LECTRO 36VDC Manuale utente

CPR

Series Broadband Power Supply

36VDC and 48VDC Technical Manual

Effective: March, 2004

Power

Alpha Technologies.

Protecting The Power in Communications.

NOTE: Photographs contained in this manual are for illustrative purposes only. These

photographs may not exactly match your installation.

NOTE: Review the drawings and illustrations contained in this manual before

proceeding. If there are questions regarding the safe operation of this powering

system, please contact Alpha Technologies or your nearest Alpha

representative.

NOTE: Alpha denies responsibility for any damage or injury involving its enclosures,

power supplies, generators, batteries, or other hardware when used for an

unintended purpose, installed or operated in an unapproved manner, or

improperly maintained.

CPR

Series Broadband Power Supply Technical Manual

Effective: March, 2004

Contacting Alpha Technologies:

For general product information and customer service

1-800-863-3930

(7:00 AM to 5:00 PM Pacific Time )

For complete technical support

1-800-863-3364

(7:00 AM to 5:00 PM Pacific Time, or 24/7 emergency support)

EC DECLARATION OF CONFORMITY

Units that are labeled with a CE mark comply with the following EU directives:

73/23/EEC Council Directive on equipment designed for use within certain voltage limits.

93/68/EEC Amending Directive 72/23/EEC.

89/336/EEC Council Directive relating to electromagnetic compatibility.

The EC Declaration of conformity is available upon request for products with a CE mark. For copies of

the EC Declaration of Conformity, contact Alpha Technologies.

Preface

745-573-B0-001 REV. A

Contents

Important Safety Instructions...................................................................................................................... 6

General Safety Precautions ....................................................................................................................... 7

Battery Safety Notes .................................................................................................................................. 9

Battery Maintenance Guidelines .............................................................................................................. 10

Recycling and Disposal Instructions..........................................................................................................11

Electrical Safety.........................................................................................................................................11

Mechanical Safety.................................................................................................................................... 12

1.0 Overview

1.1 Introduction..................................................................................................................................... 13

1.2 Cabinet Nomenclature.................................................................................................................... 14

2.0 Cabinet Installation

2.1 Pole Mounting................................................................................................................................. 16

2.2 Ground Mounting............................................................................................................................ 18

2.3 Enclosure Grounding...................................................................................................................... 20

2.4 Electrical Connections .................................................................................................................... 21

3.0 Power Supply Installation

3.1 CPR™ Module Installation and Connection ................................................................................... 22

3.2 Battery Installation and Connection ................................................................................................ 25

3.2.1 48V Battery Installation Procedure ........................................................................................26

3.2.2 36V Battery Installation Procedure ........................................................................................27

3.2.3 Connecting an Additional 48V Battery String ......................................................................... 28

3.2.4 Connecting an Additional 36V Battery String ......................................................................... 28

3.2.5 Removing Batteries ............................................................................................................... 30

3.3 Operation........................................................................................................................................ 33

3.4 Maintenance ................................................................................................................................... 35

3.4.1 Routine Maintenance Checks................................................................................................35

3.4.2 CPR™ Power Supply Maintenance Log Sheet ..................................................................... 36

3.4.3 Battery Storage ...................................................................................................................... 37

3.4.4 Proper Usage ........................................................................................................................ 37

3.4.5 Periodic Maintenance ............................................................................................................ 37

4.0 Troubleshooting

4.1 Troubleshooting Guide Part 1......................................................................................................... 38

4.2 Troubleshooting Guide Part 2......................................................................................................... 39

5.0 Status Monitoring

5.1 Installation ...................................................................................................................................... 40

5.2 Operation........................................................................................................................................ 41

5.3 Maintenance ................................................................................................................................... 42

6.0 Specifications

6.1 Electrical, Mechanical Specifications .............................................................................................. 43

Preface

745-573-B0-001 REV. A

Figures & Tables

1.0 Overview

Fig. 1-1, Ground Mount (Front View of 4 battery cabinet with ground skirt)................14

Fig. 1-2, Pole Mount (Front View of 8 battery cabinet)................................................14

Fig. 1-3, Pole Mount (Rear View of cabinet) ...............................................................15

Fig. 1-4, Typical Placement of Disconnect Breaker on rear of Cabinet.......................15

Fig. 1-5, Coax “Feed Thru” Adapter Normal Location (Bottom Shelf) .........................15

2.0 Cabinet Installation

Fig. 2-1, Pole Mount Installation..................................................................................16

Fig. 2-2, Pad Dimensions............................................................................................19

Fig. 2-3, Enclosure Grounding ....................................................................................20

3.0 Power Supply

Fig. 3-1, Front panel layout (all models)......................................................................22

Fig. 3-2, Connection points for 60Hz, 15A units..........................................................24

Fig. 3-3, Connection points for 50Hz units ..................................................................24

Fig. 3-4, Connection points for 60Hz, 24A units..........................................................24

Fig. 3-5, 48V Battery Connections – Single String ......................................................26

Fig. 3-6, 36V Battery Connections – Single String ......................................................27

Fig. 3-7, 48V Battery Connections – Parallel Strings ..................................................28

Fig. 3-8, 36V Battery Connections – Parallel Strings ..................................................29

Fig. 3-9, 48V Parallel Battery Sense Wiring................................................................30

Fig. 3-10, 36V Parallel Battery Sense Wiring................................................................31

Fig. 3-11, 36V Single Battery Sense Wiring..................................................................32

Fig. 3-12, Front Panel Display ......................................................................................33

Fig. 3-13, Maintenance Log Sheet................................................................................36

4.0 Troubleshooting

Table 4-1, Troubleshooting guide, Part 1.......................................................................38

Table 4-2, Troubleshooting guide, Part 2.......................................................................39

5.0 Status Monitoring

Fig. 5-1, CPRBattery Removal

6.0 Specifications

Table 6-1, Specifications................................................................................................43

Table 6-2, Specifications................................................................................................44

Preface

745-573-B0-001 REV. A

NOTE: Alpha Technologies’ products are subject to change through continual improvement

processes. Therefore, specifications and/or design layouts may vary slightly from

descriptions included in this manual. Updates to the manual will be issued when

changes affect form, fit or function.

Reviewthe drawingsand illustrationscontainedin thismanual beforeproceeding.Ifthereareanyquestions

regarding the safe installation or operation of the system, contact Alpha Technologies or the nearest

Alpha representative. Save this document for future reference.

To reduce the risk of injury or death caused by electrical shock, explosion of fuel or moving parts; and to

ensure the continued safe operation of this product, the following symbols have been placed throughout

this manual. Where these symbols appear, use extra care and attention.

DANGEROUS VOLTAGE

This symbol indicates a “dangerous voltage” may exist in this area of the product. Use caution

whenever working in the area to prevent electrical shock.

INHALATION HAZARD - DON’T BREATHE VAPORS

This symbol indicates an “inhalation hazard” may exist in this area of the product. Use caution

wheneverworkingin theareato preventpossibleinhalation of harmful (fuel or exhaust) vapors.

NO MATCHES OR OPEN FLAMES

This symbol indicates a “fire or explosive hazard” may exist in this area of the product. Use

caution whenever working in the area to prevent possible combustion of fuel vapors.

MECHANICAL OR MOVING PARTS HAZARD

These symbols indicate a “mechanical or moving parts hazard” may exist in this area of the

product. Use caution whenever working in the area to prevent possible injury to the operator or

service personnel.

LEAK HAZARD

Thissymbol indicates a “leak hazard” may exist in this area of the product.Usecautionwhenever

working in this area to prevent and correct any leaks detected.

ATTENTION

This symbol indicates important installation, operation or maintenance instructions. Always

follow these instructions closely.

Contained In This Manual.

Read This Manual Before Proceeding!

Important Safety Instructions

Preface

745-573-B0-001 REV. A

A “Warning” identifies conditions and actions that pose a hazard to the user.

A “Caution” identifies conditions and actions that may damage the power supply or associated

equipment.

Warnings

NOTE: This enclosure and its associated hardware (power supply, batteries,

cabling) may contain equipment, batteries or parts which have accessible

hazardous voltage or currents.

To avoid injury:

• This enclosure and its associated hardware must be serviced by authorized personnel only.

• Enclosure must remain locked at all times, except when authorized service personnel are

present.

• Remove all conductive jewelry or personal equipment prior to servicing equipment, parts,

connectors,wiring, or batteries.

• Read and follow all installation, equipment grounding, usage, and service instructions

included in this manual.

• Use proper lifting techniques whenever handling enclosure, equipment, parts, or batteries.

• Batteries contain dangerous voltages, currents and corrosive material. Battery installation,

maintenance, service and replacement must be performed by authorized personnel only.

• Never use uninsulated tools or other conductive materials when installing, maintaining,

servicing or replacing batteries.

• Use special caution when connecting or adjusting battery cabling. An improperly connected

battery cable or an unconnected battery cable can result in arcing, a fire, or possible

explosion.

• A battery that shows signs of cracking, leaking or swelling must be replaced immediately by

authorized personnel using a battery of identical type and rating.

• Avoid any contact with gelled or liquid emissions from a valve-regulated lead-acid (VRLA)

battery. Emissions contain dilute sulfuric acid which is harmful to the skin and eyes.

Emissions are electrolytic, which are electrically conductive and are corrosive. Follow the

Chemical Hazards notes if contact occurs.

• Do not smoke or introduce sparks in the vicinity of a battery.

• Under certain overcharging conditions, lead-acid batteries can vent a mixture of hydrogen

gas which is explosive. Proper venting of the enclosure is required.

• Follow the battery manufacturer’s approved transportation and storage instructions.

General Safety Precautions

Preface

745-573-B0-001 REV. A

Cautions

NOTE: Enclosure, equipment or parts may be damaged or cause damage if used

or installed improperly.

To avoid damage:

•Prior to installation, verify that the AC input voltage to the enclosure and its equipment

match with respect to voltage and frequency.

•Prior to installation, verify that the output voltage from the enclosure or its equipment match

the voltage requirements of the connected equipment (load).

•Prior to installation, verify that the enclosure’s utility service panel is equipped with a

properly rated circuit breaker for use with the equipment inside. Refer to manufacturer’s

recommendations.

•Review and upgrade utility service panel circuit breaker requirements whenever the

equipment within the enclosure is changed.

•Prior to installation, contact local utilities, local building maintenance departments, and

cable/piping locator services to ensure that installation does not interfere with existing utility

or building cables/piping.

•Do not exceed the output rating of equipment. Verify load requirements prior and during

connection process.

•Prior to handling the batteries, touch a grounded metal object to dissipate any static charge

that may have developed on your body.

•Alpha Technologies is not responsible for unit damage due to enclosure or installation

temperatures which exceed the operating temperature of the product.

•The Lectro CPR UPS is a 36 or 48Vdc system designed for use with either a single or dual

string of three or four 12Vdc batteries. Please refer to Section 3 of this manual for more

details on proper battery installation, maintenance, storage, and replacement procedures

•Over current protection and disconnecting means for the AC output are to be supplied by the

electrical installer as required by local electrical codes.

•The operating temperature range for the Lectro CPR®UPS is –40°C to +55°C for air at the

intake of the CPR module.

•CPR UPS installations involving third-party cabinets, not supplied by Lectro or Alpha, require

adequate ventilation, airflow and spacing to ensure that the CPR®power supply operates

within a temperature range of -40°C to +55°C. Failure to provide an operating thermal

environment per published specifications will void the warranty.

General Safety Precautions

Preface

745-573-B0-001 REV. A

Lead-acid batteries contain dangerous voltages, currents and corrosive material. Battery installation,

maintenance, service and replacement must be performed by authorized personnel only.

Chemical Hazards

NOTE: Any gelled or liquid emissions from a valve-regulated lead-acid (VRLA) battery

contain dilute sulfuric acid, which is harmful to the skin and eyes.

Emissions are electrolytic, which are electrically conductive and corrosive.

To avoid injury:

• Servicing and connection of batteries shall be performed by, or under the direct supervision

of, personnel knowledgeable of batteries and the required safety precautions.

• Always wear eye protection, rubber gloves, and a protective vest when working near

batteries. Remove all metallic objects from hands and neck.

• Batteries produce explosive gases. Keep all open flames and sparks away from batteries.

• Use tools with insulated handles, do not rest any tools on top of batteries.

• Batteries contain or emit chemicals known to the State of California to cause cancer and

birth defects or other reproductive harm. Battery post terminals and related accessories

contain lead and lead compounds. Wash hands after handling. (California Proposition 65)

• Wear protective clothing (insulated gloves, eye protection, etc.) whenever installing,

maintaining, servicing, or replacing batteries.

• If any battery emission contacts the skin, wash immediately and thoroughly with water.

Follow your company’s approved chemical exposure procedures.

• If any battery emission contacts the eye, wash immediately and thoroughly with water for 10

minutes with pure water or a special neutralizing eye wash solution and seek immediate

medical attention. Follow your company’s approved chemical exposure procedures.

• Neutralize any spilled battery emission with the special solution contained in an approved

spill kit or with a solution of 1 lb. Bicarbonate of soda to 1 gallon of water. Report chemical

spill using your company’s spill reporting structure and seek medical attention if necessary.

• Always replace batteries with those of an identical type and rating. Never install old or

untested batteries.

• Do not charge batteries in a sealed container. Each individual battery should have at least

0.5 inches of space between it and all surrounding surfaces to allow for convection cooling.

• All battery compartments must have adequate ventilation to prevent an accumulation of

potentially dangerous gas.

Battery Safety Notes

Preface

745-573-B0-001 REV. A

The battery maintenance instructions listed below are for reference only. Battery manufacturer’s

instructions for transportation, installation, storage or maintenance take precedence over these

instructions.

yTo prevent damage, inspect batteries every 3 months for:

ySigns of battery cracking, leaking or swelling. The battery should be replaced

immediately by authorized personnel using a battery of the identical type and rating.

ySigns of battery cable damage. Battery cable should be replaced immediately by

Authorized Personnel using replacement parts specified by vendor.

yLoose battery connection hardware. Refer to battery manufacturer’s documentation for

the correct torque and connection hardware for the application.

yApply battery manufacturer’s specified antioxidant compound on all exposed

connections.

yVerify battery terminals and/or exposed connection hardware is not within 2 inches of a

conductive surface. Reposition batteries as necessary to maintain adequate clearance.

yClean up any electrolyte (battery emission) in accordance with all federal, state, and

local regulations or codes.

yProper venting of the enclosure is recommended. Follow the Battery Manufacturer’s

approved transportation and storage instructions.

yAlways replace batteries with those of an identical type and rating. Never install old or

untested batteries.

yDo not charge batteries in a sealed container. Each individual battery should have at

least 0.5 inches of space between it and all surrounding surfaces to allow for convection

cooling.

yAll battery compartments must have adequate ventilation to prevent an accumulation of

potentially dangerous gas.

yPrior to handling the batteries, touch a grounded metal object to dissipate any static

charge that may have developed on your body.

yNever use uninsulated tools or other conductive materials when installing, maintaining,

servicing or replacing batteries.

yUse special caution when connecting or adjusting battery cabling. An improperly

connected battery cable or an unconnected battery cable can make contact with an

unintended surface that can result in arcing, fire, or possible explosion.

yA battery showing signs of cracking, leaking, or swelling should be replaced immediately

by authorized personnel using a battery of identical type and rating.

yUnder extreme overcharging conditions, Lead-acid batteries can vent a mixture of

Hydrogen gas which is explosive.

Battery Safety Notes, continued

Battery Maintenance Guidelines

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