2 input and output power connections, Input and output power connections – Liebert SmartSwitchTM User Manual

Page 10

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6 Unpacking and Installation

2.2

Input and Output Power Connections

All wiring should be installed by a qualified electrician. All wiring must comply with NEC and

applicable local codes.

If the unit is not furnished with input power cables, then input power connections are made to

terminal blocks located inside the unit. Refer to the unit outline drawings furnished with the unit

or Figure 2 and Figure 3 for the location of the input power connections. Terminal blocks for

switches rated 13 to 20 amps accept wires sizes of #14 to #10 AWG. Terminal blocks for switches

rated 25 to 60 amps accept wire sizes of #12 to #6 AWG.

!

WARNING
RISK OF ELECTRICAL SHOCK. HAZARDOUS VOLTAGES ARE

PRESENT INSIDE THE SMARTSWITCH. VERIFY THAT THE ALL

INPUT POWER SOURCES ARE DE-ENERGIZED AND LOCKED

OUT BEFORE MAKING CONNECTIONS INSIDE THE UNIT. THE

SMARTSWITCH IS INTENDED TO BE FED FROM TWO

SOURCES. BE SURE ALL SOURCES OF POWER ARE DE-

ENERGIZED AND LOCKED OUT BEFORE MAKING

CONNECTIONS INSIDE THE UNIT.

!

WARNING
RISK OF UNIT DAMAGE. THE SMARTSWITCH IS INTENDED TO

BE OPERATED FROM SOLIDLY GROUNDED POWER SOURCES.

OPERATION FROM OTHER THAN SOLIDLY GROUNDED

POWER SOURCES MAY CAUSE MISOPERATION OR DAMAGE

TO THE UNIT.

Wire Size

AWG

Tightening Torque

Lb.-in (N-m)

#14 - #10

20 (2.3)

#8

25 (2.9)

#6

35 (4.0)

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