HP POD 20c Maintenance And Service Manual page 23

The HP POD 20c has 3 banks of 4 fans, for a total of 12 fans per zone. The fans circulate cool air from the
heat exchangers throughout the POD.
The three fan banks are located in the access hatches that are in the ceiling of the POD. The IT cooling fan
has four screws and a power connection.
You need a screwdriver to remove and replace the IT cooling fan.
Removing the IT cooling fan
HP recommends leaving the fans in AUTO mode during normal operation.
From the ECS panel, take manual control of the fan speed in the affected zone.
1.
Set the fan speed to 0 (zero).
2.
Open the access hatch door.
3.
Disconnect the power harness.
4.
Remove the four screws (1)
5.
Remove the IT cooling fan (2).
6.
Removal and replacement procedures 23