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LIMITED - 4th Floor, Lincoln House, 300 High Holborn, London WC1V 7JH
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Creating innovative solutions for ambient comfort
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The boiler is not heating:
-CheckthattheThermostatiscallingforheatifyesthenthethermostatwould
appeartobeworkingcheckthattheboilerhasnotswitcheditselfoff.
If no increase set temperature.
-Checkthepositionofthebatteries.Removethemfor30secondsand
reinsertthem.Iftheproblempersists,replacethe2batteries.
Nothing in the display:
-Checkthepositionofthebatteries.Removethemfor30secondsand
reinsertthem.Iftheproblempersists,replacethe2batteries.
The room temperature is not high enough, the boiler is not providing
enough heat:
- Check the active operating mode (seepage3) - the room thermostat
maybeinanEco,StandbyorAutoModeentailingatemperaturedrop.
- Check the active desired temperature and increase it if need be (see
page 2).
The temperature in the room is lower than the setpoint temperature:
-Checktheprogramming.ThethermostatcouldbeinascheduledEco
period.
-Ensurethatthetimedisplayedisthesameasthecurrenttime.
You made a mistake while setting:
-You just need to restore factory settings, as explained in the “Factory
settings” section (seepage3).Thiswillreverseanychangesyoumight
have made.
The system is not heating but is on:
- If andindicatorlightisonbutthesystemremainscold,thenyoushould
contactyourinstaller.
If the problem persists, then contact your installer.
TROUBLESHOOTING
...anexplanationforhouseholders
A room thermostat simply switches
the heating system on and off as
necessary. It works by sensing the
air temperature, switching on the
heating when the air temperature
falls below the thermostat setting,
and switching it off once this set
temperature has been reached.
Turning a room thermostat to a hi-
ghersettingwillnotmaketheroom
heatupanyfaster.Howquicklythe
room heats up depends on the design of the heating system, for exa-
mple,thesizeofboilerandradiators.Neitherdoesthesettingaffecthow
quicklytheroomcoolsdown.
Turningaroomthermostattoalowersettingwillresultintheroombeing
controlledatalowertemperature,andsavesenergy.
Theheatingsystemwillnotworkifatimeswitchorprogrammerhasswit-
ched it off. The way to set and use your room thermostat is to nd the
lowesttemperaturesettingthatyouarecomfortablewith,andthenleave
italonetodoitsjob.Thebestwaytodothisistosettheroomthermostat
toalowtemperature–say18ºC–andthenturnitupbyonedegreeeach
dayuntilyouarecomfortablewiththetemperature.Youwon’thaveto
adjustthethermostatfurther.Anyadjustmentabovethissettingwillwaste
energy and cost you more money.
Ifyourheatingsystemisaboilerwithradiators,therewillusuallybeonly
oneroomthermostattocontrolthewholehouse.Butyoucanhavediffe-
rent temperatures in individual rooms by installing thermostatic radiator
valves(TRVs) onindividualradiators.If youdon’thaveTRVs, youshould
chooseatemperaturethatisreasonableforthewholehouse.Ifyoudo
have TRVs, you can choose a slightly higher setting to make sure that
eventhecoldestroomiscomfortable,thenpreventanyoverheatingin
other rooms by adjusting the TRVs.
Roomthermostats need a freeow of airto sense thetemperature, so
they must not be covered by curtains or blocked by furniture. Nearby
electricres,televisions,wallortablelampsmaypreventthethermostat
fromworkingproperly.
WHAT IS A ROOM THERMOSTAT
Pleaserefertotheinstallinginstructionsforanyinformationsaboutbatte-
rieslife,standardsandproductenvironment.
TECHNICAL SPECIFICATIONS
FACTORY SETTINGS
AllLCDdisplaywillbeturnedONfor2secondsandthefactorysettings
willberestored.
Note:Torestorefactorysettings,pressandholddownthispartformore
than3secondsusingthetipofapen.
Settings Factory settings
Comfort temperature 20°C
Eco temperature 10°C
Comfort period 1 Startat06:30am Endat08:30am
Comfort period 2 Start at 12:00 pm End at 02:00 pm
Comfort period 3 Start at 05:00 pm End at 10:00 pm