Technical Specifications

Liebert XD Cooling Modules—Liebert XDCF, Liebert XDH, Liebert XDO, Liebert XDR and Liebert XDV

4.7 Connecting High-Voltage Wiring—Liebert XDH

The Liebert XDH requires single-phase power for normal operation. The module ships with two power

cords, each 10 feet (3m) long with NEMA 5-15 plugs, which connect to common, three-prong outlets

(see Figures 55 and 56).

Figure 55 Basic Liebert XDH electrical connections

Figure 56 Smart Liebert XDH electrical connections

Rear Door and

Side Panel not

shown for clarity

IEC Primary

and Secondary

Power Inlets

Strain relief points

for power cords

DPN001180

Pg. 4, Rev. 5

60Hz MODELS ONLY

Field-wiring connections

at terminal strip to be NEC

Class 2. Use switch contacts

with 75VA minimum rating.

50Hz MODELS ONLY

Field-wiring connections

at terminal strip for safety extra

low voltage circuits only. Use

switch contacts rated 75VA

minimum, 24VAC maximum.

Condensate Detection,

Remote Shutdown [37,38]

and Alarm Relay Dry

Contacts/Low Voltage

Connections (82 thru 87).

DPN001180

Pg. 4, Rev. 5

Strain Relief Points

for Power Cords

IEC Primary

and Secondary

Power Inlets

Bottom Half of the Liebert XDH_S

Primary and

Secondary

Circuit Breaker