Danfoss ECL Comfort 300 User Manual page 2

The shown diagram is a fundamental and simplified example and
does not contain all components that are necessary in a system.
If the system you are about to install differs from the shown
diagram of a standard system, feel free to sketch an outline for
comparison. Adaptation of systems, see section 10.
List of components:
ECL Comfort 300
S1 Fuel cell, flow temperature sensor
S2 Fuel cell, return temperature sensor
S3 Upper DHW storage tank temperature sensor
S4 Center DHW storage tank temperature sensor
S5 Lower DHW storage tank temperature sensor
S6 DHW temperature sensor
P1 Primary pump
P2 DHW circulation pump
P3 Standby pump
E1 Electric heater
FC Fuel cell control
FS Flow switch