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ABB

Menu

Description

Settings

Allows to view and eventually 

modify the general operation 

settings as indicated in point 

8.Settings

.

Program

Allows to create a new 

program, check created 

programs, change or delete 

a created program, copy all 

created programs of channel 

1 on channel 2 and vice versa. 

Bluetooth

Allows to enable or disable 

the Bluetooth interface and 

to change the password 

used to associate devices

Hour counter 

Allows to display the hours 

of usage (relay on) of 

connected load(s).

Twilight

Allows to set the operating 

parameters of the external 

probe

Reset

Allows to restore the initial 

state of the device

Firmware menu

Shows the firmware installed 

in the device

Description

1

Information messages: day of the 

week, or product identification code 

and serial number, or battery status.

2

Date

3

Relay 1 status (ON/OFF)

4

Hour

5

Day of the week

If the DWTL1 switch is not powered 

from the mains, the information 

messages will show the text: 

5.2.Setting language

5.First commissioning

5.1.Access the menu

Contact us

ABB S.p.A.

Electrification Business

Viale dell’Industria, 18

20010 Vittuone (MI) Italy

https://new.abb.com/low-voltage

Avvertenza! Fare installare solo da 

un elettricista qualificato.

Warning! Installation by person 

with electrotechnical expertise only. 

Warnung! Installation nur durch 

elektrotechnische Fachkraft.

QR Code for online User 

Manual. 

© Copyright 2020 ABB S.p.A. All rights 

reserved. Specification subject to change 

without notice.

1.Packaging Content

•  Astronomical digital time switch DWTL1
•  Installation manual

2.Mounting

2.1.Dimensions (mm)

2.2.Mounting

2.3.Wiring diagram

DWTL1: 1 channel

out

4.Display description

Description

1

General indications

2

Time indication

3

Channel 1 status indication 

On

/

OFF

 Active manual program

 +   Blocked switchings

 +   Active random switchings

 + 

On

/

OFF 

(flashing): active cycle 

switchings

 Active holiday program

 Active pulse program

4

Day of the week (DAY) indication

Button

Function

Turn on the display

Access the menu

ESC (one level back)
Decrease datum

Previous menu

Switching channel 1

Lock channel 1
Increase datum

Next menu

Switching channel 2

Lock channel 2

Confirm selection

Hardware reset

 + 

 

3 sec

Random switching channel 1

 + 

3 sec

Active cycle switching on 

channel 1

Digital weekly twilight time switch

INSTALLATION MANUAL

DWTL1

3.Access to device

7.Menu description

6.Initial page

Setting

Description

Date

Format: DD/MM/YY
1st day of the week: Monday

Astronomical 

coordinates

Country: France 
City: Paris
Latitude: North (48° 51’ 36’’)
Longitude: East (2° 21’ 00”)

Daylight saving 

time (DST) 

change: active

Start of daylight saving 

time (DST): last Sunday of 

March at 02:00 o’clock
End of daylight saving 

time (DST): last Sunday of 

October at 03:00 o’clock

Time 

correction:

Sunrise : +0:00
Sunset : + 0:00

Time zone:

+1:00 UTC

Parameters of 

the twilight 

probe

Threshold: 100 lux
Hysteresis: 10 lux
Delay:1 1 second

Random 

switchings:

Minimum: 1 minute
Maximum: 5 minutes

Cycle switching

-ON duration: 1 minute
-OFF duration: 1 minute

PIN protection:

Disabled (---)

Bluetooth

Disabled  

(Password: 000000)

5.3.Standard settings

To activate Bluetooth interface, 

password must be set different from 

000000 in the Bluetooth menu.

9.“DBT Timer” app download

Connect the Smartphone to a time switch:

1.  Activate Bluetooth on the digital time switch;

2.  Activate Bluetooth on the Smartphone;

3.  To associate a new device, press the symbol in 

the upper right corner on the App;

4.  Select the device from the list;

5.  Insert the password to pair the device (default 

password must be changed).

With the APP it is possible to:

•  Create new program 

•  Change settings

•  View parameters and create give a name to the 

device

•  Manually control the relay output(s) and activate 

the random and cyclic function

1

2

3

4

5

1

3

4

2

C1

C2

1

1

2

C1

C2

1

3 sec

2

3

C1

C2

C1

C2

1

C1

C2

C1

C2

2

Setting

Description

Language

Language setting.

Date

Date settings.

Time

Hour, minute and time zone 

setting.

Daylight 

saving time 

Daylight saving time (DST) 

and winter time (CET) 

automatic setting.

Astronomical 

coordinates

Setting of geographical 

coordinates of the 

installation place.

Random 

switchings 

setting

It allows to set the minimum 

and maximum random 

switching duration of the 

channel where it is activated.

Cyclic function 

setting

It allows to set the minimum 

and maximum switching 

cycle of the channel where it 

is activated

Protection PIN

The protection code is 

used to lock the keyboard 

and prevent changes by 

unauthorized persons 

8.Settings

C1

C2

1

C1

C2

C1

C2

2

Summary of Contents for DWTL1

Page 1: ...ABB Digital weekly twilight time switch INSTALLATION MANUAL DWTL1 ...

Page 2: ...35 87 65 1 Packaging Content Astronomical digital time switch DWTL1 Installation manual 2 Mounting 2 1 Dimensions mm 2 2 Mounting 2 3 Wiring diagram DWTL1 1 channel out 1 2 ...

Page 3: ...gs Active holiday program Active pulse program 4 Day of the week DAY indication Button Function Turn on the display Access the menu ESC one level back Decrease datum Previous menu Switching channel 1 Lock channel 1 Increase datum Next menu Switching channel 2 Lock channel 2 Confirm selection Hardware reset 3 sec Random switching channel 1 3 sec Active cycle switching on channel 1 3 Access to devic...

Page 4: ... 51 36 Longitude East 2 21 00 Daylight saving time DST change active Start of daylight saving time DST last Sunday of March at 02 00 o clock End of daylight saving time DST last Sunday of October at 03 00 o clock Time correction Sunrise 0 00 Sunset 0 00 Time zone 1 00 UTC Parameters of the twilight probe Threshold 100 lux Hysteresis 10 lux Delay 1 1 second Random switchings Minimum 1 minute Maximu...

Page 5: ...new device press the symbol in the upper right corner on the App 4 Select the device from the list 5 Insert the password to pair the device default password must be changed With the APP it is possible to Create new program Change settings View parameters and create give a name to the device Manually control the relay output s and activate the random and cyclic function C1 C2 1 C1 C2 C1 C2 2 Settin...

Page 6: ...ogram of Monday begins and ends before the beginning of the weekly program Instead the daily program of Sunday is carried out because it s the only one running for that day 13 Programs priority The priority programs defines how DWTL1 manages the case in which programs with different period are running at the same time 1 indicates higher priority Program Date Weekly Daily Holiday 1 Pulse 2 On Off 3...

Page 7: ...ween accessible parts front and all the other terminals Hereby ABB S p A declares that the radio equipments type DWTL1 is in compliance with Directive 2014 53 EU The full text of the EU declaration of conformity is available at the following internet address DWTL1 documentation 14 Technical data Programmable twilight operation with switching on when the brightness falls below the threshold and onl...

Page 8: ...with high voltage is potentially lethal Persons subjected to high voltage may suffer cardiac arrest burn injuries or other severe injuries To avoid such injuries make sure to disconnect the power supply before you start the installation Electrical equipment should only be installed accessed serviced and main tained by qualified electrical personnel Warning For safety reasons it is recommended that...

Page 9: ...w abb com low voltage Avvertenza Fare installare solo da un elettricista qualificato Warning Installation by person with electrotechnical expertise only Warnung Installation nur durch elektrotechnische Fachkraft QR Code for online User Manual Copyright 2020 ABB S p A All rights reserved Specification subject to change without notice ...

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