B.5 fan unit, Fan unit – FUJITSU SPARC ENTERPRISE M3000 User Manual
Page 189

Appendix B
FRU List
B-7
For the replacement procedure, see
.
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.
shows the fan unit
specifications.
For the replacement procedure, see
.
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
(1802 KJ/hr)
Power factor
†
0.98
0.89
0.98
0.89
Active replacement
Yes
Hot replacement
Yes
Cold replacement
Yes
* In a redundant configuration, the rated current per cable is half the value shown in
† 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