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Congratulations on your purchase of this high-quality ESYLUX product. To
ensure proper operation, please read these user instructions carefully and
keep them for future reference.

1 • SAFETY INSTRUCTIONS

CAUTION: Work on the 230 V power system must be carried out
by authorised personnel only with due regard to the applicable
installation regulations. Switch off the power supply before
installing the system.

Use this product only as intended (as described in the user
instructions). Changes or modifications to the product or
painting it will result in loss of warranty. You should check the
device for damage immediately after unpacking it. If there is
any damage, you should not install the device under any
circumstances. 
If you suspect that safe operation of the device cannot be
guaranteed, you should turn the device off immediately and
make sure that it cannot be operated unintentionally.

2 • DESCRIPTION

The ESYLUX CDSi-A/N and CDSi-A/N16AX twilight switches
are surface-mounted switches for the automatic switching of
lighting systems 

(fig. 1)

.

A light sensor detects the ambient lighting level. If the level falls
below the preset light value (lux), the twilight switch
automatically turns on the connected lighting; it turns the
lighting off again when the ambient lighting level exceeds the
threshold value. Also programmable by remote control;
therefore fast and precise setting of various parameters with no
need for tools or a ladder.

3 • INSTALLATION / ASSEMBLY / CONNECTION

Switch off the power supply. Only install the twilight switch on
even, vertical, north-facing surfaces (house walls) and, if at all
possible, not in direct sunlight. Also ensure that the twilight
switch will not be affected by the connected lighting 

(fig. 1)

.

Unscrew the housing cover and install the holder on the
surface, making sure that the line entrances are at the bottom.
The line entrance must be wired in a permanent, waterproof
connection. The module can be taken out to make it easier to
thread and connect the wire 

(fig. 3)

.

Connect the twilight switch according to the wiring diagram

(fig. 2.1/2.2)

. There is a 1.5 mm

2

jumper between L (power

supply) and L (floating contact).
This jumper must be removed if the relay contact is to be used
for extra-low voltage (only affects the CDSi-A/N model). 
Screw the housing cover back on. The switching point is preset
to a realistic value.

• 

CDSi-A/N

• 

CDSi-A/N16AX

www.esylux.com

GB

TWILIGHT SWITCH

4 • START-UP AND SETTING

• Connect the power supply

• LED Display 

Green LED flashes slowly (f = 0.5 Hz) = day operation

(Ambient lighting is higher than the default light value); 
connected lighting is OFF.

Red LED flashes slowly (f = 0.5 Hz) = night operation

(Ambient lighting is lower than the default light value); 
connected lighting is ON.

Red LED lights up (60 sec) = light switch-on value has been reached; 

connected lighting remains OFF as the 60 second delay is
enabled – then change-over into night operation.

Green LED lights up (60 sec) = light switch-off value has been reached; 

connected lighting remains ON as the 60 second delay is
enabled – then change-over into day operation.

Red LED flashes rapidly (f = 4 Hz) = “12 h ON” function is enabled via
remote control; 

connected lighting is switched on for a duration of 12 hours.

Green LED flashes rapidly (f = 4 Hz) = “12 h OFF” function is enabled via
remote control; 

connected lighting is switched off for a duration of 12 hours.

4.1 Settings via manual adjuster

The required light value (approx. 1 - 300 lux) can be set via the
potentiometer 

(fig. 4)

. The LED acts as a setting aid 

(fig. 4)

.

Recommended setting procedure:

When the required switch-on time is

reached (e.g. twilight), turn the potentiometer slowly towards the

“moon symbol”

until the 

red LED

light up. 

The set light value now corresponds to the actual ambient
lighting level and the twilight switch is now adjusted.
When carrying out this process, ensure that the light sensor is
not shielded by your hand or body.

NOTE: Please ensure that the connected lighting only switches on or
off after a time delay of 60 seconds once the LED lights up.
The 60 second delay means that unintended switching, caused, 
for example, by passing car headlights or a dark cloud, is avoided.

4.2 Setting by remote control (available as accessory)

The remote control Mobil-RCi-M 

(fig. 5)

means that the settings

can be easily programmed without needing to climb a ladder or
use any tools.
The manual adjuster setting will be overwritten when using the
remote control. All settings programmed by remote control are
permanently stored in the memory (EEPROM) and will not be lost
in the event of a power failure.

TWILIGHT SWITCH

GB

FIG. 1

FIG. 3

FIG. 2.1 • CDSi-A/N

FIG. 4

FIG. 2.2 • CDSi-A/N16AX

NOTE: The stored remote control settings (lux values) will be
deleted if the manual adjuster (fig. 4) is adjusted by 45° within 
2 seconds; in this case the value of the adjuster will be reactivated.

For optimum reception, when programming the settings, point
the remote control at the twilight switch. Please note that if the
sun shines directly on the sensor, the standard detection range
of approx. 6 m may be dramatically reduced owing to the
sun's infrared rays.

Button

Functional description

Signal reception:

The 

yellow LED

flashes for 2 seconds 

the signal

transmitted by the remote control has been
acknowledged.

The current ambient lighting level (within the range 
1 - 1000 lux) can be input as a switching value.

Input current light conditions as switch-on value 
(when the lighting is off)
Input method:

When the required ambient lighting level is
reached, press the       button.

Acknowledgement of the received signal:

Connected

lighting will switch ON and 

yellow LED

will flash

slowly. When the input process is successfully
completed the lighting will switch OFF.

Note: The current ambient lighting level cannot
be input as a switch-on value if this level is too
bright (> 1000 lux) or too dark (< 1 lux). In
this situation the highest (1000 lux) or lowest
(1 lux) possible value will be stored as the
switch-on value.

Continuous lighting 12 h ON/OFF 

If the lighting is OFF, it can be switched on at
any time for a duration of 12 hours by pressing
the       button.
Press this button again to switch the 
12 hour-lighting off.
Once the 12 hours have expired, the detector
switches back to the corresponding set
operating mode.

Reset

This interrupts the 

“Continuous lighting 12 h

ON/OFF”

feature and returns to the 

“twilight switch” operating mode.

ON/OFF

12h

RESET

FIG. 6

96

76

52

15

7

44

80

7

RESET

ON/OFF

12h

PE

N

N

L

L

L

N

ON/OFF

12h

FIG. 5

PE

N

N

L

N

CDSi-A/N

IP 54

PE

N

L

L

N

L

230 V ~ 50 Hz
2300 W / 10 A (cos 

ϕ

 = 1)

1150 VA / 5 A (cos 

ϕ

 = 0,5)

12 V / 24 V DC / 5 A
Dry Contact

Art.-Nr.: ED10016608

CDSi-A/N

230 V ~ 50 Hz
2300 W / 10 A (cos 

ϕ

 = 1)

1150 VA / 5 A (cos 

ϕ

 = 0,5)

12 V / 24 V DC / 5 A
Dry Contact

Art.-Nr.: ED10016608

IP 54

PE

N

L

L

N

L

3a

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