Rockwell Automation 1784-KTXD User Manual Page 62

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Publication 1747-UM011F-EN-P - May 2007
62 System Installation Recommendations
Preventing Excessive Heat
For most applications, normal convection cooling will keep the
SLC 500 controller components within the specified operating range of
0 °C...60 °C (32 °F...140 °F). Proper spacing of components within the
enclosure is usually sufficient for heat dissipation.
In some applications, a substantial amount of heat is produced by
other equipment inside or outside the enclosure. In this case, place
blower fans inside the enclosure to assist in air circulation and to
reduce hot spots near the SLC 500 controller.
Additional cooling provisions might be necessary when high ambient
temperatures are encountered.
IMPORTANT
Do not bring in unfiltered outside air. It may introduce harmful
contaminants of dirt that could cause improper operation or
damage to components. In extreme cases, you may need to use
air conditioning to protect against heat build-up within the
enclosure.
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