Jung RCD 20 series User manual

KNX Room Controller Universal

Ref.-no.: RCD 20xx

Operating Instructions

Room Controller Universal

1. System information

This unit is a product of the KNX/EIB-System and corresponds to the

EIBA Guidelines. Detailed technical knowledge acquired in KNX training

courses is a prerequisite for the understanding of the system. The

functions of the device are software-dependent. Planning, installation and

commissioning of the device are effected with the help of EIBA-certified

software (ETS 2 version 1.2a or 1.3 or ETS3). For the RCD-software and

technical descriptions please refer to the internet at www.jung.de offering

up-to-date information.

2. Funktion

The KNX/EIB room controller RCD 20xx combines the functionality of an

universal push button and a room temperature sensor. Beside it the

device indicates the status and the parameter of the continuous action

regulator and is equipped with a fan coil application. The actual fan coil

status is also indicated on the illuminated LCD.

Functional range of the push button part

Each button can be programmed separately:

switching • toggling • dimming (single level or two level dimming) •

shutter/blind control (single level or two level control) • value transmitter •

Brightness value transmitter (0 - 1500 Lux) • Light mood recall with and

without memory • Saving light mood • presence push-button for

thermostat • Set temperature offset adjustment • fan levels • block

function • Status LED for each push button with separate objects

Functional range of the temperature sensor part

The temperature sensor is used to control single room temperature. It is

possible to choose a steady control or a two step control application to

control an KNX/EIB switching or heating actor in connection with an

electrothermic device.

Depending on settings of continuous PI control, switching PI control, two

step control or switching two step control • heating and/or cooling with

manual or automatic switching and collective or parted actor outputs

possible two step heating and cooling operation • five operation modes

with the respective set value • comfort extension or operation mode

changes through presence push button • freeze/heating protection •

Stand: Apr-08 825 548 03

KNX Room Controller Universal

Ref.-no.: RCD 20xx

temperature drop detection • external controlled objects for comfort

mode, freeze and heat protection and control lock-out • control status, set

value and actual value through KNX/EIB accessible • set value

adjustment of max. ± 6 K through push button and software possible •

lock-out of the control elements to protect against unauthorised

adjustments

3. Installation

Attention! Electrical equipment must be installed and fitted only by

qualified electricians and in observance of the applicable accident

prevention regulations. Any non-observance of the fitting

instructions may cause fire or other hazards.

4. Connection and mounting of the RCD 20xx

The RCD has an integrated bus coupling unit. It is connected with a bus

terminal connection block (2).

•1.Metal plate (1) to be mounted on one or two vertically arranged

wall boxes. When using only one box, the lower part has to be

screwed via the fixing holes (10).

•Attach the frame (3) to the RCD.

•Connect the bus terminal (2) at the back side.

•Attach the RCD (4) and frame (3) on the metal plate (1). Notice:

Do not pen in the terminal wires.

•Screw on the fixing screw (8).

•Remove the protection foil (5) from the display.

•Put on the transparent cover (7) with the inscription foil (6) to the

RCD.

The programming mode is activated by pushing the programming button

(9).

Note: Do not mount the device next to heat sources due to the influence

of the integrated temperature sensor.

KNX Room Controller Universal

Ref.-no.: RCD 20xx

5. Operation

The room controller has two operation modes.

Operation level 1

In operation level 1 all push buttons have the parameterised function. The

LCD can display either the actual temperature, the actual set temperature

of the continuous action regulator, the actual time, the actual date and an

external value (integral EIS5-value).

In the default setting, the push button on the left

and right side of the display

serve the presence and the

set-temperature adjustment.

According to the needs, the default setting can be changed to the full

function of an universal push button.

Switching-over between

comfort-temperature

and

standby-temperature

Adjusting the comfort-temperature:

Left push-button: lower the comfort-temperature

Right push-button: raise the comfort-temperature

Operation level 2

Via long push button action

(> 3s) of push button 1+2 the device

switches over to the 2nd operation level.

In this operation level the set-values of

the continuous regulator and the contrast

of the LC-Display can be adjusted.

KNX Room Controller Universal

Ref.-no.: RCD 20xx

Scroll through the menu using push buttons

next to S/Tsymbols.

While the display flashes,

the set-values can be adjusted.

With the push buttons next to

the - /+ symbols the values

can be changed.

Long push button action (> 3s) of

the push buttons 1 + 2:

Storing and back to operation level1.

The first indication of the display in the 2nd operation level can be

parameterised. Hence the menu guidance candiffer from the display at

the device.

KNX Room Controller Universal

Ref.-no.: RCD 20xx

6. Symbols

comfort

mode

heat

protection

(thawing

point )

stand-by

mode

heating

night mode

cooling

freeze

protection

date-,

time- or

temperatur

e-display

control

set value

adjustment

Level 1-4

fan coil )

actual set

temperatur

7. Technical Data

Supplying voltage 24 V DC (+6 / -4 V)

Power consumption: max. 240 mW

Connection: KNX connection block

Basic level control optional continuous PI control or

switching PI control or switching two

step control

ext. level control optional continuous PI control or

switching PI control or switching two

step control

Range of measurement 0 … 40 °C

comfort-temperature 7 … 40 °C, can be adjusted

Set value adjustment max. ± 6 K

Set value adjustment -5 °C … +45 °C

Storage temperature -25 °C … +70 °C

Humidity: 0 … 95 % (no condensation)

KNX Room Controller Universal

Ref.-no.: RCD 20xx

Protection: IP 20

Protection category III

8. Guarantee

Our products are under guarantee within the scope of the statutory

provisions.

Please return the unit postage paid to our central service

department giving a brief description of the fault:

ALBRECHT JUNG GMBH & CO. KG

Service-Center

Kupferstr. 17-19

D-44532 Lünen

Service-Line: +(49) 23 55 . 80 65 51

Telefax: +(49) 23 55 . 80 61 65

E-Mail: [email protected]

General equipment

Service-Line: +(49) 23 55 . 80 65 55

Telefax: +(49) 23 55 . 80 62 55

E-Mail: [email protected]

KNX equipment

Service-Line: +(49) 23 55 . 80 65 56

Telefax: +(49) 23 55 . 80 62 55

E-Mail: [email protected]

The -Sign is a free trade sign addressed exclusively to the

authorities and does not include any warranty of any properties.

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