15
EN.33.C.152.1405
Assembly instructions | LK Room Temperature Control ICS.2
Settings/functions
Setback (central temperature reduction)
The LK Receiver 8 ICS.2 is fitted with a setback
input. Enabled contact (closed contact) gives
a temperature setback for the entire system.
The setback temperature is pre-set to 12 °C. The
temperature can be changed for individual room
thermostats as follows:
1. Press
Set
until flashes, confirm with
Set
.
2. Press the right arrow until
SET
(Setback)
appears in the display, confirm with
Set
.
3. Select the temperature using the left /right
arrow, confirm with
Set
.
Repeat the above for the oth-
er room thermostats in the system.
Holiday function – set the temperature
The room thermostat is fitted with a 'holiday func-
tion' which means that you can activate a general
temperature reduction for the system for 1-99 days
from any room thermostat. The temperature setback
is factory pre-set to 12 °C room temperature.
The temperature can be changed for individual
room thermostats as follows:
1. Press
Set
until flashes, confirm with
Set
.
2. Press the 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 edge zones.
Holiday function – enable
The function is enabled from any room thermo-
stat as follows:
1. Press
Set
until flashes, confirm with
Set.
2. Select using the right arrow, confirm
with
Set
.
3. Select
ON
, confirm with
Set
.
4. Select the number of days using the left /
right arrow, confirm with
Set
.
The room thermostat now displays how many
days are left. The days count down accordingly.
When the days are set at zero, the room thermo-
stats return to normal operation.
NOTE:
Note that the countdown starts when the activation was
made which means the countdown takes place the next
day at the same time.
Holiday function – disable
The function is disabled from any room thermo-
stat as follows:
1. Press
Set
once.
2. Select
OFF
, confirm with
Set
.
3. The room thermostat switches to normal view.
Other room thermostats automatically switch to
normal view within about five minutes.
