LITHONIA LIGHTING 2BLT2 BLT 2×2 LED Center Basket Troffe Instructions

LITHONIA LIGHTING 2BLT2 BLT 2×2 LED Center Basket Troffe

Product Information

The product is an Occupied Spaces Direct Irradiation UV Equipment that emits UV radiation at wavelengths less than 250 nm. The equipment has emitters that are in the Exempt Risk Group for actinic UV (200-400nm), near UV (315-400nm), and blue light (300-700nm) hazards. It is designed to be installed and used according to the instructions provided in the user manual. The equipment emits UV radiation that can generate ozone, and therefore, it is important to take precautions to ensure that ozone concentration stays within applicable permissible exposure limits as described on page 1 of the document.

Product Usage Instructions

Before installing or servicing the equipment, it is important to read and follow all safety instructions provided in the user manual. The following are the product usage instructions:

1. Disconnect or turn off the power before installation or servicing.
2. Allow lamp/fixture to cool before handling and do not touch hot lens, lamp, guard, or enclosure.
3. Verify that supply voltage is correct by comparing it with the equipment label information.
4. Follow all lamp manufacturer’s warnings, recommendations, and restrictions on lamp operation including but not limited to: ballast type, burning position, replacement, and recycling.
5. Make all electrical and grounded connections in accordance with the National Electrical Code (NEC) and any applicable local code requirements. All wiring connections should be capped with UL-approved recognized wire connectors.
6. Wear gloves and safety glasses at all times when removing equipment from cartons, installing, servicing or performing maintenance.
7. Keep combustible and other materials that can burn away from lamp/lens. Do not operate in close proximity to persons, combustible materials or substances affected by heat or drying.
8. Avoid direct eye exposure to the light source while it is on.
9. Disconnect or turn off power to equipment before performing maintenance or servicing other elements in the ceiling or space that require closer proximity than normal standing height away from the equipment.
10. Remove or protect materials that may undergo photodegradation by UV emitters used in this equipment prior to the operation of the unit if degradation is a concern. Tested materials are identified in the Photodegradation Testing Results summarized on the specification sheet for this equipment.

Failure to follow any of these instructions could void product warranties available at www.acuitybrands.com/support/warranty. For technical assistance, call 800-705-SERV (7378).

IMPORTANT SAFETY INSTRUCTIONS

OCCUPIED SPACES DIRECT IRRADIATION UV EQUIPMENT READ AND FOLLOW ALL SAFETY INSTRUCTIONS!

When using electrical equipment, basic safety precautions should always be followed including the following:

• To reduce the risk of death, personal injury or property damage from fire, electric shock, falling parts, cuts/abrasions, and other hazards please read all warnings and instructions included with and on the fixture box and all fixture labels.
• Before installing, servicing, or performing routine maintenance on this equipment, follow these general precautions.
• Installation and service of this equipment should be performed by a qualified licensed electrician.
• This equipment is designed for use with germicidal UV radiation sources and must be installed in compliance with competent technical directions to prevent the risk of personal injury from UV radiation.
• UV radiation can pose a risk of personal injury. Overexposure can result in damage to eyes and bare skin. To reduce the risk of overexposure this equipment must be installed in accordance with the manufacturer’s site planning recommendations. This may include instructions on the relative location of each germicidal system component, the minimum distances between UV-generating devices and other objects or surfaces, and protection from line-of-sight exposure to UV radiation in occupied spaces located above the equipment mounting area (e. g. upper-floor balconies, open staircases, etc.)
• UV and optical radiation can be reflected by surrounding surfaces such as ceilings and walls. Since the reflective properties of surfaces can vary widely, it should be considered as part of site planning. Follow the manufacturer’s recommendations for selecting appropriate ceiling and wall finishes.
• IT IS THE RESPONSIBILITY OF THE INSTALLER TO ENSURE THAT PERSONS WILL NOT BE EXPOSED TO EXCESSIVE UV OR OPTICAL RADIATION DURING EQUIPMENT OPERATION. THIS WILL REQUIRE THE INSTALLER TO CONDUCT AN ASSESSMENT OF IRRADIANCE OR ILLUMINANCE LEVELS IN THE SURROUNDING OCCUPIED SPACES PRIOR TO OCCUPANCY.
• Equipment should be mounted in locations and at heights where it will not readily be subjected to tampering by unauthorized personnel.
• Maintenance and servicing of this UV generating equipment shall be performed by authorized personnel. Service personnel must wear appropriate Personal Protective Equipment (PPE) if the equipment will be in operation during the maintenance or servicing work. Contact the equipment manufacturer for PPE recommendations and guidance.
• Take precautions to ensure that the concentration of ozone in the installation is limited to a value that is within applicable permissible exposure limits. Verify acceptable ozone concentrations in the installation taking into account the number of products in a given volume of space, the characteristics of the ventilation system, access, and other factors. Permissible exposure limits vary based on the place of ozone application, the length of exposure, and other factors and are publicly available. For reference, the EPA National Ambient Air Quality Standard is 0.070 ppm maximum concentration averaged over 8 hours and current OSHA regulations set an eight-hour time-weighted average permissible exposure limit of 0.10 ppm. The amount of ozone emitted by a single emitter of the type used in this equipment does not exceed a concentration of 0.001 ppm over an 8-hour period, as tested in accordance with UL 867. Dual emitters are used in this equipment and the equipment has not been tested as a complete unit.
• The use of accessory equipment not recommended by the manufacturer may cause an unsafe condition.
• Do not use this equipment for other than intended use.
• Not intended for use with wall switches. Connect to an unswitched circuit intended for 24/7/365 continuous operation.
• It is the obligation of the end-user to consult with qualified Professional Engineer(s), a Certified Infection Control professional, and a Certified Industrial Hygienist, as applicable, to determine whether this equipment and its installation meets the applicable requirements for system performance, code compliance, safety, suitability and effectiveness for use in a particular application design.
• DO NOT INSTALL DAMAGED PRODUCT! This equipment has been properly packed so that no parts should have been damaged during transit. Inspect to confirm. Any part damaged or broken during or after installation should be replaced. Contact the manufacturer for replacement.
• Follow all disposal laws when replacing or disposing. Excimer lamps do not contain hazardous materials and can be recycled by standard electronics recyclers.
• Do not install below the minimum height specified in these installation instructions.
• This equipment, including the lamp modules, must be stored in a dust-free environment and be handled while wearing clean gloves. Since Far-UVC radiation is absorbed by proteins and other organic compounds, accumulation of dust particles or touching of the optical radiation surface will negatively impact the output of the UV radiation source. Follow recommended cleaning procedures when dirt is observed on the lens and as part of a regular maintenance cleaning cycle.
• To ensure that the equipment may continue to operate as designed, replacements for the proprietary UV module system (UV Lamp Module and Dosage Controller) must be purchased from Acuity Brands Lighting. Contact Acuity Brands Lighting when the UV Lamp Module reaches end of life.
• These instructions do not purport to cover all details or variations in equipment nor to provide every possible contingency to meet in connection with installation, operation, or maintenance. Should further information be desired, or should problems arise which are not covered sufficiently for the purchaser’s or owner’s purposes, please contact Technical Services at Acuity Brands Lighting, 800-705-SERV (7378).

PRECAUTIONARY STATEMENTS HAZARDS TO HUMANS AND DOMESTIC ANIMALS

WARNING RISK OF ELECTRIC SHOCK

• Disconnect or turn off power before installation or servicing.
• Verify that supply voltage is correct by comparing it with the equipment label information.
• Make all electrical and grounded connections in accordance with the National Electrical Code (NEC) and any applicable local code requirements.
• All wiring connections should be capped with UL approved recognized wire connectors.

CAUTION RISK OF INJURY

• Wear gloves and safety glasses at all times when removing equipment from carton, installing, servicing or performing maintenance.
• Avoid direct eye exposure to the light source while it is on.

CAUTION OZONE EXPOSURE RISK

• This equipment emits UV radiation at wavelengths less than 250 nm which can generate ozone.
• Take precautions to ensure that ozone concentration stays within applicable permissible exposure limits as described on page 1 of this document.

WARNING RISK OF BURN

• Allow lamp/fixture to cool before handling. Do not touch hot lens, lamp, guard, or enclosure.
• Follow all lamp manufacturer’s warnings, recommendations and restrictions on lamp operation including but not limited to: ballast type, burning position, replacement, and recycling.

CAUTION RISK OF FIRE

• Keep combustible and other materials that can burn away from lamp/lens.
• Do not operate in close proximity to persons, combustible materials or substances affected by heat or drying.

CAUTION UV EXPOSURE RISKS

• Disconnect or turn off power to equipment before performing maintenance or servicing other elements in the ceiling or space that require closer proximity than normal standing height away from the equipment.
• Skin or eye injury may result from overexposure to the light produced by the lamp in this equipment at distances less than 24 in. from the emitter.
• Emitters used in this product are in the EXEMPT RISK GROUP for actinic UV (200-400nm), near UV (315-400nm), and blue light (300-700nm) hazards, as described in IEC 62471, when installed and used according to instructions in this document.
• UV emitters used in this equipment can cause limited photodegradation of many materials over years of operation. For the few materials where photodegradation may be more significant (such as PVC), remove or protect these materials prior to operation of the unit if degradation is a concern. Tested materials are identified in the Photodegradation Testing Results summarized on the specification sheet for this equipment.

Failure to follow any of these instructions could void product warranties available at www.acuitybrands.com/support/warranty. For technical assistance, call 800-705-SERV (7378). EPA Establishment Number: 97727-MEX-2. For sale only in the United States of America and Mexico. Dual module configurations do not meet California air cleaner regulation requirements; dual module configurations cannot be shipped to California. Acuity Brands Lighting, Inc. assumes no responsibility for claims arising out of improper or careless installation or handling of its products.

Acuity Brands Lighting, Inc. | One Lithonia Way, Conyers, GA 30012 | Phone: 800.705.7378 | www.acuitybrands.com nLight and the Acuity Brands logo are registered trademarks of Acuity Brands. Care222 is a registered trademark of Ushio America, Inc. © 2021 – 2022 Acuity Brands Lighting, Inc. All Rights Reserved.

DESCRIPTION OF NORMAL OPERATION

• When line voltage is applied to the luminaire, the Status Indicator LED should appear as a green solid light. The UV lamp module will remain inactive for between 11 and 12 minutes. Complete any mechanical adjustments to the luminaire before applying line voltage, or else ensure that any work on or near the luminaire that would require any part of the installer to be more than 7ft off the floor is complete within the first 11 minutes after line voltage is applied to prevent the installer from receiving a UV dose that is larger than the recommended amount.
• The UV lamp module will activate for a duration between 10 and 50 seconds on 12-minute cycles. The duration will depend on the Programming Option value in each unit’s order nomenclature (e.g. 2BLT…D108). Refer to the product Specification Sheet for guidance in selecting the correct Programming Option value for each application.
• When activated, the UV module will illuminate with a soft violet glow (see image below). The Status Indicator LED should remain green whether the UV module is active or inactive if all self-diagnostics report proper function.
• The Status Indicator LED may reflect additional states throughout the lifetime of the luminaire. The possible states are as follows:

UV Lamp rated for 3000 hours (approximately 5 years of life based on activated hours)1. The Status Indicator LED will change to yellow solid when six months of projected life are left in the lamp module – order replacement parts and schedule labor accordingly to ensure continuous operation.

UV Emitter Information

• HIGHEST IRRADIANCE AT 500 mm: 0.51 W/m²
• To ensure that the equipment may continue to operate as designed, replacements for the proprietary UV module system (UV Lamp Module and Dosage Controller) must be purchased from Acuity Brands Lighting. Reference the fixture’s certification label for the unit’s nomenclature and call 800-705-SERV (7378) to ensure the correct replacement part to order.
• Minimum height of bottom face of luminaire when installed:
  • 2BLT…D108 = 108” minimum above floor
  • 2BLT…D114 = 114” minimum above floor
  • 2BLT…D120 = 120” minimum above floor
  • 2BLT…D126 = 126” minimum above floor
  • 2BLT…D132 = 132” minimum above floor
  • 2BLT…D138 = 138” minimum above floor
  • 2BLT…D144 = 144” minimum above floor
  • 2BLT…D150 = 150” minimum above floor

Plots on pages 4 through 6 show the amount of exposure in mJ/cm2 per 8 hours. Keep charts for reference only. Proceed to pages 7 through 10 for fixture installation. 1 Average rated life based on industry standard measurements and not a performance claim specific to any individual product.

IRRADIANCE PLOTS FOR 1UV222 – ALL SIZES

• All measurements in μW/cm2 measured at plane 84” above floor – 1x1ft grid
• All measurements in mJ/cm² per 8 hours, measured at plane 84” above floor – 1x1ft grid. ACGIH guideline for maximum dose is 23 mJ/cm² per 8 hours. Consult Acuity Design Services for layout of multiple-luminaire installations.

IRRADIANCE PLOTS FOR 2UV222 – 2X2

• All measurements in μW/cm2 measured at plane 84” above floor – 1x1ft grid
• All measurements in mJ/cm² per 8 hours, measured at plane 84” above floor – 1x1ft grid. ACGIH guideline for maximum dose is 23 mJ/cm² per 8 hours. Consult Acuity Design Services for layout of multiple-luminaire installations.

IRRADIANCE PLOTS FOR 2UV222 – 2X4

• All measurements in μW/cm2 measured at plane 84” above floor – 1x1ft grid
• All measurements in mJ/cm² per 8 hours, measured at plane 84” above floor – 1x1ft grid. ACGIH guideline for maximum dose is 23 mJ/cm² per 8 hours. Consult Acuity Design Services for layout of multiple-luminaire installations.

Fixture Install

CAUTION: MAKE SURE LUMINAIRE IS MOUNTED TO A SECURE STRUCTURE. USE APPROPRIATE MOUNTING HARDWARE TO INSTALL FIXTURE RATED FOR YOUR APPLICATION. FAILURE TO MOUNT FIXTURE CORRECTLY COULD RESULT IN SERIOUS INJURY. ABOVE CEILING ACCESS REQUIRED – DO NOT INSTALL IN A DWELLING KEEP THESE INSTALLATION INSTRUCTIONS

For recessed mounting:

1. Place the fixture in the appropriate T
   Bar ceiling structure. This fixture is designed for standard ANSI Type G ceilings.

2. From above ceiling, bend the integral T Bar clips over the T Bars on all 4 corners to secure the fixture to the T Bar ceiling as shown in Figure 1. Fixture may be secured to building structure, as required by some local codes, using the wire hanger holes, also shown in Figure 1.

   • Refrain from bending the T bar clips multiple times prior to installation, to prevent damage.

3. Using a screwdriver, remove access plate as shown in Figure 2, with the branch circuit power OFF make electrical connections from supply and properly ground as local codes dictate (refer to Figures 3 through 5).
   LED Driver Wiring:

   • Green wire Ground

   • White wire Neutral

   • Black wire Hot
     UV Module Wiring (This is to be on a unswitched circuit for continuous operation

   • Green wire Ground

   • White wire Neutral

   • Black wire Hot

4. If the dimming leads (Purple & Pink (or Gray)) aren’t being used, cap them off (if not already done). Dimming leads are for low voltage dimming only.

   • Purple wire 0 10V (+)
   • Pink (or Gray) wire 0 10V (-)

5. Reinstall and secure access plates.

6. If fixture includes factory installed emergency battery, refer to Figures 3 through 5 for incoming supply connections. 912 00290 001 Rev. R

7. Once the fixture is installed, remove the red protective UV module cover and inspect the module glass for cracks, dust, fingerprints, etc … IF CRACKS ARE PRESENT, DO NOT APPLY POWER , and return the fixture to Acuity Brands Lighting for replacement. If dust or fingerprints are present, clean the glass with a non abrasive cleaner such as glass cleaner or disinfecting wipes. It is recommended that the glass be cleaned periodically to retain the intended UV C transmission.
   Fixture Install Continued…

8. Install the UV Status and Information Label, shown below, by affixing it in a location that will be visible after installation in a location likely to be discovered by future maintenance personnel Suggested locations include a cover plate near the entrance to the room containing the BLT fixture(s with Care 222 ®, the electrical panel supplying the luminaire branch circuit, or a clean, smooth wall near the room entrance

9. Energize fixture(s) and confirm that each of the UV Status Indicator LEDs are illuminated GREEN

Acuity Brands Lighting, Inc. | One Lithonia Way, Conyers, GA 30012 Phone: 800.705.7378 www.acuitybrands.com nLight and the Acuity Brands logo are registered trademarks of Acuity Brands. Care222 is a registered trademark of Ushio America, Inc. © 2021 2022 Acuity Brands Lighting, Inc. All Rights Reserved.

References

• Acuity Brands | Lighting, Controls, and Building Management Solutions
• Acuity Brands | Lighting, Controls, and Building Management Solutions
• Warranty

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