Viessmann SCU345, Manual

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Adjustment channels
Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page
ARR 1 23 System 43
ROSA 0000 29 ROSA number
LOAD1 > Loading 1
DT1O 6.0 K [12.0 °Ra] Switch-on temperature difference 1 43
DT1F 4.0 K [8.0 °Ra] Switch-off temperature difference 1 43
DT1S 10.0 K [20.0 °Ra] Set temperature difference 1 43
RIS1 2 K [4 °Ra] Rise 1 43
S1MAX 60 °C [140 °F] Tank maximum limitation 1 44
SMXS1 2 Sensor tank max 1 44
LOAD2 > Loading 2
DT2O 6.0 K [12.0 °Ra] Switch-on temperature difference 2 43
DT2F 4.0 K [8.0 °Ra] Switch-off temperature difference 2 44
DT2S 10.0 K [20.0 °Ra] Set temperature difference 2 44
RIS2 2 K [4 °Ra] Rise 2 44
S2MAX 60 °C [140 °F] Tank maximum limitation 2 44
SMXS2 4 Sensor tank max 2 44
LST2 ON Loading tank 2 45
COL 1 > Collector 1
CEM1 130 °C [270 °F] Collector emergency temperature 1 46
OCCO1* OFF Collector cooling option 1 46
CMAX1 110 °C [230 °F] Maximum collector temperature 1 46
OCMI1 OFF Collector minimum limitation option 1 46
CMIN1 10.0 °C [50.0 °F] Minimum collector temperature 1 46
OTCO1 OFF Evacuated tube collector function option 1 46
TCST1 07:00 Evacuated tube collector starting time 1 47
TCEN1 19:00 Evacuated tube collector ending time 1 47
TCRU1 30 s Evacuated tube collector runtime 1 47
TCIN1 30 min Evacuated tube collector standstill interval 1 47
OCFR OFF Collector frost protection option 47
CFR O 4.0 °C [40.0 °F] Antifreeze temperature collector on 47
CFR F 5.0 °C [42.0 °F] Antifreeze temperature collector off 47
FRPST 1 Antifreeze tank selection 47
COL 2 > Collector 2
CEM2 130 °C [270 °F] Collector emergency temperature 2 46
OCCO2* OFF Collector cooling option 2 46
CMAX2 110 °C [230 °F] Maximum collector temperature 2 46
OCMI2 OFF Collector minimum limitation option 2 46
CMIN2 10.0 °C [50.0 °F] Minimum collector temperature 2 46
OTCO2 OFF Evacuated tube collector function option 2 46
TCST2 07:00 Evacuated tube collector starting time 2 46