Samson TROVIS 5573 - 16.4 System-wide functions

16-66 EB 5573 EN
Appendix A (conguration instructions)
16.4 System-wide functions
16.4.1 Automatic summer/standard time switchover
ThetimeisautomaticallychangedonthelastSundayinMarchat2.00handonthelast
SundayinOctoberat3.00h.
Functions Default Conguration
Summer time 1 CO5->F08-1
16.4.2 Frost protection
Frost protection measures are taken when the outdoor temperature falls below 'Frost protec-
tionlimit'.Theswitchingdifferentialtocancelthefrostprotectionmeasuresisalways1°C.
Frost protection program I (restricted frost protection)
Frost protection measures are taken only when all heating circuits in the system are in stand-
bymode.Thecirculationpumpsareautomaticallyswitchedonandtheirowtemperatureset
pointsareadjustedto10°C.ThecirculationpumpintheDHWcircuitisautomatically
switched on only when the stand-by mode has been adjusted at the rotary switch in all heat-
ingcircuits.Nevertheless,thestoragetankisalwaysrechargedto10°Cifthestoragetank
temperaturefallsbelow5°C.
Frost protection program II:
Theheatingcircuitcirculationpumpsarealwaysswitchedonautomatically.Theowtem-
peraturesetpointsofallheatingcircuitscurrentlyinstand-bymodearesetto+10°C.Inthe
DHW circuit, the circulation pump is always activated. If the storage tank temperature falls
below+5°C,thestoragetankisrechargedto+10°C.
Functions Default Conguration
Frost protection program I
3.0°C
CO5->F09-0
Frostprotectionlimit:–15to+3.0°C
Frost protection program II
3.0°C
CO5->F09-1
Frostprotectionlimit:–15to+3.0°C