Danfoss ECL Comfort 310 Operating Manual page 14

Operating Guide
14 DEN-SMT/DK
ECL Comfort 310, application P318
P318.10, ex. b, DHW application with control pump:
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 ECL Comfort 310 controller
ECA 32
Built-in extension module, 0 - 10 V outputs
ECA 35
Built-in extension module, 0 - 10 V outputs and
PWM outputs
S2 Supply temperature sensor
S3 (mandatory) DHW flow temperature sensor
S5 Return temperature sensor
S9
(mandatory) DHW circulation return temperature
sensor
S12 0 - 10 V input for desired temperature at S3
F1
Cold Water meter (pulse signal)
P1
Control pump (ON-OFF controlled)
V1
Speed control of control pump (0 - 10 V or PWM)
P3 DHW circulation pump (ON-OFF controlled)
V3 Speed control of circulation pump (0 - 10 V or
PWM)
A1
Alarm
VI.JM.Q3.02
Danfoss District Energy