
4-8
Installing 575 System Hardware SIMATIC 545/555/575 System Manual
Installing the Fan Assembly (continued)
Mount the fan assembly under the lower guiderails, attaching it with three
screws (provided) to each side panel, as shown in Figure 4-2. Be sure to
orient the fan assembly with the replaceable fuse at the front and the AC
power connection and voltage selector switch at the rear of the unit.
Front of Fan Assembly
with Fuse Holder
Figure 4-2 Installing the Fan Assembly
Mounting the Fan
Assembly
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