02
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Confi gurable
additional functions
Factory
settings
Number of
button pushes
Kick-start
OFF
1 x
Reduced maximum
brightness
OFF
2 x
Status LED lights
up only when ON
ON
3 x
Recovery of the
load state when the
power is restored
OFF
4 x
Table 2: Confi gurable additional functions
Reset to factory setting
Press the button for approx. 10 sec. or more.
The lamp and the status LED will fl ash once
after 3 seconds and then both fl ash a second
time after 10 seconds.
Release push-button.
The device is in fi ne adjustment mode for the
minimum brightness level and the status LED
starts fl ashing fast and the load is set to the
minimum brightness level.
Press button again for approx. 10 s or more
The lamp and the status LED will fl ash once
after 3 seconds and then both fl ash a second
time after 10 seconds.
Release push-button
The status LED goes out and the reset has
been completed, the dimmer is in standard op-
eration with the factory settings being eff ective.
Information for electricians
Installation and electrical connection
DANGER!
Electrical shock when live parts are
touched.
An electric shock can lead to death.
Isolate all power before working on
the device and cover any live parts in
the area!
ç
Connection diagram
A
N
Active / L
Load /
Remote
WBMDUPB
Remote cable.
Not required for
1 way switched
dimming.
Fig. 4: 1 way connection
A
N
Active / L
Load /
Remote
Active
/L
Neutral
Remote
to additional
Slaves
WBMSLL
WBMDUPB
WBMSLL
Fig. 5: 2 way connection
Load side of device is not considered isolated in
OFF position.
Install a circuit breaker of max. 10 A as device
protection.
For 2 way or multiple way switching. Refer to
WBMSLL instructions.
Appendix
Technical data
Operating voltage
230 V~ +/-10%
Frequency
50 Hz
Miniature circuit breakers
max. 10 A
Degree of protection
IP2X
Standby power consumption
-
Status LED off
- Status LED on
< 0.07 W
< 0.3 W
230 V incandescent lamps,
halogen lamps and cold-light
refl ector lamps
7 … 300 W
Dimmable, electronic
transformers with low voltage
halogen lamps
20 … 350 W
Dimmable 230 V LED lamps
3 ... 250 W
Slave units cable length
Load and slave unit cable
- in one cable
- in separate cables
max. 20 m
max. 50 m
Terminal block cables
max. 2 x 1.5 mm²
max. 1 x 2.5 mm²
Flying leads, fl exible
100 mm x 1,5 mm²
Operating temperature
-5 to 50 °C
Storage temperature
-20 to 70 °C
Relative humidity (without
dewing)
0 … 65 %
Packaged with 3 cores,
fl exible
100 mm x
1.5 mm²
Operating conditions
Load type
Maximum output
power (W)
25 °C
35
50 °C
Ohmic loads
300
265
210
Dimmable, electronic
transformers with low
voltage halogen lamps
350
310
250
230 V LED lamps
250
220
175
Table 3: Reduced performance, ambient temperature
When operating dimmers in combination with oth-
ers beneath a cover plate, the maximum connect-
ed load must be reduced depending on the number
of dimmers.
Number of dimmers per
combination
Connect load reduction
1
100%
2
75%
3
55%
4
40%
5
35%
6
30%
Table 4: Dimmer combination load reduction
Carry out loading of conventional, electronic
transformers according to manufacturer's
instructions.
Do not use non-dimmable 230 V LED lamps.
If 230 V LED lamps are used, the power supply
to the dimmer can cause the lamp to glow
slightly even when it is switched off .
Troubleshooting
Dimmer switches off of its own accord.
The electronic overload protection has tripped.
Check the load connected (excessive load).
Reduce the number of lamps or use lamps with
a lower power rating.
The electronic short-circuit protection has tripped.
Check electrical installation.
The load cannot be dimmed down suffi ciently.
The dimming angle is set too high.
Decrease the value in fi ne-setting of the mini-
mum brightness.
The load switches off while being dimmed
down.
The dimming angle is set too low.
Increase the value in fi ne-setting of the mini-
mum brightness.
The load does not switch on.
The dimming angle and brightness value are set
too low.
Increase the value in fi ne-setting of the mini-
mum brightness.
Load fl ickers while switched off .
LED load too low.
Increase LED load at output.
The LED load fl ickers due to the dimmer status
LED power
Switch off dimmer status LED
The connected load cannot be dimmed or load
fl ickers while switched ON.
Lamps are not suitable for dimming.
Be sure always to use dimmable loads.
Undefi ned fault during operation.
Slave unit cable length is too long or no separate
slave unit cable has been used.
Keep to slave unit cable length or, if necessary,
use separate slave unit cable.
Note:
LED loads should be tested with this dimmer
prior to installation. Some LED loads may not be
compatible due to the type of LED driver within the
LED light.
End of life treatment of electrical/
electronic equipment and batteries
in the European Union countries.
The crossed-out ‘wheeled bin symbol’ marked on
the equipment or its packaging, indicates that this
product is not to be disposed off with unsorted
municipal / household waste. Please check with
your local authority or retailer for recycling and
collection advice. This will enable you to contribute
to the disposal, treatment and recycling in an
environmentally sound way and help to prevent
potential negative effects on the environment and
human health.
