3.Select Save to store the new parameters in the system configuration file.
Calibrating the flowmeter
This option enables flow rate calibration based on the value of a calibrated flow meter.
To calibrate the flowmeter:
1.Power down the HP POD 20c. For more information, see "Power down procedure (on page 73)."
2.Select Flowmeter Calibration Factor. A keypad appears
3.Enter the calibration factor.
4.Select OK.
5.Select Save to store the new parameters in the system configuration file.
Calibrating the differential pressure sensors
This option is available only when all fans and the IT load are powered off and there is no air flowing inside the HP POD 20c.
To calibrate the chilled water pressure sensors:
1.Power down the POD. For more information, see "Power down procedure (on page 73)."
2.Set the fan speed for each fan control zone to Manual mode and 0% fan speed. For more information, see "Setting the fan controls for each fan control zone (on page 52)."
3.Open the doors for five minutes to equalize the pressure between the hot and cold aisles.
4.Select Calibrate Differential Pressure Sensors.
5.Select Save.
6.Set the fan speeds to Auto mode.
Setting the logging configuration
To log the power configuration information:
1.Select Logging On/Off.
2.Select Save to store the new parameters in the system configuration file.
To set the log interval:
1.Select Log interval (sec). A keypad appears.
2.Select Save to store the new parameters in the system configuration file.
To set the amount of time to keep power configuration log files:
1.Select Keep Log Files For (Months). A keypad appears.
2.Select Save to store the new parameters in the system configuration file.