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The pushbutton has to be mounted on a round or square

flush-mounting box with distance between fixing holes of

60 mm. If necessary, the metallic support for mounting

on the wall box can also be ordered separately using the

code EK-SMQ-71.

Note. Programming pushbutton and LED are ac-

cessible from the front side of the device. It is better

addressing the device before the final assembly of

rockers and frame. Once the addressing has been

performed, the device configuration can be later

downloaded without pressing the programming pu-

shbutton.

Mounting position

If the integrated sensor is used for temperature regulation

(EK-ED2-TP versions only), the device has to be installed

preferably lon an internal wall at the height of 1,5 m and

at least 0,3 m far from doors. The device can not be instal-

led close to heat sources such as radiators or houshold

appliances or in position subjected to direct sunlight. If

necessary, for the regulation can be used a weighted ave-

rage value between the value measured by the integrated

sensor and a value received via bus by another KNX de-

vice.

Use as a room temperature controller (EK-ED2-

TP versions only)

The pushbutton can be also used as a room temperature

controller for single-stage heating/cooling systems with

radiators, radiant panels and electrical heaters. As the de-

vice has no user interface, it must receive the operational

parameters by the bus (e.g. operating mode, seasonal

conduction mode or a change of the setpoint value).

Main functional characteristics (room temperature con-

troller)

• Temperature measuring through integrated sensor with

possibility of sending the value on the bus

• 2-point (on/off) or proportional (PWM or continuous)

room temperature regulation

• Seasonal conduction modes: heating and cooling with

possibility of changeover via bus or automatic depen-

ding on the configuration

• Operating modes: comfort, standby, economy and bu-

ilding protection with different setpoint for heating and

cooling

• Automatic switching of the operating modes triggered

by window opening/closing

• Weighted average of two temperature values

• Temperature control alarm

• Anti-locking function for valves (hydronic systems)

Switching, display and connection elements

The device is equipped with four mechanisms for

switching, four LEDs for each channel (EK-ED2-TP ver-

sione only), a programming LED and a programming pu-

shbutton (on some versions only) and a terminal block for

connection of the bus line.

min 0,3 m

1,50 m

Switching elements

• Pushbutton (7) for switching between the normal and

programming operating modes (on some versions only)

• One, two or four rockers (4) for independent switching

of single or group of loads

Display elements

• Red LED (8, on some versions only) for indication of

the active operating mode (on = programming, off =

normal operation)

• Freely programmable LED with lightguide (5) e.g. for

feedback status and orientation nightlight LED (for EK-

ED2-TP versions only).

1) Connection terminal block for KNX bus line

2) Product label

3) Adapter

4) Rocker (in the example: 30 x 30 mm square type)

5) LED-lightguide

6) Positioning of the temperature sensor

7) Programming pushbutton (on some versions only)

8) Programming LED (on some versions only)

Connection of the KNX bus line

The connection of the KNX bus line is made with the ter-

minal block (black/red) included in delivery and inserted

into the slot of the housing.

Characteristics of the KNX terminal block

• spring clamping of conductors

• 4 seats for conductors for each polarity

• terminal suitable for KNX bus cable with single-wire

conductors and diameter between 0.6 and 0.8 mm

• recommended wire stripping approx. 5 mm

• color codification: red = + (positive) bus conductor,

black = – (negative) bus conductor

Warning! The electrical connection of the device

can be carried out only by qualified personnel. The

incorrect installation may result in electric shock or

fire. Before making the electrical connections, make

sure the power supply has been turned off.