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TP48200A-HX09A3, TP48200A-HX09A4, TBC300A-DCA3, TBC300A-DCA5, TBC300A-TCA2 Outdoor Power System User Manual

This document describes the DC power systems in terms of their features, configurations, components, and maintenance methods.
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Replacing the Direct Ventilation Fan

Replacing the Direct Ventilation Fan


  • You have obtained the cabinet door key, and maintenance tool box.

  • The new fan is intact.


  1. Switch the corresponding circuit breaker on the direct ventilation fan to OFF.
  2. Record the positions where the direct ventilation fan connects to all cables, and then disconnect terminals corresponding to the cables on the control board.
  3. Remove the direct ventilation fan, as shown in Figure 4-17.

    Figure 4-17  Removing the direct ventilation fan

  4. Install a new fan.
  5. Connect the cables and bind the cable ties properly.
  6. Power on the module to check whether the alarm is cleared.
Updated: 2019-03-05

Document ID: EDOC1000036238

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