EN
USER AND SAFETY GUIDE
SHELLY PLUS WALL DIMMER
Read before use
This document contains important technical and safety information about the de-
vice, its safety use and installation.
⚠CAUTION! Before beginning the installation, please read carefully and entirely this
guide and any other documents accompanying the device. Failure to follow the instal-
lation procedures could lead to malfunction, danger to your health and life, violation of
law or refusal of legal and/or commercial guarantee (if any). Allterco Robotics EOOD
is not responsible for any loss or damage in case of incorrect installation or improper
operation of this device due to failure of following the user and safety instructions
in this guide.
Product Introduction
Shelly® is a line of innovative microprocessor-managed devices, which allow re-
mote control of electric circuits through a mobile phone, tablet, PC, or home auto-
mation system. Shelly® devices can work standalone in a local Wi-Fi network or
they can also be operated through cloud home automation services. Shelly Cloud
is a service that can be accessed using either Android or iOS mobile application,
or with any internet browser at https://home.shelly.cloud/. Shelly® devices can
be accessed, controlled and monitored remotely from any place where the user
has internet connectivity, as long as the devices are connected to a Wi-Fi router
and the Internet. Shelly® devices have Embedded Web Interface accessible at
http://192.168.33.1 when connected directly to the device access point, or at the
device IP address on the local Wi-Fi network. The embedded Web Interface can be
used to monitor and control the device, as well as adjust its settings.
Shelly® devices can communicate directly with other Wi-Fi devices through HTTP
protocol. An API is provided by Allterco Robotics EOOD. For more information,
please visit:
https://shelly-api-docs.shelly.cloud/#shelly-family-overview.
Shelly® devices are delivered with factory-installed rmware. If rmware updates
are necessary to keep the devices in conformity, including security updates, Allterco
Robotics EOOD will provide the updates free of charge through the device Embed-
ded Web Interface or the Shelly mobile application, where the information about the
current rmware version is available. The choice to install or not the device rmware
updates is the user’s sole responsibility. Allterco Robotics EOOD shall not be liable
for any lack of conformity of the device caused by failure of the user to install the
provided updates in a timely manner.
Wiring diagram
Slider with
brightnes indicator
Removable
face plate
Power button with
power and
Wi-Fi indicators
Out To the load
From the mains
Neutral
Live
Ground
Shelly Plus Wall Dimmer Wall box
Installation Instructions
⚠CAUTION! Danger of electrocution. Mounting/installation of the Device to the
power grid has to be performed with caution, by a qualied electrician.
⚠CAUTION! Danger of electrocution. Every change in the connections has to be
done after ensuring there is no voltage present at the Device terminals.
⚠CAUTION! Use the Device only with a power grid and appliances which comply
with all applicable regulations. A short circuit in the power grid or any appliance con-
nected to the Device may damage it.
⚠CAUTION! Do not connect the Device to appliances exceeding the given max load!
⚠CAUTION! Connect the Device only in the way shown in these instructions. Any
other method could cause damage and/or injury.
⚠CAUTION! Do not install the Device where it can get wet.
⚠RECOMMENDATION: Connect the Device using solid single-core cables with in-
creased insulation heat resistance not less than PVC T105°C (221°F).
Before starting the mounting/installation of the Device, check that the breakers are
turned off and there is no voltage on their terminals. This can be done with a phase
tester or multimeter. When you are sure that there is no voltage, you can proceed to
connecting the cables.
1. Verify that the circuit breaker is turned off and no voltage is present on its output
terminals.
2. Remove the existing light switch wall plate and light switch.
3. Make sure that a neutral wire is present in the gang box. If neutral is present, dis-
connect the existing light switch, making note of the line and load wires.
4. Connect the following wires from the Shelly Plus Wall Dimmer Switch to your
circuit:
• Green wire connects to the Ground wire.
• White wire connects to the Neutral wire.
• Black wire connects to the incoming Live wire.
• Red wire connects to the load wire.
5. Fix rmly the Shelly Plus Wall Dimmer to the gang box with the included screws.
6. Install the new wall plate.
7. Turn on the circuit breaker.
8. Press the power button. The power indicator will turn white, and the brightness
indicators will display a vertical bar of illuminated dots.
Operation
1. Switch the lights on or off by pressing the power button.
2. Swipe your nger up or down the slider to adjust the brightness of the lights. The
brightness indicator will display the current status with a vertical bar of illuminat-
ed dots. The highest of the dots stays illuminated after the lights are switched off.
Initial Inclusion
If you choose to use the Device with the Shelly Cloud mobile application and Shelly
Cloud service, instructions on how to connect the Device to the Cloud and control it
can be found at kb.shelly.cloud/knowledge-base/application-guide
The Shelly mobile application and Shelly Cloud service are not not conditions for
the Device to function properly. This Device can be used standalone or with various
other home automation platforms and protocols.
⚠CAUTION! Do not allow children to play with the buttons/switches connected to
the Device. Keep the devices for remote control of Shelly (mobile phones, tablets,
PCs) away from children.
LED indication
Power button LED indication:
• Blue Wi-Fi LED¹ while lights are turned off:
- Flashing when AP (Access Point) is enabled and Wi-Fi is disabled.
- Flashing slower when Wi-Fi is enabled, but not connected.
- Constantly on when Wi-Fi is connected and Cloud is disabled or Cloud is con-
nected.
- Flashing very slow when Wi-Fi is connected and Cloud is enabled, but not con-
nected.
- Flashing quickly when OTA (Over-The-Air) update is in progress.
• White Power LED² while lights are turned on:
- Flashing when AP is enabled and Wi-Fi is disabled.
- Flashing slower when Wi-Fi is enabled, but not connected.
- Constantly on when Wi-Fi is connected and Cloud is disabled or Cloud is con-
nected.
- Flashing very slow whe Wi-Fi is connected and Cloud is enabled, but not con-
nected.
- Flashing quickly when OTA update is in progress.
Brightness LED indication:
• When the lights are turned off a single white dot is lit, indicating the brightness
level before the lights have been turned off.
• When the lights are turned on a vertical bar of white dots is lit, indicating the
brightness level.
¹ Blue Wi-Fi LED can be enabled (default) or disabled by the user.
² White Power LED can be set by the user to: match the Device output (default), invert
the Device output, to be always ON, or to be always OFF.
Power button
• Press to turn on or off the lights
• Press and hold for 5 sec to activate Device AP
• Press and hold for 10 sec to factory reset the Device
Specication
• Dimensions (HxWxD):
- 104x44x39 ±0.5 mm / 4.09 x 1.73 x 1.50 ±0.02 in (without face plate )
- 120x70x39 ±0.5 mm / 4.72 x 2.76 x 1.50 ±0.02 in (with face plate)
• Mounting: Wall box
• Ambient temperature: from -20 °C to 40 °C / from -5 °F to 105 °F
• Humidity 30 % to 70 % RH
• Max. altitude 2000 m / 6562 ft
• Power supply: 100 - 120 VAC, 50/60 Hz
• Electrical consumption: < 3 W
• Radio frequency: 2.4 GHz (Max. 2495 MHz)
• Max. RF power: < 20 dBm
• Wi-Fi protocol: 802.11 b/g/n
• Wi-Fi operational range (depending on local conditions):
- up to 50 m / 160 ft outdoors
- up to 30 m / 100 ft indoors
• CPU: ESP32
• Flash: 4 MB
• Schedules: 20
• Webhooks (URL actions): 20 with 5 URLs per hook
• Scripting: mJS
• MQTT: Yes
Disposal & Recycling
This refers to the waste of electrical and electronic equipment. It is applica- ! the US
and other countries to collect waste separately.
This symbol on the product or in the accompanying literature indicates that
the product should not be disposed of in the daily waste.
Shelly Plus Wall Dimmer must be recycled to avoid possible damage to the
environment or human health from uncontrolled waste disposal and to promote the
reuse of materials and resources. It is your responsibility to dispose of the device
separately from general household waste when it is already unusable.
FCC Notes
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.
The manufacturer is not responsible for any radio or TV interference caused by un-
authorized modication or change to this equipment. Such modications or change
could void the user’s authority to operate the 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 installa-
tion. 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 interfer-
ence 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.
• 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.
• Consult the dealer or an experienced radio/TV technician for help.
RF exposure statement:
This equipment complies with FCC radiation exposure limits set forth for an un-
controlled environment. The device has been evaluated to meet general RF expo-
sure requirement. The device can be used in portable exposure condition without
restriction.
Manufacturer: Allterco Robotics EOOD
Address: 103 Cherni vrah Blvd., 1407 Soa, Bulgaria
Tel.: +359 2 988 7435
E-mail: support@shelly.cloud
Ocial website: https://www.shelly.cloud
Changes in the contact information data are published by the Manufacturer on the
ocial website.
All rights to the trademark Shelly® and other intellectual rights associated with this
Device belong to Allterco Robotics EOOD.
45/2022
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