Viessmann Vitosol 100-FM Technical Manual page 24

Solar control units
Solar control module, type SM1
Function extension in enclosure for wall
mounting
– Electronic temperature differential control
for dual mode DHW heating and central
heating backup from solar collectors in con-
junction with a boiler
– Control and display via the boiler control
unit
6
VIESMANN
24
Vitosolic 100
Electronic temperature differential controller
for systems with dual mode DHW heating
with solar collectors and boilers
Vitosolic 200
Electronic temperature differential controller
for up to 4 consumers for the following sys-
tems with solar collectors and boilers:
– Dual mode DHW heating with dual mode
DHW cylinders or several DHW cylinders.
– Dual mode DHW and swimming pool heat-
ing
– Dual mode DHW heating and central heat-
ing backup
– Large solar thermal systems
VITOSOL