Viessmann Vitosol
100 Technical Manual page 78

4.5 System design 5
Required control equipment
Item Description
Control of cylinder heating by solar energy
1
Vitosolic 200
2
Collector temperature sensor
3
Cylinder temperature sensor
4
Solar circuit pump (standard delivery of Solar−Divicon, see page 51)
5
High limit safety cut−out (see page 57)
Control of cylinder heating by the boiler
6
Cylinder temperature sensor
H for freestanding boilers and Vitodens 300
H for gas fired wall mounted boilers with Vitotronic 200, type HO1
H for Vitoplus 300 with weather−compensated control unit
7
Cylinder loading pump
qQ
Internal extension
or
External extension
Central heating control with solar energy
8
Temperature sensor (combination cylinder)
9
Return temperature sensor (heating circuit)
qP
Three way diverter valve
78
Number Part no.
1 7170 926
1 Included in the
delivery for item 1
1 Included in the
delivery for item 1
1 7170 931
or
7170 932
1 Z001 889
1 Included in boiler
control unit delivery
1 7179 114
1 7819 601
1 Accessory DHW
cylinder or
integrated into the
wall mounted boiler
1 7179 057
or
7179 144
1 7179 058
1 Included in the
delivery for item 1
1 7170 965
1 7814 924
VITOSOL