HP Performance Optimized Data Center (POD) 20cp 54

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.

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Contents

HP Performance Optimized Datacenter 20c User Guide—International Page Contents Page Page Overview Before you begin Operator safety Component safety Fire detection and suppression Environmental considerations Component identification Structural component identification Life safety component identification Page Page Electrical power component identification Page Page Page Control cabinet component identification HP POD 20c racks Life safety systems Life safety overview EPO system ECS touchscreen and EPO indicators EPO modes EPO accidental activation Battery backup during an EPO event VESDA air sampling smoke detection system (Optional) Fire protection system Fire alarm indicators Fire suppression system Page Emergency egress Power, electrical, and controls Site electrical system Power safety Page Capacities Electrical and mechanical cooling capacities Power feeders Electrical panels Panel schedules Wire color code Electrical busways Drop boxes Power configurations Rack power HP POD 20c lighting Environmental control system Environmental control system overview Using the ECS Sensors Page Page Facility connections to ECS Managing the ECS from the HP POD 20c Page Logging in remotely to the ECS Page Password protection Navigating the ECS interface Logging in to the ECS touchscreen Overview screen Page Status Overview screen Basic System Configuration screen Page Page Page Page Advanced System Configuration screen Page Page Controller Settings screen Page ECS alarms Safety and access control alarms Cooling system HP POD 20c cooling system theory of operation Water quality requirements and specifications Cooling system components Fans Condensation management Page Leak detection IT networking and communications Networking Connection portals Demarcation box Fire box Optional components Fire protection system Humidifier Controlled access Power up procedure Standard HP POD 20c power up procedure Cold weather HP POD 20c power up procedure Cold weather power up checklist Page Power down procedure Specifications General HP POD 20c specifications Rack specifications Thermal and air flow performance Environmental specifications Page Maintenance Periodic maintenance Sample HP POD 20c maintenance schedule Contacting HP Before you contact HP Regulatory information HP POD 20c regulatory compliance Safety and regulatory compliance Warranty information Glossary Page Page Documentation feedback Index