Jung KNX MBT 2424 Operating Instructions Manual

Signal panel

Signal panel

Art.-No.: MBT 2424

Operating instructions

1 Safety instructions

Electrical equipment may only be installed and fitted by electrically skilled persons.

Failure to observe the instructions may cause damage to the device and result in fire and
other hazards.

Do not use any sharp objects, acids or organic solvents for cleaning. Device can be
damaged.

Do not operate the device with sharp or pointed objects. The surface could be damaged.

These instructions are an integral part of the product, and must remain with the end
customer.

2 Device components

Figure 1: Front view

(1) Sensor areas with status LED
(2) Labelling with push-in labels
(3) Position of the programming LED
(4) Fastening screws, front plate

A suitable bit for the safety screw is included.

3 Function

System information

This device is a product of the KNX system and complies with the KNX directives. Detailed
technical knowledge obtained in KNX training courses is a prerequisite to proper
understanding.

The function of this device depends upon the software. Detailed information on loadable
software and attainable functionality as well as the software itself can be obtained from the
manufacturer´s product database. Planning, installation and commissioning of the device are
carried out with the aid of KNX-certified software. The latest versions of product database and
the technical descriptions are available on our website.

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Intended use

- Operating loads, e.g. light switching and dimming, controlling blinds/shutters, etc.

- Visualising switching states

- Concealed mounting in double appliance box - without centre bar - to DIN 49073

Product characteristics

- Push-button functions: switching, scanning, dimming, Venetian blind, value transmitter,

calling up modes, etc.

- High-quality glass surface with 24 buttons

- Operation through touching the sensor buttons

- Labelling with push-in labels

- Status indication with 24 LEDs; the colours red, green and blue can be configured

- Acoustic signal display, e.g. for button press

- Fault message on dismantling

- Logic and time functions

- Integrated bus coupling unit

- Supply via separate power supply (accessory) or the auxiliary voltage output of the KNX

power supply

4 Operation

Operating a function or load

Each sensor area has a function assigned to it. Operation is carried out by pressing the sensor
areas and depends on the specific function.

o Switch: Short press on sensor area.
o Dim: Long press on the sensor area. The dimming process ends when the sensor area is

released.

o Move Venetian blind: Long press on sensor area.
o Stop or adjust Venetian blind: Short press on sensor area.
o Call up light scene: Short press on sensor area.
o Save light scene: Long press on sensor area.
o Set value, e.g. brightness or temperature setpoint: Short press on sensor area.

Cleaning the surface

o Clean the glass surface with a soft cloth. If needed, moisten the cleaning cloth.
i Do not use sharp objects for cleaning.
i Do not use sharp cleaning agents, acids or organic solvents.
i Keep moisture from penetrating into the device.

5 Information for electrically skilled persons

5.1 Fitting and electrical connection

DANGER!
Electrical shock on contact with live parts in the installation environment.
Electrical shocks can be fatal.
Before working on the device, disconnect the power supply and cover up live

parts in the working environment.

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Mounting and connecting the device

Figure 2: Installation – Overview

Figure 3: Rear view

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