HP Modular Cooling System Guide de l'utilisateur télécharger pdf (Page 46)

Cooling performance parameter settings 46

IMPORTANT: Temperature Control Manual mode is for service and troubleshooting only and is

not to be used in a production environment.

Parameter Function

Temperature

Control

Used in Auto mode to determine if the MCS unit operates

in Auto mode or Manual mode

Fan Speed Target Used in Manual mode to increase or decrease the fan

speed

Water Valve Used in Manual mode to close or open the water valve

in Manual mode

Flow Meter Model

Used in Auto mode to select the water flow meter that is

installed in the MCS

Minimum Fan

Speed

Used in Auto mode to set the lowest fan speed in Auto

mode

Delta Temperature

for Minimum Fan

Speed

Used in Auto mode to set the maximum delta

temperature when the Minimum Fan Speed will be used

Delta Temperature

for 100% Fan

Speed

Used in Auto mode to set the minimum delta temperature

when the 100% Fan Speed will be used

Cooling Liquid

Heat Capacity

(Cw) Value

Used in Auto mode to calculate the energy extracted by

the air to water heat exchanger unit (This value for pure

water is 4,187 Ws/kg and can be a lower value if

additives are included in the water.)

Delta temperature (Server Intake Temp/Server Exhaust Temp)

Delta temperature is calculated from the temperature difference between the server intake temperature

and server exhaust temperature. The server intake temperature, or cold air, is the air coming from the heat

exchanger units and pushed through the fan units. The server exhaust temperature, or hot air, is the air

coming from the fan units and being pushed through the heat exchanger units.

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HP Modular Cooling System Guide de l'utilisateur Page 46