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technik mit einem kostengünstigen Rücknahme-
system die Entsorgung von Altgeräten. Fragen
Sie uns oder Ihren Fachhandwerker/Fachhänd-
ler. Über das Rücknahmesystem werden hohe
Recyclingquoten der Materialien erreicht, um
Deponien und die Umwelt zu entlasten. Damit
leisten wir gemeinsam einen wichtigen Beitrag
zum Umweltschutz.
RECYCLING VON ALTGERÄTEN
Geräte mit diesem Aufkleber dürfen
nicht mit dem normalen Hausmüll
entsorgt werden. Sie müssen getrennt
gesammelt und gemäß den lokalen
Vorschriften entsorgt werden.
TECHNISCHE DATEN
Spannung .................... 230 V AC ± 10%, 50 Hz
Max. Vorsicherung ....................................... 16 A
Eingebauter Schalter ..................... 2-polig, 16 A
Ausgangsrelais ...... Schließkontakt - SPST - NO
Ausgang ............................. Max. 16 A / 3600 W
Regelprinzip ........................................... PBM/PI
Bereitschaftsbetrieb ................................. 0,6 W
Batterie-Backup ..................................... 5 Jahre
Temperaturbereich.............................. +5/+40 °C
Begrenzungsfühler (OCD4) ................. +5/+40 °C
Umgebungsbetriebstemperatur ......... +0/+25 °C
Energie auslesung, genauigkeit ................... 2%
Verschmutzungsgradkontrolle .......................... 2
Nennimpulsspannung ................................. 4 kV
Schutzgrad .................................................. IP21
Abmessungen .................. H/84, B/84, T/40 mm
Einbautiefe ............................................... 20 mm
Display .................................... 100x64 Pixel STN
- Hintergrundbeleuchtung
EU Gebrauchsmuster ........... 001101349-0001/2
Der Thermostat ist wartungsfrei.
English
The thermostat is an electronic on/off thermo-
stat for temperature control by means of an
NTC sensor located either externally or inter-
nally within the thermostat.
The thermostat is for flush mounting in a wall
socket. A baseplate for external wall mounting
is available.
This thermostat can be used as a controller for
electric room heating pursuant to EN50559.
PRODUCT PROGRAMME
FRTD 903 (S)
(MCD4-1999) Clock-thermostat with 2 sensors.
Floor sensor and built-in room
sensor.
WARNING – Important Safety Instructions.
Disconnect the power supply before carrying
out any installation or maintenance work on this
control unit and associated components. This
control unit and associated components should
only be installed by a competent person (i.e. a
qualified electrician). Electrical installation must
be in accordance with appropriate statutory
regulations.
MOUNTING OF SENSOR
The floor sensor contains a safety extra-low
voltage (SELV) circuit, allowing it to be placed
as close to the floor surface as necessary with-
out having to take account of the risk of shock
should the sensor cable become damaged. The
two wires from the sensor to the mounting box,
must be additionally insulated, e.g. shrink flex.
To prevent loose cables from the fixed instal-
lation from coming into contact with the
terminal block for the floor sensor, they must be
restrained using cable ties.
2
It is recommended that the cable and sensor
be placed in a non-conductive installation
pipe embedded in the floor (fig. 3). The end of
the pipe must be sealed and the pipe placed
as high as possible in the concrete layer.
Alternatively, the sensor can be embedded
directly in the floor. The sensor cable must be
led through a separate pipe or segregated from
power cables.
The floor sensor must be centred between the
heating cable.
The sensor cable may be extended up to 7 m
by means of a separate two-core cable. Two
vacant wires in a multi-core cable used, for
example, to supply current to the floor heating
cable must not be used. The switching peaks
of such current supply lines may create inter-
ference signals that prevent optimum controller
function. If a shielded cable is used, the shield
must not be connected to earth (PE). The two-
core cable must be placed in a separate pipe
or segregated from power cables.
MOUNTING OF THERMOSTAT
WITH BUILT-IN SENSOR
The room sensor is used for comfort tempera-
ture regulation in rooms. The thermostat should
be mounted on the wall approx. 1.6 m above
the floor in such a way as to allow free air cir-
culation around it. Draughts and direct sunlight
or other heat sources must be avoided (fig. 4).
No external sensor is connected.
Mounting of thermostat
1. Slide the power button down to Off "0".
2. Release the front cover ONLY by inserting a
small screwdriver into the hole on either side
of the thermostat.
3. Connect the wires in accordance with the
diagram (fig. 2).
4. Mount the thermostat in the wall socket.
5. Fit the frame and carefully press the cover
onto the thermostat. Ensure that both the
power slide button on the cover and the
power switch pin are down.
6. Click the cover into place by applying light,
even pressure. Warning! Do not apply pres-
sure to the corners of the display cover.
DO NOT open the thermostat by releasing the
four fixing clips on the back.
First time settings:
The first time the thermostat is connected,
push the power slide button to On "I". Lan-
guage, time and date must be set using the
buttons:
1. Set language
2. Set time
3. Set date
PROGRAMMING
See user manual.
FAULT LOCATION
If the sensor is disconnected or short-circuited,
the heating system is switched off. The sensor
can be checked against the resistance table
(fig. 5).
ERROR CODES
E0: Internal error. The thermostat must be
replaced.
E1: Built-in sensor short-circuited or
disconnected.
E2: External sensor short-circuited or
disconnected.
E5: Internal overheating. Inspect the installa-
tion.
CE MARKING
According to the following standard:
LVD/EMC:
EN 60730-1: 2011,
EN 60730-2-9: 2010
© 2018 OJ Electronics A/S
CLASSIFICATION
The product is a Class II device (enhanced
insulation) and must be connected to in the
following way:
Term. 1:
Neutral (N)
Term. 2:
Phase (L) 230 V ±10%, 50/60 Hz
Term. 3–4: Load, max. 16 A / 3600 W
Term. X:
Do not connect
Term. 5-6:
External floor sensor
ENVIRONMENT AND RECYCLING
Please help us to protect the environment by
disposing of the packaging in accordance with
national regulations for waste processing.
RECYCLING OF OBSOLETE APPLIANCES
Appliances with this label must not be
disposed of with general household
waste. They must be collected
separately and disposed of in
compliance with local regulations.
TECHNICAL DATA
Voltage ............................ 230 VAC ±10% 50 Hz
Max. pre-fuse .............................................. 16 A
Built-in circuit breaker .................... 2-pole, 16 A
Output relay ............. Make contact - SPST - NO
Output ................................ Max. 16 A / 3600 W
Control principle .................................... PWM/PI
Stand-by power ........................................ 0.6 W
Battery backup ....................................... 5 years
Temperature range .............................. +5/+40°C
Limit sensor (OCD4) ............................ +5/+40°C
Ambient operating temperature ........... +0/+25°C
Control pollution degree ................................... 2
Rated impulse voltage ................................. 4 kV
Enclosure rating .......................................... IP 21
Dimensions ...................... H/84, W/84, D/40 mm
Build-in depth .......................................... 20 mm
Display ........ 100x64 pixel STN - white backlight
EU Registered Design ........ 001101349-0001/2
The thermostat is maintenance free.
Русский
Термостат представляет собой электронный
термостат для регулирования температуры
путем включения / отключения нагрузки при
помощи термодатчика NTC, расположенного
снаружи или внутри термостата.
Термостат монтируется в стенной коробке
(утопленный монтаж). Можно приобрести
крепежное основание для наружного
монтажа.
Данный термостат может быть использован
для регулирования электрического обогрева
помещений в соответствии с нормами EN
50559.
НОМЕНКЛАТУРА ИЗДЕЛИЙ
FRTD 903 (S)
(MCD4-1999) Термостат с контролем времени
с 2 датчиками. Датчик тем-
пературы пола и встроенный
датчик температуры воздуха в
помещении.
ОСТОРОЖНО – Важные указания по технике
безопасности. Прежде чем приступать к мон-
тажу или техническому обслуживанию этого
прибора и связанных с ним компонентов, от-
ключите электропитание. Монтаж этого при-
бора и связанных с ним компонентов должен
производить только профессионал (например,
квалифицированный электрик). Электромон-
таж должен быть выполнен с соблюдением
действующих правил в этой области.
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