Tech Controllers ST-976 - Page 30

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30
Weather‐basedcontrol
BUILT‐IN
VALVE/
ADDITIONAL
VALVE1,2 

WEATHER‐
BASEDCONTROL



OFF

ON
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Heatingcurve
For the function of weather control to be active, the external sensor mustn't be exposed to sunlight or
influencedbyweatherconditions.Afterithasbeeninstalledandconnected,weather‐basedcontrolfunction
needstobeactivatedinthecontrollermenu.
Heatingcurve
Heatingcurve–acurveaccordingtowhichthepre‐setcontrollertemperatureisdetermined,onthebasisof
externaltemperature.Inorderforthevalvetooperateproperly,theuserdefinesthepre‐settemperature
value(downstreamofthevalve)forrespectivevaluesofexternaltemperatures‐20°C,‐10°C,0°Cand10°C.
Howtoprogramtheheatingcurve:
 SelectHeatingcurveoption.
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 Usetheicons  toselecttheexternaltemperaturethreshold.
 Definethepre‐settemperatureforagiventhresholdusingtheicons:  .
 Onceallvalueshavebeenconfigured,select .
Roomregulator
BUILT‐IN
VALVE/
ADDITIONAL
VALVE1,2 

ROOMREGULATOR


Controlwithoutroomregulator
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Standardregulator
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RSregulator‐proportional

Standardvalveregulator
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Roomregtemplower

Valveclosing

Roomtemperaturedifference

Changeinthesettemp

Thisfunctionenablestheusertoselectandconfiguretheoperationoftheroomregulatorwhichwillcontrol
thevalve.