HP 20cp User Manual download pdf (Page 63)

Cooling system 63

Depending on the IT equipment installed in your HP POD 20c, you can choose to change both default

parameters to improve the overall efficiency of your system. To discuss the effects of changing these

parameters for your specific HP POD 20c, contact HP ("HP contact information" on page 78).

Item Component Quantity Description

Fan tray assemblies 3 banks of 6 (18

total) fans per zone

Circulates cool air from the heat exchangers

throughout the HP POD 20c

Fan control and power

supply assembly

3 Provides fan speed control, status, and DC power

for the fans

Condensation management

CAUTION: To maintain accurate environmental conditions inside the HP POD 20c, do not leave

the HP POD 20c doors open during operation.

The heat exchanger drip trays collect condensation that forms on the heat exchangers. This collected

condensation drains out of the HP POD 20c through the heat exchanger condensate drains. HP recommends

connecting the condensate drains on the HP POD 20c to a facility drain to prevent collection of water near

the HP POD 20c.

The HP POD 20c has two 3.18 cm (1.25 in) condensate drain outlets located at both ends of the hot aisle of

the HP POD 20c. The drain outlets are directly connected to the heat exchanger drip trays. The HP POD 20c

main supply and return line is connected to the condensate drain line.

To avoid excessive buildup of condensation and to conserve energy, raise the cooling water temperature to

above the dew point to manage condensation while maintaining the necessary cooling capacity.

Drains

WARNING: Water that drains around the HP POD 20c can cause a potential slip hazard. Use

caution where slip hazards are present.

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HP 20cp User Manual Page 63