Liebert user manual Extra Low Voltage Connections, Liebert XDC heat rejection connection points

Product Description

Figure 15 50Hz models high voltage connections—secondary disconnect switch

	Power Connection
	From Primary
	Power Block
Secondary	Ground Lug
Disconnect
Switch	Pump Circuit
	Breakers
	Busbar
Pump Contactors

Transformer 2

Power Block

Fuse Blocks

Transformer 1

1.6Extra Low Voltage Connections

Extra Low Voltage (ELV) 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.

2.Route low voltage electrical connections through the appropriate knockouts as shown in Figure 17.

3.User interface and temperature/humidity sensor wire is NEC Class 2. All electrical installation must comply with all national, state and local requirements.

Figure 16 Liebert XDC heat rejection connection points

HEAT REJECTION CONNECTION Field-supplied 24V. Class 1 wiring to interlock heat rejection from pigtails: 70A and 71A - Compressor 1 circuit 70B and 71B - Compressor 2 circuit

70C and 71C - Dual Source relay (optional)

Electrical handy box, factory-installed with cover

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