ABB ACS850 Hardware Manual page 42

42
• The drawing below shows two typical cabinet cooling solutions. The air inlet is at
the bottom of the cabinet, while the outlet is at the top, either on the upper part of
the door or on the roof.
• The internal cooling fans of the drive modules and reactors/chokes are usually
sufficient to keep the component temperatures low enough in IP22 cabinets.
• In IP54 cabinets, thick filter mats are used to prevent water splashes from
entering the cabinet. This entails the installation of additional cooling equipment,
such as a hot air exhaust fan.
• See page
• allowed temperature rise inside the cabinet
• allowed pressure drop over the cabinet that the module fan can overcome
• air inlet and outlet sizes required for the module cooling and recommended
Planning the cabinet installation
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Air outlet
Air inlet
117 for:
filter material (if used).