Liebert Refrigerant Distribution Unit XDP - Manual (Page 15)

Product Description
9
Figure 13 High voltage connections—50Hz
1.7 Extra Low Voltage (ELV) Connections
Extra Low Voltage power output is 30V and 100VA or less.
1. Turn off all unit power before connecting cables or wires. Failure to do so may damage this
equipment (refer to Figure 14).
2. Route low voltage electrical connections through the appropriate knockouts as indicated below.
3. User interface requires four thermostat-type wires (jacketed) connected to the control board (see
Figure 15).
Figure 14 Electrical enclosure knockout locations for Extra Low Voltage
Busbar
Customer Power
Connection
Pump Circuit
Breakers
Pump Contactors
Ground Lug
Disconnect Switch
Transformer 1
Power Block
Transformer 2
Fuse Blocks
Liebert XD Module Condensate
Connections (optional;
depends on features
supplied with Liebert XD Module) User Interface
(Wall Box) Wiring
Temperature/Humidity
Sensor Wiring
Alternate Knockout
for Temperature/Humidity
Sensor Wiring
Enclosure Cover Not Shown for Clarity