Electrical
7.0ELECTRICAL
The unit must be installed in accordance with national wiring regulations. Refer to the unit’s serial tag for electrical requirements. Refer to Table 5 for details.
Replacement of any wiring or supply cord must be performed only by the manufacturer, the manufac- turer’s service agent or a similarly qualified person.
7.1Connecting High Voltage Cables for CSA/C-US Certified Units
! WARNING
Risk of electric shock. Can cause injury or death.
Disconnect all local and remote electric power before working within the unit.
Connect IEC power cords to each receptacle on the Liebert XDV and to power sources. If only one power source is available, then only the power connection labeled “SECONDARY” should be con- nected to the power source. See Figures 33 and 34 for location of power connections.
Figure 33 Liebert XDV electrical connections for CSA-approved units
60Hz MODELS ONLY.
FIELD WIRING
CONNECTIONS
AT TERMINAL STRIP TO BE N.E.C. CLASS 2 USE SWITCH CONTACTS WITH 75 V.A.
MINIMUM
50Hz MODELS ONLY.
FIELD WIRING
CONNECTIONS
AT TERMINAL STRIP FOR SAFETY EXTRA LOW VOLTAGE CIRCUITS ONLY. USE SWITCH CONTACTS RATED
75 V.A. MINIMUM,
24 VOLTS AC
MAXIMUM.
1774241 P1 REV1
82 83
A
M
P
PRIMARY
POWER
SOURCE
SECONDARY
1774241P1
Rear of
Liebert XDV
Right Side of Liebert XDV
Condensate Detection
Dry Contacts – Low
Voltage Connections
Primary
Circuit
Breaker
IEC Primary and
Secondary
Power Inlet
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.
A
M
P
Secondary Circuit Breaker
Rear of Liebert XDV
30
