Alpha PWE-6FT User Manual
PWE-6FT
Pole-mount Enclosure
Installation and Operation Manual
PWE-6FT
Effective: August, 2005
Alpha T echnologies
Alpha Technologies
Power
®
Installation and Operation
PWE-6FT
Pole-mount Enclosure
031-259-B0-001, Rev A
Effective Date: August, 2005
Copyright© 2005
Alpha Technologies, Inc.
member of the Group
Photographs contained in this manual are for illustrative purposes only . These photographs may not match your
installation.
TM
Operator is cautioned to 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 T echnologies or
your nearest Alpha represent ative.
Alpha shall not be held liable for any damage or injury involving its enclosures, power supplies, generators,
batteries, or other hardware if used or operated in any manner or subject to any condition not consistent with its
intended purpose, or is installed or operated in an unapproved manner, or improperly maint ained.
Contacting Alpha Technologies: www.alpha.com
OR
For general product information and customer service (7 AM to 5 PM, Pacific Time), call
1-800-863-3930,
For complete technical support, call
1-800-863-3364
7 AM to 5 PM, Pacific Time or 24/7 emergency support
3031-259-B0-001, Rev A
T able of Contents
Important Safety Instructions!................................................................................................. 6
1.0 Introduction to the PWE-6FT Enclosure .................................................................... 11
1.1 Specifications................................................................................................ 11
1.2 Optional Features .......................................................................................... 13
2.0 Installation ................................................................................................................ 15
2.1 Wooden Pole Installation ............................................................................... 15
2.2 Steel/Concrete Pole Inst allation...................................................................... 17
2.3 Pedestal and Enclosure Installation................................................................ 19
2.3.1 Pedestal-mount Considerations .......................................................... 19
2.3.2 Pedestal Installation ............................................................................ 20
2.3.3 Installing Enclosure on the Pedestal .................................................... 21
2.4 En closu re Grou nding ..................................................................................... 22
2.4.1 Enclosure Grounding for Pole-mount Configurations ........................... 22
2.4.2 Enclosure Grounding for Pedestal-mount Configurations..................... 23
2.5 Connecting the Utility Power .......................................................................... 24
2.5.1 Wiring the Utility Service ..................................................................... 24
2.5.2 Wiring From Duplex Receptacle to Service Disconnect....................... 25
2.5.3 Connecting Coaxial Cable .................................................................. 30
2.6 Battery Installation.......................................................................................... 32
2.6.1 Battery T erminal Assembly Procedure................................................. 32
2.6.2 Battery Installation Procedure.............................................................. 33
2.7 Power Supply Installation ............................................................................... 34
2.8 Cooling Fan Installation.................................................................................. 35
3.0 Pole-mount Enclosure Maintenance.......................................................................... 36
4 031-259-B0-001, Rev A
Figures and T ables
Fig. 1-1, PWE-6FT Views and Dimensions .......................................................11
Fig. 1-2, PWE Enclosure Lid Removal .............................................................. 12
Fig. 2-1, PWE Series Pole-mount Enclosures (Wooden Poles).........................16
Fig. 2-2, PWE Series Pole-mount Enclosures
(Concrete and Steel Poles) ................................................................. 18
Fig. 2-3, Bollard Post Placement.......................................................................19
Fig. 2-4, Pedestal Installation ............................................................................ 20
Fig. 2-5, PWE-6FT Enclosure Mounted to Pedestal .......................................... 21
Fig. 2-6, Enclosure Grounding for Pole-mount Configuration..............................22
Fig. 2-7, Enclosure Grounding for Pedestal-mount Configurations ..................... 23
T able 2-1, Service Entrance Circuit Breaker Requirements.................................. 24
Fig. 2-8, T ypical Service Entrance Wiring .......................................................... 25
Fig. 2-9, Typical Receptacle Wiring...................................................................26
Fig. 2-10, T ypical BQO (Breaker Quad Option) Receptacle Wiring......................27
Fig. 2-1 1, PWE Pole Mount, 240V AC UL Wiring (030-051-C7-A)........................ 28
Fig. 2-12, PWE Pole Mount, 240V AC CSA Wiring (030-051-C8-A) .................... 29
Fig. 2-13, T ypical Ring Lug Assembly for Front Terminal Batteries, Single Lug ..... 32
Fig. 2-14, In-line Fuse Installation........................................................................33
Fig. 2-15, Battery Wiring Diagram.......................................................................33
Fig. 2-16, Cooling Fan Kit Installed......................................................................35
5031-259-B0-001, Rev A
Important Safety Instructions!
Review the drawings and illustrations contained in this manual before proceeding. If there are any
questions regarding the safe installation or operation of the system, contact Alpha Technologies or the
nearest Alpha representative. Save this document for future reference.
T o 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.
Symbols in this Manual
The use of ATTENTION is only for specific regulatory/code requirements that may affect the placement of
equipment and installation procedures.
A NOTE gives readers addtional information to help them complete a specific task or procedure.
A CAUTION presents safety information to PREVENT DAMAGE TO ALPHA or CUSTOMER’S EQUIPMENT. A
CAUTION tells you how to correctly perform a procedure or action and what could happen if you fail to follow
the the instructions.
A WARNING presents safety information to PREVENT INJURY OR DEATH to the technician/user. A W ARNING
tells you how to take specific safety precautions and then explains what may happen if those precautions are
not followed.
6 031-259-B0-001, Rev A
Alpha T echnologies’ 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.
General Safety Precautions
This enclosure and its associated hardware (power supply , batteries, cabling) may contain equipment,
batteries or parts which have accessible hazardous voltage or currents.
T o avoid injury:
• This enclosure and its associated hardware must be serviced only by authorized personnel.
• 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.
7031-259-B0-001, Rev A
Enclosure, equipment or parts may be damaged or cause damage if used or installed improperly .
T o avoid damage:
• Prior to installation, verify that the AC input voltage to the enclosure and it s equipment match
withrespect 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 requirement s prior and during
connection process.
• Prior to handling the batteries, touch a grounded metal object to dissipate any static charge
thatmay have developed in your body .
Battery Safety Notes
Lead-acid batteries contain dangerous voltages, currents and corrosive material. Battery installation,
maintenance, service and replacement must be performed only by authorized personnel.
Chemical Hazards
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.
T o 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 S tate 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).
• If any battery emission contacts the skin, wash immediately and thoroughly with water. Follow
your company’s approved chemical exposure procedures.
8 031-259-B0-001, Rev A
Battery Safety Notes, cont.
• If any battery emission contacts the skin, wash immediately and thoroughly with water . 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 gal 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.
• Prior to handling the batteries, touch a grounded metal object to dissipate any static charge
that may have developed on your body .
• 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 make contact with an unintended surface
that can result in arcing, fire, or possible explosion.
• A battery showing signs of cracking, leaking, or swelling should be replaced immediately by
Authorized Personnel using a battery of identical type and rating.
• Under extreme overcharging conditions, Lead-acid batteries can vent a mixture of Hydrogen
gas which is explosive.
Battery Maintenance Guidelines
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.
• T o prevent damage, inspect batteries every 3 months for:
Signs of battery cracking, leaking or swelling. The battery should be replaced
immediately by authorized personnel using a battery of the identical type and rating.
Signs of battery cable damage. Battery cable should be replaced immediately by
Authorized Personnel using replacement parts specified by vendor .
Loose battery connection hardware. Refer to battery manufacturer’s documentation
for the correct torque and connection hardware for the application.
• Apply battery manufacturer’s specified antioxidant compound on all exposed connections.
• V erify battery terminals and/or exposed connection hardware is not within 2 inches of a
conductive surface. Reposition batteries as necessary to maintain adequate clearance.
• Clean up any electrolyte (battery emission) in accordance with all federal, state, and local
regulations or codes.
• Proper venting of the enclosure is recommended. Follow the Battery Manufacturer’s approved
transportation and storage instructions.
• Always replace batteries with those of an identical type and rating. Never install old or
untested batteries.
9031-259-B0-001, Rev A
Mechanical Safety
• Keep hands and tools clear of fans. Fans are thermostatically controlled and will turn on
automatically.
• Power supplies can reach extreme temperatures under load.
• Use caution around sheet metal components and sharp edges.
Electrical Safety
• Lethal voltages are present within the power supply and electrical boxes. Never assume that
an electrical connection or conductor is not energized. Check the circuit with a volt meter with
respect to the grounded portion of the enclosure (both AC and DC) prior to any installation or
removal procedure.
• Do not work alone under hazardous conditions.
• A licensed electrician is required to install permanently wired equipment.
• Input voltages can range up to 240 V AC. Ensure that utility power is disabled before beginning
installation or removal.
• Ensure no liquids or wet clothes contact internal components.
• Hazardous electrically live parts inside this unit are energized from batteries even when the AC
input power is disconnected from the Mini-Bay .
Recycling and Disposal Instructions
Spent or damaged batteries are considered environment ally unsafe. Always recycle used batteries
or dispose of the batteries in accordance with all federal, state and local regulations.
• 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.
10 031-259-B0-001, Rev A
1.0 Introduction to the PWE-6FT Enclosure
1.1 Specifications
The PWE-6FT enclosure accommodates six front-terminal batteries for broadband powering equipment
in pole-, wall-, or pedestal-mount configurations. The weight of the enclosure (empty) is 57 lbs (26kg).
4.26"
(10.9cm)
29.12"
(74cm)
11.14"
(28.3cm)
24.54"
(62.3cm)
12.78"
(32.5cm)
29.12"
(74cm)
27.46"
(69cm)
28.58"
(72.6cm)
27.76
(70.5cm)
18.0"
(45.7cm)
Fig. 1-1, PWE-6FT Views and Dimensions
11031-259-B0-001, Rev A
1.0 Introduction to the PWE-6FT Enclosure, continued
1.1 Specifications, continued
The PWE series of enclosures have removable lids to facilitate installation of internal
components within the enclosure. The following photos are only for illustrative purposes.
PWE Lid Removal
1. Pull Out
Note: Lid can be completely
removed by releasing the provided
wing nut .
2. Pull Up
Lid Retention Strap helps prevent
enclosure lid from damage while
servicing the system.
Fig. 1-2, PWE Enclosure Lid Removal
12 031-259-B0-001, Rev A
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