Danfoss ECL COMFORT User Manual page 9

The following heating systems are only applicable with relay
module ECA 80
10.4 Indirectly connected heating system with
mixing loop and secondarily connected
storage charging system
System settings
Circuit Line Description
I 17
II 52
II 83
II 84
II 140
Influence on desired flow
temperature
Closed valve / normal operation
Internal relationship between
circuit I and II
Pump P2 in DHW circuit, primary
side
Function of temperature sensor
S5
10d
Recomm.
setting
3
ON
4
OFF
OFF