Lithonia Lighting OutdoorOne Lithonia Way, Conyers, GA 30012Phone: 800-279-8041 Fax: 770-918-1209www.lithonia.com

Part Number: RJ521312 Rev BRevision Date: 1/27/11

INSTALLATION INSTRUCTIONSMRP OMERO POST TOP

READ AND FOLLOW ALL SAFETY INSTRUCTIONS!SAVE THESE INSTRUCTIONS AND DELIVER TO OWNER AFTER INSTALLATION

SAVE THESE INSTRUCTIONS

WARNINGTo reduce the risk of death, injury or property damage from fire, electric shock, cuts,abrasions, falling parts, and other hazards:

• Service of the equipment must be performed by qualified service personnel.• Installation and maintenance must be performed by a person familiar with the construction and

operation of this product and any hazards involved. All applicable codes and ordinances mustbe followed.

• Read this document before installing, servicing, or maintaining this equipment or installing alamp. These instructions do not cover all installation, service, and maintenance situations. Ifyour situation is not covered, or if you do not understand these instructions or additionalinformation is required, contact Lithonia Lighting or your local Lithonia LIghting Distributor.

• Read and follow all warnings and instructions provided by the lamp manufacturer.

WARNINGBefore installing, servicing, or maintaining this equipment, follow these general precautions.

To reduce the risk of electrocution:• Make sure the equipment is properly grounded.• Always de-energize the circuit and/or equipment before connecting to, disconnecting

from, or servicing the equipment.To reduce the risk of fire:

• Keep material away that can burn from hot lamp.• Make sure lamps are correctly installed.• Use supply conductors with a minimum installation temperature rating as specified on

equipment.To reduce the risk of personal injury from cuts, abrasions, or falling parts:

• Wear gloves to prevent cuts or abrasions from sharp edges when removing from carton,handling and maintaining this equipment.

• Do not use abrasive materials, glass cleaners or other solvents on reflector or lens.These substances may damage equipment and cause parts to eventually break andfall.

• Do not install a damaged fixture.

CAUTION: Observe lamp manufacturer’s recommendations and restrictions on lamp operation,including but not limited to ballast type, burning position, replacement and cycling. Use only lamps thatcomply with applicable ANSI standards.

NOTICE: If lamp is marked it contains mercury. Follow disposal laws. See www.lamprecycle.org

Lithonia Lighting, a division of Acuity Brands Lighting, Inc., assumes no responsibility for claims arising out ofimproper or careless installation or handling of this product.

IMPORTANT SAFETY INSTRUCTIONS

READ AND FOLLOW ALL SAFETY INSTRUCTIONS!SAVE THESE INSTRUCTIONS AND DELIVER TO OWNER AFTER INSTALLATION

Lithonia Lighting OutdoorOne Lithonia Way, Conyers, GA 30012Phone: 800-279-8041 Fax: 770-918-1209www.lithonia.com

Part Number: RJ521312 Rev BRevision Date: 1/27/11

INSTALLATION INSTRUCTIONSMRP OMERO POST TOP

4. Using a 3/8" nut driver remove the (2)power door retaining screws and detachthe reflector and power supply using the

quick-disconnects. Keep the removed hardware for re-installation. SeeFigure 2.5. With the power door removed, and the electrical connections made,slide the internal slipfitter and fixture into the pole. Using a 3/4" socket withextension, tighten the internal slipfitter. Do not over tighten. Overtightening will cause stripping and void all warranties. The fixture should be level on the pole and should not move or rotate.6. Re-connect the reflector and power supply using the quick disconnects removed earlier in step 4. Using a 3/8" nut driver reinstall the(2) power door retaining screws. Using a 4mm hex wrench, re-install the ballast compartment cover and tighten the (1) one ballastcompartment 1/4 - 20 screw. Do not over tighten. Over tightening will cause stripping and void all warranties.7. To access fixture for lamp installation: Use a 4mm hex wrench and loosen the (3) three optical door retaining screws. Do not removethe screws; loosen screws to allow the optical top to open. Optical top opens by pivoting upward.8. Using a 1/4" nut driver, loosen the (4) four optic retaining screws. Rotate optics counter-clockwise to gain access to the lamp socket.9. LAMP INSTALLATION AND RE-INSTALLATION: Prior to installing the lamp (not included) in the fixture, check to make sure that allpower is disconnected. Ensure that the lamp source and wattage corresponds with the fixture label. To properly seat the lamp into thefixture, screw the lamp securely into the socket. Back the lamp out one to two turns, and then screw the lamp back into the socket,making sure that it is secure. Compact fluorescent - Push lamp into socket until the socket retention clips snap secure (you will hear aclick).10. Rotate optics clockwise to desired position. Optics are rotatable in 90o increments; optical tray accommodates an additional 15o slideadjustment to better direct light distribution based on application needs. Close the optical top. Use a 4mm hex wrench and re-tighten the(3) three optical door retaining screws. Do not over tighten. Overtightening will cause stripping and void all warranties.11. Tighten (4) four optic retaining screws. Do not over tighten. Overtightening will cause stripping and void all warranties.

Multi-tap Ballast (TB): The multi-tap ballast will be prewired for 277V atthe factory. This option offers multi voltage capability. First determinethe correct line voltage. Then select the corresponding fixture voltagelead, remove the crimped cap and connect to the supply voltage lead.The fixture lead marked COM should be connected to the neutral supplylead for 120 or 277. For 208 or 240, connect the other incoming hot leg tothe fixture lead marked "COM". Be sure to cap off all unused fixture leadsindividually.

Troubleshooting: If this fixture fails to operate properly, check to makesure: The proper lamp is installed correctly. • The fixture is wiredcorrectly. • The lamp is not faulty. • The fixture is grounded correctly.• The line voltage at the fixture is correct. If all these variables havebeen checked and the fixture still does not operate as specified,contact your local Lithonia Lighting distributor.

Figure 2

Installation:1. The MRP mounts to a 4" diameter roundpole top only.2. Make electrical connections to thefixture before installing it into the pole.Make certain that all power is disconnectedprior to installing the fixture.3. Using a 4mm hex wrench, remove theballast compartment cover 1/4 - 20 screw(provided). Keep for re-installation. SeeFigure 1.

Figure 1

Delivery: Upon receipt of fixture and accessories (packed separately), throughly inspect for any freight damage. Alldamage should be reported to the delivery carrier. Compare the catalog description listed on the packing slip with thefixture label on the inside of the housing to be sure you have received the correct merchandise.

©2001 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 01/11