12 Book Title without trademarks, or an abbreviated book title • May 2008
Airflow and Heat Dissipation
The air intake screens act as electro-magnetic interference (EMI) and radio frequency
interference (RFI) filters, stopping both EMI and RFI emissions from the system.
These screens are honeycomb screens, which also collect and trap dust and debris
particles.
The Sun Fire cabinet’s air intake screens require periodic inspection and cleaning. To
prevent restricted airflow and possible equipment failure, inspect the air intake
screens for debris and trapped particles every three months of operation. Consider
the level of debris on the screens and surrounding area in the decision as to when to
remove and clean the air intake screens.
Power Requirements
The AC power sources must provide the correct voltage, current, and frequency
specified on the module model and serial number label. The module can run without
interruption within the limits shown in
TABLE 2-12.
TABLE 2-12 Sun Fire Cabinet AC Power Requirements
Parameter Requirements
AC voltage range
Current maximum
Current frequency range
200 to 240 VAC
34A at 208 VAC
47 to 63 Hz
Input power rating 6,460 W
Volt-ampere rating 6,800 VA
BTU rating 22,030 BUT/hr
Power factor 0.95 (with Sun Products)
Connector type 4 - NEMA L6-30P for 200–240 VAC
*
(North American)
* One power cord for each RTS installed. Minimum required is two and maximum is
four.
4 - 32A, single-phase IEC (309, for
200–240 VAC
1
International)
Receptacle type 4 - NEMA L6-30R for 200–240
VAC
\
(North American)
\ One receptacle type for each power cord installed.
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