Dell C7008/C300 Installation Manual download pdf (Page 18)

18 | Installing C300 Fan Tray

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To install the fan tray:

NOTE: The fan tray LED will remain lit when the chassis is ed up and the fan tray is functioning properly.

Removing the Fan Tray

A fan tray failure or a failure of a fan within a fan tray is recognized by a red fan tray LED, a lit RPM

alarm LED, and, if configured, an SNMP trap and alarm event. The failure requires a replacement of the

entire fan tray. While you replace the fan tray, the C300 system operates safely for approximately two (2)

minutes at an ambient temperature of 77° F (25° C).

To remove the fan tray, you must be able to pull the fan tray completely out of the slot (at least 20 inches)

NOTE: The fan tray must always be installed to ensure proper temperature and airflow control.

CAUTION: Fan blades rotate at high speeds and may cause injury if touched. Adhere to the following

instructions to avoid possible injury.

To remove the fan tray:

Fan Speed

C300 variable speed fan speed is driven by temperatures measured at the sensor in the fan tray alone. The

sensor is located on the fan tray controller located in the fan tray.

Table 4-1

shows the sensor temperature

that determines the fan speed.

C300 fixed speed fan speed is constant and does not change with temperature.

Step Task

1 Slide the connector end into the fan slot (see

Figure 4-1

2 Gently push on the front of the tray until it stops. The fan tray should be flush with the chassis.

3 Use a #2 Phillips screwdriver to secure the fan tray into place by tightening the screws at the top and bottom of

the fan tray.

Step Task

1 Unscrew the retaining screws at the top and bottom of the fan tray.

2 Use the handle to pull the fan tray out approximately two inches from the back of the chassis (

Figure 4-1

). Wait

until the fan blades stop rotating (up to 30 seconds), then completely remove the fan tray.

Table 4-1. Fan Speed and Temperature

Degrees Celsius Fan Speed

Less than 45° C (Low) 2400 RPM

Between 45 and 55° C (Med) 3200RPM

Above 55° C (High) 4000 RPM

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 75 76

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Dell C7008/C300 Installation Manual Page 18