Viessmann SDIO - Page 33

33
aÖ
Temperature sensor, NTC 10 kΩ (TS4, if instal-
led)
sS
Transfer pump or 3-way diverter valve
sF
Solar circuit pump
fÖ
Power supply
jF
PlusBus for connection to the HMU heat man-
agement unit, DIO electronics module or ADIO
electronics module
aVG
KM-BUS to Vitotronic boiler control unit
Specification
Connection and wiring diagram (cont.)
6131981
Appendix