9
EN.33.C.152.1405
Assembly instructions | LK Room Temperature Control ICS.2
LK Receiver 8 ICS.2, overview
U
L
A
1
1
2
3
7
4
5
6
8
3
2
8
7
6
5
4
230VAC
FUSE
BOILER
PUMP
2
M
1
M
BUS
SETBACK
Pwr
3
M
4
M
5
M
6
M
7
M
8
M
NC
T
NO
RF
MEM
1
17
3
4
7
8
2
9 10
16
15
14 13 12
5
6
11
LK Receiver 8 ICS.2
No. Name
Description
1
U button
Used if the unit software needs updating.
2
A button
Used in combination with other buttons to enable alternative functions.
3
L button
Enable/disable learning mode.
4
Buttons 1-8
Buttons 1-8 are used to select the required channel for learning.
5
Thermostat input
Thermostat input for connecting wired LK Room Thermostats ICS.2 W
(Min. cable area 2 x 0.5 mm
2
).
6
Actuator output
For connection of LK Actuator 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 cables.
12
Modbus connection
For connection of LK Webserver ICS.2 or connection of BMS (min. cable area 3 x 1.5 mm
2
).
13
NO/NC jumper
For adaptation of the unit to suit NO or NC actuators.
14
Setback input
Closed contact provides centralised lowering of all room thermostats in the system.
15
MEM input
For logging of measurement data or updating software.
16
Antenna input
For connecting the unit's antenna.
17
Antenna
For communication with the wireless room thermostats and the receivers when they are con-
nected to the network.
