Dell Force10 C300 C300 Hardware Installation Guide - Page 16

Removing the Fan Tray, Fan Speed - rpm

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www.dell.com | support.dell.com To install the fan tray: 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. 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 C150 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: 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 30 seconds, until the fan blades stop rotating, then completely remove the fan tray. Fan Speed Fan tray CC-C300-FAN2 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. Table 4-1. Fan Speed and Temperature Degrees Celsius Less than 45C Between 45 and 55 Above 55C Fan Speed (Low) 2400 RPM (Med) 3200RPM (High) 4000 RPM Fan tray CC-C300-FAN fan speed is constant and does not change with temperature. 16 | Installing C300 Fan Tray

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16
|
Installing C300 Fan Tray
www.dell.com | support.dell.com
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 C150 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
Fan tray CC-C300-FAN2 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.
T
able
4-
1
shows the sensor
temperature that determines the fan speed.
Fan tray CC-C300-FAN 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 30
seconds, until the fan blades stop rotating, then completely remove the fan tray.
Table 4-1.
Fan Speed and Temperature
Degrees Celsius
Fan Speed
Less than 45C
(Low) 2400 RPM
Between 45 and 55
(Med) 3200RPM
Above 55C
(High) 4000 RPM