B.5 fan unit, Fan unit – FUJITSU M3000 User Manual

Page 177

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Appendix B

FRU List

B-7

For the replacement procedure, see

Chapter 12

.

B.5

Fan Unit

The fan units generate an airflow between the inside and outside of the server. If an
error occurs in one fan unit, the XSCF detects the error and the normally operating
fan unit starts rotating at a higher speed to cool the server. The M3000 server uses
the fan units (FAN_A) as its main cooling system.

TABLE B-8

shows the fan unit

specifications.

For the replacement procedure, see

Chapter 13

.

Frequency

50 Hz/60 Hz

Maximum
power
consumption

470 W

460 W

505 W

500 W

Apparent
power

480 VA

517 VA

515 VA

562 VA

Heat
dissipation

1,603.7
BTU/hr
(1692 KJ/hr)

1,569.6
BTU/hr
(1656 KJ/hr)

1,723.1
BTU/hr
(1818 KJ/hr)

1,707.9
BTU/hr
(1800 KJ/hr)

Power factor

0.98

0.89

0.98

0.89

* In a redundant configuration, the rated current per cable is half the value shown in

TABLE B-7

.

† This value applies to the full configuration.

TABLE B-8

Fan Unit Specifications

Item

Description

Number of fan units

2

Redundancy

2 units (1 + 1 redundant configuration)

Location

Front of the server

Active replacement

Yes

Hot replacement

Yes

Cold replacement

Yes

TABLE B-7

Electrical Specifications (Continued)

Item

Specifications

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