Chilled Water System Temperature Sensor - HP Performance Optimized Datacenter 20c Maintenance And Service Manual

Disconnect the wires from the back of the sensor.
2.
Using a wrench, rotate the sensor locking gland counter-clockwise (1).
3.
Pull forward to remove the sensor from the water piping (2).
4.
Replacing the chilled water flow sensor
Reference your notes on where to reconnect the wires to the chilled water flow sensor.
1.
Reconnect the sensor wiring.
2.
Insert the sensor into the water piping (1).
3.
Using a wrench, rotate the sensor locking gland clockwise to tighten it (2).
4.

Chilled water system temperature sensor

The HP POD 20c contains two chilled water header temperature sensors. One is located in the chilled water
supply header and one is located in the chilled water return header.
Removal and replacement procedures 47