Liebert Extreme Density Chiller XDC - Manual (Page 16)

Product Description
10
1.5 High 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.
1.5.1 Connecting 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
!
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.
Enclosure Cove r La tc h
Enclosure Cover La tch
Hazardous Voltage
Enclosure Cover
Hazardous Voltage
Enclosure Cover
Primary Disconnect
Switch
Status Lamp s
Us er Interface
Secondary Disconnect
Switch
SECONDARY
ELECTRICAL ENCLOSURE
PUMP SECTION
PRIMARY
ELECTRICAL ENCLOSURE
COMPRESSOR SECTION