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7.2 Connecting Low Voltage Wiring—Optional
Low voltage connections to the Liebert XDV are available only on units with the optional condensate
detection feature. The low voltage connections are on the right side of the electrical connections box,
just above the power connections (see Figure 35). These dry contacts can to be connected to a moni-
toring unit, such as Liebert’s SiteScan®.
For units equipped with condensate detection, make low voltage connections according to site-specific
drawings. The unit must be installed in accordance with national wiring regulations.
Figure 35 Low voltage connections
Rear View of Liebert XDV
Condensate Detection Connections
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.
60Hz MODELS ONLY.
FIELD WIRING
CONNECTIONS
AT TERMINAL STRIP
TO BE N.E.C. CLASS 2
USE SWITCH
CONTACTS WITH 75 V.A.
MINIMUM RATING.
1774241P1 REV 1
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.
60Hz MODELS ONLY.
FIELD WIRING
CONNECTIONS
AT TERMINAL STRIP
TO BE N.E.C. CLASS 2
USE SWITCH
CONTACTS WITH 75 V.A.
MINIMUM RATING.
1774241P1 REV 1