Jung Observer 220 Operation Manual
Observer 220
Observer 220
Art.-No.: W 220 WW
Operationsmanual
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.
Danger of electric shock. Device is not suitable for disconnection from supply voltage.
Danger of electric shock. Always disconnect before carrying out work on the devise or
load. At the same time, take into account all circuit breakers that supply dangerous
voltage to the device or load.
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.
These instructions are an integral part of the product, and must remain with the end
customer.
2 Device components
(1) Connection box
(2) Sensor head
(3) Sensor window
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picture 1: Page view
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picture 2: View from below
(4) Sensor window below, protection against crawling under
(5) sens adjuster for sensitivity,
green LED
(6) lux adjuster for brightness yellow LED
(7) time adjuster for run-on time, red LED
3 Function
Intended use
- Automatic switching of lighting depending on the heat motion and ambient brightness.
- Surface-mounting in indoor and outdoor areas
Product characteristics
- Digital signal evaluation
- Protected against spray water
- Follow-up time, sensitivity and brightness value settable
- Test operation for checking the detection area
- Switch light on or off for 4 hours
- Short-time operation to control signal encoders
- Sensor head adjustable in 2 axes
- Self-adhesive cover plate elements for limiting the detection area
- High protection against ambient light
- 580 switching segments in 4 layers
- Separate protection against crawling under
- Parallel connection of multiple motion detectors possible
- Manual switch-on possible with installation button, NC contact
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Automatic operation
picture 3: Detection area, motion detector
The motion detector detects heat motions of people, animals and objects.
- The light is switched on if a person enters the monitored detection area and the brightness
is below the set threshold.
- The light is switched off if no more movement is detected in the detection area and the
follow-up time has elapsed.
In order to avoid light oscillations due to the cooling of a bulb, the motion detector does not
evaluate any signals for approx. 2 seconds after switch-off.
When the ambient brightness increases, the motion detector switches the motion detection off
only when the brightness has dropped below the set brightness for 10 minutes. That prevents
attempts to tamper with the motion detector, e.g. by illuminating it with a torch to prevent
switching-on.
When the ambient brightness drops the motion detection is only evaluated only when the
brightness has dropped below the set brightness threshold for 2 minutes.
4 Operation
Notes on setting the operating mode
The operating mode can be changed using an installation button, NC contact. Depending on the
desired operating mode, the installation button has to be pressed 1 to 4 times for about 0.5 to
1.5 seconds. The pause between two button-presses must not be more than 2 seconds. If the
installation button is pressed more than four times, the automatic mode becomes active.
Behind the adjusters time, lux and sens. (picture 2) there are three coloured LEDs. These
LEDs indicate the selected operating mode.
Operating mode: switch on light for the run-on time, automatic mode
o Press installation button 1 x.
The motion detectors switches on independently of the brightness. Each detected
movement restarts the run-on time again. The motion detector is in automatic mode.
When the load is switched off the yellow LED lights up if a motion is detected. When the
load is switched on the yellow LED lights up continuously.
Operating mode: switch on light for 4 hours
o Press installation button 2 x.
Light switches on for 4 hours.
The green LED lights up.
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After 4 hours the motion detector switches to automatic mode.
Operating mode: switch light off for 4 hours
o Press installation button 3 x.
Light switches off for 4 hours.
The red LED lights up.
After 4 hours the motion detector switches to automatic mode.
Operating mode: switch on test operation
o Press installation button 4 x.
The red and green LEDs light up.
The test mode is active. Each time motion is detected, the motion detector switches on for
approx. 3 seconds independently of the brightness.
The yellow LED lights up briefly each time a motion is detected.
Performing a reset
o Press installation button longer than 4 seconds.
A reset is performed. The motion detector is in automatic mode.
Configuring the motion detector
The three adjusters can be used to set the run-on time, the brightness, the sensitivity and a
short-time operation.
picture 4
Set follow-up time
The light remains switched on for this time after the last movement detection. The run-on time is
set in a range from approx. 2 seconds to 30 minutes.
o Turn the time adjuster (7) to the required position (picture 4).
i The motion detector switches off after 90 minutes at the latest even when there is constant
motion in the detection area. Switch-on only takes place again if the brightness is below the
preset value and there movement is again detected in the detection area.
Setting the brightness threshold
Only when the brightness drops below the threshold will the light be switched on when there is
motion in the detection area. The brightness threshold is steplessly adjustable in a range from
approx. 1 to 1000 lux.
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In so doing, the 3 symbol stands for brightness-independent switching and the 2 symbol for
switching in case of darkness. Recommendation: A setting of approx. 10 lux – as shown in
(picture 4) – activates the device at the start of twilight.
o Turn the lux adjuster (6) to the required position (picture 4).
Setting the sensitivity
The sensitivity of the device can be adapted to the ambient conditions and the tilt of the sensor
head.
o Set sens. adjuster (5) to maximum sensitivity.
o If there are unwanted switching operations, reduce the sensitivity.
Presetting the short time operation
In short-time operation, when motion is detected a pulse of 0.5 seconds is generated that can
be used, e.g., to activate a bell. This operating mode functions independently of the brightness.
picture 5
o Turn lux adjuster (6) to the M position (picture 5).
o Use the time adjuster to set the pulse separation between 2 seconds and 10 minutes. The
pulse separation is the minimum time between two pulses, and is valid only for short-time
operation.
i The pulse separation is limited to 10 minutes even when a larger time is set.
i If during a change from short-time operation to automatic operation a lower brightness
value 2 is being set, the lux adjuster should first be set to the 10 lux mark (picture 4), and
then turned down.
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