Jung KNX 3281-1 Series, KNX 3281 Series Operating Instructions Manual

Standard / Universal automatic switch 2.2 m
Universal automatic switch 2.2 m
Art. No. : ..3281-1..
Standard automatic switch 2.2 m
Art. No. : ..3281..
Operating instructions

1 Safety instructions

Electrical devices may only be mounted and connected by electrically skilled persons.
Serious injuries, fire or property damage possible. Please read and follow manual fully.
Do not press on the sensor window. Device can be damaged.
The device is not suitable for use as a burglar alarm or other alarm.
Caution. Damage to sensors may result due to high thermal radiation. Avoid direct sunlight penetration in the sensor window.
These instructions are an integral part of the product, and must remain with the end customer.

2 Device components

Figure 1: Device components
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Figure 2: Adjuster Sens. (rear side)
(1) Bus coupler 3 (accessory) (2) Frame (3) Motion detector (4) Sensor window (5) Button O / AUTO (6) Button I / AUTO (7) Adjuster Sens.

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 KNX­certified software. Full functionality with KNX commissioning software version ETS4.2 and higher.
An updated version of the product database and technical descriptions are available on our Internet website.
Intended use
- Requirement-oriented control of lighting and other electrical consumers
- Mounting on bus coupler 3 (accessory) i Recommendation: Use air-tight appliance boxes.
Product characteristics
- Automatic switching of light, depending on heat motion and ambient brightness
- 2 PIR sensors
- Detection area 180°
- Integrated brightness sensor
- Adjustable switch-off brightness
- Output functions: Switching, value transmitter, light scene extension, staircase function, switching with forced position, operating mode setting for room temperature controller
- Extension of the detection area by way of operating several devices as main unit or extension unit
- Adjuster for manual adjustment of sensitivity
- Status LED
- Manual switching on the device
Additional characteristics of "Universal" version:
- Manual operation with IR remote control possible (accessories)
- Detection field can be dimmed by 50% (parameter setting)
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- 5 function blocks for motion detection each with 2 outputs
- Function blocks switchable, e.g. for day/night operation
- Brightness sensor function with 3 limiting values
- Alarm when unplugging from the bus coupler
- Temperature measurement

4 Operation

Switching the light on manually o Press the AUTO / I button.
Switching the light off manually o Press the O / AUTO button.
Switching on the Automatic operating mode
Prerequisite: The green or yellow LED lights. ON or OFF operating mode is active. o Press the O / AUTO or AUTO / I button.
The LED goes out.
Status LED
Behind the sensor window (4) there are status LEDs for indicating different states of operation(figure 3).
Figure 3: Status LED
YE Yellow. OFF operating mode is active. GN Green. ON operating mode is active. BU Blue. Movement detected (parameter-dependent).
or IR reception (oy for "Universal" version)
RD Red. Programming mode is active.

5 IR remote control

Only for "Universal" version:
Function buttons IR remote control
Button Function
¿ Detection of a motion is sent for function block
1. The automatic mode is exited.
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Á End of a motion is sent for function block 1.
The automatic mode is exited.
À The automatic mode is activated again for
function block 1. The ON state is first exited after a new motion detection.
Adjustable buttons IR remote control
Button Function
´ Increasing sensitivity
² Reducing sensitivity
³ Resetting sensitivity to presetting
Ê Function block 1: Brightness threshold 10 lx
Ë Function block 1: Brightness threshold 50 lx
Ì Function block 1: Brightness threshold 150 lx
Í Function block 1: Brightness independent
operation
É Function block 1: Set current brightness as
brightness threshold
10 SEK, 30 SEK, 2 MIN, 5 MIN, 30 MIN Function block 1: Extend minimum run-on-time
(10 seconds) by the selected value
START, STOP Function block 1: Extend minimum run-on-time
(10 seconds) individually
Set-up buttons of IR remote control
Button Function
Ù Walking test – Check detection field
Ú Reset sensitivity, brightness threshold and
run-on-time to presetting. Press for at least 3 seconds
Operation with IR remote control
If enabled, function block 1 can be operated manually by remote control. In manual operation, brightness and motion detection for function block 1 are switched off until automatic mode is reset.
o Switch on, e.g. light: Press the ¿ button. o Switch off, e.g. light: Press the Á button. o Set automatic mode: Press the À button.
Manually changing settings with IR remote control
If enabled, individual settings for function block 1 can be changed during operation using a remote control.
Sensitivity:
o Increase sensitivity by one level: Press the ´ button. o Decrease sensitivity by one level: Press the ² button. o Recall set sensitivity again: Press ³ button. i The manual adjustment of sensitivity by the adjuster Sens. (7) is overwritten by the IR-
remote control and vice versa.
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Brightness threshold: o Change brightness threshold: Depending on requirement, press Ê button, Ë button, Ì
button or Í button.
o Set current brightness as brightness threshold: Press É button. Run-on-time: The preset run-on-time of 10 seconds can be extended individually.
o Extend run-on-time: Depending on requirement, press 10 SEK button, 30 SEK button, 2
MIN button, 5 MIN button or 30 MIN button. Other values can be set with the START/STOP
buttons.

6 Information for electrically skilled persons

DANGER! Mortal danger of electric shock. Cover up live parts in the installation environment.

6.1 Fitting and electrical connection

Detection field and range
Figure 4: Detection field and mounting height
The size of the detection area depends on the mounting height(figure 4)and on the direction of motion –(figure 5) ... (figure 8). As the distance to the detector increases, the detection density and sensitivity decrease.
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Figure 5: Range with tangential direction of motion, mounting height 2.20 m
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Figure 6: Range with radial direction of motion, mounting height 2.20 m
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Figure 7: Range with tangential direction of motion, mounting height 1.10 m
Figure 8: Range with radial direction of motion, mounting height 1.10 m
Selecting installation location
o Select a vibration-free installation location. Vibrations can lead to unwanted switching. o To achieve optimum range, choose an installation location that is transversal to the
direction of motion.
o Avoid interference sources in the detection area. Interference sources, e.g. heaters,
ventilation, air conditioners, and cooling light bulbs can lead to unwanted detections.
Fitting the device
Prerequisite: Bus coupler (1) is mounted in an appliance box and connected. o Install the motion detector (3) with frame (2) onto the bus coupler (1) in the correct
orientation.

6.2 Commissioning

Load physical address and application program o Press the AUTO / I button for approx. 5 seconds until the red LED in the lens lights up.
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o Assign physical address.
The red LED goes out.
o Write the physical address on the device label. o Load the application program into the device. i In case of active temperature measurement ("Universal" version) compare the temperature
measurement.
Testing the detection area
In the case of main units and extensions, check the detection areas of the devices individually. Precondition: The device is installed and connected. The physical address is loaded. o Activate the walking test:
Activate the parameter "Walking test after ETS programming" and download the application software.
The device now operates brightness-independently. The PIR sensors are active according to their programmed sensitivity.
o Pace off the detection field, paying attention to reliable detection and interference sources.
Any motions detected are displayed by the blue LED.
o Limit the detection area as required. Adjust sensitivity with adjuster Sens. or IR remote
control, or change the programming.
o Deactivate the parameter "Walking test after ETS programming" and download the
application software.
Only for "Universal" version: i If enabled, the walking test function can be activated with the button Test of the IR remote
control.

7 Appendix

7.1 Technical data

Commissioning mode S-mode Current consumption KNX 3 ... 10mA
Ambient temperature -25 ... +55°C Storage/transport temperature -25 ... +70°C Relative humidity 10 ... 100% (No moisture condensation) Protection class III
Installation height 1.10 / 2.20m Detection angle 180°
Detection field (mounting at 2.20 m) Tangential movements approx. 12 x 12 m Radial movememtns approx. 8×8 m
Detection field (mounting at 1.10 m) Tangential movements approx. 6 x 6 m Radial movememtns approx. 4×4 m
Brightness sensor Measuring range approx. 1 ... 1000lx
Temperature sensor Measuring range approx. -20 ... +55°C Accuracy ± 1K

7.2 Accessories

Bus coupling unit 3 Art. No. 2073U IR remote control Art. No. KNXPMFBIR Sealing kit for automatic switch 180° 2.20 m Art. No. AS..50DS
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7.3 Warranty

The warranty follows about the specialty store in between the legal framework as provided for by law.
ALBRECHT JUNG GMBH & CO. KG
Volmestraße 1 58579 Schalksmühle GERMANY
Telefon: +49 2355 806-0 Telefax: +49 2355 806-204 kundencenter@jung.de www.jung.de
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