Wattstopper
®
DLM 1 Load Universal Dimming Room Controller
Installation Instructions • Instructions d’Installation • Instrucciones de Instalación
No: 24179 – 03/20 rev. 2
Catalog Number • Numéro de Catalogue • Número de Catálogo: LMRC-221
Country of Origin: Made in China • Pays d’origine: Fabriqué en Chine • País de origen: Hecho en China
LMRC-221-U is BAA and TAA compliant (Product produced in the U.S.)
PLACEMENT EXAMPLE
SPECIFICATIONS
Input Voltage ....................................................................120/277VAC, 50/60Hz
Minimum Load Rating ..............................................................................10 watt
Maximum Load Ratings
Incandescent, Quartz Halogen, LED Drivers*
Magnetic Low Voltage* Transformer (MLV) ........................................... 20A
Electronic Low Voltage* Transformer (ELV) .......................................... 20A
Electronic Fluorescent Dimming Ballasts:
2 Wire Advance® Mark X or equal
3 Wire Lutron® Hi-Lume or Eco-10
Neon/Cold Cathode (cc) ............................................ 1920 W @ 120 V
................................................................................... 4432 W @ 277 V
* Forward Phase compatible, dimming rated only
Output to DLM Local Network ........................................ up to 250mA @ 24VDC
Connection to the DLM Local Network ...........................................4 RJ-45 ports
DLM Local Network characteristics when using LMRC-11x/2xx room controllers:
Low voltage power provided over Cat 5e cable (LMRJ);
max current 800mA. Supports up to 64 load addresses,
48 communicating devices including up to 4 LMRC-10x
series and/or LMPL-101 controllers.
Free topology up to 1,000’ max.
Environment ........................................................................ For Indoor Use Only
Operating Temperature ........................................32° to 131°F (0° to 55°C)
Storage Temperature ......................................... 23° to 176°F (-5° to 80°C)
Relative Humidity ............................................. 5 to 95% (non condensing)
Max Branch Circuit Overcurrent Protection ................................................... 25A
Patent Pending
WARNING: TURN THE POWER OFF AT
THE CIRCUIT BREAKER BEFORE WIRING.
This unit is pre-set for Plug n’ Go™ operation,
adjustment is optional.
For full operational details, adjustment and more features of the
product, see the DLM System Installation Guide provided with
Wattstopper room controllers, and also available at
www.legrand.us/wattstopper.
Installation shall be in accordance with all applicable regulations,
local and NEC codes. Wire connections shall be rated suitable for
the wire size (lead and building wiring) employed.
For Class 2 DLM devices and device wiring: To be connected to a
Class 2 power source only. Do not reclassify and install as Class 1,
or Power and Lighting Wiring.
120/277VAC, 50/60Hz
Class 2 output: 250mA
Compatible loads:
• 20A @ 120/277V: Incandescent, MLV, ELV and LED
(forward phase compatible)
• 1920 W @ 120V, 4432 W @ 277V: neon/cc, 2 wire
and 3 wire electronic fluorescent dimming ballasts
- 2 wire (Advance® Mark X or =)
- 3 wire (Lutron® Hi-Lume or =)
UL 2043 Plenum Rated
1 Load Universal Dimming Room Controller
LMRC-221
75 C Copper Wire Only
1
20
/
277VA
C
, 50
/
60H
z
Class 2 out
p
ut: 250mA
C
om
p
atible loads
:
• 20A @ 120/277V: Incandescent, MLV, ELV and LE
D
(forward phase compatible
)
• 1920 W @ 120V, 4432 W @ 277V: neon/cc, 2 wire
and 3 wire electronic fluorescent dimming ballasts
- 2 wire
(
Advance
®
Mark X or =)
®
- 3 wire (Lutron
®
Hi-Lume or =)
®
UL
20
4
3
Plenum Rate
d
1
Load Universal Dimmin
g
Room Controlle
r
L
MR
C
-22
1
75 C Copper Wire Onl
y
Industrial Control
Equipment
46A9
Indoor Use Only
CAUTION: TO CONNECT A COMPUTER TO THE DLM LOCAL NETWORK USE THE LMCI-100.
NEVER CONNECT THE DLM LOCAL NETWORK TO AN ETHERNET PORT –
IT MAY DAMAGE COMPUTERS AND OTHER CONNECTED EQUIPMENT.
Corner Mount
Occupancy
Sensor
Switch/
Dimmer
Ceiling Mount
Occupancy
Sensor
J Box
To
Load
LMRC-221
Room
Controller
Daylighting
Sensor
DLM Local Network
(low voltage, Class 2)
LMRJ cables
2
MOUNTING THE CONTROLLER
The room controller mounts to a four
square deep junction box using the
included mounting plate with the hinge pins
extending away from the box as shown.
Slide the rubber hinge
stopper into the hinge slot
as shown to secure the unit.
Mounting plate
LINE VOLTAGE WIRING
Tighten mounting screw
using screwdriver.
CONNECTIVITY
LMRJ connections shown are for example only. LMRJ cables can connect to any DLM device with an open RJ45 receptacle.
All line voltage wiring is #12 AWG. Do not connect different load types to the same load output.
Incandescent, MLV, ELV, LED, Neon/cc, 2 Wire Fluorescent
(Advance Mark X or equal)
Line
Voltage
Room
Controller
Deep J-Box
DLM Network
Low Voltage
LMRJ Cables
Line/Hot
Black wire
Neutral
White wire
Red wire to Load A
Black w/red stripe wire (unused)
Earth Ground/Green wire
Dimming Load A
CAUTION: CAP OFF ANY UNUSED WIRES.
3 Wire LED Driver (Lutron or equal)
Line
Voltage
Room
Controller
Deep J-Box
DLM Network
Low Voltage
LMRJ Cables
Black w/red stripe to
black switched hot
Line/Hot
Black wire
Neutral
White wire
Red wire to orange dimmed hot (Load A)
Lutron Dimming
LED Driver (Load A)
Earth Ground/Green wire
WIRING DIAGRAMS
ATTACHING LMRJ LOW VOLTAGE CABLES
To access the RJ45 receptacles, lift the “clamshell” cover on the
controller. Remove the rubber jack covers to use the RJ45 receptacles.
Plug the cables into the receptacles then secure them under the strain
relief hooks. Leave covers in place for all unused receptacles.
NOTE: Do not connect different load types
to the same load output.
WARNING: To Reduce Risk of Electric
Shock, unit shall be properly Grounded in
accordance with NEC and Local Codes..
3
DIMMING CURVE SELECTION PROCEDURE
The Dimming Curve button allows selection of the appropriate curve for the connected load type.
By default, the curve is factory set to Curve 1, which is for incandescent, MLV, LED, ELV, and neon/cc loads.
Step 1 Load Selection
Press and hold the Load button for the load that you wish to configure.
The lights will dim down/up in a continuous cycle.
Step 2 Curve Selection
While continuing to press and hold the Load Button, Tap and release the Dimming Curve Button to select the correct curve for
the connected load type (see Curve/Load Types table below).
Each subsequent tap of the dimming curve button will cycle to the next curve. This will be indicated by the frequency at which the
yellow Dim Curve LED is blinking (see Curve/Load Types table below).
The Dimming Curve LED will blink according to load type below.
CURVE/LOAD TYPES
Dimming Curve Load Type
Curve 1 - 1 blink followed by a pause, then repeats. (Incandescent/MLV/LED/ELV/Neon/cold cathode)
Curve 2 - 2 blinks followed by a pause, then repeats. (2 wire fluor; Advance Mark X or equal)
Curve 3 - 3 blinks followed by a pause, then repeats. 3 wire Lutron (Fluorescent/LED driver)
Curve 4 - 4 blinks followed by a pause, then repeats. Low current LED/Incandescent lamps
NOTE: If you see flickering, pulsing, or any other anomaly with LED lamps when using curve 1, the load may not be meeting the minimum
load requirement of the LMRC. In this case, please use curve 4 which helps optimize cases where the minimum load is not met.
Step 3 Exit Dimming Curve Selection
To exit Dimming Curve Selection, simply release the Load Override Button.
Load On/Off/Dimming
Override Button
Load Status: Blue LED
Dimming Curve: Yellow LED
Red
LED
Config
Button
Dimming Curve Button
Button Selection Location and LEDs
PLUG N’ GO OPERATION (PNG)
Plug n’ Go supports the most energy efficient control strategy. For example, if at least two loads,
one switch and one occupancy sensor are connected to the DLM local network, the system
operates
Load A as Automatic ON, Automatic OFF and Load B as Manual-ON, Automatic-OFF.
See DLM device Quick Start Guides to determine how each device affects the PNG operation of
the LMRC-221.
Load Control Arbitration
To take full advantage of automatic PnG configuration, review these simple rules about load control
arbitration.
After the room controllers are connected to the DLM Local Network and powered up, they automatically
negotiate to determine which controller becomes the Master, and assigns the load numbers for each
load output on the DLM Local Network.
The Master is the controller with the highest serial number. The LMRC-221 has one load output.
In a DLM local network with only LMRC-221 room controllers, the LMRC-221 with the highest serial
number is the Master, carrying Load 1. The next highest serial number would have Load 2, and so forth.
0341373638
Serial
Number
Room
Controller
Load
Control
LMRC-221
2
0465567823
Master
0341373638
LMRC-221
1
0465567789
Blue LED ON when load is ON.
Load button:
Press & release for ON/OFF.
Press & hold to Dim.
Load
Button
Load A ON/OFF/Dim button
CAUTION: THE DIMMING CURVE MUST BE
SET FOR PROPER OPERATION.
800.879.8585
www.legrand.us/wattstopper
No. 24179 – 03/20 rev.2
© Copyright 2020 Legrand All Rights Reserved.
© Copyright 2020 Tous droits réservés Legrand.
© Copyright 2020 Legrand Todos los derechos reservados.
Wattstopper warranties its products to be free
of defects in materials and workmanship for a
period of five (5) years. There are no obligations
or liabilities on the part of Wattstopper for
consequential damages arising out of, or in
connection with, the use or performance of this
product or other indirect damages with respect
to loss of property, revenue or profit, or cost of
removal, installation or reinstallation.
Wattstopper garantit que ses produits sont
exempts de défauts de matériaux et de fabrication
pour une période de cinq (5) ans. Wattstopper
ne peut être tenu responsable de tout dommage
consécutif causé par ou lié à l’utilisation ou
à la performance de ce produit ou tout autre
dommage indirect lié à la perte de propriété, de
revenus, ou de profits, ou aux coûts d’enlèvement,
d’installation ou de réinstallation.
Wattstopper garantiza que sus productos
están libres de defectos en materiales y mano
de obra por un período de cinco (5) años. No
existen obligaciones ni responsabilidades por
parte de Wattstopper por daños consecuentes
que se deriven o estén relacionados con el
uso o el rendimiento de este producto u otros
daños indirectos con respecto a la pérdida
de propiedad, renta o ganancias, o al costo
de extracción, instalación o reinstalación.
WARRANTY INFORMATION INFORMATIONS RELATIVES À LA GARANTIE INFORMACIÓN DE LA GARANTÍA
UNIT ADJUSTMENT - PUSH N’ LEARN (PNL)
Load Selection Procedure
A configuration button (Config) allows access to our patented Push n’ Learn™ technology to change
binding relationships between sensors, switches, and loads.
Step 1 Enter Push n’ Learn
Press and hold the Config button (on any DLM device) for 3 seconds.
The red LED on the LMRC-221 begins to blink. When you release the button, the red LEDs on other
communicating devices connected to the DLM Local Network begin to blink. They continue to blink
until you exit PnL mode.
All loads in the room turn OFF immediately after entering PnL, then one load will turn ON. This is Load #1, which is bound to
Switch Button #1 and occupancy sensors as part of the Plug n’ Go factory default setting. All switch buttons and sensors that
are bound to this load have their blue LED solid ON.
Step 2 Load selection
Press and release the Config button to step through the loads connected to the DLM Local Network. As each load turns ON, note
the devices (switch buttons and sensors) that are showing a bright solid blue LED. These devices are currently bound to the load
that is ON. The blue LED on the room controller or plug load controller connected to the load is also lit.
• To unbind a switch or dimmer button from a load, press the switch button while its blue LED is ON bright. The blue LED goes
dim to indicate the button no longer controls the load that is currently ON.
• To unbind an occupancy sensor, press the up () or down () adjustment button while its blue LED is ON. The blue LED turns
OFF to indicate the sensor no longer controls the load that is currently ON.
Pressing the switch button or sensor up () or down () again while the load is ON rebinds the load to the button or sensor and
the blue LED illuminates brightly.
Step 3 Exit Push n’ Learn
Press and hold the Config button until the red LED turns OFF, approximately 3 seconds.
Config
Button
Cong button & red LED
TROUBLESHOOTING
LEDs on a switch or
sensor don’t light
1. Check to see that the the device is connected to the DLM Local Network.
2. Check for 24VDC input to the device: Plug in a different DLM device at the device location. If the
device does not power up, 24VDC is not present.
• Check the high voltage connections to the room controller and/or plug load controller(s).
• If high voltage connections are good and high voltage is present, recheck DLM Local Network
connections between the device and the room controller(s).
The wrong lights and plug
loads are controlled
1. Configure the switch buttons and sensors to control the desired loads using the Push n’ Learn
adjustment procedure.
LEDs turn ON and OFF
but load doesn’t switch
1. Make sure the DLM local network is not in PnL.
2. Check load connections to room controllers and/or plug load controllers.
Lamps do not dim, or
lamps drop out at low dim
levels
1. Make sure a compatible dimming ballast and rapid start sockets are installed per the ballast
manufacturer’s recommendation. Shunted sockets are typically not acceptable.
2. Check wiring per ballast manufacturer’s instructions.
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