NEC Express 5800 User Manual

Contents

NEC Express 5800 User Manual Manual pdf 26 page image

2-10 Planning Your SiteThe air conditioner’s capacity must be larger than the sum of the above items.Use Table 2-3 to calculate calorific values – in BTUs.Table 2-3. Calculating Total Calorific ValuesComponent BTU/hr Times NumberInstalledEqualsBasic System Unit (typical) 2048Disk Expansion Unit (typical) 853UPS 375Monitor8-Port Concentrator 410TotalElectrical FacilitiesDepending on whether data availability is critical to your application or not,when you configured your system, you chose either an uninterruptible powersource or a power distribution unit to supply rack components with AC power.The AC supply lines required by each of these devices is specified in thefollowing paragraphs.Uninterruptible Power Source (UPS)If you have purchased one or more UPSs to supply AC power to your systemand your system is located in North America, each UPS requires a 3-wire30-Amp single-phase 120 Volt receptacle within six feet of the rear of thesystem rack. The UPS power cord comes equipped with a NEMA L5-30P powerconnector.If your system is located in Europe, it requires a 240 Volt receptacle. The UPSpower cord comes equipped with an IEC-320-C20 power connector.Power Distribution Unit (PDU)If you have purchased one or more PDUs, each PDU requires a 3-wire 30-Ampsingle-phase 120 Volt (240 Volt in Europe) receptacle within 10 feet of the rearof the system rack. The UPS power cord comes equipped with a NEMA L5-30Ppower connector (US models).