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Part of the Limelight by Lutron System

Limelight by Lutron 

Field-installable Radio Sensor  

Module Installation

English

Important Notes: 

•  Use copper conductors only.

•  Check to see that the device type and rating is suitable for the application.

• 

DO NOT

 install if product has any visible damage.

•  If moisture or condensation is evident, allow the product to dry completely 

before installation.

•  Operate between -40 °F – 138 °F (-40 °C –70 °C), ambient.

•  Do NOT remove PIR lens assembly. Doing so would void IP65 compliance 

(wet locations) and degrade performance.

•  For more information, see  

www.lutron.com/TechnicalDocumentLibrary/3691100.pdf

•  Sensors: For Emergency applications – Devices require a 1 second delay 

before emergency power is applied after loss of normal power for proper 

system functionality. This is not applicable for use with an Uninterruptable 

Power Supply (UPS) backup system.

Isolated  0 – 10  V

-

 dimming output, 

capable of sinking up to 2.0 mA of a 

0 – 10  V

-

 signal 

Ratings: 

•  IP65 (UL

wet locations)

LL-EXTMOUNT-H
LL-EXTMOUNT-M
LL-EXTMOUNT-L

  Wiring Diagram

 Installation 

Please read before installing

120–277 V

~

   50/60 Hz  

Power consumption:

  1.0 W (load enabled) 

  0.5 W (load disabled) 

Max current output:

  120 V

~

  5 A

  277 V

~

  3.65 A

041662 

Rev. F

03/2021

FCC / IC  Information

This device complies with part 15 of the FCC Rules and Industry Canada license-
exempt RSS standard(s). Operation is subject to the following two conditions: 
(1) This device may not cause interference, and (2) this device must accept any 
interference, including interference that may cause undesired operation. Modifications 
not expressly approved by Lutron Electronics Co., Inc. could void the user’s authority 
to operate this equipment.
NOTE: This equipment has been tested and found to comply with the limits for 
a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are 
designed to provide reasonable protection against harmful interference in a residential 
installation. This equipment generates, uses and can radiate radio frequency energy 
and, if not installed and used in accordance with the instructions, may cause 
harmful interference to radio communications. However, there is no guarantee that 
interference will not occur in a particular installation. If this equipment does cause 
harmful interference to radio or television reception, which can be determined by 
turning the equipment off and on, the user is encouraged to try to correct the 
interference by one or more of the following measures:
• Re-orient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
•  Connect the equipment into an outlet on a circuit different from that to which the 

receiver is connected.

Required Components

For each fixture, you will need:

)

Lutron, Lutron and Limelight are trademarks or registered trademarks of Lutron Electronics Co., Inc. in the US and/or other countries. All other product names, logos, and brands are property of their respective owners.

©2018–2021 Lutron Electronics Co., Inc.

LED Driver

LL-EXTMOUNT 

Luminaire Power 

Connection

Line/Hot 

(Black)

Neutral/2

nd

 

Phase (White)

Switched Hot (Red)

DIM+ (Violet)
DIM- (Pink**)

• The Limelight by Lutron UL Listed RSM must be physically connected to a conductive 

surface that is earth grounded (e.g. conduit, junction box, luminaire, etc.) One way to do this 
if mounting to a non-grounded surface is to use a locknut with a ground connection. For 
Equipment Grounding purposes, use minimum 0.5 in (12 mm) rigid or flexible metal conduit, 
or metal junction box terminated in Listed fittings for the supply input and interconnection 
between the Control Box and Lighting Fixture.

• The Limelight by Lutron UL Listed RSM should always be mounted with the occupancy 

sensor lens pointing toward the ground surface.

• See wiring diagram for details. If being used as a non-dim load controller, cap the violet wire 

and cap the pink** wire. 

• Install in a location that allows the sensor to have an unobstructed view of the area.

Mounting Notes

• The LL-EXTMOUNT has been tested to the IP65 dust and water ingress protection standards.
• Regardless of whether factory or field installed, it is the responsibility of the installer to attach 

the Limelight by Lutron to the fixture in a manner that maintains the IP65 integrity.

• Lutron will only warranty water ingress issues if proper attachment methods are observed and 

documented.

• An excellent method of attachment to a fixture is by using a Myers Hub (not included):
  –  There are a variety of styles depending on the luminaire type, environment and desired 

occupancy coverage.

  –  Ensure that the Myers Hub includes an O-ring gasket that has excellent environmental 

ratings.

  –  When using a Myers Hub, the best solution is to use a thread sealant. If thread sealant is not 

available, apply high torque in all areas.

• For installation by a qualified electrician in accordance with all local and national electrical codes. 

Wireless Range Best Practices

• Wire length from output of LL-EXTMOUNT to LED Driver shall be no longer than  

50 ft (15 m) with wire gauge the same as or larger diameter than LL-EXTMOUNT  
wire gauge. 

  – 18 AWG (1.0 mm

2

) 7x26 stranded UL1015

    ∙ Black: AC Hot
    ∙ White: AC Neutral/2

nd

 Phase

    ∙ Red: Switched AC Hot output 
    ∙ Violet: DIM+ dimming driver positive (0–10 V

-

)

    ∙ Pink**: DIM- dimming return 
  –  RSM needs to be powered continuously (it should NOT be switched on and off by 

external means)

  – Default Conditions
    ∙  The default state of the radio LED is solid on. A solid on red LED means the node is 

not in a network and is waiting to join a network.

    ∙  The red PIR LED comes on solid for a second upon power up, and then will flash 

quickly when it detects motion.

Limelight by Lutron Radio Sensor Module (RSM) (LL-EXTMOUNT)

½ in – 14 TPI (12.7 mm – 

0.55 threads per mm)  

NPT male thread

0–10 V

-

 LED driver (if dimming is required)

+

WARNING: Shock Hazard.

 

May Result 

in Serious Injury or Death.

 Multiple power 

sources (phase-to-phase) possible. Disconnect 
all power before servicing.

CAUTION: 

Bonding between conduit 

connections is not automatic and must be 
provided as a part of the installation.

Lutron Electronics Co., Inc. 7200 Suter Road

Coopersburg, PA 18036-1299 USA

Customer Assistance   www.lutron.com/support

     

RF range recommendations

Parking Garage 

Flat lot

3 nodes within this distance of the gateway

50 ft (15.2 m)

150 ft* (45.7 m)

Max distance from the gateway to any one node

500 ft (152.4 m)

3000 ft (914.4 m)

Max distance from node to node

50 ft (15.2 m)

150 ft (45.7 m)

Gateway proximity to dense metal obstructions 
(including electrical panels)

Minimum 2 ft (0.6 m) away at height of no 
less than 6 ft (1.8 m)

Minimum 2 ft (0.6 m) away at 
height of no less than  
6 ft (1.8 m)

Max number of luminaires controlled by a single 
gateway

Up to 800, as long as no other range 
restrictions are violated. Nodes should be 
no farther than 4 floors above or below the 
gateway. 

Up to 800, as long as no 
other range restrictions are 
violated

 *   If the gateway is not at or above ground level or there is more than one wall between the gateway and nodes, the 50 ft (15.2 m) 

spacing guideline should be used.

** This wire may be gray on older products or in retrofit applications.

Summary of Contents for Limelight LL-EXTMOUNT-H

Page 1: ...m rigid or flexible metal conduit or metal junction box terminated in Listed fittings for the supply input and interconnection between the Control Box and Lighting Fixture The Limelight by Lutron UL Listed RSM should always be mounted with the occupancy sensor lens pointing toward the ground surface See wiring diagram for details If being used as a non dim load controller cap the violet wire and c...

Page 2: ...stop once it is commissioned correctly 1 2 Luminaire power up timing When the device powers up it cycles the luminaire through various states so the manufacturer can determine if the luminaire has been wired correctly The power up sequence is as follows Light State Low Off Low Medium High Duration 1 second For 1 second For 3 seconds For 3 seconds Indefinitely This value may vary depending upon dri...

Page 3: ... 0 5 po ou un boîtier de raccordement en métal muni de raccords homologués pour l entrée d alimentation et l interconnexion entre le boîtier de commande et le luminaire Le RSM certifié UL de Limelight par Lutron doit toujours être monté avec la lentille du détecteur d occupation orientée vers la surface du sol Voir le diagramme du câblage pour plus de détails En cas d utilisation comme contrôleur ...

Page 4: ...été effectuée correctement 1 2 Temporisation de la mise sous tension du luminaire Lorsque l appareil s allume il fait passer le luminaire par différents états pour permettre au fabricant de déterminer si le luminaire a été câblé correctement La séquence de démarrage est la suivante État de la lumière Bas Éteint Bas Moyen Haut Durée 1 seconde Pendant 1 seconde Pendant 3 secondes Pendant 3 secondes ...

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