Danfoss ECL Comfort 210 Operating Manual page 13

Operating Guide
Danfoss District Energy
ECL Comfort 210 / 310, application A247 / A347
Typical A347.2 application, example a:
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
S1
Outdoor temperature sensor
S2 DHW return temperature sensor, circuit 2
S3 Flow temperature sensor, circuit 1
S4 DHW heating temperature sensor, circuit 2
S5 Return temperature sensor, circuit 1
S6 DHW tank temperature sensor, upper
S7 Room temperature sensor, circuit 1
S8
DHW tank temperature sensor, lower
S9 DHW charging temperature sensor, circuit 2
S10 External voltage (0–10 V) for external setting of
desired flow temperature, circuit 1
P1
Circulation pump, heating, circuit 1
P2
Charging pump, DHW, circuit 2
P3
Circulation pump, DHW, circuit 2
M1 Motorized control valve (3-point controlled), circuit 2
Alternative: Thermo actuator (Danfoss type ABV)
M2
Motorized control valve (3-point controlled), circuit 1
Alternative: Thermo actuator (Danfoss type ABV)
A1 Alarm
A / B Internal / external connections for DHW circulation
VI.LG.S3.02 DEN-SMT/DK 13