VTEL IPanel 4200 Manuel d'installation télécharger pdf (Page 63)

Grid Director 4200 Installation Manual

includes eight fans with fan speed control; fan speed is dynamically controlled as a function of

temperature.

LED indications provide an onsite report on the operating conditions of the air cooling system

modules, and provide an alarm indicator in the event of a high temperature condition.

Figure 19: sFU-42H Horizontal Fan Unit

Refer to LED Indications for a comprehensive list of LEDs, LED description and

functionality.

 To replace the sFU-42H Horizontal Fan Unit:

1. Loosen the four screws that secure the sFU-42H Horizontal Fan Unit to the chassis.

2. Remove the sFU-42H Horizontal Fan Unit by sliding it out of the chassis.

3. Replace with a new sFU-42H Horizontal Fan Unit and tighten the four screws (within five

minutes).

4. Listen for proper fan operation and check the LEDs.

Chapter 8

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VTEL IPanel 4200 Manuel d'installation Page 63