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SINGLE POLE WIRING DIAGRAM

3-WAY WIRING DIAGRAM

Warnings

CAUTION!

This dimmer requires a neutral wire. If your electrical box 

does not have a neutral wire, you can either add one or 

install the dimmer at a different location.

The installation of this dimmer must be performed by a 

certified electrician and comply with the national and local 

electrical codes and regulations.

To reduce the risk of overheating and possible damage to 

another device, do not install to control an outlet, a motor 

or a transformer.

DM2550ZB

Installation Guide

Smart Adaptive 

Phase Dimmer

zigbee 3.0

YOUR SMART DIMMER DM2550ZB

INSTALL YOUR DIMMER

Press once to turn ON

the light. Hold down 

the button to increase

the intensity. Press twice 

to turn on the light 

at maximum intensity.

Press once to turn 

OFF the light. Hold down 

the button to decrease

the intensity.

Indicator light

Light turned ON =

 Blue

Light turned OFF =

 Amber

The indicator intensity can be changed from Neviweb 
and some compatible Zigbee gateways.

Make sure that the breaker for your switch 

is OFF at the main electrical panel then 

remove the old switch.

Use the provided screws to secure the 

dimmer to the electrical box. 

Then, place the wall plate.

1

2

Use the provided connectors to 

connect the wires as follows:

*Note:

 For a single pole installation, do 

not remove the label on the blue wire.

For a 3-way installation, see the 3-way 

wiring diagram section above.

3

Power up

the dimmer.

4

Red
Black

White

Blue

Load

Line

Neutral

None*

Make sure to firmly tighten the 

wire connectors for a secure 

connection. A loose 

connection can be a fire 

hazard. Special CO/ALR 

solderless connectors must be 

used when connecting with 

aluminum conductors.

Black (line)

Blue (3-way)

White (neutral)

Red (load)

Electrical

Panel

Load

DM2550ZB

Load

Line

Single Pole

switch

Electrical

Panel

DM2550ZB

Red (load)

Black (line)

Blue (3-way)

White (neutral)

Load

red

black

white

blue

load

line

Neutral

white

(

)

Neutral

(white)

line

load

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