| Section |
Page |
| Site Preparation Guide |
1 |
| Site Preparation Guide |
1 |
| Site Preparation Guide |
1 |
| HP Integrity rx8620 Server |
1 |
| Fourth Edition |
1 |
| Manufacturing Part Number: A7026-96032 |
1 |
| October 2006 |
1 |
| Prined in the U.S.A. |
1 |
| Prined in the U.S.A. |
1 |
| © Copyright 2006 |
1 |
| © Copyright 2006 |
1 |
| Legal Notices |
2 |
| Legal Notices |
2 |
| The information in this document is subject to change without notice. |
2 |
| Hewlett-Packard makes no warranty of any kind with regard to this manual, including, but not limi... |
2 |
| Hewlett-Packard makes no warranty of any kind with regard to this manual, including, but not limi... |
2 |
| Restricted Rights Legend. |
2 |
| Restricted Rights Legend. |
2 |
| HEWLETT-PACKARD COMPANY 3000 Hanover Street Palo Alto, California 94304 U.S.A. |
2 |
| Copyright Notices. |
2 |
| Copyright Notices. |
2 |
| Reproduction, adaptation, or translation of this document without prior written permission is pro... |
2 |
| Revision History |
2 |
| Revision History |
2 |
| First Edition |
2 |
| First Edition |
2 |
| Initial release, September 2003. Part number was A7026-96004. |
2 |
| Second Edition |
2 |
| Second Edition |
2 |
| Minor updates, November 2003. |
2 |
| Third Edition |
2 |
| Third Edition |
2 |
| Minor updates, May 2004. |
2 |
| Fourth Edition |
2 |
| Fourth Edition |
2 |
| Updated system power requirements information in Chapter 1. October 2006. |
2 |
| 1 System Specifications |
9 |
| 1 System Specifications |
9 |
| This chapter describes the basic system configuration and its physical specifications and require... |
9 |
| This chapter describes the basic system configuration and its physical specifications and require... |
9 |
| Dimensions and Weights |
10 |
| Dimensions and Weights |
10 |
| This section provides dimensions and weights of the server and server components. |
10 |
| dimensions and weights |
10 |
| cell board |
10 |
| <TABLE> |
10 |
| Table11 HP Integrity rx8620 Server Dimensions and Weights |
10 |
| <TABLE HEADING> |
10 |
| <TABLE ROW> |
10 |
| Stand-alone |
10 |
| Packaged |
10 |
| <TABLE BODY> |
10 |
| <TABLE ROW> |
10 |
| Height - Inches (centimeters) |
10 |
| 29.55 (75.00) |
10 |
| 86.50 (219.70) |
10 |
| <TABLE ROW> |
10 |
| Width - Inches (centimeters) |
10 |
| 17.50 (44.50) |
10 |
| 40.00 (101.60) |
10 |
| <TABLE ROW> |
10 |
| Depth - Inches (centimeters) |
10 |
| 30.00 (76.20) |
10 |
| 48.00 (122.00) |
10 |
| <TABLE ROW> |
10 |
| Weight - Pounds (kilograms) |
10 |
| 368.00 (166.92) |
10 |
| 813.00 (368.77) |
10 |
| Table12 |
10 |
| Table12 |
10 |
| <TABLE> |
10 |
| Table12 HP Integrity rx8620 Server Component Weights |
10 |
| <TABLE HEADING> |
10 |
| <TABLE ROW> |
10 |
| Quantity |
10 |
| Description |
10 |
| Weight (lb./kg.) |
10 |
| <TABLE BODY> |
10 |
| <TABLE ROW> |
10 |
| 1 |
10 |
| 1 |
10 |
| Chassis |
10 |
| Chassis |
10 |
| 131.00 (59.42) |
10 |
| 131.00 (59.42) |
10 |
| <TABLE ROW> |
10 |
| 1 |
10 |
| System backplane |
10 |
| System backplane |
10 |
| system backplane |
10 |
| <TABLE ROW> |
10 |
| 1 |
10 |
| PCI-X card cage assembly |
10 |
| 20.40 (9.25) |
10 |
| <TABLE ROW> |
10 |
| 2 |
10 |
| PCI-X power supply |
10 |
| 5.00 (2.27) each |
10 |
| <TABLE ROW> |
10 |
| 6 |
10 |
| Bulk power supply |
10 |
| 12.00 (5.44) each |
10 |
| <TABLE ROW> |
10 |
| 1 |
10 |
| Mass storage backplane |
10 |
| Mass storage backplane |
10 |
| backplane:mass storage |
10 |
| <TABLE ROW> |
10 |
| 1 - 4 |
10 |
| 1 - 4 |
10 |
| Cell board |
10 |
| 27.80 (12.61) each |
10 |
| 27.80 (12.61) each |
10 |
| <TABLE ROW> |
10 |
| 1 - 4 |
10 |
| 1 - 4 |
10 |
| Hard disk drive |
10 |
| Hard disk drive |
10 |
| 1.60 (0.73) each |
10 |
| 1.60 (0.73) each |
10 |
| <TABLE ROW> |
10 |
| 1 - 2 |
10 |
| 1 - 2 |
10 |
| Removable media disk drive |
10 |
| Removable media disk drive |
10 |
| 2.20 (1.00) each |
10 |
| 2.20 (1.00) each |
10 |
| electrical specifications |
11 |
| electrical specifications |
11 |
| electrical specifications |
11 |
| This section provides electrical specifications for the HP Integrity rx8620 Server. |
11 |
| electrical specifications |
11 |
| grounding |
11 |
| grounding |
11 |
| grounding |
11 |
| The site building shall provide a safety ground and protective earth for each AC service entrance... |
11 |
| Install a protective earthing (PE) conductor that is identical in size, insulation material, and ... |
11 |
| circuit breaker |
11 |
| circuit breaker |
11 |
| circuit breaker |
11 |
| The Marked Electrical for the HP Integrity rx8620 Server is 15 amps per line cord. The recommende... |
11 |
| circuit breaker |
11 |
| The HP Integrity rx8620 Server contains four C20 power receptacles located at the bottom rear bul... |
11 |
| System |
11 |
| System |
11 |
| power cords |
11 |
| power cords |
11 |
| power cords |
11 |
| Table13 |
11 |
| Table13 |
11 |
| <TABLE> |
11 |
| Table13 Power Cords |
11 |
| <TABLE HEADING> |
11 |
| <TABLE ROW> |
11 |
| Part Number |
11 |
| Part Number |
11 |
| Description |
11 |
| Description |
11 |
| Where Used |
11 |
| Where Used |
11 |
| <TABLE BODY> |
11 |
| <TABLE ROW> |
11 |
| 8120-6895 |
11 |
| 8120-6895 |
11 |
| Stripped end, 240 volt |
11 |
| Stripped end, 240 volt |
11 |
| International - Other |
11 |
| International - Other |
11 |
| <TABLE ROW> |
11 |
| 8120-6897 |
11 |
| Male IEC309, 240 volt |
11 |
| Male IEC309, 240 volt |
11 |
| International |
11 |
| International |
11 |
| <TABLE ROW> |
11 |
| 8121-0070 |
11 |
| 8121-0070 |
11 |
| Male GB-1002, 240 volt |
11 |
| China |
11 |
| <TABLE ROW> |
11 |
| 8120-6903 |
11 |
| 8120-6903 |
11 |
| Male NEMA L6-20, 240 volt |
11 |
| Male NEMA L6-20, 240 volt |
11 |
| North America/Japan |
11 |
| North America/Japan |
11 |
| System Power Specifications |
12 |
| System Power Specifications |
12 |
| power requirements:component;component:power requirements |
12 |
| power requirements:component;component:power requirements |
12 |
| Table14 |
12 |
| <TABLE> |
12 |
| Table14 Power Requirements |
12 |
| <TABLE HEADING> |
12 |
| <TABLE ROW> |
12 |
| Requirements |
12 |
| Value |
12 |
| Comments |
12 |
| <TABLE BODY> |
12 |
| <TABLE ROW> |
12 |
| Nominal input voltage |
12 |
| 200–240 VAC |
12 |
| <TABLE ROW> |
12 |
| Minimum operating voltage |
12 |
| Minimum operating voltage |
12 |
| 180 VAC |
12 |
| 180 VAC |
12 |
| <TABLE ROW> |
12 |
| Maximum operating voltage |
12 |
| Maximum operating voltage |
12 |
| 269 VAC |
12 |
| 269 VAC |
12 |
| <TABLE ROW> |
12 |
| Frequency range (minimum - maximum) |
12 |
| 50/60 Hz |
12 |
| <TABLE ROW> |
12 |
| Number of phases |
12 |
| 1 |
12 |
| <TABLE ROW> |
12 |
| Rated line current |
12 |
| Rated line current |
12 |
| 15 A |
12 |
| 15 A |
12 |
| Per line cord |
12 |
| Per line cord |
12 |
| <TABLE ROW> |
12 |
| Maximum inrush current |
12 |
| 54 A peak for 20 ms |
12 |
| Per line cord |
12 |
| <TABLE ROW> |
12 |
| Dropout carry-through time at minimum line voltage |
12 |
| Dropout carry-through time at minimum line voltage |
12 |
| 20 ms |
12 |
| 20 ms |
12 |
| <TABLE ROW> |
12 |
| Circuit breaker rating |
12 |
| Circuit breaker rating |
12 |
| 20A |
12 |
| 20A |
12 |
| Per line cord |
12 |
| Per line cord |
12 |
| <TABLE ROW> |
12 |
| Power factor correction |
12 |
| >0.98 >0.95 |
12 |
| At all loads of 50%–100% of supply rating At all loads 0f 25%–50% of supply rating |
12 |
| <TABLE ROW> |
12 |
| Ground leakage current (mA) |
12 |
| <3.0 (ma) |
12 |
| Per line cord |
12 |
| <TABLE> |
12 |
| Table15 System Power Requirements |
12 |
| <TABLE HEADING> |
12 |
| <TABLE ROW> |
12 |
| Power Required (50 - 60 Hz) |
12 |
| Watts |
12 |
| Watts |
12 |
| VA |
12 |
| Comments |
12 |
| <TABLE BODY> |
12 |
| <TABLE ROW> |
12 |
| Maximum Theoretical Power |
12 |
| 5292 |
12 |
| 5292 |
12 |
| 5400 |
12 |
| See #1 below |
12 |
| <TABLE ROW> |
12 |
| Marked Electrical Power |
12 |
| Marked Electrical Power |
12 |
| --- |
12 |
| --- |
12 |
| 5400 |
12 |
| 5400 |
12 |
| 30A @ 180 VAC, see note #2 |
12 |
| 30A @ 180 VAC, see note #2 |
12 |
| <TABLE ROW> |
12 |
| Typical Maximum Power |
12 |
| Typical Maximum Power |
12 |
| 3724 |
12 |
| 3724 |
12 |
| 3800 |
12 |
| See note #3 |
12 |
| See note #3 |
12 |
| 1. “Maximum theoretical power” is used to describe input power at the ac input. It is expressed... |
12 |
| 1. “Maximum theoretical power” is used to describe input power at the ac input. It is expressed... |
12 |
| 2. “Marked electrical power” is the input power measured at the ac input expressed in Volt-Amps... |
12 |
| 3. “Typical maximum power” is the input power measured at the ac input expressed in Watts and V... |
13 |
| environmental specifications |
14 |
| environmental specifications |
14 |
| environmental specifications |
14 |
| This section provides the environmental, power dissipation, noise emission, and air flow specific... |
14 |
| temperature |
14 |
| temperature |
14 |
| temperature |
14 |
| The cabinet is actively cooled using forced convection in a Class C1-modified environment. The re... |
14 |
| operating environment |
14 |
| operating environment |
14 |
| operating environment |
14 |
| The system is designed to run continuously and meet reliability goals in an ambient temperature o... |
14 |
| cell board |
14 |
| cell board |
14 |
| Environmental Temperature Sensor |
14 |
| To ensure that the system is operating within the published limits, the ambient operating tempera... |
14 |
| Non-Operating Environment |
14 |
| Non-Operating Environment |
14 |
| The system is designed to withstand ambient temperatures between -40° C to 70° C under non-operat... |
14 |
| cooling |
14 |
| cooling |
14 |
| cooling |
14 |
| Internal Chassis Cooling |
14 |
| Internal Chassis Cooling |
14 |
| The cabinet incorporates front-to-back airflow across the system backplane. Nine 120-mm fans moun... |
14 |
| system backplane |
14 |
| backplane:system |
14 |
| Each fan is controlled by a smart fan control board embedded in the fan module plastic housing. T... |
14 |
| Bulk Power Supply Cooling |
14 |
| Bulk Power Supply Cooling |
14 |
| Cooling for the bulk power supplies (BPS) is provided by two 60-mm fans contained within each BPS... |
14 |
| PCI/Mass Storage Section Cooling |
15 |
| PCI/Mass Storage Section Cooling |
15 |
| Six 92-mm fans located between the mass storage devices and the PCI card cage provide airflow thr... |
15 |
| Standby Cooling |
15 |
| Standby Cooling |
15 |
| Several components within the chassis consume significant amounts of power while the system is in... |
15 |
| Typical Power Dissipation and Cooling |
15 |
| Typical Power Dissipation and Cooling |
15 |
| Table16 |
15 |
| Table16 |
15 |
| <TABLE> |
15 |
| Table16 Typical HP Integrity rx8620 Server Configurations |
15 |
| <TABLE HEADING> |
15 |
| <TABLE ROW> |
15 |
| Cell Board |
15 |
| Cell Board |
15 |
| Memory per Cell Board |
15 |
| Memory per Cell Board |
15 |
| PCI Cards (assumes 10W each) |
15 |
| DVDs |
15 |
| Hard Disk Drives |
15 |
| Core I/O |
15 |
| Bulk Power Supplies |
15 |
| Typical Power |
15 |
| Typical Cooling |
15 |
| <TABLE ROW> |
15 |
| Qty |
15 |
| Qty |
15 |
| GBytes |
15 |
| Qty |
15 |
| Qty |
15 |
| Qty |
15 |
| Qty |
15 |
| Qty |
15 |
| Watts |
15 |
| BTU/hour |
15 |
| <TABLE BODY> |
15 |
| <TABLE ROW> |
15 |
| 4 |
15 |
| 4 |
15 |
| 16 |
15 |
| 16 |
15 |
| 16 |
15 |
| 2 |
15 |
| 4 |
15 |
| 2 |
15 |
| 6 |
15 |
| 3800 |
15 |
| 12973 |
15 |
| <TABLE ROW> |
15 |
| 4 |
15 |
| 4 |
15 |
| 8 |
15 |
| 8 |
15 |
| 16 |
15 |
| 2 |
15 |
| 4 |
15 |
| 2 |
15 |
| 6 |
15 |
| 3395 |
15 |
| 11591 |
15 |
| <TABLE ROW> |
15 |
| 4 |
15 |
| 4 |
15 |
| 4 |
15 |
| 4 |
15 |
| 8 |
15 |
| 0 |
15 |
| 2 |
15 |
| 2 |
15 |
| 6 |
15 |
| 3177 |
15 |
| 10846 |
15 |
| <TABLE ROW> |
15 |
| 2 |
15 |
| 16 |
15 |
| 16 |
15 |
| 16 |
15 |
| 16 |
15 |
| 2 |
15 |
| 2 |
15 |
| 4 |
15 |
| 4 |
15 |
| 2 |
15 |
| 2 |
15 |
| 4 |
15 |
| 4 |
15 |
| 2241 |
15 |
| 2241 |
15 |
| 7651 |
15 |
| 7651 |
15 |
| <TABLE ROW> |
15 |
| 2 |
15 |
| 2 |
15 |
| 8 |
15 |
| 8 |
15 |
| 8 |
15 |
| 8 |
15 |
| 0 |
15 |
| 0 |
15 |
| 2 |
15 |
| 2 |
15 |
| 2 |
15 |
| 2 |
15 |
| 4 |
15 |
| 4 |
15 |
| 1936 |
15 |
| 1936 |
15 |
| 6610 |
15 |
| 6610 |
15 |
| <TABLE ROW> |
15 |
| 2 |
15 |
| 2 |
15 |
| 4 |
15 |
| 4 |
15 |
| 8 |
15 |
| 8 |
15 |
| 0 |
15 |
| 0 |
15 |
| 2 |
15 |
| 2 |
15 |
| 2 |
15 |
| 2 |
15 |
| 4 |
15 |
| 4 |
15 |
| 1880 |
15 |
| 1880 |
15 |
| 6418 |
15 |
| 6418 |
15 |
| <TABLE ROW> |
15 |
| 1 |
15 |
| 1 |
15 |
| 4 |
15 |
| 4 |
15 |
| 8 |
15 |
| 8 |
15 |
| 0 |
15 |
| 0 |
15 |
| 1 |
15 |
| 1 |
15 |
| 1 |
15 |
| 1 |
15 |
| 3 |
15 |
| 3 |
15 |
| 1228 |
15 |
| 1228 |
15 |
| 4192 |
15 |
| 4192 |
15 |
| The air-conditioning data in |
15 |
| • Watts x (0.860) = kcal/hour |
15 |
| • Watts x (0.860) = kcal/hour |
15 |
| • Watts x (3.414) = Btu/hour |
15 |
| • BTU/hour divided by 12,000 = tons of refrigeration required |
15 |
| NOTE When determining power requirements, you must consider any peripheral equipment that will be... |
15 |
| NOTE When determining power requirements, you must consider any peripheral equipment that will be... |
15 |
| Acoustic Noise Specification |
16 |
| Acoustic Noise Specification |
16 |
| The acoustic noise specification for the HP Integrity rx8620 Server is |
16 |
| Air Flow |
16 |
| Air Flow |
16 |
| The recommended HP Integrity rx8620 Server cabinet air intake temperature is between 68° F and 77... |
16 |
| Figure11 |
16 |
| Figure11 |
16 |
| Figure11 Airflow Diagram |
16 |
| Figure11 Airflow Diagram |
16 |
| air ducts:illustrated |
17 |
| Power Distribution Unit |
17 |
| The server may ship with a power distribution unit (PDU). There are two 60A PDUs available for th... |
17 |
| The 60A NEMA |
17 |
| The 60A IEC PDU has four 16A circuit breakers and is constructed for International use. Each of t... |
17 |
| Each PDU is 3U high and is rack-mounted in the server cabinet. |
17 |
| Documentation for installation will accompany the PDU. The documentation can also be found at the... |
17 |
| The PDU installation kit contains the: |
17 |
| • PDU with cord and plug |
17 |
| • PDU with cord and plug |
17 |
| • Mounting hardware |
17 |
| • Installation instructions |
17 |
| Weight |
18 |
| Weight |
18 |
| To determine overall weight, follow the example in |
18 |
| <TABLE> |
18 |
| Table17 Example Weight Summary |
18 |
| <TABLE HEADING> |
18 |
| <TABLE ROW> |
18 |
| Component |
18 |
| Quantity |
18 |
| Multiply By |
18 |
| Weight (kg) |
18 |
| <TABLE BODY> |
18 |
| <TABLE ROW> |
18 |
| Cell Board |
18 |
| 4 |
18 |
| 27.8 lb. (12.16) |
18 |
| 107.20 lb. (48.64) |
18 |
| <TABLE ROW> |
18 |
| PCI Card (varies - used sample value) |
18 |
| 4 |
18 |
| 0.34 lb. (0.153) |
18 |
| 1.36 lb. (0.61) |
18 |
| <TABLE ROW> |
18 |
| Power Supply (BPS) |
18 |
| Power Supply (BPS) |
18 |
| 6 |
18 |
| 12 lb. (5.44) |
18 |
| 12 lb. (5.44) |
18 |
| 72 lb. (32.66) |
18 |
| 72 lb. (32.66) |
18 |
| <TABLE ROW> |
18 |
| DVD Drive |
18 |
| DVD Drive |
18 |
| 2 |
18 |
| 2 |
18 |
| 2.2 lb. (1.0) |
18 |
| 4.4 lb. (2.0) |
18 |
| 4.4 lb. (2.0) |
18 |
| <TABLE ROW> |
18 |
| Hard Disk Drive |
18 |
| Hard Disk Drive |
18 |
| 4 |
18 |
| 4 |
18 |
| 1.6 lb. (0.73) |
18 |
| 6.40 lb. (2.90) |
18 |
| 6.40 lb. (2.90) |
18 |
| <TABLE ROW> |
18 |
| Chassis with skins and front bezel cover |
18 |
| 1 |
18 |
| 131 lb. (59.42) |
18 |
| 131 lb. (59.42) |
18 |
| <TABLE ROW> |
18 |
| Total weight |
18 |
| 322.36 lb. (146.22) |
18 |
| <TABLE> |
18 |
| Table18 Weight Summary |
18 |
| <TABLE HEADING> |
18 |
| <TABLE ROW> |
18 |
| Component |
18 |
| Quantity |
18 |
| Multiply By |
18 |
| Weight (kg) |
18 |
| <TABLE BODY> |
18 |
| <TABLE ROW> |
18 |
| Cell Board |
18 |
| 27.8 lb. (12.16) |
18 |
| lb. () |
18 |
| <TABLE ROW> |
18 |
| PCI Card |
18 |
| varies lb. (varies) |
18 |
| lb. () |
18 |
| <TABLE ROW> |
18 |
| Power Supply (BPS) |
18 |
| Power Supply (BPS) |
18 |
| 12 lb. (5.44) |
18 |
| 12 lb. (5.44) |
18 |
| lb. () |
18 |
| lb. () |
18 |
| <TABLE ROW> |
18 |
| DVD Drive |
18 |
| DVD Drive |
18 |
| 2.2 lb. (1.0) |
18 |
| 2.2 lb. (1.0) |
18 |
| lb. () |
18 |
| lb. () |
18 |
| <TABLE ROW> |
18 |
| Hard Disk Drive |
18 |
| Hard Disk Drive |
18 |
| 1.6 lb. (0.73) |
18 |
| 1.6 lb. (0.73) |
18 |
| lb. () |
18 |
| lb. () |
18 |
| <TABLE ROW> |
18 |
| Chassis with skins and front bezel cover |
18 |
| 131 lb. (59.42) |
18 |
| lb. () |
18 |
| <TABLE ROW> |
18 |
| Total weight |
18 |
| lb. () |
18 |
| 2 General Site Preparation Guidelines |
19 |
| 2 General Site Preparation Guidelines |
19 |
| The following information provides general principles and practices to consider before the instal... |
19 |
| The following information provides general principles and practices to consider before the instal... |
19 |
| Electrical Factors |
20 |
| Electrical Factors |
20 |
| NOTE Electrical practices and suggestions in this guide are based on North American practices. Fo... |
20 |
| NOTE Electrical practices and suggestions in this guide are based on North American practices. Fo... |
20 |
| An example would be the recommendation that the protective earthing (PE) conductor be green with ... |
20 |
| Local authority has jurisdiction (LAHJ) and should make the final decision regarding adherence to... |
20 |
| Proper design and installation of a server power distribution system requires specialized skills.... |
20 |
| In general, a well-designed power distribution system exceeds the requirements of most electrical... |
20 |
| A detailed discussion of power distribution system design and installation is beyond the scope of... |
20 |
| The electrical factors discussed in this section are: |
20 |
| • Computer room safety |
20 |
| • Computer room safety |
20 |
| • Computer room safety |
20 |
| • Power Consumption |
20 |
| • Power Consumption |
20 |
| • Electrical load requirements (circuit breaker sizing) |
20 |
| • Electrical load requirements (circuit breaker sizing) |
20 |
| • Power quality |
20 |
| • Power quality |
20 |
| • Distribution hardware |
20 |
| • Distribution hardware |
20 |
| • System installation guidelines |
20 |
| • System installation guidelines |
20 |
| Computer Room Safety |
20 |
| Computer Room Safety |
20 |
| Inside the computer room, fire protection and adequate lighting (for equipment servicing) are imp... |
20 |
| computer room safety:fire protection |
20 |
| Fire Protection |
20 |
| Fire Protection |
20 |
| The National Fire Protection Association’s Standard for the Protection of Electronic Computer Dat... |
20 |
| electrical and environmental guidelines:computer room safety:fire protection |
20 |
| fire protection |
20 |
| Most computer room installations are equipped with the following fire protection devices: |
20 |
| • Smoke detectors |
20 |
| • Smoke detectors |
20 |
| • Smoke detectors |
20 |
| • Fire and temperature alarms |
20 |
| • Fire and temperature alarms |
20 |
| • Fire extinguishing system |
20 |
| • Fire extinguishing system |
20 |
| Additional safety devices are: |
20 |
| • Circuit breakers |
21 |
| • Circuit breakers |
21 |
| • Circuit breakers |
21 |
| • An emergency power cutoff switch |
21 |
| • An emergency power cutoff switch |
21 |
| • Devices specific to the geographic location (such as earthquake protection) |
21 |
| • Devices specific to the geographic location (such as earthquake protection) |
21 |
| Lighting Requirements for Equipment Servicing |
21 |
| Lighting Requirements for Equipment Servicing |
21 |
| Adequate lighting and utility outlets in a computer room reduce the possibility of accidents duri... |
21 |
| electrical and environmental guidelines:lighting requirements |
21 |
| For example, adequate lighting reduces the chances of connector damage when cables are installed ... |
21 |
| The minimum recommended illumination level is 70-foot candles (756 lumens per square meter) when ... |
21 |
| Working Space for Server Access |
21 |
| Working Space for Server Access |
21 |
| The recommended working space for performing maintenance on the server is three feet. The work sp... |
21 |
| Power Consumption |
21 |
| Power Consumption |
21 |
| When determining power requirements, you must consider any peripheral equipment that will be inst... |
21 |
| Electrical Load Requirements (Circuit Breaker Sizing) |
21 |
| Electrical Load Requirements (Circuit Breaker Sizing) |
21 |
| NOTE LAHJ and should make the final decision regarding adherence to country-specific electrical c... |
21 |
| NOTE LAHJ and should make the final decision regarding adherence to country-specific electrical c... |
21 |
| lighting requirements |
21 |
| lighting requirements |
21 |
| • To avoid nuisance tripping from load shifts or power transients, circuit protection devices sho... |
21 |
| • To avoid nuisance tripping from load shifts or power transients, circuit protection devices sho... |
21 |
| • To avoid nuisance tripping from load shifts or power transients, circuit protection devices sho... |
21 |
| • Safety agencies derate most power connectors to 80% of their RMS current ratings. |
21 |
| • Safety agencies derate most power connectors to 80% of their RMS current ratings. |
21 |
| Power Quality |
21 |
| Power Quality |
21 |
| The server is designed to operate over a wide range of voltages and frequencies. The server is te... |
21 |
| electrical and environmental guidelines:power quality |
22 |
| power quality |
22 |
| Sources of Voltage Fluctuations |
22 |
| Sources of Voltage Fluctuations |
22 |
| Voltage fluctuations, sometimes called glitches, affect the quality of electrical power. Common s... |
22 |
| sources of electrical disturbances |
22 |
| electrical and environmental guidelines:power quality:sources of electrical disturbances |
22 |
| • Fluctuations occurring within the facility’s distribution system |
22 |
| • Fluctuations occurring within the facility’s distribution system |
22 |
| • Fluctuations occurring within the facility’s distribution system |
22 |
| • Utility service low-voltage conditions (such as sags or brownouts) |
22 |
| • Utility service low-voltage conditions (such as sags or brownouts) |
22 |
| • Wide and rapid variations in input voltage levels |
22 |
| • Wide and rapid variations in input voltage levels |
22 |
| • Wide and rapid variations in input power frequency |
22 |
| • Wide and rapid variations in input power frequency |
22 |
| • Electrical storms |
22 |
| • Electrical storms |
22 |
| • Large inductive sources (such as motors and welders) |
22 |
| • Large inductive sources (such as motors and welders) |
22 |
| • Faults in the distribution system wiring (such as loose connections) |
22 |
| • Faults in the distribution system wiring (such as loose connections) |
22 |
| • Microwave, radar, radio, or cell phone transmissions |
22 |
| • Microwave, radar, radio, or cell phone transmissions |
22 |
| Power System Protection |
23 |
| Power System Protection |
23 |
| The server can be protected from the sources of many of these electrical disturbances by using: |
23 |
| power system protection |
23 |
| computer system:power system protection |
23 |
| • A dedicated power distribution system |
23 |
| • A dedicated power distribution system |
23 |
| • A dedicated power distribution system |
23 |
| • Power conditioning equipment |
23 |
| • Power conditioning equipment |
23 |
| • Over- and under-voltage detection and protection circuits |
23 |
| • Over- and under-voltage detection and protection circuits |
23 |
| • Screening to cancel out the effects of undesirable transmissions |
23 |
| • Screening to cancel out the effects of undesirable transmissions |
23 |
| • Lightning arresters on power cables to protect equipment against electrical storms |
23 |
| • Lightning arresters on power cables to protect equipment against electrical storms |
23 |
| Precautions have been taken during power distribution system design to provide immunity to power ... |
23 |
| • Dedicated power source—Isolates a server power distribution system from other circuits in the f... |
23 |
| • Dedicated power source—Isolates a server power distribution system from other circuits in the f... |
23 |
| • Dedicated power source—Isolates a server power distribution system from other circuits in the f... |
23 |
| • Missing-phase and low-voltage detectors—Shuts equipment down automatically when a severe power ... |
23 |
| • Missing-phase and low-voltage detectors—Shuts equipment down automatically when a severe power ... |
23 |
| • Online uninterruptible power supply (UPS)—Keeps input voltage to devices constant and should be... |
23 |
| • Online uninterruptible power supply (UPS)—Keeps input voltage to devices constant and should be... |
23 |
| Distribution Hardware |
23 |
| Distribution Hardware |
23 |
| This section describes wire selection and the types of raceways (electrical conduits) used in the... |
23 |
| power distribution:hardware |
23 |
| Wire Selection |
23 |
| Wire Selection |
23 |
| Use copper conductors instead of aluminum, as aluminum’s coefficient of expansion differs signifi... |
23 |
| Raceway Systems (Electrical Conduits) (LAHJ) |
23 |
| Raceway Systems (Electrical Conduits) (LAHJ) |
23 |
| Raceways (electrical conduits) form part of the protective ground path for personnel and equipmen... |
23 |
| Any of the following types may be used: |
23 |
| • Electrical metallic tubing (EMT) thin-wall tubing |
23 |
| • Electrical metallic tubing (EMT) thin-wall tubing |
23 |
| • Rigid (metal) conduit |
23 |
| • Liquidtight with RFI shield grounded (most commonly used under raised floors) |
23 |
| Building Distribution |
23 |
| Building Distribution |
23 |
| All building feeders and branch circuitry should be in rigid metallic conduit with proper connect... |
23 |
| Grounding Systems |
24 |
| Grounding Systems |
24 |
| IT Power System |
24 |
| This product has not been evaluated for connection to an IT power system (an AC distribution syst... |
24 |
| A server requires two methods of grounding: |
24 |
| electrical and environmental guidelines:grounding systems |
24 |
| grounding systems |
24 |
| • Power distribution safety grounding |
24 |
| • Power distribution safety grounding |
24 |
| • Power distribution safety grounding |
24 |
| • High-frequency intercabinet grounding |
24 |
| • High-frequency intercabinet grounding |
24 |
| Power Distribution Safety Grounding (LAHJ) |
24 |
| Power Distribution Safety Grounding (LAHJ) |
24 |
| The power distribution safety grounding system consists of connecting various points in the power... |
24 |
| power distribution:safety grounding |
24 |
| electrical and environmental guidelines:power distribution safety grounding |
24 |
| Power distribution systems consist of several parts. HP recommends that these parts be solidly in... |
24 |
| Main Building Electrical Ground |
24 |
| Main Building Electrical Ground |
24 |
| The main electrical service entrance equipment should have an earth ground connection, as require... |
24 |
| electrical and environmental guidelines:main building electrical ground |
24 |
| Electrical Conduit Ground |
24 |
| All electrical conduits should be made of rigid metallic conduit that is securely connected toget... |
24 |
| grounding systems:electrical conduit ground |
24 |
| Power Panel Ground |
24 |
| Each power panel should be grounded to the electrical service entrance with green (green/yellow) ... |
24 |
| electrical and environmental guidelines:power panel grounds |
24 |
| NOTE The green wire ground conductor mentioned above might be a black wire marked with green tape... |
24 |
| NOTE The green wire ground conductor mentioned above might be a black wire marked with green tape... |
24 |
| Computer Safety Ground |
24 |
| Computer Safety Ground |
24 |
| Ground all computer equipment with the green (green/yellow) wire included in the branch circuitry... |
24 |
| electrical and environmental guidelines:main building electrical ground |
24 |
| Dual Power Source Grounding |
24 |
| When dual power sources are utilized, strong consideration should be given to measure voltage pot... |
24 |
| Dual power sources might originate from two different transformers or two different UPS devices. ... |
24 |
| Cabinet Performance Grounding (High-Frequency Ground) |
25 |
| Cabinet Performance Grounding (High-Frequency Ground) |
25 |
| Signal interconnects between system cabinets require high-frequency ground return paths. Connect ... |
25 |
| NOTE In some cases, power distribution system green (green/yellow) wire ground conductors are too... |
25 |
| NOTE In some cases, power distribution system green (green/yellow) wire ground conductors are too... |
25 |
| Power panels located in close proximity to the computer equipment should also be connected to the... |
25 |
| Raised Floor “High-Frequency Noise” Grounding |
26 |
| Raised Floor “High-Frequency Noise” Grounding |
26 |
| If a raised floor system is used, install a complete signal reference grid (SRG) for maintaining ... |
26 |
| NOTE Regardless of the grounding connection method used, the raised floor should be grounded as a... |
26 |
| NOTE Regardless of the grounding connection method used, the raised floor should be grounded as a... |
26 |
| HP recommends the following approaches: |
26 |
| • Excellent—Add a grounding grid to the subfloor. The grounding grid should be made of copper str... |
26 |
| • Excellent—Add a grounding grid to the subfloor. The grounding grid should be made of copper str... |
26 |
| • Excellent—Add a grounding grid to the subfloor. The grounding grid should be made of copper str... |
26 |
| Connect each pedestal to four strips using 1/4-in (6.0-mm) bolts tightened to the manufacturer’s ... |
26 |
| • Better—A grounded #6 AWG minimum copper wire grid mechanically clamped to floor pedestals and p... |
26 |
| • Good—Use the raised floor structure as a ground grid. In this case, the floor must be designed ... |
26 |
| • Good—Use the raised floor structure as a ground grid. In this case, the floor must be designed ... |
26 |
| Figure21 Raised Floor Metal Strip Ground System |
27 |
| Figure21 Raised Floor Metal Strip Ground System |
27 |
| raised floor:ground system, illustrated |
28 |
| Equipment Grounding Implementation Details |
28 |
| Connect all HP equipment cabinets to the site ground grid as follows: |
28 |
| Step 1. Attach one end of each ground strap to the applicable cabinet ground lug. |
28 |
| Step 1. Attach one end of each ground strap to the applicable cabinet ground lug. |
28 |
| Step 2. Attach the other end to the nearest pedestal base (raised floor) or cable trough ground... |
28 |
| Step 3. Check that the braid contact on each end of the ground strap consists of a terminal and... |
28 |
| Step 4. Check that the braid contact connection points are free of paint or other insulating ma... |
28 |
| System Installation Guidelines |
28 |
| System Installation Guidelines |
28 |
| This section contains information about installation practices. Some common pitfalls are highligh... |
28 |
| system installation guidelines |
28 |
| electrical and environmental guidelines:system installation guidelines |
28 |
| NOTE In domestic installations, the proper receptacles should be installed before the arrival of ... |
28 |
| NOTE In domestic installations, the proper receptacles should be installed before the arrival of ... |
28 |
| Wiring Connections |
28 |
| Wiring Connections |
28 |
| Expansion and contraction rates vary among different metals. Therefore, the integrity of an elect... |
28 |
| wiring:connections |
28 |
| system installation guidelines:wiring connections |
28 |
| CAUTION Connections that are too loose or tight can have a high impedance that cause serious prob... |
28 |
| CAUTION Connections that are too loose or tight can have a high impedance that cause serious prob... |
28 |
| Wiring connections must be properly torqued. Many equipment manufacturers specify the proper conn... |
28 |
| Ground connections must only be made on a conductive, non-painted surface. When equipment vibrati... |
28 |
| Data Communications Cables |
28 |
| Data Communications Cables |
28 |
| Power transformers create high-energy fields in the form of electromagnetic interference (EMI). H... |
28 |
| data communications cables |
29 |
| Environmental Elements |
29 |
| The following environmental elements can affect a server installation: |
29 |
| computer system:environmental elements |
29 |
| environmental elements |
29 |
| • Computer room preparation |
29 |
| • Computer room preparation |
29 |
| • Computer room preparation |
29 |
| • Cooling requirements |
29 |
| • Cooling requirements |
29 |
| • Humidity level |
29 |
| • Humidity level |
29 |
| • Air-conditioning ducts |
29 |
| • Air-conditioning ducts |
29 |
| • Dust and pollution control |
29 |
| • Dust and pollution control |
29 |
| • ESD prevention |
29 |
| • ESD prevention |
29 |
| • Acoustics (noise reduction) |
29 |
| • Acoustics (noise reduction) |
29 |
| Computer Room Preparation |
29 |
| Computer Room Preparation |
29 |
| The following guidelines are recommended when preparing a computer room for a server: |
29 |
| environmental elements:computer room considerations |
29 |
| • Locate the computer room away from the exterior walls of the building to avoid the heat gain fr... |
29 |
| • Locate the computer room away from the exterior walls of the building to avoid the heat gain fr... |
29 |
| • Locate the computer room away from the exterior walls of the building to avoid the heat gain fr... |
29 |
| • When exterior windows are unavoidable, use windows that are double- or triple-glazed and shaded... |
29 |
| • When exterior windows are unavoidable, use windows that are double- or triple-glazed and shaded... |
29 |
| • Maintain the computer room at a positive pressure relative to surrounding spaces. |
29 |
| • Maintain the computer room at a positive pressure relative to surrounding spaces. |
29 |
| • Use a vapor barrier installed around the entire computer room envelope to restrain moisture mig... |
29 |
| • Use a vapor barrier installed around the entire computer room envelope to restrain moisture mig... |
29 |
| • Caulk and vapor seal all pipes and cables that penetrate the envelope. |
29 |
| • Caulk and vapor seal all pipes and cables that penetrate the envelope. |
29 |
| • Use at least a 12-inch raised floor system for minimum favorable room air distribution system (... |
29 |
| • Use at least a 12-inch raised floor system for minimum favorable room air distribution system (... |
29 |
| • Ensure a minimum clearance of 12 in. between the top of the server cabinet and the ceiling to a... |
29 |
| • Ensure a minimum clearance of 12 in. between the top of the server cabinet and the ceiling to a... |
29 |
| • Allow 18 in. (or local code minimum clearance) from the top of the server cabinet to the fire s... |
29 |
| Cooling Requirements |
29 |
| Cooling Requirements |
29 |
| Air-conditioning equipment requirements and recommendations are described in the following sections. |
29 |
| cooling requirements |
29 |
| environmental elements:cooling requirements |
29 |
| Basic Air-Conditioning Equipment Requirements |
29 |
| Basic Air-Conditioning Equipment Requirements |
29 |
| The cooling capacity of the installed air-conditioning equipment for the computer room should be ... |
29 |
| air-conditioning:requirements |
29 |
| environmental elements:air-conditioning equipment requirements |
29 |
| • Air filtration |
29 |
| • Air filtration |
29 |
| • Air filtration |
29 |
| • Cooling or dehumidification |
29 |
| • Cooling or dehumidification |
29 |
| • Humidification |
29 |
| • Humidification |
29 |
| • Reheating |
29 |
| • Reheating |
29 |
| • Air distribution |
30 |
| • Air distribution |
30 |
| • System controls adequate to maintain the computer room within specified operating ranges. |
30 |
| • System controls adequate to maintain the computer room within specified operating ranges. |
30 |
| Lighting and personnel must also be included. For example, a person dissipates about 450 BTUs per... |
30 |
| At altitudes above 10,000 feet (3048 m), the lower air density reduces the cooling capability of ... |
30 |
| Air-Conditioning System Guidelines |
30 |
| Air-Conditioning System Guidelines |
30 |
| The following guidelines are recommended when designing an air-conditioning system and selecting ... |
30 |
| environmental elements:air-conditioning recommendations |
30 |
| • The computer room air-conditioning system should be capable of operating 24 hours a day, 365 da... |
30 |
| • The computer room air-conditioning system should be capable of operating 24 hours a day, 365 da... |
30 |
| • The computer room air-conditioning system should be capable of operating 24 hours a day, 365 da... |
30 |
| • Consider the long-term value of server availability, redundant air-conditioning equipment, or c... |
30 |
| • Consider the long-term value of server availability, redundant air-conditioning equipment, or c... |
30 |
| • The system should be capable of handling any future server expansion. |
30 |
| • The system should be capable of handling any future server expansion. |
30 |
| • Air-conditioning equipment air filters should have a minimum rating of 45% (based on “ASHRAE St... |
30 |
| • Air-conditioning equipment air filters should have a minimum rating of 45% (based on “ASHRAE St... |
30 |
| • Introduce only enough outside air into the system to meet building code requirements (for human... |
30 |
| • Introduce only enough outside air into the system to meet building code requirements (for human... |
30 |
| Air-Conditioning System Types |
30 |
| Air-Conditioning System Types |
30 |
| The following three air-conditioning system types are listed in order of preference: |
30 |
| air-conditioning:system recommendations |
30 |
| • Complete self-contained package units with remote condensers. These systems are available with ... |
30 |
| • Complete self-contained package units with remote condensers. These systems are available with ... |
30 |
| • Complete self-contained package units with remote condensers. These systems are available with ... |
30 |
| • Chilled water package unit with remote chilled water plant. These systems are available with up... |
30 |
| • Chilled water package unit with remote chilled water plant. These systems are available with up... |
30 |
| • Central station air-handling units with remote refrigeration equipment. These systems are usual... |
30 |
| • Central station air-handling units with remote refrigeration equipment. These systems are usual... |
30 |
| Basic Air-Distribution Systems |
30 |
| Basic Air-Distribution Systems |
30 |
| A basic air-distribution system includes supply air and return air. |
30 |
| basic air-distribution systems |
30 |
| electrical and environmental guidelines:air-distribution system |
30 |
| environmental elements:air-distribution systems |
30 |
| An air-distribution system should be zoned to deliver an adequate amount of supply air to the coo... |
30 |
| • Ceiling supply system—From 55° F (12.8° C) to 60° F (15.6° C) |
30 |
| • Ceiling supply system—From 55° F (12.8° C) to 60° F (15.6° C) |
30 |
| • Ceiling supply system—From 55° F (12.8° C) to 60° F (15.6° C) |
30 |
| • Floor supply system—At least 60° F (15.6° C) |
30 |
| • Floor supply system—At least 60° F (15.6° C) |
30 |
| If a ceiling plenum return air system or a ducted ceiling return air system is used, the return a... |
30 |
| The following three types of air distribution systems are listed in order of recommendation: |
30 |
| air-distribution system:room space return air |
30 |
| • Under floor air distribution system—Down flow air-conditioning equipment located on the raised ... |
30 |
| • Under floor air distribution system—Down flow air-conditioning equipment located on the raised ... |
30 |
| • Under floor air distribution system—Down flow air-conditioning equipment located on the raised ... |
30 |
| Return air from an under floor air-distribution system can be ducted return air (DRA) above the c... |
31 |
| Perforated floor panels (available from the raised floor manufacturer) should be located around t... |
31 |
| • Ceiling plenum air distribution system—Supply air is ducted into the ceiling plenum from upflow... |
31 |
| • Ceiling plenum air distribution system—Supply air is ducted into the ceiling plenum from upflow... |
31 |
| The ceiling construction should resist air leakage. Place perforated ceiling panels (with down di... |
31 |
| Return air should be ducted back to the air-conditioning equipment though the return air duct abo... |
31 |
| • Above ceiling ducted air-distribution system—Supply air is ducted into a ceiling diffuser syste... |
31 |
| • Above ceiling ducted air-distribution system—Supply air is ducted into a ceiling diffuser syste... |
31 |
| Return air from an above ceiling ducted air-distribution system can be ducted return air (DRA) ab... |
31 |
| Adjust the supply air diffuser system grilles to direct the cooling air downward around the front... |
31 |
| Air-Conditioning System Installation |
31 |
| Air-Conditioning System Installation |
31 |
| All air-conditioning equipment, materials, and installation must comply with any applicable const... |
31 |
| Air-Conditioning Ducts |
31 |
| Air-Conditioning Ducts |
31 |
| Use separate computer room air-conditioning duct work. If it is not separate from the rest of the... |
31 |
| air-conditioning:ducts |
31 |
| Humidity Level |
31 |
| Maintain proper humidity levels at 40 to 55% relative humidity (RH). High humidity causes galvani... |
31 |
| humidity level |
31 |
| environmental elements:humidity level |
31 |
| CAUTION Low humidity contributes to undesirably high levels of electrostatic charges. This increa... |
31 |
| CAUTION Low humidity contributes to undesirably high levels of electrostatic charges. This increa... |
31 |
| Low humidity levels are often the result of the facility heating system and occur during the cold... |
31 |
| Dust and Pollution Control |
31 |
| Dust and Pollution Control |
31 |
| Computer equipment can be adversely affected by dust and microscopic particles in the site enviro... |
31 |
| environmental elements:dust and pollution control |
32 |
| electrical and environmental guidelines:dust and pollution control |
32 |
| Specifically, disk drives, tape drives, and some other mechanical devices can have bearing failur... |
32 |
| Smaller particles can pass though some filters and, over time, cause problems in mechanical parts... |
32 |
| Other sources of dust, metallic, conductive, abrasive, and microscopic particles can be present. ... |
32 |
| • Subfloor shedding |
32 |
| • Subfloor shedding |
32 |
| • Raised-floor shedding |
32 |
| • Ceiling-tile shedding |
32 |
| These particulates are not always visible to the naked eye. A good check to determine their possi... |
32 |
| The computer room should be kept clean. The following guidelines are recommended: |
32 |
| • Smoking—Establish a no-smoking policy. Cigarette smoke particles are eight times larger than th... |
32 |
| • Smoking—Establish a no-smoking policy. Cigarette smoke particles are eight times larger than th... |
32 |
| • Smoking—Establish a no-smoking policy. Cigarette smoke particles are eight times larger than th... |
32 |
| • Printer—Locate printers and paper products in a separate room to eliminate paper particulate pr... |
32 |
| • Printer—Locate printers and paper products in a separate room to eliminate paper particulate pr... |
32 |
| • Eating or drinking—Establish a no-eating or drinking policy. Spilled liquids can cause short ci... |
32 |
| • Eating or drinking—Establish a no-eating or drinking policy. Spilled liquids can cause short ci... |
32 |
| • Tile floors—Use a dust-absorbent cloth mop rather than a dry mop to clean tile floors. |
32 |
| • Tile floors—Use a dust-absorbent cloth mop rather than a dry mop to clean tile floors. |
32 |
| Special precautions are necessary if the computer room is near a source of air pollution. Some ai... |
32 |
| Metallic Particulate Contamination |
32 |
| Metallic Particulate Contamination |
32 |
| Metallic particulates can be especially harmful around electronic equipment. This type of contami... |
32 |
| Over time, very fine whiskers of pure metal can form on electroplated zinc, cadmium, or tin surfa... |
32 |
| Although this problem is relatively rare, it can be an issue within your computer room. Since met... |
32 |
| ESD Prevention |
33 |
| ESD Prevention |
33 |
| Static charges (voltage levels) occur when objects are separated or rubbed together. The voltage ... |
33 |
| environmental elements:electrostatic discharge:prevention |
33 |
| • Types of materials |
33 |
| • Types of materials |
33 |
| • Types of materials |
33 |
| • Relative humidity |
33 |
| • Relative humidity |
33 |
| • Rate of change or separation |
33 |
| • Rate of change or separation |
33 |
| <TABLE> |
33 |
| Table21 Effect of Humidity on ESD Charge Levels |
33 |
| <TABLE HEADING> |
33 |
| <TABLE ROW> |
33 |
| Personnel Activity |
33 |
| Humidityand Charge Levels (voltages) |
33 |
| <TABLE ROW> |
33 |
| 26% |
33 |
| 32% |
33 |
| 40% |
33 |
| 50% |
33 |
| <TABLE ROW> |
33 |
| Person walking across a linoleum floor |
33 |
| 6,150 V |
33 |
| 5,750 V |
33 |
| 4,625 V |
33 |
| 3,700 V |
33 |
| <TABLE BODY> |
33 |
| <TABLE ROW> |
33 |
| Person walking across a carpeted floor |
33 |
| 18,450 V |
33 |
| 17,250 V |
33 |
| 13,875 V |
33 |
| 11,100 V |
33 |
| <TABLE ROW> |
33 |
| Person getting up from a plastic chair |
33 |
| 24,600 V |
33 |
| 23,000 V |
33 |
| 18,500 V |
33 |
| 14,800 V |
33 |
| Static Protection Measures |
33 |
| Static Protection Measures |
33 |
| Follow these precautions to minimize possible ESD-induced failures in the computer room: |
33 |
| environmental elements:static protection measures |
33 |
| • Maintain recommended humidity level and airflow rates in the computer room. |
33 |
| • Maintain recommended humidity level and airflow rates in the computer room. |
33 |
| • Maintain recommended humidity level and airflow rates in the computer room. |
33 |
| • Install conductive flooring (conductive adhesive must be used when laying tiles). |
33 |
| • Install conductive flooring (conductive adhesive must be used when laying tiles). |
33 |
| • Use conductive wax if waxed floors are necessary. |
33 |
| • Use conductive wax if waxed floors are necessary. |
33 |
| • Ensure that all equipment and flooring are properly grounded and are at the same ground potential. |
33 |
| • Ensure that all equipment and flooring are properly grounded and are at the same ground potential. |
33 |
| • Use conductive tables and chairs. |
33 |
| • Use conductive tables and chairs. |
33 |
| • Use a grounded wrist strap (or other grounding method) when handling circuit boards. |
33 |
| • Use a grounded wrist strap (or other grounding method) when handling circuit boards. |
33 |
| • Store spare electronic modules in antistatic containers. |
33 |
| • Store spare electronic modules in antistatic containers. |
33 |
| Acoustics |
34 |
| Acoustics |
34 |
| Computer equipment and air-conditioning blowers cause computer rooms to be noisy. Ambient noise l... |
34 |
| environmental elements:acoustics |
34 |
| • Dropped ceiling—Cover with a commercial grade of fire-resistant, acoustic-rated, fiberglass cei... |
34 |
| • Dropped ceiling—Cover with a commercial grade of fire-resistant, acoustic-rated, fiberglass cei... |
34 |
| • Dropped ceiling—Cover with a commercial grade of fire-resistant, acoustic-rated, fiberglass cei... |
34 |
| • Sound deadening—Cover the walls with curtains or other sound deadening material. |
34 |
| • Sound deadening—Cover the walls with curtains or other sound deadening material. |
34 |
| • Removable partitions—Use foam rubber models for most effectiveness. |
34 |
| • Removable partitions—Use foam rubber models for most effectiveness. |
34 |
| Facility Characteristics |
35 |
| Facility Characteristics |
35 |
| This section contains information about facility characteristics that must be considered for the ... |
35 |
| facility characteristics |
35 |
| facility guidelines:characteristics |
35 |
| • Floor loading |
35 |
| • Floor loading |
35 |
| • Floor loading |
35 |
| • Windows |
35 |
| • Windows |
35 |
| • Altitude effects |
35 |
| • Altitude effects |
35 |
| Floor Loading |
35 |
| Floor Loading |
35 |
| The computer room floor must be able to support the total weight of the installed server as well ... |
35 |
| Floor loading is usually not an issue in nonraised floor installations. The information presented... |
35 |
| NOTE An appropriate floor system consultant should verify any floor system under consideration fo... |
35 |
| NOTE An appropriate floor system consultant should verify any floor system under consideration fo... |
35 |
| Raised Floor Loading |
35 |
| Raised Floor Loading |
35 |
| Raised floor loading is a function of the manufacturer’s load specification and the positioning o... |
35 |
| floor loading:raised floor |
35 |
| The following guidelines are recommended: |
35 |
| • Because many raised floor systems do not have grid stringers between floor stands, the lateral ... |
35 |
| • Because many raised floor systems do not have grid stringers between floor stands, the lateral ... |
35 |
| • Because many raised floor systems do not have grid stringers between floor stands, the lateral ... |
35 |
| • Larger floor grids (bigger panels) are generally rated for lighter loads. |
35 |
| • Larger floor grids (bigger panels) are generally rated for lighter loads. |
35 |
| CAUTION Do not position or install any equipment cabinets on the raised floor system until you ha... |
35 |
| CAUTION Do not position or install any equipment cabinets on the raised floor system until you ha... |
35 |
| Floor Loading Terms |
35 |
| Floor Loading Terms |
35 |
| . |
35 |
| <TABLE> |
35 |
| Table22 Floor Loading Term Definitions |
35 |
| <TABLE HEADING> |
35 |
| <TABLE ROW> |
35 |
| Term |
35 |
| Definition |
35 |
| <TABLE BODY> |
35 |
| <TABLE ROW> |
35 |
| Dead load |
35 |
| The weight of the raised panel floor system, including the understructure. Expressed in lb/ft2 (k... |
35 |
| <TABLE ROW> |
35 |
| Live load |
35 |
| The load that the floor system can safely support. Expressed in lb/ft2 (kg/m2). |
35 |
| <TABLE ROW> |
36 |
| Concentrated load |
36 |
| The load that a floor panel can support on a 1-in2 (6.45-cm2) area at the panels weakest point (t... |
36 |
| <TABLE ROW> |
36 |
| Ultimate load |
36 |
| The maximum load (per floor panel) that the floor system can support without failure. Failure exp... |
36 |
| <TABLE ROW> |
36 |
| Rolling load |
36 |
| The load a floor panel can support (without failure) when a wheel of specified diameter and width... |
36 |
| <TABLE ROW> |
36 |
| Average floor load |
36 |
| Computed by dividing total equipment weight by the area of its footprint. This value is expressed... |
36 |
| Average Floor Loading |
36 |
| Average Floor Loading |
36 |
| The average floor load value is not appropriate for addressing raised floor ratings at the floor ... |
36 |
| Typical Raised Floor Site |
36 |
| Typical Raised Floor Site |
36 |
| This section contains an example of a computer room raised floor system that is satisfactory for ... |
36 |
| facility guidelines:typical raised floor site |
36 |
| Based on specific information provided by HP, Tate Access Floors has approved its Series 800 all-... |
36 |
| In the event that the flooring is being replaced or a new floor is being installed, Tate Access F... |
36 |
| NOTE If the specific floor being evaluated or considered is other than a Tate Series 800 floor, t... |
36 |
| NOTE If the specific floor being evaluated or considered is other than a Tate Series 800 floor, t... |
36 |
| The following table lists specifications for the Tate Access Floors Series 800 raised floor system. |
36 |
| <TABLE> |
36 |
| Table23 Typical Raised Floor Specifications |
36 |
| <TABLE HEADING> |
36 |
| <TABLE ROW> |
36 |
| Item |
36 |
| Rating |
36 |
| <TABLE BODY> |
36 |
| <TABLE ROW> |
36 |
| Dead load |
36 |
| 7 lb/ft 2 (34.2 kg/m2) |
36 |
| <TABLE ROW> |
36 |
| Live load |
36 |
| 313 lb/ft 2 (1528.3 kg/m2) |
36 |
| <TABLE ROW> |
36 |
| Concentrated load |
36 |
| 1250 lb (567 kg) |
36 |
| <TABLE ROW> |
37 |
| Ultimate load |
37 |
| 4000 lb (1814 kg) per panel |
37 |
| <TABLE ROW> |
37 |
| Rolling load |
37 |
| 400 lb (181 kg) |
37 |
| <TABLE ROW> |
37 |
| Average floor load |
37 |
| 500 lb (227 kg) |
37 |
| Windows |
37 |
| Windows |
37 |
| Avoid housing computers in a room with windows. Sunlight entering a computer room can cause probl... |
37 |
| facility guidelines:windows |
38 |
| Space Requirements |
38 |
| This section contains information about space requirements for the server. This data should be us... |
38 |
| space requirements |
38 |
| Delivery Space Requirements |
38 |
| Delivery Space Requirements |
38 |
| There should be enough clearance to move equipment safely from the receiving area to the computer... |
38 |
| space requirements:delivery space requirements |
38 |
| Delivery plans should include the possible removal of walls or doors. |
38 |
| Operational Space Requirements |
38 |
| Operational Space Requirements |
38 |
| Other factors must be considered in addition to the basic equipment dimensions. Reduced airflow a... |
38 |
| facility guidelines:operational space requirements |
38 |
| The locations of lighting fixtures and utility outlets affect servicing operations. Plan equipmen... |
38 |
| Clearance around the cabinets must be provided for proper cooling airflow through the equipment. |
38 |
| If other equipment is located so that it exhausts heated air near the cooling air intakes of the ... |
38 |
| <TABLE> |
38 |
| Table24 Computer Room Environment |
38 |
| <TABLE HEADING> |
38 |
| <TABLE ROW> |
38 |
| Parameter |
38 |
| Parameter |
38 |
| Operating Limits |
38 |
| Operating Limits |
38 |
| Recommended Operating Range |
38 |
| Maximum Rate of Change (per hour) |
38 |
| Non-Operating Ranges |
38 |
| Non-Operating Ranges |
38 |
| <TABLE BODY> |
38 |
| <TABLE ROW> |
38 |
| Temperature |
38 |
| 41°–95° F (5°–35° C) |
38 |
| 41°–95° F (5°–35° C) |
38 |
| 68°–77° F (20°–25° C) |
38 |
| 9° F repetitive, 36° F non-repetitive (5° C repetitive, 20° C non-repetitive) |
38 |
| -40° C to +70° C |
38 |
| <TABLE ROW> |
38 |
| Humidity |
38 |
| 15–80% with no condensation (40–55% recommended) |
38 |
| 40–55% RH non-condensing |
38 |
| 6% |
38 |
| 90% RH non-condensing at 65° C (149° F) |
38 |
| Space planning should also include the possible addition of equipment or other changes in space r... |
38 |
| • Channels or fixtures used for routing data cables and power cables |
38 |
| • Channels or fixtures used for routing data cables and power cables |
38 |
| • Channels or fixtures used for routing data cables and power cables |
38 |
| • Access to air-conditioning ducts, filters, lighting, and electrical power hardware |
39 |
| • Access to air-conditioning ducts, filters, lighting, and electrical power hardware |
39 |
| • Power conditioning equipment |
39 |
| • Power conditioning equipment |
39 |
| • Cabinets for cleaning materials |
39 |
| • Cabinets for cleaning materials |
39 |
| • Maintenance area and spare parts |
39 |
| • Maintenance area and spare parts |
39 |
| Floor Plan Grid |
39 |
| Floor Plan Grid |
39 |
| A floor plan grid is used to plan the location of equipment in the computer room. In addition to ... |
39 |
| facility guidelines:floor-plan grid |
39 |
| • Air-conditioning vents |
39 |
| • Air-conditioning vents |
39 |
| • Air-conditioning vents |
39 |
| • Lighting fixtures |
39 |
| • Lighting fixtures |
39 |
| • Utility outlets |
39 |
| • Utility outlets |
39 |
| • Doors |
39 |
| • Doors |
39 |
| • Access areas for power wiring and air-conditioning filters |
39 |
| • Access areas for power wiring and air-conditioning filters |
39 |
| • Equipment cable routing |
39 |
| • Equipment cable routing |
39 |
| Power Plug Configuration |
40 |
| Power Plug Configuration |
40 |
| Several different power cables are designed for use with HP servers. The region the server ships ... |
40 |
| Female End of Power Cable |
40 |
| The female end of the HP server is a C19 plug that mates with the C20 receptacle in each power su... |
40 |
| Figure22 C20 Male Receptacle (at power supply) |
40 |
| Figure22 C20 Male Receptacle (at power supply) |
40 |
| <GRAPHIC> |
40 |
| Figure23 C19 Female Plug (on one end of the power cord) |
40 |
| <GRAPHIC> |
40 |
| The male plug on the other end of the power cable will vary depending on the region to where the ... |
40 |
| NOTE Several examples follow, though this list is not meant to be all-inclusive nor is this list ... |
41 |
| NOTE Several examples follow, though this list is not meant to be all-inclusive nor is this list ... |
41 |
| Figure24 Unterminated Plug |
41 |
| Figure24 Unterminated Plug |
41 |
| <GRAPHIC> |
41 |
| Figure25 L6-20 Plug |
41 |
| <GRAPHIC> |
41 |
| Figure26 IEC 309 Plug |
41 |
| <GRAPHIC> |
41 |
| Figure27 CEE 7-7 Plug |
41 |
| <GRAPHIC> |
42 |
| Figure28 L6-30 Plug |
42 |
| <GRAPHIC> |
42 |
| Figure29 NEMA 5-20P Plug |
42 |
| <GRAPHIC> |
42 |
| Figure210 ISI 32 Plug |
42 |
| <GRAPHIC> |
42 |
| Figure211 GB 1002 Plug |
42 |
| <GRAPHIC> |
43 |
| The power cable length and configuration varies based on the region to where the server ships. Th... |
43 |
| Figure212 L6-20 Power Cable |
43 |
| Figure212 L6-20 Power Cable |
43 |
| <GRAPHIC> |
44 |
| Conversion Factors and Formulas |
44 |
| The conversion factors provided in this appendix are intended to ease data calculation for system... |
44 |
| Conversion Factors |
44 |
| • Refrigeration |
44 |
| • Refrigeration |
44 |
| • Refrigeration |
44 |
| — 1 watt = 0.86 kcal/h |
44 |
| — 1 watt = 0.86 kcal/h |
44 |
| — 1 watt = 0.86 kcal/h |
44 |
| — 1 watt = 3.412 Btu/h |
44 |
| — 1 watt = 3.412 Btu/h |
44 |
| — 1 watt = 2.843 x 10-4 tons |
44 |
| — 1 watt = 2.843 x 10-4 tons |
44 |
| — 1 ton = 200 Btu/min. |
44 |
| — 1 ton = 200 Btu/min. |
44 |
| — 1 ton = 12,000 Btu/h |
44 |
| — 1 ton = 12,000 Btu/h |
44 |
| — 1 ton = 3,517.2 W |
44 |
| — 1 ton = 3,517.2 W |
44 |
| • Metric Equivalents |
44 |
| • Metric Equivalents |
44 |
| — 1 centimeter = 0.3937 in |
44 |
| — 1 centimeter = 0.3937 in |
44 |
| — 1 centimeter = 0.3937 in |
44 |
| — 1 meter = 3.28 ft. |
44 |
| — 1 meter = 3.28 ft. |
44 |
| — 1 meter = 1.09 yds |
44 |
| — 1 meter = 1.09 yds |
44 |
| — 1 in. = 2.54 cm |
44 |
| — 1 in. = 2.54 cm |
44 |
| — 1 ft. = 0.305 m |
44 |
| — 1 ft. = 0.305 m |
44 |
| — 1 CFM = 1.7m3/h |
44 |
| — 1 CFM = 1.7m3/h |
44 |
| • kVA Conversions |
44 |
| • kVA Conversions |
44 |
| Three phase |
44 |
| kVA = V ¥ A ¥ ÷3 ⁄ 1000 |
44 |
| kVA = V ¥ A ¥ ÷3 ⁄ 1000 |
44 |
| • Single phase |
44 |
| Formulas |
44 |
| • kVA = Voltage x Current (amps) |
44 |
| • kVA = Voltage x Current (amps) |
44 |
| • Watts = VA x PF |
44 |
| • Btu = Watts x 3.41 |
44 |
| Example of an Installation Schedule |
45 |
| Example of an Installation Schedule |
45 |
| The following schedule lists the sequence of events for a typical system installation: |
45 |
| example installation schedule |
45 |
| computer system:sample installation schedule |
45 |
| example installation schedule |
45 |
| • 60 days before installation |
45 |
| • 60 days before installation |
45 |
| • 60 days before installation |
45 |
| — Floor plan design completed and mailed to HP (if required to be an HP task) |
45 |
| — Floor plan design completed and mailed to HP (if required to be an HP task) |
45 |
| — Floor plan design completed and mailed to HP (if required to be an HP task) |
45 |
| • 30 days before installation |
45 |
| • 30 days before installation |
45 |
| • 30 days before installation |
45 |
| — Primary power and air-conditioning installation completed |
45 |
| — Primary power and air-conditioning installation completed |
45 |
| — Primary power and air-conditioning installation completed |
45 |
| — Telephone and data cables installed |
45 |
| — Telephone and data cables installed |
45 |
| — Fire protection equipment installed |
45 |
| — Fire protection equipment installed |
45 |
| — Major facility changes completed |
45 |
| — Major facility changes completed |
45 |
| — Special delivery requirements defined |
45 |
| — Special delivery requirements defined |
45 |
| — Site inspection survey completed |
45 |
| — Site inspection survey completed |
45 |
| — Delivery survey completed |
45 |
| — Delivery survey completed |
45 |
| — A signed copy of the site inspection and delivery survey mailed to HP |
45 |
| — A signed copy of the site inspection and delivery survey mailed to HP |
45 |
| — Site inspection and pre-delivery coordination meeting arranged with a HP representative to revi... |
45 |
| — Site inspection and pre-delivery coordination meeting arranged with a HP representative to revi... |
45 |
| • 7 days before installation |
45 |
| • 7 days before installation |
45 |
| — Final check made with an HP site preparation specialist to resolve any last minute problems |
45 |
| — Final check made with an HP site preparation specialist to resolve any last minute problems |
45 |
| — Final check made with an HP site preparation specialist to resolve any last minute problems |
45 |
| NOTE Not all installations follow a schedule like the one previously noted. Sometimes a server is... |
45 |
| NOTE Not all installations follow a schedule like the one previously noted. Sometimes a server is... |
45 |
| • Site Preparation—schedule with the customer as soon as possible after the order is placed. |
45 |
| • Site Preparation—schedule with the customer as soon as possible after the order is placed. |
45 |
| • Site Verification—schedule with the customer a minimum of one to two days before the product is... |
45 |
| Sample Site Inspection Checklist |
46 |
| Sample Site Inspection Checklist |
46 |
| <TABLE> |
46 |
| Table25 Customer and HP Information |
46 |
| <TABLE HEADING> |
46 |
| <TABLE ROW> |
46 |
| Customer Information |
46 |
| <TABLE BODY> |
46 |
| <TABLE ROW> |
46 |
| Name: |
46 |
| Phone Number: |
46 |
| <TABLE ROW> |
46 |
| Street Address: |
46 |
| City or Town: |
46 |
| <TABLE ROW> |
46 |
| State or Province: |
46 |
| Country |
46 |
| <TABLE ROW> |
46 |
| Zip or postal code: |
46 |
| <TABLE ROW> |
46 |
| Primary customer contact: |
46 |
| Phone Number: |
46 |
| <TABLE ROW> |
46 |
| Secondary customer contact: |
46 |
| Phone Number: |
46 |
| <TABLE ROW> |
46 |
| Traffic coordinator: |
46 |
| Phone Number: |
46 |
| <TABLE ROW> |
46 |
| HP information |
46 |
| <TABLE ROW> |
46 |
| Sales representative |
46 |
| Order Number: |
46 |
| <TABLE ROW> |
46 |
| Representative making survey |
46 |
| Date: |
46 |
| <TABLE ROW> |
46 |
| Scheduled delivery date |
46 |
| <TABLE> |
46 |
| Table26 Site Inspection Checklist |
46 |
| <TABLE HEADING> |
46 |
| <TABLE ROW> |
46 |
| Please check either Yes or No. If No, include comment number or date |
46 |
| Comment or Date |
46 |
| <TABLE BODY> |
46 |
| <TABLE ROW> |
46 |
| Computer room |
46 |
| <TABLE ROW> |
46 |
| Number |
46 |
| Area or condition |
46 |
| Yes |
46 |
| No |
46 |
| <TABLE ROW> |
46 |
| 1. |
46 |
| Is there a completed floor plan? |
46 |
| <TABLE ROW> |
46 |
| 2. |
46 |
| Is there adequate space for maintenance needs? Front 36 in. (91.4 cm) minimum, rear 36 in. (91.4 ... |
46 |
| <TABLE ROW> |
46 |
| 3. |
46 |
| Is access to the site or computer room restricted? |
46 |
| <TABLE ROW> |
46 |
| 4. |
46 |
| Is the computer room structurally complete? Expected date of completion? |
46 |
| <TABLE ROW> |
46 |
| 5. |
46 |
| Is a raised floor installed and in good condition? |
46 |
| <TABLE ROW> |
46 |
| 6. |
46 |
| 6. |
46 |
| Is the raised floor adequate for equipment loading? |
46 |
| Is the raised floor adequate for equipment loading? |
46 |
| <TABLE ROW> |
47 |
| 7. |
47 |
| Are there channels or cutouts for cable routing? |
47 |
| <TABLE ROW> |
47 |
| 8. |
47 |
| Is there a network line available? |
47 |
| <TABLE ROW> |
47 |
| 9. |
47 |
| Is a telephone line available? |
47 |
| <TABLE ROW> |
47 |
| 10. |
47 |
| Are customer supplied peripheral cables and LAN cables available and of the proper type? |
47 |
| <TABLE ROW> |
47 |
| 11. |
47 |
| 11. |
47 |
| Are floor tiles in good condition and properly braced? |
47 |
| Are floor tiles in good condition and properly braced? |
47 |
| <TABLE ROW> |
47 |
| 12. |
47 |
| 12. |
47 |
| Is floor tile underside shiny or painted? If painted, judge the need for particulate test. |
47 |
| Is floor tile underside shiny or painted? If painted, judge the need for particulate test. |
47 |
| <TABLE ROW> |
47 |
| Power and lighting |
47 |
| <TABLE ROW> |
47 |
| Number |
47 |
| Area or condition |
47 |
| Yes |
47 |
| No |
47 |
| <TABLE ROW> |
47 |
| 13. |
47 |
| Are lighting levels adequate for maintenance? |
47 |
| <TABLE ROW> |
47 |
| 14. |
47 |
| Are there AC outlets available for servicing needs? (for example, laptop) |
47 |
| <TABLE ROW> |
47 |
| 15. |
47 |
| Does the input voltage correspond to equipment specifications? |
47 |
| <TABLE ROW> |
47 |
| 15A |
47 |
| 15A |
47 |
| Is dual source power used? If so, identify types and evaluate grounding. |
47 |
| Is dual source power used? If so, identify types and evaluate grounding. |
47 |
| <TABLE ROW> |
47 |
| 16 |
47 |
| Does the input frequency correspond to equipment specifications? |
47 |
| <TABLE ROW> |
47 |
| 17. |
47 |
| Are lightning arrestors installed inside the building? |
47 |
| <TABLE ROW> |
47 |
| 18. |
47 |
| Is power conditioning equipment installed? |
47 |
| <TABLE ROW> |
47 |
| 19. |
47 |
| Is there a dedicated branch circuit for equipment? |
47 |
| <TABLE ROW> |
47 |
| 20. |
47 |
| Is the dedicated branch circuit less than 75 feet (22.86 meters)? |
47 |
| <TABLE ROW> |
47 |
| 21. |
47 |
| Are the input circuit breakers adequate for equipment loads? |
47 |
| <TABLE ROW> |
47 |
| Safety |
47 |
| <TABLE ROW> |
47 |
| Number |
47 |
| Area or condition |
47 |
| Yes |
47 |
| No |
47 |
| <TABLE ROW> |
47 |
| 22. |
47 |
| Is there an emergency power shutoff switch? |
47 |
| <TABLE ROW> |
47 |
| 23. |
47 |
| Is there a telephone available for emergency purposes? |
47 |
| <TABLE ROW> |
48 |
| 24. |
48 |
| Is there a fire protection system in the computer room? |
48 |
| <TABLE ROW> |
48 |
| 25. |
48 |
| Is antistatic flooring installed? |
48 |
| <TABLE ROW> |
48 |
| 26. |
48 |
| Are there any equipment servicing hazards (loose ground wires, poor lighting, and so on)? |
48 |
| <TABLE ROW> |
48 |
| Cooling |
48 |
| <TABLE ROW> |
48 |
| Number |
48 |
| Area or condition |
48 |
| Yes |
48 |
| No |
48 |
| <TABLE ROW> |
48 |
| 27. |
48 |
| Can cooling be maintained between 5°C and 35°C (up to 5000 ft)? Derate 1 °C/1000 ft above 5000 ft... |
48 |
| <TABLE ROW> |
48 |
| 28. |
48 |
| Can temperature changes be held to 5 °C per hour with tape media? Can temperature changes be held... |
48 |
| <TABLE ROW> |
48 |
| 29. |
48 |
| Can humidity level be maintained at 40% to 55% at 35 °C noncondensing? |
48 |
| <TABLE ROW> |
48 |
| 30. |
48 |
| Are air-conditioning filters installed and clean? |
48 |
| <TABLE ROW> |
48 |
| Storage |
48 |
| <TABLE ROW> |
48 |
| Number |
48 |
| Area or condition |
48 |
| Yes |
48 |
| No |
48 |
| <TABLE ROW> |
48 |
| 31. |
48 |
| Are cabinets available for tape and disc media? |
48 |
| <TABLE ROW> |
48 |
| 32. |
48 |
| Is shelving available for documentation? |
48 |
| <TABLE ROW> |
48 |
| Training |
48 |
| <TABLE ROW> |
48 |
| Number |
48 |
| Number |
48 |
| Area or condition |
48 |
| <TABLE ROW> |
48 |
| 33 |
48 |
| 33 |
48 |
| Are personnel enrolled in the System Administrator’s Course? |
48 |
| <TABLE ROW> |
48 |
| 34 |
48 |
| 34 |
48 |
| Is on-site training required? |
48 |
| Delivery Survey |
49 |
| Delivery Survey |
49 |
| The delivery survey forms list delivery or installation requirements. If any of the items on the ... |
49 |
| Special instructions or recommendations should be entered on the special instructions or recommen... |
49 |
| • Packaging restrictions at the facility, such as size and weight limitations |
49 |
| • Packaging restrictions at the facility, such as size and weight limitations |
49 |
| • Packaging restrictions at the facility, such as size and weight limitations |
49 |
| • Special delivery procedures |
49 |
| • Special delivery procedures |
49 |
| • Special equipment required for installation, such as tracking or hoists |
49 |
| • Special equipment required for installation, such as tracking or hoists |
49 |
| • What time the facility is available for installation (after the equipment is unloaded) |
49 |
| • What time the facility is available for installation (after the equipment is unloaded) |
49 |
| • Special security requirements applicable to the facility, such as security clearance |
50 |
| • Special security requirements applicable to the facility, such as security clearance |
50 |
| Figure213 Delivery Survey (Part 1) |
50 |
| Figure213 Delivery Survey (Part 1) |
50 |
| <GRAPHIC> |
51 |
| Figure214 Delivery Survey (Part 2) |
51 |
| <GRAPHIC> |
53 |
| Site Preparation Glossary |
53 |
| A-B |
53 |
| A-B |
53 |
| Apparent power |
53 |
| Apparent power |
53 |
| A value of power for AC circuits that is calculated as the product of RMS current times RMS volta... |
53 |
| A value of power for AC circuits that is calculated as the product of RMS current times RMS volta... |
53 |
| ASHRAE Standard 52-76 |
53 |
| ASHRAE Standard 52-76 |
53 |
| Industry-standard term for air filtration efficiency set forth by the American Society of Heating... |
53 |
| Industry-standard term for air filtration efficiency set forth by the American Society of Heating... |
53 |
| ASL |
53 |
| ASL |
53 |
| Above sea level. |
53 |
| Above sea level. |
53 |
| board |
53 |
| board |
53 |
| A printed circuit assembly (PCA). Also called a card or adapter. |
53 |
| A printed circuit assembly (PCA). Also called a card or adapter. |
53 |
| Btu/h |
53 |
| Btu/h |
53 |
| British thermal units. The amount of heat required to raise one pound of water 1° F/hr, a common ... |
53 |
| British thermal units. The amount of heat required to raise one pound of water 1° F/hr, a common ... |
53 |
| C |
53 |
| C |
53 |
| CompactPCI |
53 |
| CompactPCI |
53 |
| The newest specification for PCI-based industrial computers is called CompactPCI. It is electrica... |
53 |
| The newest specification for PCI-based industrial computers is called CompactPCI. It is electrica... |
53 |
| CFM |
53 |
| CFM |
53 |
| Cubic feet per minute, commonly used to measure the rate of air flow in an air-conditioning system. |
53 |
| Cubic feet per minute, commonly used to measure the rate of air flow in an air-conditioning system. |
53 |
| Chilled water system |
53 |
| Chilled water system |
53 |
| A type of air-conditioning system that has no refrigerant in the unit itself. The refrigerant is ... |
53 |
| A type of air-conditioning system that has no refrigerant in the unit itself. The refrigerant is ... |
53 |
| D-K |
53 |
| D-K |
53 |
| Dehumidification |
53 |
| Dehumidification |
53 |
| The process of removing moisture from the air within a critical space. |
53 |
| The process of removing moisture from the air within a critical space. |
53 |
| Derate |
53 |
| Derate |
53 |
| To lower the rated capability of an electrical or mechanical apparatus. |
53 |
| To lower the rated capability of an electrical or mechanical apparatus. |
53 |
| Downflow |
53 |
| Downflow |
53 |
| Refers to a type of air-conditioning system that discharges air downward, directly beneath a rais... |
53 |
| Refers to a type of air-conditioning system that discharges air downward, directly beneath a rais... |
53 |
| EIA unit |
53 |
| EIA unit |
53 |
| The Electronic Industries Association (EIA) defines this unit of measurement to be 1.75 in. in he... |
53 |
| The Electronic Industries Association (EIA) defines this unit of measurement to be 1.75 in. in he... |
53 |
| Humidification |
53 |
| Humidification |
53 |
| The process of adding moisture to the air within a critical space. |
53 |
| The process of adding moisture to the air within a critical space. |
53 |
| Inrush current |
53 |
| Inrush current |
53 |
| The peak current flowing into a power supply the instant AC power is applied. This peak is usuall... |
53 |
| The peak current flowing into a power supply the instant AC power is applied. This peak is usuall... |
53 |
| KVA |
53 |
| KVA |
53 |
| Kilovolt-amperes. (1000 x volt-amperes) |
53 |
| Kilovolt-amperes. (1000 x volt-amperes) |
53 |
| L-N |
54 |
| L-N |
54 |
| Latent cooling capacity |
54 |
| Latent cooling capacity |
54 |
| The capability of an air-conditioning system to remove heat from the air. |
54 |
| The capability of an air-conditioning system to remove heat from the air. |
54 |
| Leakage current |
54 |
| Leakage current |
54 |
| A term relating to current flowing between the AC supply wires and earth ground. The term does no... |
54 |
| A term relating to current flowing between the AC supply wires and earth ground. The term does no... |
54 |
| Maximum input current |
54 |
| Maximum input current |
54 |
| The operating current of the product equal to the maximum load divided by the minimum input voltage. |
54 |
| The operating current of the product equal to the maximum load divided by the minimum input voltage. |
54 |
| NEBS |
54 |
| NEBS |
54 |
| All electronic equipment has the potential to interfere with other electronic equipment. Interfer... |
54 |
| All electronic equipment has the potential to interfere with other electronic equipment. Interfer... |
54 |
| O-R |
54 |
| O-R |
54 |
| PCA |
54 |
| PCA |
54 |
| Printed Circuit Assembly; also referred to as a printed circuit board (PCB). |
54 |
| Printed Circuit Assembly; also referred to as a printed circuit board (PCB). |
54 |
| PCI |
54 |
| PCI |
54 |
| Currently, the most popular local I/O bus, the Peripheral Component Interconnect (PCI) bus was de... |
54 |
| Currently, the most popular local I/O bus, the Peripheral Component Interconnect (PCI) bus was de... |
54 |
| PICMG |
54 |
| PICMG |
54 |
| A consortium of companies involved in utilizing PCI for embedded applications. The PCI Industrial... |
54 |
| A consortium of companies involved in utilizing PCI for embedded applications. The PCI Industrial... |
54 |
| Power factor |
54 |
| Power factor |
54 |
| The ratio of true power to apparent power in an AC circuit. In power conversion technology, power... |
54 |
| The ratio of true power to apparent power in an AC circuit. In power conversion technology, power... |
54 |
| RMS |
54 |
| RMS |
54 |
| Root-mean-square. Term that refers to the most common mathematical method of defining the effecti... |
54 |
| Root-mean-square. Term that refers to the most common mathematical method of defining the effecti... |
54 |
| S-T |
54 |
| S-T |
54 |
| Theoretical maximum power consumption |
54 |
| Theoretical maximum power consumption |
54 |
| Maximum wattage of a given configuration, assuming worst-case conditions (thermal tolerances, wor... |
54 |
| Maximum wattage of a given configuration, assuming worst-case conditions (thermal tolerances, wor... |
54 |
| Tonnage |
54 |
| Tonnage |
54 |
| The unit of measure used in air-conditioning to describe the heating or cooling capacity of a sys... |
54 |
| The unit of measure used in air-conditioning to describe the heating or cooling capacity of a sys... |
54 |
| True power |
55 |
| True power |
55 |
| In an AC circuit, true power is the actual power consumed. It is distinguished from apparent powe... |
55 |
| In an AC circuit, true power is the actual power consumed. It is distinguished from apparent powe... |
55 |
| Typical input current |
55 |
| Typical input current |
55 |
| The operating current of the product measured using a typical load and target voltage. |
55 |
| The operating current of the product measured using a typical load and target voltage. |
55 |
| Typical power consumption |
55 |
| Typical power consumption |
55 |
| Represents the expected power consumption of a given configuration. The typical value is the appr... |
55 |
| Represents the expected power consumption of a given configuration. The typical value is the appr... |
55 |
| U-Z |
55 |
| U-Z |
55 |
| Vapor seal |
55 |
| Vapor seal |
55 |
| A vapor seal is an essential part of preventing moisture infiltration into or migration out of a ... |
55 |
| A vapor seal is an essential part of preventing moisture infiltration into or migration out of a ... |
55 |
| Watt |
55 |
| Watt |
55 |
| A unit of electricity consumption representing the product of amperage and voltage. When the powe... |
55 |
| A unit of electricity consumption representing the product of amperage and voltage. When the powe... |
55 |
| A Templates |
57 |
| A Templates |
57 |
| This appendix contains blank floor plan grids and equipment templates. Combine the necessary numb... |
57 |
| This appendix contains blank floor plan grids and equipment templates. Combine the necessary numb... |
57 |
| Figure A1 on page52 |
58 |
| Figure A1 on page52 |
58 |
| FigureA1 HP Integrity rx8620 Server Space Requirements |
58 |
| FigureA1 HP Integrity rx8620 Server Space Requirements |
58 |
| <GRAPHIC> |
59 |
| Equipment Footprint Templates |
59 |
| Equipment footprint templates are drawn to the same scale as the floor plan grid (1/4 inch = 1 fo... |
59 |
| The service areas shown on the template drawings are lightly shaded. |
59 |
| The equipment templates should be used with the floor plan grid to define the location of the equ... |
59 |
| NOTE Photocopying typically changes the scale of drawings copied. If any templates are copied, th... |
59 |
| NOTE Photocopying typically changes the scale of drawings copied. If any templates are copied, th... |
59 |
| Computer Room Layout Plan |
60 |
| Computer Room Layout Plan |
60 |
| Use the following procedure to create a computer room layout plan: |
60 |
| Step 1. Remove several copies of the floor plan grid. |
60 |
| Step 1. Remove several copies of the floor plan grid. |
60 |
| Step 1. Remove several copies of the floor plan grid. |
60 |
| Step 2. Cut and join them together (as necessary) to create a scale model floor plan of your co... |
60 |
| Step 2. Cut and join them together (as necessary) to create a scale model floor plan of your co... |
60 |
| Step 3. Remove a copy of each applicable equipment footprint template. |
60 |
| Step 3. Remove a copy of each applicable equipment footprint template. |
60 |
| Step 4. Cut out each template selected in step 3; then place it on the floor plan grid created ... |
60 |
| Step 4. Cut out each template selected in step 3; then place it on the floor plan grid created ... |
60 |
| Step 5. Position pieces until the desired layout is obtained; then fasten the pieces to the gri... |
60 |
| Step 5. Position pieces until the desired layout is obtained; then fasten the pieces to the gri... |
60 |
| NOTE Attach a reduced copy of the completed floor plan to the site survey. See |
61 |
| NOTE Attach a reduced copy of the completed floor plan to the site survey. See |
61 |
| FigureA2 HP Integrity rx8620 Server Cabinet Template |
61 |
| FigureA2 HP Integrity rx8620 Server Cabinet Template |
61 |
| <GRAPHIC> |
62 |
| FigureA3 Planning Grid |
62 |
| <GRAPHIC> |
63 |
| FigureA4 Planning Grid |
63 |
| <GRAPHIC> |
64 |
| FigureA5 Planning Grid |
64 |
| <GRAPHIC> |
65 |
| FigureA6 Planning Grid |
65 |
| <GRAPHIC> |
66 |
| FigureA7 Planning Grid |
66 |
| <GRAPHIC> |
67 |
| A |
67 |
| B |
67 |
| C |
67 |
| D |
67 |
| E |
67 |
| F |
67 |
| G |
67 |
| H |
67 |
| L |
67 |
| M |
67 |
| N |
67 |
| O |
67 |
| P |
67 |
| R |
68 |
| S |
68 |
| T |
68 |
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