Danfoss ECL Comfort 210 Operating Manual page 9

Operating Guide ECL Comfort 210/296/310, application A232 / A332
The application A332.2 is basically like the application A332.1.
Extras in relation to A332.1:
Heating and cooling circuits have separate flow temperature
sensors and control valves.
Heating and cooling circuits have separate return temperature
sensors and limitation functions.
Changes in relation to A332.1:
P2 is circulation pump in cooling circuit
For a description of the change-over from heating to cooling
operation, please read the section 'A232 in general' .
VI.JM.G2.02
Typical A332.2 application:
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
ECA 31 Room temperature and RH sensor *
S3 Flow temperature sensor, heating
S4 Flow temperature sensor, cooling
S5 (Optional) Floor surface temperature sensor
S6 (Optional) Ceiling surface temperature sensor
S7
(not illustrated) Override input for stop of circulation
pump
S8 (not illustrated) Override input for Comfort / Saving
S9 Return temperature sensor, heating
S10 Return temperature sensor, cooling
P1
Circulation pump, heating (ON / OFF)
P2
Circulation pump, cooling (ON / OFF)
X3
Heating demand (ON / OFF)
X4
Multi-functionality
X5 Multi-functionality
M1
Motorized control valve, heating (3-point controlled)
M2
Motorized control valve, cooling (3-point controlled)
A1
Alarm
* Alternative: ESM-10, room temperature sensor
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