HP Modular Cooling System Guia do Utilizador descarregar pdf (Página 47)

Cooling performance parameter settings 47

Example

Server intake

temperature

Server exhaust

temperature

Top 24.5°C (76.1°F) 38.8°C (101.8°F)

Middle 24.8°C (76.6°F) 39.1°C (102.4°F)

Bottom 25.1°C (77.2°F) 40.3°C (104.5°F)

Average 24.8°C (76.6°F) 39.4°C (102.9°F)

Cooling air flow supplied by the MCS unit

Delta temperature is used to determine and control the speed of the rotating fans.

This example shows the fan speed control function when the minimum fan speed is 35%, delta

temperature for minimum fan speed is 5°C (9°F), the delta temperature for 100% fan speed is 20°C

(36°F). In this case, the delta control temperature is 18°C (32°F) and will cause the fans to run at 94%

speed.

Adjusting the cooling air flow provided by the MCS unit

To adjust the cooling air flow provided by the MCS unit while in Temperature Control Auto mode:

1. Click the Setup tab (on page 23), and then click the Advanced tab (on page 29).

2. Enter a Minimum Fan Speed.

3. Enter a Delta Temperature For Minimum Fan Speed.

4. Enter a Delta Temperature 100% Fan Speed.

Server intake temperature provided by the MCS unit

The management module constantly compares the server intake temperature to the range calculated from

the Server Intake Temperature Set Point and the Hysteresis value.

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HP Modular Cooling System Guia do Utilizador Página 47