Ubiquiti mFi-LD User manual
In-Wall Manageable
Switch/Dimmer
Model: mFi-LD
Introduction
Thank you for purchasing the Ubiquiti Networks™ mFi®Switch,
model mFi-LD. The mFi Switch is a capacitive touch switch that
can be configured as an on/off switch or a light dimmer. It is
designed for integration with the mFiController software for
energy monitoring and configuration via Wi-Fi.
This Quick Start Guide is designed to guide you through
the hardware installation and software configuration. The
warranty terms are also included in this Quick Start Guide. For
details on using the mFi Controller or to download the mFi
Controller software, visit www.ubnt.com/mfi
Package Contents
mFi Switch Wall Plate
In-WallManageable
Switch/Dimmer
Model:mFi-LD
Wire Nuts
(Qty. 4)
Quick Start Guide
TERMS OF USE: It is the customer’s responsibility to follow local country regulations, including
operation within legal frequency channels, output power, indoor cabling requirements, and
Dynamic Frequency Selection (DFS) requirements.
Installation Requirements
•Phillips screwdriver
•Wire stripper/cutter
•Needle-nose pliers (Optional)
IMPORTANT: The mFi Switch is to be installed by
a qualified electrician in accordance with local
electrical codes and regulations.
WARNING: TO AVOID FIRE, SHOCK OR DEATH; turn off
power at the circuit breaker or fuse before installing.
Wiring Overview
Hot (Black)
Ground (Green)
Load (Red)
Neutral (White)
120V, 60 Hz
* Only use incandescent, halogen, dimmable CFL, or
dimmable LED lamps when the mFi Switch is configured
as a light dimmer. Maximum Load is 5A in Dimmer mode.
*
Hardware Overview
Initialize
Button
Air Gap
Switch
Status LED
Wall Plate Mounting Slots
Interface Description
LED
The Status LED has four primary states:
•Solid yellow When first powered on in
factory default mode.
•Flashing yellow Connecting to a Wi-Fi
network.
•Solid blue Successfully connected to mFi
Controller.
•Flashing blue Connecting to mFi Controller.
INIT
Initialize Button Restores to factory default
settings. Press and hold until the LED alternates
colors to restore the device.
POWER
Air Gap Switch Disconnects power and resets
the device. Pull the Air Gap Switch out to
disconnect power and push the switch back in
to restore power.
When configured as a light dimmer, disconnect
power before replacing bulbs.
Hardware Installation
1. Turn off power at the circuit breaker or fuse panel, and
verify that the power is off.
2. Identify and label the wiring in the wall box. There should
be three wires and a ground wire. If there is no Neutral wire,
run a new circuit containing a Neutral line.
Hot
Load
Neutral
Ground
Electrical Switch Wall Box
Note: Wiring colors may be different from the
illustration. Be sure to verify the wiring before
continuing.
3. Prepare the wiring in the wall box by stripping away
12mm(½") of insulation from the end of each wire.
12 mm (½")
4. Connect the mFi Switch wires to the wall box wires and
secure each connection with a Wire Nut.
a. Connect the Red wire of the mFi Switch to the Load wire
of the wall box.
b. Connect the White wire of the mFi Switch to the Neutral
wire of the wall box.
c. Connect the Black wire of the mFi Switch to the Hot
wire of the wall box.
d. Connect the Green wire of the mFi Switch to the Ground
wire of the wall box.
Note: Orient the mFi Switch with the LED located
at the bottom.
*720-00077-01*
720-00077-01
5. Bend and form the wires to fit into the wall box. Ensure the
wires are properly positioned to allow adequate room for
the mFi Switch.
6. Place the mFi Switch inside the wall box and ensure the
yoke is mounted flush with the wall for proper fitting of the
Wall Plate. Secure the mFi Switch with the two screws.
Note: Do not over-tighten or rely on the force of
the screws to pull the mFi Switch into the wall
box. If the wall box does not have enough room
to accommodate the mFi Switch and the wiring,
replace the wall box with a deeper or wider box.
7. Mount the Wall Plate by aligning the mounting clips with
the Wall Plate Mounting Slots on the mFi Switch. Press the
Wall Plate into position until the mounting clips snap into
place. If you are using your own wall plate, secure it with
two screws.
8. Turn on power at the circuit breaker or fuse panel.
Configuring the mFi Switch via Wi-Fi
To configure the mFi Switch, you must access it via Wi-Fi from a
computer. The mFi Switch has a default SSID (wireless network
name) labeled mFi followed by the last six characters of the
MAC address.
Windows
1. Go to Connect to Network.
- Windows 8 Click the Network icon.
- Windows 7 Right-click the Network icon.
- Windows Vista Go to Start > Connect To.
- Windows XP Right-click the Wireless Network
icon in the System Tray (lower right corner of the
screen). Click View Available Wireless Networks.
2. Select the wireless network (SSID) that begins with mFi
and then click Connect. Go to Accessing the Configuration
Portal.
Mac
1. Click the AirPort icon in the menu bar (top right side of
the screen).
2. Select the wireless network (SSID) that begins with mFi.
Once connected, the AirPort icon will change from gray
to solid black.
Accessing the Configuration Portal
1. Launch your web browser. Type https://192.168.2.20 in
the address field. Press enter (PC) or return (Mac).
2. You may receive a security certificate warning. Click
Proceed Anyway.
3. The Configuration Portal will appear. Select the wireless
network name (SSID) of your existing wireless network
from the drop-down list. To refresh the list, click the blue
arrows on the right.
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