Liebert XDC user manual High Voltage Connections, Connecting High-Voltage Cables

Product Description

1.5High Voltage Connections

Make sure the actual supply voltage and frequency correspond to the voltage and frequency indicated on the Liebert XDC’s rating plate.

Connect cables for high voltage supply to the electrical box in the Liebert XDC according to Figures 5, 11 and 12 and make sure that the phases are correctly connected.

! WARNING

Risk of electric shock. Can cause death or injury.

Disconnect all local and electric remote power supplies before working within.

! CAUTION

Risk of sharp edges and heavy parts. May cause personal injury or equipment damage. Wear gloves to prevent injury to hands.

Damage to wiring or components can make unit unsafe to operate.

Use caution when installing wiring to prevent damage to factory wiring. Install protective bushings in wiring knockouts as required

Do not disturb factory wiring or route field-installed wiring over electrical terminals. Use NEC Class 1 wiring for all hazardous voltage electrical power supplies.

Check and retighten all wiring connections before starting the unit.

NOTE

Before beginning to install the Liebert XDC, read all instructions, verify that all the parts are included and check the nameplate to be sure the Liebert XDC voltage matches available utility power.

Follow all local codes.

1.5.1Connecting High-Voltage Cables

1.Turn the Liebert XDC’s primary disconnect switch to the Off position (see Figure 10). Open the front doors and push down on the enclosure cover latch to open the hazardous voltage enclosure cover.

Figure 10 Front view of Liebert XDC and electrical enclosures

Primary Disconnect	Secondary Disconnect
Switch	Switch
	Status Lamps
	User Interface

Enclosure Cover Latch

Enclosure Cover Latch

Hazardous Voltage	Hazardous Voltage
Enclosure Cover
	Enclosure Cover
PRIMARY	SECONDARY
ELECTRICAL ENCLOSURE	ELECTRICAL ENCLOSURE
COMPRESSOR SECTION	PUMP SECTION

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