HP Performance Optimized Datacenter 20c Maintenance And Service Manual page 48

HP highly recommends replacing sensor internal components before replacing the entire sensor. For more
information, see replacing the entire sensor
on page 48).
You need a wrench and a screwdriver to remove and replace the sensor.
Removing temperature sensor from the chilled water system
Identify the location of the sensor to be replaced and remove enough header insulation to uncover the
1.
sensor.
Remove the sensor cover.
2.
Label and disconnect the sensor wiring.
3.
Rotate the immersion sleeve counterclockwise (1) and pull forward to remove the entire sensor from the
4.
chilled water header (2).
Replacing the temperature sensor in the chilled water system
Insert the new sensor probe into the chilled water header (1).
1.
Rotate the immersion sleeve clockwise to secure the sensor onto the header (2).
2.
("Replacing the temperature sensor in the chilled water
Removal and replacement procedures 48
system"