Installation Guide
ECL Comfort 310, application A376
A376.9 — ECA 32:
Terminal
Sensor / description
Type
(recomm.)
50 and 49 S11 Supply flow temperature
sensor*
ESM-11 / ESMB /
ESMC / ESMU
51 and 49 S12 Return temperature sensor
ESM-11 / ESMB /
ESMC / ESMU
52 and 49 S13 Return temperature sensor,
heating circuit 2
ESM-11 / ESMB /
ESMC / ESMU
53 and 49 S14 0-10 V pressure transmitter
signal
54 and 49 S15 Alarm input, only in A376.9
55 and 49 S16 Alarm input, only in A376.9
*
The supply flow temperature sensor must always be
connected in order to have the desired functionality.
Factory established jumper:
49 to common terminal.
Wire cross section for sensor connections: Min. 0.4 mm².
Total cable length: Max. 200 m (all sensors incl. internal ECL 485
communication bus)
Cable lengths of more than 200 m may cause noise sensibility (EMC).
Connection of flow switch
Connection of switches, ECA 32
Danfoss District Energy
VI.GU.B1.02
DEN-SMT/DK
37