Larson Electronics EPLRL-50-16.4-HR-SWB Manuale utente

EPLRL-50-16.4-HR-SWB

Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com 1of 5

Explosion Proof LED Paint Spray Booth Light

3rd Gen - Class 1 Div 1 - Class 2 Div 1

Instruction Manual

Thank you for your purchase of the Larson Electronics EPLRL-50-16.4-HR-SWB.

WARNING:

READ CAREFULLY BEFORE INSTALLING FIXTURE. RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE.

CRITICAL SAFETY INSTRUCTIONS:

•INSTALLATION SHOULD ONLY BECONDUCTED BY A QUALIFIED ELECTRICIAN IN ACCORDANCE WITH NEC AND ANY

RELEVANT LOCAL BUILDING CODES.

•RISK OFFIRE OR ELECTRIC SHOCK. FIXTURE INSTALLATION REQUIRES KNOWLEDGE OF FIXTURE'S ELECTRICAL

SYSTEMS. IFNOTQUALIFIED, CONTACT A QUALIFIED ELECTRICIAN.

•BE CERTAIN ELECTRICAL POWER IS OFF BEFORE AND DURING INSTALLATION AND MAINTENANCE.

•MAKE SURE THE SUPPLY VOLTAGE IS THE SAME AS THE FIXTURE'S RATED VOLTAGE.

•TO PREVENT WIRING DAMAGE OR ABRASION, DO NOT EXPOSE WIRING TO EDGES OF SHEET METAL OR SHARP

OBJECTS. SUITABLE FOR DAMP LOCATIONS.

WARNING

TO AVOIDTHE RISKOF FIRE,EXPLOSION OR ELECTRIC SHOCK, THIS PRODUCT SHOULD BE INSTALLED,

INSPECTEDAND MAINTAINEDBY A QUALIFIED ELECTRICIANONLY, IN ACCORDANCEWITHALL

APPLICABLEELECTRICAL CODES.

TO AVOIDELECTRIC SHOCK:

•BE CERTAIN ELECTRICAL POWER IS OFF BEFORE AND DURING INSTALLATION AND MAINTENANCE.

•PRODUCT MUST BE CONNECTED TO A WIRING SYSTEM WITH AN EQUIPMENT-GROUNDING

CONDUCTOR.

TO AVOID EXPLOSION:

•MAKE SURE THE SUPPLY VOLTAGE IS WITHIN THE VOLTAGE RATING.

•ENSURE THE MARKED T RATING IS LESS THAN THE IGNITION TEMPERATURE OF THE HAZARDOUS

ATMOSPHERE.

•DO NOT OPERATE IN AMBIENT TEMPERATURES ABOVE THOSE INDICATED ON THE PRODUCT

NAMEPLATE.

•DO NOT OPERATE IF THE LENS, CORD, SEALS, HOUSING, RECEPTACLES, ETC. IS CRACKED OR

DAMAGED. IF SO, DISCONTINUE USE AND CONTACT MANUFACTURER FOR REPLACEMENT PARTS.

•ALL FASTENERS SHOULD BE PROPERLY SEATED.

WARNING:

USER SHOULD BE TRAINED IN THE PROPER USE AND MAINTENANCE OF THIS DEVICE. WHEN EXTENSION

CORD IS CONNECTED TO A POWER SOURCE IN HAZARDOUS AREA, PLUG AND MATCHING RECEPTACLE

MUST BE SUITABLE FOR HAZARDOUS LOCATION INVOLVED. IMPROPER USE OF THIS DEVICE, ASSOCIATED

PLUG, RECEPTACLE, AND CORD CAN LEAD TO SERIOUS INJURIES OR DEATH TO PERSONNEL.

PERIODIC INSPECTION OF THE RECEPTACLE AND CORD IS NECESSARY.

THE CORD MUST BE ROUTINELY CHECKED FOR CUTS, BREAKS, OR ANY SEVERE ABRASIONS, AND IF ANY

ARE FOUND, THE CORD MUST BE REPLACED BEFORE RESUMING USE OF THE UNIT.

ELECTRICAL POWER SUPPLY MUST BE “OFF” BEFORE AND DURING INSTALLATION AND MAINTENANCE.

INSTALLATION AND MAINTENANCE PROCEDURE MUST BE PERFORMED BY A TRAINED AND COMPETENT

ELECTRICIAN.

IF ANY PARTS OF THE RECEPTACLE OR PLUG APPEAR TO BE MISSING, BROKEN, OR SHOW SIGNS OR

DAMAGE, DISCONTINUE USE IMMEDIATELY. REPLACE WITH THE PROPER REPLACEMENT PART(S) BEFORE

CONTINUING SERVICE.

EPLRL-50-16.4-HR-SWB

Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com 2of 5

The Larson Electronics EPLRL-50-16.4-HR-SWB is an Explosion Proof Reel for use in Class I, II and III rated combustible

locations. Equipped with 50' of 16/4 SOOW cable, the unit features a swivel base with ball bearings which facilitates

rotation and pivoting. This reel is ideal for petroleum facilities, waste water treatment plants, grain storage and handling

silos, paint booths, underground mines, chemical plants, and much more.

WIRING

Standard pigtail(flying leads) wiring

We strongly encourage a licensed electrician install this product,in all locations especially in outdoor areas

where weatherproofing may be required. Universal voltage driver permits operation at 600V.

Warning: Check product label for correct input voltage!

Attach supply line wires to the appropriate light fixture wires as shown

in thediagram 

Secure each pair of wires according to the diagram. Utilize a junction box or

similar device and take precautionary steps for weatherproofing all

connections if installed in a location where water may come in contact with the

unit. Ensure the unit is properly grounded and that wiring is done according to

all local and national electrical/building codes.

INSTALLATION

Stretch Applications

The cable is suspended without any intermediate support. Stretch reels generally require a

line pull equal to two times the weight of the cable, which allows approximately 10% sag

at full extension. On long applications where sag cannot be tolerated, it is sometimes desirable

to put supports at intervals of 5 to 10 feet.

Drag Applications

The reel is mounted on a stationary object and is required to drag the cable over the surface to

the reel. The cable is supported by the ground or some type of cable tray.

Lift Applications

The cable is lifted vertically in lift applications. The reel is normally designed to handle only the total

weight of the cable. Some lift applications may require a ball stop and ratchet to control the length

of cable to be retracted.

Retrieve Applications

The reel is mounted on the moving object and winds up or pays out the cable as the machine

approaches or moves away from the fixed end. Retrieve applications can be elevated up to 4 feet

from the cable support surface.

EPLRL-50-16.4-HR-SWB

Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com 3of 5

MOUNTING

Standard mounting

1. The reel may be mounted by bolting the base to any flat surface which is structurally sound enough to support it and

the forces of winding and unwinding the cable.

2. The spool drum must rotate on a level horizontal axis.

3. Position the guide arm so that cable payout is perpendicular to the face of cable roller guide. The total cable deflection

should not exceed 15° to either side of the centerline of the spool.

4. If deflection is constant to either side of the reel and operation is impaired, re-mount the reel.

5. If the angle of deflection exceeds a Pivot Base should be used, otherwise excessive cable wear and unreliable

operation will result.

6. A safety chain is recommended for all overhead installations. Attach the safety chain using the 0.39 hole provided in

the base.

Pivot Base mounting

1. All EXPCRL cable reels can be furnished with a spark proof pivot base to allow the reel to rotate and keep the

extended cable perpendicular to the application.

2. The pivot base has the ability to rotate up to 340°. This pivot base is not suitable for applications requiring continuous

rotation.

3. A pivot base is required carousel or loop-track applications.

4. When a pivot base is used, the reel must be mounted horizontally (ceiling or floor mounted).

5. The roller guide should be mounted so the cable will travel perpendicular to the axis of rotation. This will guard against

the cable twisting and ensure effective swivel action from the pivot base.

6. Selection of mounting holes should be such that the spool center is in line with the center point of the pivot base.

Cable Deflection with Roller

Reel with Pivot Base

Roller guide

1. All EXPCRL units are equipped with a roller guide arm. The function of the guide is to center the cable on the spool

and to help the reel cable more evenly.

2. The cable should not pile against either end of the spool during winding as this will tend to inhibit level winding of the

cable.

3. The guide should be secured at the best of twelve possible positions so that a minimum change of direction occurs at

the guide; otherwise, cable life will be reduced.

4. The guide is shipped installed on the reel. The guide must be aligned per application and secured prior to making any

electrical connections.

5. Mount the roller guide to the reel over the entrance coupling on the frame. Secure using the provided 3/8-16 hex head

cap screw, including the split lock washer. Tighten this to 15 ft.-lbs.

EPLRL-50-16.4-HR-SWB

Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com 4 of 5

Ratchet Lock

•The ratchet lock can be activated or deactivated, depending upon the application.

Operation with Ratchet

•The ratchet on the EXPCRL is spring loaded. It is designed to function in all acceptable

mounting configurations.

Operation without Ratchet

•Deactivate the ratchet by pivoting the lock-out bar to the lower position. This will remove the ratchet

pawl from the path of the ratchet plate. Locate the dimple on the lock out bar in the hole provided.

Roller Guide Locations

WARNING: Do not activate the ratchet abruptly. Sudden activation may cause excessive shock loads to the ratchet pawl which may

cause lock-up and/or breakage.

Cable Installation

Cable is factory installed and sealed. Consult factory for changes.

Spring Tension Adjustment

WARNING: Do not allow cable to retract without restraining the retraction speed. Walk the cable back to the reel during the spring

tension adjusting process. Always maintain two full cable wraps on drum at maximum cable extension, size cable accordingly.

1. The EXPCRL reels come with pre-tension from the factory. Some adjustments may be required to meet specific application

requirements.

2. To assure that the cable will retract properly and operate under the correct tension for intended application; the reel should be

tested. Securely mount reel before testing with cable installed on drum and end of spool cable not connected, proceed with the

next steps.

3. Pull the cable out to the intended travel distance and allow it to rewind. This procedure should be repeated five (5) to ten (10)

times in order to set the spring. Walk the cable back to the reel during the spring tension adjusting process.

Rotate Spool while holding Cable to Test the Spring Tension

4. With all the cable wound on the reel, grasp the end of the cable and rotate the drum and cable together in the direction of pay

out in order to pre-tension the spring. The number of pre-tension turns is determined by cable size and footage. Usually, four to

sixteen turns is sufficient, but additional turns may be used if testing indicates that the cable will not fully retract as desired with

just four turns.

EPLRL-50-16.4-HR-SWB

Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com 5of 5

Adding Spring Tension

5. Feed the end of the cable through the cable guide and pull the cable out the required length.

6. Repeat steps 3 to 5, if necessary, to add tension. To decrease tension, rotate drum and cable counter-clockwise.

Power Connections

1. Provide power source with over-current protection to prevent overheating of the reel and cable.

2. Reels are supplied with 6’ feeder cords. Those cords are the same cable as is supplied on the spool. They are factory sealed

with explosion proof potting compound and supplied with a watertight strain relief. If a conduit connection is required, the strain

relief must be removed and conduit connections made.

OPERATION

1. Do not exceed the voltage or amperage for the cable. Overheating, fire, damage to equipment or personal injury could result.

2. Do not allow cable to retract without restraining the retraction speed.

3. Operate the reel within the cable size and length and spring tensioning limits for which it was intended.

4. Keep two wraps of cable on the reel at maximum extension to avoid excessive tension on the cable and to prevent pullout of

cable from entrance watertight.

MAINTENANCE

There are no serviceable parts inside the fixture. However, it is good practice to routinely clean and check the

fixture for proper function.

•Disconnect power running to the unit and be sure the fixture iscool to the touch.

•Use a non-abrasive cleaning solution to clean the fixture.

USE AND CARE

Unauthorized modification may impair the function and/or safety of this device and could affect the life of the equipment.

Always check for damaged or worn out parts before using the device. Store it in a secure place out of the reach of

children when not in use.Inspect for good working condition prior to storage and before re-use.

REPLACEMENT PARTS

The EPLRL-50-16.4-HR-SWB is designed to provide years of reliable performance. Should the need for replacement

parts arise, please contact Larson Electronics.

THESE INSTRUCTIONS MAY NOT COVER ALL DETAILS OR VARIATIONS OF THIS PRODUCT FOR YOUR EQUIPMENT OR INSTALLATION REQUIREMENTS.

SHOULD FURTHER INFORMATION NOT COVERED BY THESE INSTRUCTIONS BE REQUIRED, PLEASE CONTACT LARSON ELECTRONICS BY EMAIL AT

SALES@LARSONELECTRONICS.COM OR BY PHONE AT 1-800-369-6671 FOR FURTHER ASSISTANCE.

PLEASE VISIT LARSONELECTRONICS.COM FOR WARRANTY AND RETURN INFORMATION.

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