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EN.33.C.152.1405

Assembly instructions | LK Room Temperature Control ICS.2

Pump relay

The Receiver 8 has a potential free pump relay for

controlling the circulation pump, for example a

pump in a shunt group. The relay is located under

the cover on the high voltage side of the receiver.

NOTE:

Cut all incoming power to the unit before

opening the high voltage cover. Remember

that the relay for pump and heat source are

powered from an external power supply

which must also be cut.

Note that the pump relay contact is potential-free

which means that the relay contact must be pow-

ered from an external source (NOTE: Not from the

receiver's power supply). The pump starts about 6

minutes after any channel calls for heat. When the

relay is enabled the Pump LED lights. The pump is

run once a day to prevent the pump from jamming

during long periods of downtime, e.g. summertime.

230VAC

FUSE

BOILER

PUMP

L N

~ ~

The wiring diagram for connecting the pump to receiver 8.

Relay for heat source

It is possible to control the system's heat source via the

receiver's relay for the heat source. The relay is located

under the cover on the high voltage side of the receiver.

NOTE:

Cut all incoming power to the unit before

opening the high voltage cover. Remember

that the relay for pump and heat source are

powered from an external power supply

which must also be cut.

Note that the relay contact is potential-free which

means that the relay contact must be powered from

an external source (NOTE: Not from the receiver's

power supply). The relay activates the heat source

about 6 minutes after any channel has called for heat.

When the relay is enabled the Boiler LED lights.

See the wiring diagram below.

230VAC

FUSE

BOILER

PUMP

Boiler

L N

~ ~

The wiring diagram for connecting the heat source to

receiver 8.

Содержание ICS.2

Страница 1: ...CS 2 is a control system designed for LK Floor Heating The sys tem is suitable for small medium or large build ing installations LK ICS 2 has been designed to provide high levels of comfort and energy ef ficient heating systems thanks to its advanced self modulation technique The system consists of LK Receiver ICS 2 LK Room Thermostat ICS 2 and LK Actuators 24 V Communications between the room the...

Страница 2: ...alve actuator symbol NOTE Maximum of two LK Actuators per terminal and a maximum of twelve LK Ac tuators per receiver 8 and five LK Actuators per receiver 1 6 Run the actuator cables in the strain relief grooves Install the room thermostat s back plate about 1 5 m above the floor Note the arrow on the back plate indicating which way is up For the wired room thermostat the cable is connected from t...

Страница 3: ...on once This turns off all the lights on the unit and confirms exits the learning sequence for the Master unit It is important to check that all lights are off be fore continuing with the rest of the installation steps This is to avoid conflicts during the ongo ing installation process Remember to mark the unit as Master unit on the sticker in the unit s cover Note Steps 5 to 8 are only performed ...

Страница 4: ... in the system Remember to ensure that the Master unit s L light lights green con tinuously during the learning phase for all Slave units When all slave units have been programmed the learning is completed by pressing once on the Master unit s L button All the lights on the Master unit should now turn off Check that all lights are off on all units to en sure that nothing can interfere with the con...

Страница 5: ...hange to green Choose the channel channels that the room thermostat is to control by pressing the corre sponding channel button 1 8 The selected channels flashes green Channels already occupied have a solid orange light The selected channels are displayed in the room thermostat display 1 8 Once all the required channels have finished the learning process you confirm by pressing the SET button once...

Страница 6: ... appears as a digit 1 8 inside the figure of a house Repeat steps 11 to 15 for each thermostat to un dergo learning for this receiver Ensure that the selected receiver s L light remains lit for the learning of all room thermostats When all the room thermostats have finished learning for the receiver in question the learn ing process is completed by pressing the L but ton Ensure that the L light go...

Страница 7: ...er ICS 2 Using LK Webserver ICS 2 you can easily con trol your heating system remotely via a mobile phone tablet or computer The webserver s user interface is easy to manage and provides a good overview of the underfloor heating system It is easy to make all the system settings using the user interface Any alarms are displayed via the alarm icon and you receive information about the alarm in clear...

Страница 8: ...provides a centralised setback of all room thermostats in the system When activated all room thermostats show EXT in the display and the temperature setbacks to 12 C for all rooms zones The temperature can be adjusted read more under the heading Set tings Functions LK Receiver 8 ICS 2 LK Receiver 8 ICS 2 Functional description The LK Receiver 8 ICS 2 has 8 channels which means that up to 8 LK Room...

Страница 9: ...ctuator 24V max 2 actuators per output 7 Power supply The unit is connected to 230 V AC via a factory installed cable 8 Fuse Fuse 230 V AC T200mA Cut the power supply before changing fuse 9 Pump relay Potential free relay contact for control of the circulation pump 10 Relay for heat source Potential free relay contact for control of the heat source 11 Strain relief Groove for strain relief of cabl...

Страница 10: ...the pump from jamming during long periods of downtime e g summertime 8 8 230VAC FUSE BOILER PUMP 7 M 8 M L N P The wiring diagram for connecting the pump to receiver 8 Relay for heat source It is possible to control the system s heat source via the receiver s relay for the heat source The relay is located under the cover on the high voltage side of the receiver NOTE Cut all incoming power to the u...

Страница 11: ...n combination with other buttons to enable alternative functions 2 L button Enables disables learning mode 3 Button 1 Button 1 is used to select the required channel for learning 4 Thermostat input Thermostat input for connecting one wired room thermostat W ICS 2 min cable size 2 x 0 5 mm2 5 Actuator output For connection of LK Actuator 24V NO max 2 actuators per output and 5 per receiver 1 6 Powe...

Страница 12: ...etween the room thermostats the wireless room thermostat is marked with RF and the wired ver sion with W It is possible to combine both wireless and wired communications in LK Receiver 8 ICS 2 The room thermostat is installed in the room zone it is to control The room thermostat display shows the current room temperature in the nor mal view Set required temperature is displayed when you press the ...

Страница 13: ...Number on receiver and error code 3 Room temperature measurement enabled 4 Indicates constantly disconnected week program 5 Temperature indication 6 Setup menu 7 Holiday function 8 OFF ON option 9 Local general setting 10 Controlled channel weekday 11 Mode of operation 12 Button lock symbol 13 Communications symbol 14 Battery indicator Applies to wireless communications ...

Страница 14: ...system SYSD System date system cal endar Sets year month and day Set value applies to all units in the system SENM Sensor mode setting sensors For the connected external sensor you can specify the function the external sensor is to have Select from only room temperature only floor temperature room temperature combined with minimum floor temperature and room tem perature in combination with maximum...

Страница 15: ... right arrow until Holi Holiday appears in the display confirm with Set 3 Set the required temperature using the right left arrow confirm with Set Repeat the above for the other room thermostats in the system NOTE Following an activated function the risk of freezing must be considered for the vulnerable zones of the underfloor heating system such as inside the garage door or other weather exposed ...

Страница 16: ...right left arrow confirm with Set The above setting applies to the individual room thermostat Week program temperature The units are supplied with the following values as default Comfort 20 C Economy 18 C Change temperatures as follows 1 Press Set until flashes confirm with Set 2 Select Eco for night setback temperature confirm with Set 3 The temperature flashes change the tem perature using the r...

Страница 17: ...e is enabled when the temperature stops flashing 4 The display shows neither Comfort or Econ omy when the temporary increase decrease is enabled The temporary disconnection of the week pro gram disappears when the program switches be tween Economy Comfort next time Alternatively press Set for 5 seconds to return to the week program System clock The unit is fitted with a system clock In order for t...

Страница 18: ...n disappears and the room thermostat reopens Checking signal strength Before the system is put into operation the first time the signal strength should be controlled to ensure that all thermostats are within transmis sion range Follow these steps to check the signal strength 1 Press Set until flashes confirm with Set 2 Press the right arrow until RFST Radio Sig nal Strength appears in the display ...

Страница 19: ...Depending on the required function you can ei ther choose time controlled bypass or a bypass that is constantly activated until some other cir cuit opens Time controlled bypass keeps the bypass circuit open for 22 minutes then turns the circuit off The By pass function is enabled as follows 1 Press Set until flashes confirm with Set 2 Press the right arrow until BYPS By pass appears in the display...

Страница 20: ...llows 1 Press Set until flashes confirm with Set 2 Press the right arrow until SENM Sensor Mode appears in the display confirm with Set 3 The display s symbol to the left flashes Select from the following operating modes Only thermometer flashing only room temper ature Confirm with Set The external sensor is inactive Thermometer and MAX flashing room temper ature with the floor at maximum limit Co...

Страница 21: ...or heat ing installation so that it is pointing towards the nearest short side At the short side cut a jack approximately 1 metres long in the EPS board measured from the short side The conduit is positioned in this jack Insert the re mote sensor in the conduit before laying the floor and connect to the thermostat as described above LK Clip Rail 8 LK Clip Rail 12 Position a conduit along the long ...

Страница 22: ...oubleshooting resetting Typically a floor heating system from LK is ex tremely reliable However as with any other equipment problems may arise that make it nec essary to troubleshoot or reset all or part of the system Basic troubleshooting for the Room Thermostat If a fault occurs in the room thermostat the room thermostat display shows Err while an error code is displayed The meaning and possible...

Страница 23: ...dergone learning for the unit must be reset Things to consider A system that consists of multiple receivers in a single network is affected if a unit is deleted reset The net work stops working if a unit is deleted Following a reset the receiver can be re pro grammed to the network Note If the reset unit was a Master unit in the network all Slave units and all the room thermo stats in the system m...

Страница 24: ...r Red light flashing for current channel 09 ERR Reset the error by cutting power supply Check the actuator if error recurs R sends error code to RT 10 Total voltage for actua tor outputs too high Red light on R L light 10 ERR Error occurs when too many actuators connect ed either per output or total for entire R Check the number of actuators Reset error by cutting the power supply R sends error co...

Страница 25: ...ique Measuring accuracy 0 2 C Radio frequency 868 MHz Dimensions 100 x 100 x 20 mm Protection class IP20 Working temperature 1 50 C Storage temperature 20 70 C Maximum humidity during storage No condensation Article name LK Room Thermostat W ICS 2 Setting range 7 40 C Supply voltage 5 V Control function Self modulation technique Measuring accuracy 0 2 C Dimensions 100 x 100 x 20 mm Protection clas...

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