Issue Date: 06.04.2021 Page 2 / 12
Thermokon Sensortechnik GmbH, Platanenweg 1, 35756 Mittenaar, Deutschland · tel: 02778/6960-0 · fax: -400 · www.thermokon.de · email@thermokon.de
LCF02-5DO_Datasheet_en.docx © 2021
» REMARKS TO ROOM SENSORS
Location and Accuracy of Room Sensors
The room sensor should be mounted in a suitable location for measuring accurate room temperature. The accuracy of the temperature
measurement also depends directly on the temperature dynamics of the wall. It is important, that the back plate is completely flush to the wall so
that there is sufficient circulation of air through the vents in the cover, otherwise, deviations in temperature measurement will occur due to
uncontrolled air circulation. The temperature sensor should not be covered by furniture or other objects. Mounting next to doors (due to draught)
or windows (due to colder outside wall) should be avoided.
Surface and Flush Mounting
The measuring result is influenced by the thermal characteristics of the wall. A solid concrete wall responds to thermal fluctuations within a room
in a much slower than a light-weight structure wall. Room temperature sensors installed in flush-mounted boxes have a longer response time to
thermal variations. In extreme cases they detect the radiant heat of the wall even if the air temperature in the room is lower for example. The
quicker the dynamics of the wall (temperature acceptance of the wall) or the longer the selected inquiry interval of the temperature sensor is the
smaller the deviations limited in time are.
» TECHNICAL DATA
(for heating/cooling 2-point control or PWM)
2 normally open contacts,
max. 250 V ~ / 3 A | max. 30 V = / 3 A
terminal 5 | 6 | 7 – LO | ME | HI (for Fan)
3x normally open contact,
max. 250 V ~ / 3 A | max. 30 V = / 3 A
RS485 Modbus, RTU, half-duplex, baud rate 4.800, 9.600, 19.200 or 38.400, parity: non (2 stopbits), even
or odd (1 stopbit)
24 V = (±10%) | 24 V ~ (±20%) SELV
input for external sensor
NTC10K
input digital for floating contact,
window contact, dew point
sensor
input digital for floating contact,
occupancy sensor, key card
switch
set point adjustment +1..+50 °C, (default +16..+30 °C)
LCD 64x41 mm, white background lighting
IP20 according to EN 60529
terminal block max. 1,5 mm²
-10..+50 °C, max. 95% rH non-condensing
flush mounted with standard EU box (Ø=60 mm)
» PRODUCT TESTING AND CERTIFICATION
Declaration of conformity
The declaration of conformity of the products can be found on our website https://www.thermokon.de/.
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