Danfoss ECL Comfort 310 Operating Manual page 8

Operating Guide ECL Comfort 310, application A333
The application A333.3 is very flexible and works like A333.2,
but with this feature:
* The motorized control valve M1 is controlled by means of a
0 - 10 volt signal.
8 | © Danfoss | 2017.09
Application A333.2:
The shown diagram is a fundamental and simplified example and does
not contain all components that are necessary in a system.
All named components are connected to the ECL Comfort controller.
List of components:
ECL 310 Electronic controller ECL Comfort 310
ECA 32 Built-in extension module
S1 Outdoor temperature sensor
S2 (Optional) Primary supply temperature sensor. For
monitoring purpose
S3 Secondary flow temperature sensor
S4 (Optional) Secondary return temperature sensor. For
monitoring purpose
S5 (Optional) Primary return temperature sensor
S7 (Optional) Primary supply pressure sensor. For monitoring
purpose
S8 (Optional) Primary return pressure sensor. For monitoring
purpose
S9 Secondary flow pressure sensor
S10 Secondary return pressure sensor
F1 (Optional) Flow meter (pulse or M-bus signal)
F2 (Optional) Flow meter (pulse, 0 - 10 volt or M-bus signal)
M1 Motorized control valve (0 - 10 volt controlled)
M2 Speed control (0 - 10 volt) of P3 / P4
M3 Speed control (0 - 10 volt) of P1 / P2
P1/P2 Circulation pumps
P3/P4 Refill water pumps
V1 Refill water valve
V2 Pressure release valve
V3 Refill water tank valve
A1 Alarm
VI.GU.T2.02