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Installation
30
The AC wire is field-supplied. Wire size and installation must comply with all applicable local,
regional and national regulations (e.g., National Electric Code for USA). An 18 AWG cable (approxi-
mate metric equivalent: 0.82mm
2
wire section) is recommended for this connection.
Figure 32 shows the auxiliary power fused disconnect and terminals 1, 2 and 3, the landing points
for the AC wire on the Liebert FS side. Open the circuit while wiring, check the fuses and close after-
wards when ready to test or start up Liebert FS.
Figure 32 Auxiliary power fused disconnect with connection points for AC wire
The AC wire should be pulled from the left (top access recommended) and through the rear top access
panel (see Figure 33). Run the AC wire along the underside of the top cabinet frame rail from the
rear to the front of the cabinet. Terminate the AC wire at the fused disconnect (pictured in Figure 32;
see also Figure 26).
Figure 33 Top access panel
Terminal 1
Neutral
Terminal 2
Line
Terminal 3
Ground
Fused disconnect
Top access
panel for
AC auxiliary
power supply
connections
Front of Liebert FS
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