LK ICS-RF8 Manuel utilisateur
LK Floor Heating | Assembly Instructions | LK Room Temperature Control ICS-RF8
1 EN.33.C.891008
LK Room Temperature Control ICS-RF8
Design
LK Room Temperature Control ICS-RF8 is a wireless control system designed for LK Floor Heating. LK ICS-
RF8 consists of LK Room Thermostats ICS-RF, an LK Receiver unit ICS RF8 and LK Actuators.
Function
Room thermostats regulate the temperature of each room (zone) via wireless signal transmission to the receiving
control unit. The actuators for each room/zone are controlled by the receiver unit.
The system has several "smart features" such as adaptive weekly programming, holiday functions, the ability
to connect external sensors, external temperature set back via GSM switches, and more. For further information,
please see the In-depth description for LK ICS-RF8.
The system benefits from:
LK Floor Heating | Assembly Instructions | LK Room Temperature Control ICS-RF8
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•Timeless Scandinavian design
•Thermostats with LCD display
•Self-modulation technology as a standard
•Thermostats in gloss white, gloss black or silver
•Remote control via mobile phone (as addition).
•Adaptive weekly programming
•"Holiday" function
•Logging/function & system analysis
•Wired & wireless communications in the same control box
•Valve exercise program
•Pump logic
•Heat source (e.g. boiler) control
•Simple programming
•Easy installation
Installation instructions
Quick Guide - installing receiver units and thermostats
1. Install the receiver adjacent to the Manifold. Ensure there is enough space below the unit to remove the
lid and that it is possible to connect LK ICS MEM Stick vertically downwards. If the receiver is mounted
in a steel cabinet it is recommended that the radio link is placed outside the cabinet. This is easily done
with LK Antenna Cable ICS (accessories).
2. Detach back-plate from thermostat by pushing central catch at the bottom of the back-plate (use screw-
driver, pen or similar). (Refer to illustration below to open the thermostat.) Fix thermostat back-plates
to internal walls approximately 1.5 m above the floor. Take care to orientate correctly; see arrow on the
back.
3. Avoid locations that will affect thermostat operation (e.g. direct sunlight and draughts).
4. Next cut LK Actuator connection cable to length (Receiver to manifold).
5. Connect each actuator cable to a green terminal plug (NOTE: maximum two LK Actuators per terminal
and a maximum of 12 LK Actuators per receiver unit).
6. Insert one terminal plug per actuator(s) into bottom row of Receiver unit.
7. Run actuator cables through anti-tension track.
8. Place the Radio link in its holder inside the receiver.
9. Activate thermostats according to Quick Guide – programming the thermostats.
10. Once the programming is completed click the thermostats body into the back-plate.
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Quick Guide – programming the thermostats
1. Check that the radio link cable is connected to the receiver's RF input
2. Press the L key on the receiver unit for at least 3 seconds, the L-LED will light green.
3. Remove the plastic insulation from the thermostats battery compartment; the thermostat display shows
RUR.
4.
Press Mode until shows in the display.
5. The receiver units’ L-LED switches to yellow and selectable channels light up green.
6. Select a channel by pressing a desired channel key; the selected channel flashes green.
7. Confirm by pressing Mode on the thermostat; the thermostat switches to "normal view".
8. Repeat steps 3-7 for other thermostats.
9. Once the programming is complete, press the L key in the receiver unit once to finish the sequence.
NOTE:
If necessary, the thermostat and the receiver unit can be
restored to factory settings. See instructions under the
heading Reset.
NOTE:
If the installation consists of several receivers which are
controlling a single pump, please read section titled BUS
first.
NOTE:
Please read the section Checking Signal Strength before
starting the system.
Quick Guide – start-up
Once, steps above are completed, room temperature can be set on the thermostats:
1. Press right arrow to increase temperature.
2. Press left arrow to decrease temperature.
3. After some seconds, the display will revert to showing the room air temperature.
NOTE: For further information, please read In-depth description of LK ICS-RF. .
LK Floor Heating | Assembly Instructions | LK Room Temperature Control ICS-RF8
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In-depth description of LK ICS-RF
Recommendation
LK recommend that to achieve economic and efficient running of the floor heating system, that weather
compensated regulation of the flow temperature and/or the primary side (heat source) is necessary
Self-modulation technique
To ensure that LK floor heating is regulated as energy efficiently as possible, LK ICS uses self-modulation
technology. Self-modulation (self-learning) ensures that the flow in the floor heating circuits is continuously
optimized based on the room's needs; thereby giving rise to better comfort and a more energy efficient and
environmentally "smarter" floor heating system than a system that uses traditional ON-OFF technology.
Adaptive software
Another energy saving feature is that LK ICS has a built-in adaptive weekly program for lowering night
temperature (night set-back). This feature enables the system to learn when it needs to turn the floor heating on
to provide a desired temperature at a desired time.
Holiday function
When on vacation, the temperature of the heating system can be lowered for the duration; this is easily done
from any thermostat in the system by activating the built-in holiday mode. LK ICS then keeps track of how
many days the system should have a lower temperature and makes sure that the house is again warmed on return
from vacation.
Remote control
Using, for example, a GSM switch, most standard mobile phones can remotely control LK ICS floor heating.
LK Receiver Unit ICS - RF8
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Function description
The LK Receiver unit ICS RF8 has eight channels, allowing up to eight LK Thermostat ICS-RF to be connected
to the unit.
The receiver collects data from each room thermostat and sends control signals to LK actuators. One thermostat
can control more than one channel. Since the communication between the receiver unit and actuators is via
cable, the receiver unit should be placed adjacent to the manifold.
Mounting in the manifold cabinet
At delivery, the receiver unit is fitted with a short antenna cable for internal mounting of the radio link. If the
receiver unit is installed in a sheet metal manifold cabinet, it is recommended that the radio link should be fixed
outside the cabinet. Use accessory LK Antenna Cable ICS for simplicity.
Description of inputs/outputs/features
Description of the program keys (illus. 1 - 4)
Remove the receiver unit cover; the following keys are displayed:
U-key, used if the unit's software needs updating; separate instructions accompany any software update. (1)
A-key, used in combination with other keys to get alternate functions. (2)
LK Floor Heating | Assembly Instructions | LK Room Temperature Control ICS-RF8
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L-key, activates the adaptation mode. (3)
Channels 1-8, are used to select the desired channel for adaptation. (4)
Thermostat input (illus. 5)
The receiver is intended primarily for wireless communication with LK Thermostat ICS-RF; however due to
the ICS systems flexibility, the LK Thermostat ICS-W (hard-wired connected communication) can also be
connected to the receiving device using twin-core cable size 0.5mm². Connection is made via the input marked
.
NOTE:
Both hard-wired and a wireless thermostat cannot be
connected to the same channel.
Actuator output (illus. 6)
The receiver unit has eight output channels to open & close the actuators. Connection is made via the output
marked .
The actuators are simply connected to the unit via the green terminal plugs (supplied loose). A max. of twelve
actuators can be connected to the unit; a max. of two actuators can be connected to any one channel. If a regulated
zone requires multiple actuators, ICS thermostats can be easily set for more than one channel/actuator output.
Please see the Quick Guide. LK Actuators are opened once every 24 hrs. to prevent the manifold valves from
sticking in the closed position (essential long term maintenance).
Power supply (illus. 7)
The device is connected to 230 V AC
Fuse (illus. 8)
Beneath the high voltage lid, is housed a 230 VAC, T200mA fuse. Always use the same type/size of fuse that
was previously mounted.
WARNING! RISK OF ELECTRIC SHOCK!
Disconnect all incoming power to the device before the high
voltage lid is opened.
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Pump relay (illus. 9)
Circulation pumps (i.e. the pump in a shunt pack) can be controlled through the unit’s pump relay. The relay
is located under the lid of "high voltage side" of the receiver unit.
NOTE: that the relay contact is "potential free" (volt free), which means that the pump relay must be powered
from an external source and NOT from the receiver unit. The pump will start approximately 6 minutes after
any one channel calls for heat; when the relay is activated, its LED lights. The pump is run once every 24 hrs.
to prevent the pump from seizing during long downtime (e.g. during the summer). NOTE: wiring/connection
to the relay may only be performed by a qualified electrician.
See diagram below.
See also BUS section.
WARNING! RISK OF ELECTRIC SHOCK!
Disconnect all incoming power to the device before the high
voltage lid is opened.
Circuit diagram for connecting the pump
Relay for heat source (illus. 10)
Boilers/heat sources can be controlled via the heat source relay. The relay is located under the lid of "high
voltage side" of the receiver unit.
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NOTE: the relay contact is "potential free" (volt free), which means that the boiler relay contacts must be
powered from an external source and NOT from the receiver unit. The boiler/heat source will fire approximately
6 minutes after any one channel calls for heat. When the relay is activated, the Boiler LED is lit.
INOTE: wiring/connection to the relay may only be performed by a qualified electrician. See diagram below.
See also BUS section.
WARNING! RISK OF ELECTRIC SHOCK!
Disconnect all incoming power to the device before the high
voltage lid is opened.
Circuit diagram for connecting the heat source
Anti tension track (illus. 11)
An anti-tension track is built in to the receiver unit to protect cables connected to the actuators thermostats,
BUS and cables for remote control.
BUS (illus. 12)
Where multiple receiver units are required to control a single pump or single heat source, three-core cable is
connected to the receiver in parallel via the BUS input terminal.
Please refer to detailed instructions at the end of this instruction.
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Switch NO/NC function (illus. 13)
The receiver can be switched to operate actuators either normally closed (NC) or normally open (NO) The
adjustment is done by moving the NC/NO "jumper" to the appropriate position as shown in the illustration
below.
Termination of the network (illus. 13)
When two or more receiving units are connected in a network, the start and end of the network must be identified
for the network to function properly. (NOTE: for further information please see the BUS section.)
Setback input (remote control) (illus. 14)
The unit is equipped with an input for remote control temperature reduction, for example, via a GSM switch.
A closed contact enables centralized control for all the thermostats in the system. When activated, all thermostats
show EXT in the display and the temperature is lowered to + 12 degrees (factory set) for all rooms/zones; the
temperature can be adjusted. NOTE: for more information, please see adjustment/setting of the Thermostat
ICS-RF.
MEM input (illus. 15)
The receiver is equipped with a MEM port that is used primarily when there is to be a system log maintained.
Measurement data is sent to LK ICS MEM Stick once per minute. With the help of measurement data and LK
ICS Analyzer software, the installer can easily verify/analyze the installation.
1. Insert the LK ICS MEM Stick into the MEM port. Please note the date.
2. The green U-LED glows constantly.
3. Remove LK ICS MEM Stick when logging is completed.
4. Transfer the information to the LK ICS Analyzer.
NOTE:
The LK ICS Analyser and LK ICS MEM Stick is only available
to LK’s dealers.
It is also possible to update the device software via the MEM port. Instructions are supplied with all software
updates that may be necessary.
GW input (illus. 16)
Input for real-time logging of device. This feature can only be used by LK Systems because it requires special
programs and expertise.
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RF input (illus. 17)
Input for Radio link.
Radio link (illus. 18)
LK Thermostat ICS-RF
Function description
Thermostats are positioned in a room/zone to control air (comfort) heating. The thermostat display shows the
current room temperature as standard. The set or desired temperature is displayed when the left or right arrow
is pressed once. Press again to change the temperature in increments of 0.5°C.
The thermostat, as standard, monitors internal room temperature. It is also possible to equip the thermostat with
LK External Sensor ICS. Additionally the thermostat can control/check the floor temperature alone, or the floor
temperature in combination with the room temperature. NOTE: for further information, please see the section
entitled External sensors.
The thermostat has a programmable clock feature that makes it possible to lower the temperature at night using
a weekly program. By default, the program starts/stops when the programmed start/stop times occur.
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