1 2 3 4
65 7 8
An iOS (Version 12.0 or later) or Android (Version
8.0 or later) mobile device.
NOTE: Make sure Wi-Fi and Bluetooth are enabled
on your mobile device.
A My Leviton cloud account
(set up through the My Leviton app).
A 2.4GHz Wi-Fi network with high-speed internet.
Installation requires electrical knowledge.
If you are unsure of any steps, consult an electrician.
At a glance
Features Before you installMotion Sensing
What you need to make
it work:
Your Motion Dimmer
works with:
Leviton’s Decora Smart Wi-Fi 2nd Gen Motion Sensing
Dimmer makes it easy and convenient to control
lighting in your home automatically, with ON/OFF,
Dim/Bright control, and built-in motion and ambient
light detection.
To save energy, the dimmer
can be set to turn lights on
when motion is detected, and
to turn lights off when the
room is unoccupied. You can
also have the lights come on
at a lower level at night or
utilize the guidelight feature
to illuminate your way in the
dark. You can even use the
Motion Dimmer to control
multiple Decora Smart devices
in a room together, based on
occupancy, with the
My Leviton app.
Control lighting how you want with built-in sensing.
Use your voice with Amazon Alexa, Google Assistant,
or Apple Siri, or use the My Leviton app, even when
you are away from home.
• Dimmable LED, dimmable CFL,
incandescent, and MLV lighting.
• For ON/OFF control of non-dimmable
bulbs, such as fluorescent loads, select
“Non-dimmable” bulb type in the My
Leviton app, under device settings.
•
Do not use your dimmer with electronic
low-voltage or motor loads.
• This device responds to temperature changes;
do not mount directly above a heat source or in a
location where hot or cold drafts will blow directly
on the sensor.
•
For compatible LED bulbs, go to: leviton.com/LED
RATINGS
General Use 120VAC, 60Hz
LED / CFL
300W
Incandescent 450W
MLV 450VA
Operating Temperature 0°C - 40°C (32°F - 104°F)
Operating Humidity 10% - 90% non-condensing
Storage Temperature Range -10°C – 85°C
NETWORK
Wi-Fi
802.11 b/g/n netw
orks -
2.4GHz only
Security
WPA, WPA2, or WPA3 security,
or open
Bluetooth v5.0
MY LEVITON APP
iOS version 12.0 or later
Andr
oid version 8.0 or later
Guidelight
• Enable in the app to turn on
a guidelight at night instead
of the room lights when
motion is detected.
Air gap switch
•
This feature will
stop power to the
dimmer. Gently
pull out the tab to
remove power to the
dimmer and lights.
After servicing is
complete, push
back in for normal
operation.
PIR Motion Sensor
• Detects motion to determine
occupancy status.
• Optional Red LED feedback
to indicate motion is
detected (configurable in
the My Leviton app).
Brightness
indicator lights
•
Displays light level
when adjusting
brightness.
Status LED
• Provides
connectivity and
device status
feedback.
• Illuminates when
the lights are OFF
so you can find the
dimmer in the dark
(configurable in the
My Leviton app).
Check your wall box:
1. Remove wallplate and disconnect existing switch.
2. Restore power. Carefully test wires with voltage
tester to find the Line (Hot) wire.
3. Turn off power at the circuit breaker.
4. Mark the wires as shown below. Please note Neutral
wires are required to operate this device.
Quick tip: Neutral wires are typically white and will
be found bundled inside the electrical box.
Identify your wires
Welcome
Things to consider:
To control the motion dimmer from more than one
location, such as in a 3-way or multi-way, you will
need either a wired DD00R or DD0SR Companion
device, or a wire-free DAWDC or DAWSC Anywhere
Companion device (see page 14).
Learn more about Companion devices and find
connection instructions at
leviton.com/decorasmart
.
If your wall box looks different,
call an electrician.
WARNING: TO AVOID FIRE, SHOCK, OR DEATH, turn
off power at the circuit breaker.
Easy Wi-Fi lighting
control for the
whole home
CHAT
www.leviton.com/support
CALL
1-800-824-3005 (USA)
1-800-405-5320 (Canada)
ONLINE
decorasmartsupport.leviton.com
EMAIL
We are here to help
GROUND
GROUND
NEUTRAL
LOAD
LOAD
LINE
LINE
To Light
To Light
From
From
Branch Circuit
Branch Circuit
DI-000-D2MSD-02A
Getting Started Guide
Cat. No. D2MSD
MOTION SENSING DIMMER
2
ND
GEN
• Not for use with aluminum wire.
• Installation in metal wall boxes or
with metal wall plates may result in
poor RF performance.
Leviton Manufacturing Co., Inc.
201 North Service Road, Melville, NY 11747
© 2022 Leviton Manufacturing Co., Inc. All rights reserved.
Specifications subject to change at any time without notice.
FCC COMPLIANCE STATEMENT
The enclosed device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions: (i.) This device may not cause harmful interference (ii.)
This device must accept any interference received, including interference that may
cause undesired operation. Any changes or modifications not expressly approved by
Leviton could void the user’s authority to operate this equipment. 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:
• Reorient or relocate the receiving antenna.
• Connect the equipment into an outlet on a circuit different from that to which the
r
eceiver is connected.
• Increase the separation between the equipment and receiver.
• Consult the dealer or an experienced radio/TV technician for help.
FC
C CAUTION
Any changes or modifications not expressly approved by Leviton Manufacturing Co.,
Inc., could void the user’s authority to operate the equipment.
RF EXPOSURE AND CO-LOCATION
To comply with FCC OET Bulletin 65 and ISED RF exposure limits for general population
and uncontrolled exposure, this device shall be installed and operated with a minimum
distance of 7.9 inches (20 cm) between the radiator and your body. Also, must not be
co-located or operated in conjunction with any other antenna or transmitter.
Copyright and Trademark Information
Decora and Decora Smart are the registered trademarks of Leviton Manufacturing Co.,
Inc., registered in the U.S., Canada, Mexico and China.
Google and Google Play are trademarks of Google LLC. Alexa, and related logos are
trademarks of Amazon.com, Inc. or its affiliates. Apple
®
, HomeKit
®
, and Siri
®
are
trademarks of Apple Inc., registered in the U.S. and other countries.
Use of the Works with Apple badge means that an accessory has been designed to
work specifically with the technology identified in the badge and has been certified by
the developer to meet Apple performance standards. Apple is not responsible for the
operation of this device or its compliance with safety and regulatory standards.
Use herein of other third party trademarks, service marks, trade names, brand names
and/or product names are for informational purposes only, are/may be the trademarks
of their respective owners; such use is not meant to imply affiliation, sponsorship, or
endorsement. No part of this document may be reproduced, transmitted or transcribed
without the express written permission of Leviton Manufacturing Co., Inc.
Patents covering this product, if any, can be found on Leviton.com/patents.
IC STATEMENT
This device complies with 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 of the device.
FCC SUPPLIER’S DECLARATION OF CONFORMITY
Model D2MSD Wi-Fi Motion Sensing Dimmer is manufactured by Leviton
Manufacturing Co., Inc. 201 N. Service Road, Melville, NY 11747. www.leviton.com
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
• For indoor use only.
• Hands-free; automatically turns lights ON/OFF
when motion is detected.
• Voice control works with Hey Google, Amazon
Alexa, or Apple Siri.
• Easy app-based configuration of motion sensor
settings and modes.
•
Allows other connected Decora Smart Wi-Fi devices
in a room to be activated based on room occupancy.
• Supports 3-Way/Multi-location with Wired
Companions and Wireless Anywhere
Companions.
• Use the app to enable a Guidelight, that turns
ON when motion is detected at night, to
illuminate your way in the dark.
• Advanced settings for:
• Fade rates
• Pre-set light level or Return to last level
• Minimum dim / Maximum brightness
• Bulb types including non-dimmable loads
Ambient Light
Sensor
•
Detects amount of
ambient light in the
space.
Dim/bright bar
•
Manually adjust light
levels.
ON / OFF Button
• Press to toggle the lights
ON or OFF
.
OFF means OFF
• Ensures low-wattage LED
bulbs always turn OFF.
For more information and features, visit:
leviton.com/decorasmart.
• The D2MSD’s PIR Motion Sensor has a 180° field-of-
view, with a maximum sensor coverage area of 900
sq. ft. (30 x 30 ft).
• Motion Sensor Calibration: can be used in the My
Leviton app to test the Motion Sensor’s coverage
area, customize the sensor sensitivity, and enable
ambient light settings.
Sensor modes can be configured under device
settings in the My Leviton app:
• Occupancy Mode: will automatically turn lights on
when motion is detected, and will turn lights off
when no motion is detected.
• Vacancy Mode*: requires you to manually turn
lights on, but will still turn the lights off when no
motion is detected.
• Guidelight: can be enabled to turn on at night and
softly illuminate a space when motion is detected,
instead of turning on the room lights.
* Pro Tip: Vacancy mode can be used to comply
with 2019 Title 24, Part 6 Vacancy Control Device
Requirements.
15 FT.
10 FT.
Horizontal field of view
10 FT.
15 FT.
20 FT.
30 FT.
Wall
Floor
20 FT. 30 FT.
Vertical field of view
2
Minor motion coverage 400 ft
2
Major motion coverage 900 ft
NOTE: Device should be installed on the wall, 40-48
inches above the floor.
See the complete line of My Leviton
TM
app compatible
dimmers, switches, plug-ins, and controllers at:
leviton.com/decorasmart
WEB VERSION
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