
1. Connection
1
GB
Note:
3-line connection not permissible for new systems.
4-line connection 3-line connection
Only incandescent bulbs may be used.
The stairwell lighting can be switched on by e.g. a motion detector or a pushbutton
(with glow lamp load) via the terminal S. Maximum line length at terminal S = 250 m.
external
external

2
GB
2. Putting into operation/operation
2.1 Setting the time
The relevant times are displayed during adjustment.
a) Total time in minutes (05… 99) for 100% lighting
Key + 05; 1 … 995minutes
Key – 995; 99 … 05minutes
b) Dimming time in seconds (0 … 30)
Entry: Press keys + and – simultaneously once
Key + 0 … 30 sec
Key – 30 … 0 sec
Exit: Press keys + and – simultaneously twice
= current switching state
Example:
– +
– +
min
6
sec
30
100%
approx. 50%
6 min
30 s

3
GB
2. Putting into operation/operation
2.2 Operating state, Hand switch
a) Lighting continuous ON
Key
Function: Continuous ON
press key 1x
Display:
! Press key turn off !
b) Fixed lighting time – see 2.3
Display: , when unit is not activated
, when unit is activated
– +
min
6

4
GB
2. Putting into operation/operation
2.3 Operation for the user
a) Standard use
Press the switch in the stairwell
1x = for a set time (100%)
Switch off prewarning = signal effect!
When the set time has expired, e.g. 6 minutes, the lighting is reduced by
approx. 50%.
After the set dimming time, e.g. 30 seconds, the lighting is switched OFF.
Note: The stairwell light can be switched back on again during these periods:
• briefly press any switch in the stairwell
• activate the motion detector (if present)
Example:
100%
approx. 50%
6 min
30 s

2. Putting into operation/operation
5
GB
b) Caretaker function
Press the switch in the stairwell
for approx. 3 seconds = for 1 hour (100%)
Note: If any key is pressed in the stairwell during this hour,
you switch OFF the lighting immediately.
2.4 Diagnosis
a) Pushbutton in the stairwell – monitoring function
If one of the switch in the stairwell is pressed, the display appears.
If this symbol is constantly displayed, one or more switch may be blocked
or possibly faulty.

2. Putting into operation/operation
6
GB
b) Lamp ON duration, displayed value x 100
Entry: Press the keys + and – simultaneously 2x
Example: 0
5
= 50 operating hours
1 = 100 operating hours
15= 150 operating hours
Entry: Key – and +
The number of operating hours indicates whether and when it seems
appropriate to replace the lamp.
c) Lighting ON
If one of the keys in the stairwell/motion detector or the manual switch on the
unit has been pressed, the symbol in the display should be visible.
If the lighting in the stairwell still OFF, there may be an installation fault or
a problem with the unit, or all lamps are defective.
– +

7
GB
3. Technical Data
Connection see unit imprint
Switching capacity AC
– incandescent lamp load cos ϕ = 1 1200 W
Switching contact N/O contact
Ambient temperature –10° C … +55° C
Protection class/Protection type II/IP 20
Adjustment range 0,5 … 99,5 minutes
Dimming time 0 … 30 seconds
Glow lamp load max. 50 x 1 mA
ON period 100% ON duration
Hand switch yes
Resettable immediately
Connection type captive +/– screws
Switching type 3/4 wire connection
Diagnosis function yes
Caretaker function = 1 hour press for approx. 3 sec.
Prewarning yes