HP Performance Optimized Data Center (POD) 40c User Manual

HP Performance Optimized Datacenter 40c G2

Part Number: 695164-002

User Guide

Abstract

This guide is intended for the person who operates and maintains the HP Performance Optimized Datacenter 40c G2 (HP POD 40c G2).

August 2012 Edition: 2

© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth 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.

Confidential computer software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U.S. Government under vendor’s standard commercial license.

Microsoft® and Windows® are U.S. registered trademarks of Microsoft Corporation. Intel® Core™ is a trademark of Intel Corporation in the U.S. and other countries.

Overview ..................................................................................................................................... 6

Before you begin ....................................................................................................................................... 6

Operator safety ......................................................................................................................................... 6

Component safety ..................................................................................................................................... 6

Fire detection and suppression .................................................................................................................... 7

Environmental considerations ...................................................................................................................... 7

Component identification ............................................................................................................... 8

Structural component identification .............................................................................................................. 8

Parts and part number identification ................................................................................................... 8

Life safety component identification ............................................................................................................. 9

Electrical power component identification ................................................................................................... 11

Control cabinet component identification .................................................................................................... 14

HP POD 40c G2 racks ............................................................................................................................. 14

Life safety systems ....................................................................................................................... 16

Life safety overview ................................................................................................................................. 16

EPO system ............................................................................................................................................ 16

ECS touchscreen and EPO indicators ............................................................................................... 17

EPO modes ................................................................................................................................... 18

EPO accidental activation ............................................................................................................... 18

Battery backup during an EPO event ................................................................................................ 18

Fire protection system .............................................................................................................................. 18

Manual fire pulls ........................................................................................................................... 19

Fire alarm indicators ...................................................................................................................... 19

VESDA air sampling smoke detection system ..................................................................................... 19

(Optional) Fire suppression system ................................................................................................... 20

Emergency egress ................................................................................................................................... 21

Power, electrical, and controls ...................................................................................................... 22

Site electrical system ................................................................................................................................ 22

Power safety ........................................................................................................................................... 22

Grounding .................................................................................................................................... 22

Capacities .............................................................................................................................................. 24

HP POD 40c G2 capacity limitations ............................................................................................... 24

Electrical and mechanical cooling capacities .............................................................................................. 24

Power feeders ......................................................................................................................................... 24

Electrical panels ...................................................................................................................................... 25

Arc flash safety ............................................................................................................................. 26

Power distribution: Electrical busway system ..................................................................................... 26

Panel schedules ............................................................................................................................. 27

Wire color code ............................................................................................................................ 27

Control cabinet power components ............................................................................................................ 28

Electrical busways ................................................................................................................................... 28

Drop boxes ............................................................................................................................................ 30

Power configurations ............................................................................................................................... 31

Rack power ............................................................................................................................................ 31

Contents 3

HP POD 40c G2 lighting .......................................................................................................................... 31

Environmental control system ........................................................................................................ 33

Environmental control system overview ....................................................................................................... 33

Using the ECS ......................................................................................................................................... 33

Satellite control boxes .................................................................................................................... 34

Sensors ........................................................................................................................................ 34

Facility connections to ECS ....................................................................................................................... 36

Connecting to the ECS ................................................................................................................... 36

Managing the ECS from the HP POD 40c G2 ............................................................................................. 37

Configuring the ECS ...................................................................................................................... 37

Logging in remotely to the ECS ........................................................................................................ 39

Password protection ....................................................................................................................... 41

Navigating the ECS interface .......................................................................................................... 41

ECS alarms ............................................................................................................................................ 54

Safety and security alarms .............................................................................................................. 55

Cooling system ........................................................................................................................... 56

HP POD 40c G2 cooling system theory of operation .................................................................................... 56

Water supply temperature .............................................................................................................. 56

Water quality requirements and specifications .................................................................................. 57

Cooling system components ...................................................................................................................... 58

Fans ............................................................................................................................................ 59

Condensation management ...................................................................................................................... 60

Drains .......................................................................................................................................... 60

Leak detection ............................................................................................................................... 61

IT networking and communications ............................................................................................... 62

Networking ............................................................................................................................................ 62

Connection portals .................................................................................................................................. 62

Demarcation box .................................................................................................................................... 63

Fire box ................................................................................................................................................. 63

Optional components .................................................................................................................. 65

Fire protection system .............................................................................................................................. 65

Humidifier .............................................................................................................................................. 65

Controlled access .................................................................................................................................... 65

Power up procedure .................................................................................................................... 66

Standard HP POD 40c G2 power up procedure ......................................................................................... 66

Standard power up checklist ........................................................................................................... 66

Standard power up procedure ........................................................................................................ 66

Cold weather HP POD 40c G2 power up procedure ................................................................................... 67

Cold weather power up checklist ..................................................................................................... 68

Cold weather power up procedure .................................................................................................. 68

Power down procedure ............................................................................................................................ 70

Specifications ............................................................................................................................. 71

General HP POD 40c G2 specifications ..................................................................................................... 71

Electrical specifications .................................................................................................................. 71

Water specifications ...................................................................................................................... 72

Rack specifications .................................................................................................................................. 72

Thermal and air flow performance ............................................................................................................. 72

Environmental specifications ..................................................................................................................... 72

Maintenance .............................................................................................................................. 74

Contents 4

Periodic maintenance .............................................................................................................................. 74

Sample HP POD 40c G2 maintenance schedule.......................................................................................... 74

Contacting HP ............................................................................................................................ 75

Before you contact HP .............................................................................................................................. 75

HP contact information ................................................................................................................... 75

Regulatory compliance notices ..................................................................................................... 76

HP POD 40c G2 regulatory compliance ..................................................................................................... 76

Safety and NEC compliance ........................................................................................................... 76

Regulatory compliance identification numbers ............................................................................................. 77

Federal Communications Commission notice ............................................................................................... 77

Modifications .......................................................................................................................................... 77

Cables ................................................................................................................................................... 77

Canadian notice (Avis Canadien) .............................................................................................................. 77

Regulatory requirements for EXIT signs ....................................................................................................... 78

Glossary .................................................................................................................................... 79

Documentation feedback ............................................................................................................. 82

Index ......................................................................................................................................... 83

Contents 5

Overview

opening or working inside areas of the HP POD 40c G2 that are marked as

If the HP POD 40c G2 is shut down for an extended period of time, such as during

Before you begin

For more information on site requirements, specifications, power requirements, management requirements, and supported facility connections, see the HP Performance Optimized Datacenter 40c G2 Site Preparation and Requirements Guide.

The actual location of various components or included subsystems in your HP POD 40c G2 might vary from what is described in this document. For information specific to your HP POD 40c G2, see the drawings included in the Operations and Maintenance Manual for the HP Performance Optimized Datacenter 40c

Operator safety

G2.

The HP POD 40c G2 provides service access areas for periodic maintenance and service and is only to be used by owner-authorized personnel specifically trained in the maintenance and service of the HP POD 40c G2.

The HP POD 40c G2 is not a habitable structure suitable for long term personnel occupancy.

WARNING: To avoid the risk of personal injury or loss of life, all personnel must comply with PPE

requirements when hazardous voltage, per NFPA 70E in accordance with NEC (NA) and IEC (EMEA and APJ).

WARNING: To avoid the risk of personal injury, hearing protection must be worn at all times

when working inside the HP POD 40c G2.

WARNING: To avoid the risk of personal injury or damage to the equipment, do not insert

anything inside the electrical busways except the approved HP busway drop boxes.

The customer is responsible for completing any Environmental Health and Safety (EHS) evaluation of the HP POD 40c G2 or any attached structural component purchased through HP. The customer must complete an arc flash assessment of the HP POD 40c G2 and the associated electrical supply system for operation, maintenance, and so on.

Component safety

CAUTION:

routine maintenance, use desiccant units or materials to eliminate condensation within the HP POD 40c G2. Condensation causes damage to IT equipment and HP POD 40c G2 controls.

CAUTION: Electrostatic discharge might damage electronic components. Be sure that you are

properly grounded (earthed) by wearing approved grounding straps before beginning any installation procedure or repair.

Overview 6

CAUTION: If any racks contain empty RU space, use the HP POD 40c G2 filler panels to

maintain the efficiency of the HP POD 40c G2 thermal system. Filler panels are available from HP in 10-pack quantities (part number AQ682A) and 100-pack quantities (part number AS993A).

Fire detection and suppression

The fire suppression system, supplied as an optional component of the HP POD 40c G2, is a "Manufacturer Designed" system specifically for this HP product, in compliance with national standards.

The HP standard suppression system includes a Novec 1230 clean agent system. However, if the customer or local AHJ requires specific modifications or a replacement, HP can assist in these actions at the expense of the customer.

HP does not certify that the fire suppression system installed in the HP POD 40c G2 meets all local and jurisdictional requirements. The customer is responsible for the following actions as related to the fire suppression system:

• Verifying that the POD suppression system meets local codes, including specific local requirements for

initial and periodic inspections.

• Arranging for and receiving all required local permits, including initial commissioning as well as

standard and repair maintenance.

• Arranging for the connection of the agent tanks, refilling of tanks, and all system testing, including

pressure tests. All general maintenance of the suppression system must be completed by an authorized technician.

Additional local requirements are not covered as part of the option price or basic installation and deployment services, unless specifically included in an executed Statement of Work.

Environmental considerations

CAUTION: To maintain accurate environmental conditions and minimize condensation inside

the HP POD 40c G2, do not leave the HP POD 40c G2 doors open during operation.

Overview 7

Component identification

Structural component identification

The HP POD 40c G2 documentation frequently refers to the specific components of the HP POD 40c G2 as shown in the following figure and described in the following table.

Item Component Description

Heat exchanger access hatches Provides access to the overhead heat exchangers

Personnel access doors Provides access to the POD

Facility chilled water return Facilitates the return of chilled water to the POD

Facility chilled water supply Facilitates the supply of chilled water to the POD

Parts and part number identification

Review the contents of the HP POD 40c G2 to identify the following for each component:

• Model number—The model number is located on the door to the control panel inside the cold aisle of

the HP POD 40c G2, as shown in the following figure.

Component identification 8

• Regulatory compliance identification number—This product has been assigned a unique regulatory

model number and is located on the door to the control panel inside the cold aisle of the HP POD 40c G2, as shown in the following figure.

• CSC Safety Approval placard—Each HP POD 40c G2 has a CSC Safety Approval placard that includes

the model number, serial number, and proof load. The CSC Safety Approval placard is located on the cargo end of the HP POD 40c G2, as shown in the following figure.

Life safety component identification

Internal life safety components

Component identification 9

Top view shown

Item Component Description

1 2 3 4

*This is an optional component that might not be included.

Exit sign locations Indicates the location of an exit Fire strobe light Indicates a fire alarm condition within the HP POD 40c G2 EPO button Disconnects the HP POD 40c G2 from main power feeds Fire alarm manual pull* Enables manual initiation of the fire system, which includes

activating the interior and exterior fire strobe lights and the optional fire suppression system

Fire suppression abort button* Aborts the fire suppression system. A fire suppression abort

button is located next to each personnel door.

Exit sign locations The exit signs within the HP POD 40c G2 contain tritium. For information about the regulatory requirements

regarding the handling, transfer, and disposal of the signs, see "Regulatory requirements for EXIT signs (on page 78)."

Top view shown

External emergency status indicators The HP POD 40c G2 has one external fire strobe light that indicates a fire alarm condition.

Component identification 10

Top view shown

•

Electrical power component identification

Front view shown

Item Component Description

1 2

Fire box* Connection location for fire emergency and VESDAnet signals Demarcation box* Customer communication connection point for the following

components:

ECS Security Phone

415 Y/240 V 3-phase, 4-wire, 800 A electrical panel

Feed A power for critical IT loads (electrical busways) and house power

Component identification 11

Item Component Description

415 Y/240 V 3-phase, 4-wire, 800 A electrical panel

*The demarcation box and the fire box are communication data points that are provided on the POD by HP. Connecting these data points is the responsibility of the customer, unless an approved Statement of Work is initiated.

Feed B power for critical IT loads (electrical busways) and house power

External panel labels Front view shown

Callout Electrical safety label Description

2 3

Danger sign Provides a reminder to users that the electrical panels must be

accessed only by authorized personnel Disconnect label Provides the order for disconnecting all of the electrical panels Caution Cautions users about isolating power from the HP POD 40c

G2 Arc flash warning Provides a reminder to users of the danger of arc flash and

required PPE

Internal panel labels

Component identification 12

Front view shown

•

Item Electrical safety label Description

1 2

3 4

Input power Lists the input power information Panel schedule/circuit breaker

table Fuse type table Lists all fuse type and sizes Wire color code (on page 27) 415Y/240V color codes

Lists the layout and designation for all circuit breakers on the

panel

Purple/Brown—Phase A/L1 Purple/Orange—Phase B/L2 Purple/Yellow—Phase 3/L3 Purple/White—Neutral Green and yellow—Equipment ground

Component identification 13

Control cabinet component identification

•

Includes a battery backup system that provides backup power

Item Component Description

VESDA air sampling smoke detection unit VESDA power supply with battery backup

Fire alarm and suppression release control panel

An early warning laser scan smoke detection unit

Provides power to the VESDA and backup power to the VESDA during a utility power loss

Controls all fire systems within the HP POD 40c G2, including

the smoke detection system, fire suppression system, fire pulls, and so on

to the fire system during a utility power loss

8 9 —

Customer connection box Controls and organizes information monitored by the HP POD 40c

G2 security components

ECS relays and ECS modules Relays for the ECS control, ECS communications, I/O connections,

and terminal block connections

EPO controller board and house panel fuses

Dual power supplies with battery backup

Battery backup power supply Provides 24 V DC power to the PLC and ECS system 240/120 V transformer Provides house power to the convenience outlets PLC The computer that controls the ECS system (located on the inside

Connections for the EPO system and fuses for other house panel components

Provides 24 V DC power to the PLC, LED lighting, and ECS systems

door of the control cabinet)

HP POD 40c G2 racks

The HP POD 40c G2 contains a total of 20 IT racks.

Component identification 14

CAUTION: If any racks contain empty RU space, use the HP POD 40c G2 filler panels to

maintain the efficiency of the HP POD 40c G2 thermal system. Filler panels are available from HP in 10-pack quantities (part number AQ682A) and 100-pack quantities (part number AS993A).

For more information about racks and network cabling, see the HP Performance Optimized Datacenter Networking Guide.

Component identification 15

Life safety systems

Life safety overview

The HP POD 40c G2 has multiple life safety systems that all work together to protect the HP POD 40c G2 equipment and personnel. The following life safety systems are available on the HP POD 40c G2:

• EPO system (on page 16)

• VESDA air sampling smoke detection system (on page 19)

• (Optional) fire suppression system (on page 20)

• Emergency egress (on page 21)

• ECS connection to customer emergency systems

EPO system

If the HP POD 40c G2 must be shut down during an emergency, the EPO system automatically shuts off all power to the HP POD 40c G2 and activates the EPO indicator on the ECS panel door.

To ensure that all rack-mounted UPS devices are shut down during an EPO event, be sure that each rack-mounted UPS device is connected to the HP POD 40c G2 EPO system.

The EPO system can be activated two ways:

• Excessive high temperature in the hot aisle—The HP POD 40c G2 includes two thermisters. If both

thermisters reach 60ºC (140ºF), an EPO shutdown is triggered automatically. One thermister is located in zone 2 and one thermister is located in zone 5.

• Manual initiation—To manually trigger an EPO shutdown, press at least one of the EPO buttons. Both

EPO buttons are located on the POD interior. One button is located near the main exit and the second button is located near the emergency exit on the cargo end.

For the location of EPO buttons, see "Life safety component identification (on page 9)."

Life safety systems 16

The EPO system must be reset before you can power up and restart the HP POD 40c G2. To reset the EPO

•

system:

1. Verify that the key control for the EPO mode is in the Armed position.

2. Press the white EPO Reset button.

If you triggered the EPO system manually, you must reset the EPO button that you pressed to the Active position.

ECS touchscreen and EPO indicators

The ECS touchscreen and EPO indicators are located on the door to the control panel. The touchscreen enables you to easily configure the environmental parameters, access data, and monitor

environmental, life safety, and security conditions within the HP POD 40c G2. The EPO indicators provide EPO status. The EPO key control and EPO reset button enable you to adjust the

EPO system mode.

Item Component Indicator color Description

External EPO status

indicator

White—Normal operating mode Yellow—EPO cover open alarm or

EPO system operating in test mode

Indicates the operating status of the HP POD 40c G2

Red—EPO shutdown

Power on White Indicates the EPO power status

EPO shutdown Red Indicates an EPO shutdown or alarm

EPO armed White Indicates that the EPO system is armed and

EPO test mode Yellow Indicates that the EPO system is operating

EPO bypassed Green Indicates that the EPO functionality and

situation

operational

in test mode or that an EPO cover is open

shutdown is bypassed

Life safety systems 17

Item Component Indicator color Description

•

EPO mode Key control Enables you to select the EPO mode:

EPO reset White button Resets the EPO system when pressed

EPO modes

The EPO system has three operating modes:

• Armed—The EPO system is armed and operational.

• Test—The EPO system is in test mode and does not initiate during events that normally trigger an EPO.

• Bypass—The EPO system is non-operational and does not initiate during events that normally trigger an

EPO.

Armed Test Bypass

For more information, see "EPO modes (on page 18)."

EPO accidental activation

To help prevent accidentally pressing the EPO button and activating the EPO system, each EPO button is covered with a clear Lexan cover.

Battery backup during an EPO event

The following components are equipped with a UPS to ensure that service is not interrupted during a loss of power to the HP POD 40c G2:

• ECS system

• VESDA air sampling smoke detection system

• Optional fire suppression system

• Emergency lighting in the HP POD 40c G2

Fire protection system

Each HP POD 40c G2 is equipped with a fire alarm panel that is integrated with the fire detection system and the optional fire suppression system.

The fire system is designed as a stand-alone system, but can also interface with customer site fire alarm systems. Customer site connections are the responsibility of the customer. Consult with HP for connection locations.

The fire protection system includes:

• Manual fire pulls (on page 19)

• Fire alarm indicators (on page 19)

• VESDA air sampling smoke detection system (on page 19)

• (Optional) Fire suppression system (on page 20)

Life safety systems 18

The fire suppression abort button will not delay the release of the fire suppression

Manual fire pulls

The HP POD 40c G2 includes two fire pulls. One fire pull is located next to the personnel access door and the second fire pull is located next to the emergency exit.

Manually activating a fire pull does the following:

• Activates the POD fire alarm system horn and strobe lights

• Triggers a fire alarm signal to the BMS in the fire box (on page 63) and activates a 30-second delay

before releasing the fire suppression agent

IMPORTANT:

agent if a manual fire pull is initiated. All personnel should evacuate immediately.

Fire alarm indicators

Upon activation of a fire alarm within the HP POD 40c G2, the following alarms alert personnel:

• Strobe lights

o Internal—The HP POD 40c G2 includes one fire strobe light located in the cold aisle. o External—The HP POD 40c G2 includes one fire strobe light located at the standard personnel entry

door.

o Optional—There is an additional fire strobe light located in the cold aisle that can be connected to

the site fire alarm system at the expense of the customer.

• Audible horn—The HP POD 40c G2 includes two integrated horns. One horn is located on the internal

strobe light and the second horn is located on the optional strobe light.

• Alarm within the ECS—The ECS system notifies you of a fire alarm condition with an alarm alert on the

ECS screen.

VESDA air sampling smoke detection system

CAUTION: Excess dust within the HP POD 40c G2 can cause the VESDA smoke detector to

The VESDA system features a single zone laser scan early warning smoke detector to provide the earliest warning of a potential fire.

The orange VESDA conduits that run throughout the HP POD 40c G2 include inlets for smoke sampling. The VESDA uses a high-efficiency aspirator to continuously draw in air from the HP POD 40c G2 and circulate the air through a dual-stage filter:

• Stage 1—Dust and dirt are removed from the air sample.

trigger a fire alarm.

• Stage 2—Remaining contaminants in the air sample are removed with an ultra-fine filter.

After the air passes through the dual-stage filter, it enters a calibrated detection chamber where a laser scans the air sample for the presence of smoke. When the smoke concentration reaches the first setpoint, the VESDA system will send an alarm signal indicating that a fire might exist. When the smoke concentration reaches the second setpoint, the VESDA system indicates that a fire does exist in the HP POD 40c G2 and sends an activation signal to the fire suppression system.

Life safety systems 19

suppression system meets all local jurisdiction requirements. Compliance with local codes is your

Any additional local requirements are not covered as part of the option price or basic installation

IMPORTANT: The VESDA filter must be changed regularly to ensure accurate smoke detection

readings. For more information about changing the VESDA filters, see the HP Performance Optimized Datacenter 40c G2 Maintenance and Service Guide.

(Optional) Fire suppression system

CAUTION: The POD fire suppression system is manufacturer designed, engineered, and

installed to comply with national standards. However, HP does not certify that the installed fire

responsibility, and includes specific local requirements for initial and periodic inspections, certifications, and maintenance.

The fire suppression system contains conventional fire alarm control circuits and includes features required for single or dual-hazard suppression release applications, including a low-toxicity agent. In the event of fire suppression release, the suppression tanks must be refilled by a certified technician.

and deployment services, unless specifically included in an executed Statement of Work.

WARNING: Fire suppression agents include a pre-discharge warning and evacuating system. In

the event of a fire, all protected space must be evacuated as soon as possible.

IMPORTANT: The fire suppression abort buttons that are located next to each personnel door

can be pressed to interrupt the 30-second fire suppression agent release delay for an additional 30 seconds. This button interrupts the countdown, but does not reset the 30-second fire suppression agent release delay. The fire suppression agent release countdown will continue when the abort button is released until the time is exhausted and the fire suppression agent is released.

Fire system operator panel

The panel is configured by the manufacturer in accordance with the local fire marshal and fire code requirements.

The operator panel includes the following:

• Alarm status LED

• Trouble status LED

• Input status LED

• Output status LED

• Acknowledge button

• Alarm Silence button

• System Reset button

The fire system and panel are tested by the local certified fire system supplier and witnessed and certified by the local AHJ or fire marshal.

The fire system operator panel requires regular maintenance and service. For more information on the fire system operator panel component, see the Operation and Maintenance Manual for the HP Performance Optimized Datacenter 40c G2.

Life safety systems 20

Fire suppression sequence of operations

After the fire suppression system is activated by a VESDA signal or a manual fire pull, a 30-second countdown begins before the fire suppression agent is released to the HP POD 40c G2 interior through the fire system piping.

VESDA initiation Press the fire suppression abort button to interrupt the fire suppression release countdown for 30 seconds. The

abort button can be pressed multiple times to interrupt fire suppression release agent countdown for an additional 30 seconds until the 30-second fire suppression release countdown has been exhausted.

Press and hold the abort button to stop the immediate activation of the fire suppression system until the button is released. When the button is released, the 30-second delay will begin. The remaining fire suppression release agent countdown will continue after the 30-second delay until the time is exhausted.

Manual initiation The fire suppression abort button will not delay the release of the fire suppression agent if a manual fire pull

was activated. All personnel should immediately evacuate.

Emergency egress

The HP POD 40c G2 includes the following features for life safety egress on all access doors:

• Panic bar

• Door strikes

o Standard hardware—Door strikes o Optional hardware—Electric door strikes

Each personnel door includes a standard panic bar to ensure safe exit. The optional egress hardware included in the HP POD 40c G2 (including electric panic bars, electric strikes, and magnetic locks) are tied to the fire alarm to enable uninhibited egress in the event of an emergency.

Life safety systems 21

Power, electrical, and controls

requirements when opening or working inside areas of the HP POD 40c G2 that are marked as

Site electrical system

To ensure a complete and safe integration of the HP POD solution with your facility, HP requires that you complete the following actions for the installed electrical system prior to the installation of the HP POD solution:

• Short circuit analysis

• Arc flash study

• Circuit breaker coordination study

These actions must be performed for all associated parts of the electrical power train. The majority of the details and factors required to complete these studies are associated with the existing installed facility infrastructure.

CAUTION: Failure to complete these studies can cause serious issues with the electrical

integration of the POD into your electrical system.

Power safety

WARNING: To avoid the risk of personal injury or loss of life, all personnel must comply with PPE

Grounding

The HP POD 40c G2 must be properly grounded to the earth to ensure a common return path for electric current, limit the build-up of static electricity, and absorb an unlimited amount of current without changing its potential. To properly ground the HP POD 40c G2 to the earth, you must connect the POD to building steel, a ground rod, or a properly installed ground well that is connected to a building’s grounding system. The grounding electrode conductor connection point is located on the cold aisle side adjacent to the power cabinet.

hazardous voltage, per NFPA 70E in accordance with NEC (NA) and IEC (EMEA and APJ).

WARNING: To avoid the risk of personal injury or electric shock, the HP POD 40c G2 must be

properly grounded per NFPA 70 in accordance with NEC (NA) and IEC (EMEA and APJ).

Power, electrical, and controls 22

A certified electrician must test and verify that the HP POD 40c G2 is properly grounded.

Lightning protection

The HP POD 40c G2 structure and internal components are all bonded together. A common Grounding Electrode Conductor Connection point is provided. Proper bonding and grounding of the HP POD 40c G2 minimizes the effects of a lightning strike. A surge protection device is provided on the HP POD 40c G2 input connection to protect the HP POD 40c G2 electrical system from voltage transients. If your site is in an area that is subject to frequent lightning strikes, the HP POD 40c G2 must be protected in accordance with NFPA 70 (NA) and IEC (EMEA and APJ). HP recommends that you contact a certified lightning protection consultant.

Power, electrical, and controls 23

+ 52 hidden pages