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Assembly instructions | LK Room Thermostat S2, 24 V NC
LK EPS 16
Position a conduit along the long side of the floor
heating installation so that it is pointing towards
the nearest short side. At the short side cut a jack
approximately 2 metres long in the EPS board
measured from the short side. The conduit is po-
sitioned in this jack. Insert the remote sensor in
the conduit before laying the floor and connect
to the thermostat as described above. Note that
positioning should be at a point which is repre-
sentative of the surface/zone which is to be con-
trolled.
LK Clip Rail 8/ LK Clip Rail 12
Position a conduit along the long side of the floor
heating installation so that it is pointing towards
the nearest short side. At the short side, route the
conduit in the centre between two floor heating
pipes and connect as normal approximately 1.5
metres in. Seal the end of the conduit with tape
or similar so that concrete/flooring compound
cannot enter it. Insert the remote sensor in the
conduit before applying concrete or screed and
connect to the thermostat as described above.
Note that positioning should be at a point which
is representative of the surface/zone which is to
be controlled.
Technical Data LK Room Thermostat S2
Voltage 24 V AC (20....30 V, 50....60 Hz) NC normally
closed
Switching capacity max 22 W (625 mA)
Intrinsic power 2 W
Maximum of five LK Actuator 24 V NC items per room
thermostat
Temp. range 5–45 °C
Input for temperature reduction -3K
Cycle time for self-modulation 42 min
Range for self-modulation 2K
Colour: housing and pattress – white RAL 9003; cover
glass – polished white/ice grey
Protective class III
Protection class IP30
Storage temperature -25 to + 80 °C
Rel. humidity (warehouse) <80 % non-condensing
Operating temperature 0 to +50 °C
Remote sensor, length 3 m, type NTC 10 kΩ (option)
Dimensions 80x112 x 16 mm
Overall dimensions with pattress fitted 80 x 112 mm
Overall dimensions without pattress fitted 65 x 98 mm
EN.33.C.149.1511
4 (4)
LK Systems AB, Box 66, 161 26 Bromma, Sweden | www.lksystems.se
Temperature range for self-modulation
Temperature range for self-modulation, cycle time 42 min.
Energy declaration in accordance with
EU 811/2013
Temperature regulator class
Temperature regulator's contribution to
seasonal space heating energy efficiency
Dimensions
112
16
Self modulation 0%
Self modulation changing
Self modulation 100%
IV
2%
80
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