Differential Pressure Sensors - HP Performance Optimized Datacenter 20c Maintenance And Service Manual

Replace the fan bank you removed, if applicable. For more information, see "Replacing the cooling
a.
fan bank assembly (on page 31)."
Replace the fan you removed, if applicable. For more information, see "Replacing the cooling fan
b.
("Replacing the variable speed IT cooling

Differential pressure sensors

The differential pressure sensors are located in the cold aisle.
You need a screwdriver to remove and replace the differential pressure sensor.
Removing the differential pressure sensor
Label the pressure sensor tube connection locations, and then remove the tubes from the differential
1.
pressure sensor.
Label the sensor wire connection locations, loosen the screws securing the sensor wires, and then
2.
remove the sensor wires.
Remove the two bolts securing the differential pressure sensor (1), and then remove the differential
3.
pressure sensor (2).
fan" on page 29)."
Removal and replacement procedures 60