SystemAir SAVE VTR 300/B - Page 37

9.3.7Overheatprotectionresetbutton
Ifthesupplyairtemperatureislow,itcanindicatethattheoverheatprotectionistriggered.Theoverheat
protectioncanberesetbypressingtheresetbutton(1).
1
Fig.12Overheatprotectionresetbutton
9.3.8WaterRe-heaterbattery
Awaterre-heaterbattery(optional),whichcanbeacquiredasanaccessory,canbecontrolledbythe
analogoutputWH(0-10VDC).ThewaterheaterusesAI4forfrostprotection(OT ,“Overheatprotection”,
changestoFPS,Frostprotectioninthemenu).
Thefrostprotectionsensorshouldthenbeastraponsurfacesensorsituatedonthereturnwatertube.
Sensortype:TG-A130
Thesupplyairsensor(SS)atAI1mustbereplacedwithaductsensorwhichcanbeacquiredasan
accessory.Sensortype:TG-K360.Seewiringdiagramformoreinformation.
Onlyelectricalorwaterre-heaterisallowed,i.e.ifawaterre-heaterisselected,theelectricalre-heateris
deactivatedandviceversa.
Note:
Ifawaterre-heaterbatteryisinstalledwestronglyrecommendyoutoalsoinstallanoutdoorairdamper
withaspringreturnactuator.
9.3.9WaterCooler
Awatercooler(optional)canbeacquiredasanaccessoryandbecontrolledbytheunit.Ifawatercooler
isinstalledthesupplyairsensor(SS)atAI1mustbereplacedwithaductsensorwhichcanbeacquired
asanaccessory.Sensortype:TG-K360.Seewiringdiagramformoreinformation.
SAVEVTR300/BInstallationandService
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SystemairAB