HP Integrity rx2620 Generic Site Preparation Guide, Fourth Edition
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- HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 1
Generic Site Preparation Guide HP Part Number: 5991-6018_ed4 Published: March 2010 Edition: Fourth Edition - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 2
in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. Revision History First Edition Initial release, August - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 3
Computer Room Safety...9 Fire Protection...9 Fire Suppression...10 Lighting Requirements for Equipment Servicing 10 Cabinet Recommendations...10 Working Space for Server Access 10 Power Consumption...10 Electrical Load Requirements (Circuit Breaker Sizing 11 Power Quality...11 Sources of Voltage - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 4
20 Air-Conditioning System Guidelines 20 Air-Conditioning System Types 20 ...25 Floor Plan Grid...26 Power Plug Configuration...26 Conversion Factors Support and other resources 35 Contacting HP...35 Before you contact HP...35 HP contact information...35 Documentation feedback...35 Business Support - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 5
of the Power Cord 27 1-4 Unterminated Plug...27 1-5 L6-20 Plug...27 1-6 IEC 309 Plug...28 1-7 CEE 7-7 Plug...28 1-8 L6-30 Plug...28 1-9 NEMA 5-20P Plug (left) and receptacle (right 28 1-10 ISI 32 Plug...28 1-11 GB 1002 Plug...29 1-12 L6-20 Power Cable...29 1-13 Delivery Survey (Part 1)...33 1-14 - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 6
on ESD Charge Levels 22 1-3 Floor Loading Term Definitions...23 1-4 Typical Raised Floor Specifications 24 1-5 Product Technical Requirements Based on Customer Environments 25 1-6 Customer and HP Information...31 1-7 Site Inspection Checklist...31 6 List of Tables - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 7
service guide for the guidelines required to support the specific server. The following information provides general principles and practices to consider before installing or operating the system. These guidelines apply to all customer environments that an HP product is likely to be installed in - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 8
power supplies (UPSs), backup generators, auto transfer devices, floor-mounted distribution transformers (less than 75-foot distances), and other alternatives for critical systems and applications demanding high availability. To ensure sufficient power quality, keep in mind: • The best voltage - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 9
. The proper design and installation of a server power distribution system requires specialized skills. Those responsible for this task must have a thorough knowledge of appropriate electrical codes and the limitations of the power systems for computer and data processing equipment. In general - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 10
water valving with suitably rated temperature heads. Dry pipe water valving lowers the business risks associated with accidental water pipe discharge. Lighting Requirements for Equipment Servicing Adequate lighting and utility outlets in a computer room reduce the possibility of accidents during - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 11
loss of service. Adherence to the following guidelines provides the best possible performance of power distribution systems for HP computer equipment: • Dedicated power source-Isolates a server power distribution system from other circuits in the facility. • Missing-phase and low-voltage detectors - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 12
constructed of rigid galvanized steel. Grounding Systems HP systems are tested and certified only with computer room personnel against shock hazards from current leakage and fault conditions, tie the ground connections to metal chassis parts. Power distribution systems consist of several parts - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 13
equipment. When using dual power sources, measure voltage potentials with a high impedance digital multi-meter (DMM). Dual power sources might originate from two different transformers or two different UPS devices. Measure voltage potentials from ground pin to ground pin of these sources and verify - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 14
be designed as a ground grid with bolted down stringers and corrosion-resistant plating (to provide low resistance and attachment points for connection to service entrance ground and HP computer equipment). The use of conductive floor tiles with this style of grid further enhances ground performance - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 15
HP does not require this step. System Installation Guidelines This section contains information about installation practices and highlights some common installation hazards. It addresses both power impedance which cause serious problems, such as erratic equipment Quality Proper computer room - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 16
HP temperature and humidity recommendations follow newly established industry standards in the following operating ranges: • Temperature of 20-25 °C (68- the room is measured at 20 °C (68 °F), then the equipment should be stable. In reality, microclimates can exist in various parts of the room such - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 17
can be any voltage from zero, some voltages beginning at twenty HP recommends not using cell phones within a data center, especially within 9.8 feet (3 m) of any high-availability equipment. Comprehensive Discussion The following environmental elements can affect a server installation: • Computer - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 18
air. • A parallel orientation encourages low impedance airflow back to the HVAC. printed circuit boards, causing premature failure due to excess heat or humidity buildup on the boards. Failures to power supplies in mechanical parts. Prevent small dust particles from entering the computer room - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 19
computer room clean by following these guidelines: • Establish a no-smoking policy. Particulates of cigarette smoke will not improve the operation or reliability of surrounding equipment. • Locate printers and paper products in a separate room to eliminate paper particulate problems HP Maximum Parts - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 20
server contained package units with remote condensers. These systems are available with up or down discharge and are usually located in the computer computer room. 3. Central station air-handling units with remote refrigeration equipment. These systems are usually located outside the computer room. 20 - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 21
cooling air intake vents of the server cabinets. 2. CPRA-Supply air is ducted into the ceiling plenum from upflow air-conditioning equipment located in the computer room or from an air- sealing. Also, do not expose the ducts to warm air, or humidity levels might increase. Environmental Elements 21 - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 22
of electrostatic charges. This increases the electrostatic discharge (ESD) voltage potential. ESD can cause component damage during servicing operations. Paper feed problems on high-speed printers are usually encountered in low-humidity environments. Low humidity levels are often the result of the - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 23
Characteristics This section contains information about facility characteristics to consider when preparing the site for the installation and operation of the server. Facility characteristics are: • Floor loading • Windows Floor Loading The computer room floor must be able to support the combined - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 24
grid stringers between floor stands, the lateral support for the floor stands depends on adjacent contains an example of a computer room raised floor system that is satisfactory for the installation of a server. Based on specific information provided by HP, Tate Access Floors has approved its Series - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 25
computer room can cause problems. Magnetic tape storage media is damaged if exposed to direct sunlight. Also, the heat generated by sunlight places an additional load on the cooling system. Space Requirements This section contains information about space requirements for the server servicing - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 26
air-conditioning ducts, filters, lighting, and electrical power hardware • Power conditioning equipment • Cabinets for cleaning materials • Maintenance area and spare parts Floor Plan Grid Use a floor plan grid designing the location of equipment in the computer room. Also use the floor plan grid - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 27
Male Receptacle (at Power Supply) Figure 1-3 C19 Female Plug (on One End of the Power Cord) Male End of Power Cable The male plug on the other end of the power cable will vary depending on the region the HP server ships. Figure 1-4 Unterminated Plug Figure 1-5 L6-20 Plug Power Plug Configuration 27 - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 28
Figure 1-6 IEC 309 Plug Figure 1-7 CEE 7-7 Plug Figure 1-8 L6-30 Plug Figure 1-9 NEMA 5-20P Plug (left) and receptacle (right) Figure 1-10 ISI 32 Plug 28 General Site Preparation Guidelines - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 29
used to supply power to the server. Figure 1-12 L6-20 Power Cable Conversion Factors and Formulas The conversion factors provided in this section are intended to ease data calculation when planning for systems that do not conform specifically to the configurations listed in this guide. The following - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 30
1000 Formulas • kVA = voltage × current (amps) • HP (if required to be an HP task). • Thirty days before installation - Primary power 13 HP site preparation specialist to resolve any last-minute problems. NOTE: Not all installations follow a schedule like the one previously noted. Sometimes a server - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 31
, judge the need for particulate test. Power and Lighting Number Area or Condition Yes No 13. Are lighting levels adequate for maintenance? 14. Are AC outlets available for servicing needs (for example, laptop)? 15. Does the input voltage correspond to equipment specifications? Comment or - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 32
power shutoff switch available? 23. Is a telephone available for emergency purposes? 24. Does the computer room have a fire protection system? 25. Does the computer room have antistatic flooring installed? 26. Do any equipment servicing held to 20°C (68 13 (page 33 - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 33
recommendations form. The following list gives examples of special instructions or issues: • Packaging restrictions at the facility, requirements applicable to the facility, such as security clearance Figure 1-13 Delivery Survey (Part 1) DELIVERY CHECKLIST DOCK DELIVERY Is dock large enough for a - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 34
Figure 1-14 Delivery Survey (Part 2) ELEVATOR Fill in the following information if an elevator is required to move equipment. Capacity (lb or kg) Depth Height Width Depth Height Width STAIRS - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 35
identification number • Applicable error message • Add-on boards or hardware • Third-party hardware or software • Operating system type and revision level HP contact information For the name of the nearest HP authorized reseller: • In the United States, see the HP US service locator webpage (http - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 36
36 - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 37
, without taking the power factor into account. Industry-standard term for air filtration efficiency set forth by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc. Above sea level. A printed circuit assembly (PCA). Also called a card or adapter. British thermal - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 38
minimum input voltage. Network Equipment Computer Manufacturers Group (PICMG) controls the PICMG specification. The ratio of true power to apparent power in an AC circuit. In power conversion technology, power factor is used in conjunction with describing the AC input current to the power supply - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 39
watt A unit of electricity consumption representing the product of amperage and voltage. When the power requirement of a product is listed in watts, you can convert to amperes (A) by dividing the wattage by the voltage. (For example, 1,200 W divided by 120 V equals 10 A.) 39 - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 40
40 - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 41
, 13 power quality, 11 sources of electrical disturbances, 11 system installation guidelines, 15 electrical load requirements, 11 environmental elements, 17 acoustics, 23 air-conditioning equipment requirements, 20 air-conditioning recommendations, 20 air-distribution systems, 21 computer room - HP Integrity rx2620 | Generic Site Preparation Guide, Fourth Edition - Page 42
R raised floor ground system, illustrated, 14 loading, 24 specifications, 24 relative humidity, 22 row orientation, 18 S site inspection checklist, 30 sources of electrical disturbances, 11 space requirements, 25 delivery space requirements, 25 system installation guidelines, 15 data communications
Generic Site Preparation Guide
HP Part Number: 5991-6018_ed4
Published: March 2010
Edition: Fourth Edition