Fujitsu MHW2040AC User Manual download pdf (Page 47)

3.2 Mounting

(4) Ambient temperature

The temperature conditions for a disk drive mounted in a cabinet refer to the

ambient temperature at a point 3 cm from the disk drive. The ambient temperature

must satisfy the temperature conditions described in Section 1.4, and the airflow

must be considered to prevent the DE cover surface temperature from exceeding

standard values.

Provide air circulation in the cabinet such that the PCA side, in particular, receives

sufficient cooling. To check the cooling efficiency, measure the surface

temperatures of the DE. Regardless of the ambient temperature, this surface

temperature must meet the standards listed in Table 3.1. Figure 3.4 shows the

temperature measurement point.

Figure 3.4 Surface temperature measurement points

Table 3.1 Surface temperature measurement points and standard values

No. Measurement point Temperature Order No.

90 °C CA06821-B900

(MHW2040AC)

1 DE cover surface

85 °C CA06821-B906

(MHW2060AC)

CA06821-B902

(MHW2040AC)

C141-E258 3-5

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 277 278

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Fujitsu MHW2040AC User Manual Page 47