EBECO EB-Therm 50 Installationsanweisungen Seite 4

Description EB-Therm 50 D
EB-Therm 50 is a microprocessor controlled thermostat with a separate floor sensor, developed for optimal regulation of underfloor heating systems. EB-
Therm 50 is supplied with a front cover and frame suitable for the Eljo Trend wall box system. An extra front cover suitable for Elko RS is also included. EB-
Therm is approved for installation in wet rooms, SEMKO-certified and CE-marked. The thermostat is designed for flush or surface mounting. The front panel
is fitted with a double-pole switch (Fig 1a) and a dual-function LED (Fig 1b). The temperature setting can be locked on the underside of the knob (Fig 1c).
The thermostat has built-in fault monitoring of floor sensors. If the floor sensor is damaged or goes open-circuit, the thermostat contact opens and the LED
starts to flash (twice a second). The floor sensor can be replaced.
Fuzzy technology
Temperature regulation is based on an algorithm, which uses fuzzy technology. This means that the thermostat collects data from the start and calculates
when it should switch on and off on the basis of that data. This approach reduces temperature fluctuations, providing a more uniform temperature and lower
energy consumption. The temperature in the floor varies by less than +/- 0.3 degrees. See the diagram below. The fuzzy technology can take up to 120
minutes after the thermostat has been connected to complete its learning process.
Temp.
Installation
Flush mounting EB-Therm mounts in a standard 65 mm wall box. The location should be chosen so that the thermostat is protected from direct sunlight
and draughts. The sensor must be installed in a protective tube in the floor. The end of the tube must be sealed.
1. Make sure that the wall box is flush with the wall.
2. Remove the setting knob. Loosen the screw. Remove the front cover and the frame.
3. Connect the 230 VAC electric power supply (Fig 2a), the load (Fig 2b) and the sensor cable (Fig 2c). If the sensor cable needs to be extended, heavy-
current cable must be used. The protective earth (PE) (Fig 2d) is connected past the thermostat via a terminal block.
4. Place the thermostat in the wall box and secure it with the screws provided.
5. Refit the frame, front cover and setting knob.
Mounting with extension frame Extension frame E 85 816 68, see Fig 3.
1. Fix the extension frame to the wall with screws.
2. Install the thermostat as described above.
Wet room installation Use the IP 21 rated gasket E 66 210 06 as shown in Fig 4.
Setting
EB-Therm 50 has a separate temperature sensor which is located in the floor. The thermostat regulates the floor temperature by means of the floor sensor.
The floor/room temperature is set with the temperature setting knob as shown in Fig 1c. Normal setting is between 4 and 5.
After a few days, when the temperature has stabilized, it may be advisable to adjust the thermostat setting. After the final calibration, the room temperature
setting can be locked by moving the two pins under the setting knob.
Technical data - EB-Therm 50
Voltage
Floor temperature range
Load relay
Main switch
Load
Hysteresis
Ambient temperature
Housing
Colour
Indication
230 V supply connected
Heating cable operating
Suitable for Eljo Trend, Elko RS, Strömfors and Merten frame
systems
EMC certified. Withstands a surge of 2500 VAC.
Floor temperature
30
28
26
(C)
24
22
20
18
230 V AC±10% 50 Hz
+5 °C to +40 °C
250 V 12 A 2700 W
double-pole
power factor = 0.3 max
±0.5 degC
0 °C to +60 °C
IP21
Polar white
Green LED
Red LED
- ENGLISH -
Time (minutes)
Tid ( i )
EB-Therm 50 with accessories
Art. no. Article
E 85 816 81 EB-Therm 50
E 85 816 68 Extension frame
E 85 816 71 Sensor cable 3 m
66 210 27 Front cover for Eljo trend*
66 210 30 Front cover for Eljo RS*
66 210 06 IP21 gasket*
66 210 54 Frame for Eljo trend*
66 210 56 Frame for Strömfors*
14 408 80 Connection clip*
E 85 816 97 Back Plate, Polar white
Max length of sensor cable – 50 m, 2x1.5mm
1)
* Included in the packing
Dimensions (mm)
81x81x40
81x81x18
*
1)
2