14
Control of cascade switching with freely programmable controllers
The outputs for the stop valves are switched on by comparison functions, with one comparison func
-
tion for each valve. The relevant switch-on and switch-off thresholds should be chosen in the same
way as for the UVR67.
Cascade switching with circulation line
Schematic diagram for activating the DHW circulation pump with the FRI
-
STAR3 controller
Figure with fresh water stations version, version "Pump on the right"
The circulation pump is connected only to the always ready
FRISTAR3
.
Circulation pump
