse block on 50Hz units.

Factory-wired to 24V control circuit.

Control interlock (70, 71) Field-supplied

Class 1 wiring to interlock condenser 24V controls to Liebert room unit; 7/8 in. (22.2mm) diameter hole provided in bottom of electric box.

Alarm Connections Field-supplied 24V Class 1 wiring to remote alarm circuits Variable Frequency Drive (VFD) alarm contact connections (11, 12)

Transient Voltage Surge Suppressor (TVSS) alarm contact connections (13, 14).

Electric service connection terminals with factory- supplied disconnect.

Factory-installed disconnect switch.

Electric service entrance. A 7/8" (22.2mm) diameter

hole in a 1-1/8 in (28.6mm) knockout provided in bottom of electric box.

Factory wired to components

Earth ground connection (60Hz).

 

on electric panel.

Electric service,

Connection terminal for

 

not by Liebert

Earth ground bar (optional on 50Hz only). field-supplied earth grounding wire

 

Connection terminals with factory

when factory disconnect is supplied.

 

ground from each high voltage

 

 

component for field-supplied

 

 

earth grounding wire.

NOTE: Refer to specification sheet for Full Load Amp and Wire Size Amp ratings.

DPN001051 Rev. 0

6

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Emerson TCDVTM manual Electrical field connections, VFD control condensers