Larson Electronics EXP-RT-3PH-MIN.5-208V Manual de usuario

EXP-RT-3PH-MIN.5-208V

Larson Electronics, LLC Phone: (800) 369-6671 Fax: (903) 498-3364 www.larsonelectronics.com 1of 2

Explosion Proof Timer Switch

Class I, II, III - 5-Min Timer, 3PST Switch - NEMA - 208V AC, 3PH

Instruction Manual

Thank you for your purchase of the Larson Electronics EXP-RT-3PH-MIN.5-208V.

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.

The Larson Electronics EXP-RT-3PH-MIN.5-208V Explosion Proof Timer Switch provides timed controls for equipment in

combustible work sites and locations. Designed to operate on three-phase 208V AC, the 5-minute timer can be configured

using a 3PST switch. Constructed of copper-free aluminum, the unit is NEMA-rated for durability in rugged environments.

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 208V AC.

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.

EXP-RT-3PH-MIN.5-208V

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

HUBS

This explosion proof unit is available with either 1/2" or 3/4" NPT tapped hubs. The conduit openings are provided on the

top and bottom of the unit in feed through versions, while dead-end versions have a single conduit hub, providing easy and

secure connection to main power line supplies.

MOUNTING

Four external mounting lugs provide simple and secure mounting of the unit to walls and flat surfaces.

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 glass cleaning solution to clean the unit.

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 EXP-RT-3PH-MIN.5-208V 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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