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To make the setting for stairwells according to DIN EN12464-1, 2003-3, turn the adjuster 
(6) to the 

150 Lux

 mark. 

Setting the sensitivity 

The motion detector possess automatic adjustment to the ambient conditions. Normally, the 
adjuster 

Sens.

 should be set to maximum sensitivity.  

Remove the motion detector cover from the concealed insert. 

Set the sensitivity using the adjuster 

Sens.

 (7). 

If there are unwanted switching operations, reduce the sensitivity. 

Attach the motion detector cover and frame to the concealed insert. 

Set follow-up time 

The run-on time can be set in a range from approx. 10 seconds to approx. 30 minutes. The 
setting is non-linear, longer times are specified in a more rough framework. 

Remove the motion detector cover from the concealed insert. 

Set the required run-on time using the run-on time adjuster (5). 

Attach the motion detector cover and frame to the concealed insert. 

If a dimmer insert is used, then dimming will take place after the run-on time has elapsed 
and the lighting will switch off after approx. 30 seconds. If, during dimming, movement is 
detected, then the motion detector switches back to switch-on brightness. 

Presetting the short time operation 

In conjunction with a switching insert, short-time operation can be set, e.g. to control an 
acoustic signal encoder. Short-time operation operates independently of the brightness. 

Remove the motion detector cover from the concealed insert. 

Set the run-on time adjuster (5) to the 

M

 symbol. 

If motion is detected, the motion detector switches on for approx. 0.5 seconds. If further 
movement is detected, the switch-on will take place again after an immunity period of 
3 seconds. 

Attach the motion detector cover and frame to the concealed insert. 

No short-time operation is possible with the dimmer inserts. 

Limiting the detection area  

picture 9: Using a cover plate 

The supplied cover plate (11)  can cover up the left (9) or right half (10) of the detection fields, 
90° in each case.  

Seite 9/10 

22.07.2010 

82540231 
97-82640-201 

BLC 
BLC motion detector comfort 1.1 m 

Summary of Contents for BLC 1784 Series

Page 1: ...ime take into account all circuit breakers that supply dangerous voltage to the device or load Danger of electric shock Device is not suitable for disconnection from supply voltage The load is not ele...

Page 2: ...2 wire or installation button With the dimmer insert it is possible to change the brightness using a 2 wire extension insert Switch on brightness can be saved with the dimmer insert With the dimmer in...

Page 3: ...n on time i If the run on time setting dial 5 is set to M Short time operation then the light is switched on for approx 0 5 seconds even if the button is pressed for longer Switch light on with minimu...

Page 4: ...ith Continuous off switch on via the extension is not possible Setting the Continuous on operating mode o Switch the operating mode switch to the I position The lighting remains permanently switched o...

Page 5: ...6 is then no longer evaluated Additional saving operations overwrite the previous value i A power failure of more than 2 seconds or removing the cover from the insert causes the loss of the saved brig...

Page 6: ...s 5 1 Fitting and electrical connection DANGER Electrical shock when live parts are touched Electrical shocks can be fatal Before carrying out work on the device or load disengage all the correspondin...

Page 7: ...pand the detection area connect a 3 wire extension insert with motion detector cover see instructions for 3 wire extension insert The motion detector of the main unit also evaluated recorded motions o...

Page 8: ...g the detection area or the sensitivity reduced o Measure the detection area If the detection area is too large limit the detection area see Limiting the detection area If the detection area is too sm...

Page 9: ...is used then dimming will take place after the run on time has elapsed and the lighting will switch off after approx 30 seconds If during dimming movement is detected then the motion detector switche...

Page 10: ...the detection area Cause Interference sources in the detection area e g heating ventilation cooling light bulbs Reduce the detection area with a cover panel or reduce the sensitivity with the Sens adj...

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