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
Содержание TR A301
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