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Installing the Fan Tray
To install the fan tray:
Step
Task
Slide fan tray into the fan tray slot as shown in
1
Gently push on the front of the tray until it is flush with the chassis.
2
Use a #2 Phillips screwdriver to secure the fan tray into place by tightening the screws at the top and bottom of
3
the fan tray.
NOTE: The fan tray LED remains lit when the chassis is powered 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 C7004/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).
WARNING: The fan tray must always be installed to ensure proper temperature and airflow control.
WARNING: 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
Unscrew the retaining screws at the top and bottom of the fan tray.
1
Use the handle to pull the fan tray out approximately two inches from the back of the chassis
2
30 seconds, until the fan blades stop rotating, then completely remove the fan tray.
Fan Speed
C7004/C150 variable speed fan 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.
temperature that determines the fan speed.
Table 10-1. Fan Speed and Temperature
Degrees Celsius
Less than 45C
Between 45 and 55
Above 55C
C7004/C150 fixed speed fan is constant and does not change with temperature.
46
|
Fan Tray
Fan Speed
(Low) 2400 RPM
(Med) 3200RPM
(High) 4000 RPM
Figure
10-1.
Table 10-1
(Figure
10-1). Wait
shows the sensor
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