Citron REfire SC-TK3-2.8 User manual

KNX
REfire
Entry Lux
SC-TK3-2.8/4.8
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Scenario
Panel

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SC-TK3-2.8/4.8 REfire series the Entry Lux family products are
switch panel controllers of KNX bus, which can control general
lighting devices, dimming devices, motors and other program-
mable equipment. It integrates a KNX bus communication chip,
and is specially designed for wall flush mounting.
This design can be assembled into 2 styles of panels.
Product Introduction
A
B
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B
2
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B
3
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B
4
a
Product code Rockers Nr . Rocker size (mm)
SC-TK3-2.8/4.8
SC-TK3-2.8/4.8
Rectangular 2 42.2 x 85.5
Square 442.2 x 42.2
A
B
1
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B
2
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B
3
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B
4
B

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Application
Product Functions
On/o state switching of single-load
or loop-loadlighting.
Control of motor equipment
(rolling doors, blinds),curtains, etc.
0%-100% brightness control for dimmable devices.
Trigger multiple actions at the same time to exe-
cute scene functions.
Other integrated controls, customizable data type
instructions.
Other features
All-metal multi-color keys, PC+ABS bottom shell.
Wall flush bottom box installation.
Protection class IP20.
Climate class 3K5, mechanical class 3m2 (accord-
ing to EN 50491-2).
Pollution degree 2 (according to IEC 60664-1).
Weight 80 grams (including mounting bracket).
Dimensions 86×86×9 mm (frame thickness).
Programmable proximity sensor that supports trig-
gering control scenarios when approaching.
Equipped with 2 IO input interfaces as standard,
can connect external dry contact sensor or
self-return switch.
Sensor
Technical Parameters
Working voltage 21-32V DC
Rated current ≤10mA
Working temperature -5°C…+45°C
Working humidity 5%~95%RH
Installation method 86*86mm / 80*80mm
bottom box installation

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Keys
Key
buckle
Two-color
bracket
Box top
support
Metal
bracket
PCB box

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02
02
03
Product Diagram
Proximity sensor
KNX Bus
Key backlight
Program button, red LED indicator
01
01
03
04
04

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As an intelligent scene controller, there are a total
of 8 buttons, each button has two LEDs, a pro-
grammable backlight LED and a programmable
feedback LED, which supports the proximity sens-
ing function. In addition, it has 2-way IO input de-
tection and a terminal for bus connection.
Indicator Light
Red LED, when the light is on, it means it is in pro-
gramming mode, while the light is o, it means it is
in normal working mode.
Ice blue LED, is always-on backlight.
Blue-green LED, is status feedback light.
Proximity Sensing
Function Indication
When a person or palm
approaches the panel
01 Panel backlight can be
automatically turned on
02
In the case of no programming, when the proximity
sensor is triggered, all backlights will be lit for dy-
namic interaction.
After programming, the proximity sensor will illumi-
nate the backlight and trigger the associated
group action.
Induction distance, 15-20cm.

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The product should be installed in a standard 80/86
bottom box. The distance between the fixing screws of the
one-piece bottom box is 24mm. If necessary, the metal
bracket for fixing can also be purchased separately.
min 0.3m
1.3m-1.5m
It’s suitable for both 80*80mm & 86*86mm bottom box.

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Programming and configuration of the device requires the use of
V4.0 or higher ETS tool software, and the configuration is carried
out according to the design scheme of the smart building.
Operation Instructions
Turn on the bus power;
Press the program button to switch to programming mode.
In this mode, the programming LED is lit;
Use the ETS software to download the physical address and
configure into the product;
After the download, the product automatically returns to
the normal working mode, in which the LED is o, and the
device has been programmed so far.
Suggestion: It is better to address the product before in-
stalling the keys. Once the address is specified, there is no
need to press the program button for subsequent configu-
ration downloads.
First uninstall the application data and physical address
through the ETS software, and then use the ETS tool to reset
the physical and configuration programs before they can be
used normally.
Soft Reset
Configuration
Code SC-TK3-2.8/4.8
Program Application (## = version ) 8key-ctrlpanel
Communication Objects (max.nr) 82
Group Adresses (max.nr ) 82
Bus
KNX
+-
IO A
COM
IO B

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Wiring Instructions
Product complies with EC Directive: Low Voltage (EU
Directive 35/2014).
Electromagnetic Compatibility (EU/30 2014).
Tested according to EN 50491 - 4 – 1.
NotesKNX Bus
Characteristics
Connect the KNX communication terminal on the back of the
controller to the KNX bus, and ensure that the positive and
negative connections are correct and the connections are
firm and not loose.
After wire connection, observe whether the button backlight
is on. If it is on, the connection is fine.
After importing the product database into the ETS software,
you can start programming. (To obtain the database file,
please contact the relevant salesman).
KNX BUS+
KNX BUS-
The cable used to connect to the KNX terminal is preferably
a single wire with a diameter between 0.6 and 0.8.
The exposed copper part of the KNX bus is about 5mm long
KNX bus color identification:
red = + (positive), black = - (negative).

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The device is maintenance free
Please clean with a dry cloth
Solvents or other aggressive substanc-
es are prohibited
Maintenance Instructions
Safety Notice
Improper installation can cause short
circuit or fire. Make sure the power is
turned o before making connections.
Improper handling of this product can
cause damage to the environment.
Installation and commissioning can only
be carried out by qualified professional
technicians.
Illegal opening of the casing of the
device will void the warranty.
Disposal Instructions
At the end of its useful life, the product is
classified as electronic waste and
cannot be disposed of with municipal
unsorted solid waste.
Warranty Policy
Within 7 days from the date of your re-
ceipt, if the product has a product per-
formance failure, you can enjoy free
return or exchange service.
Within 8-15 days from the date of your
receipt, if the product has a product
performance failure, you can enjoy free
replacement or maintenance services.
Within 24 months from the date of re-
ceipt, if the product has a product per-
formance failure, you can enjoy free
maintenance services.
Package includes:
SC-TK3-2.8/4.8 * 1
M3 screw*3

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Web. www.citron-iot.com
Cel. 186 6662 8709
Tel. 027 - 8886 1891
Add. 21st Floor,
Greenland Chufeng Building,
No. 750, Heping Avenue,
Wuchang District, Wuhan