Steca TR A301 - Description; Controller in the Solar Circuit

9
738.955 | 10.40
EN
3 Description
3.1 Controller in the solar circuit
3.1.1 The purpose of the controller
The controller provides speed control of the ECM pump
in a solar thermal system (see section 7 "Description of
the controller functions").
3.1.2 The structure of the solar circuit
Temperature difference controller
Storage tank
ECM
pump
Temperature sensor 1
(collector sensor)
Temperature sensor 2
(lower area of storage tank)
Collector
    
T1
T2



Solar circuit
V
Optional:
Grundfos Direct
Sensors
TM
VFS 1-12
T