Danfoss ECL Comfort P30, User Manual, Page: 14 / 56

Installa
tion
Connecting the temperature sensors and the bus
Terminal Description Type
(recomm.)
15 and 16 System device bus,
connections for room
panel / remote control
ECA 60 / 62
ECA 61 / 63
17 and 16 S1 Outdoor temperature
sensor
ESMT
18 and 16 S2 Room temperature sensor ESM-10
19 and 16 S3 Flow temperature sensor ESM-11 / ESMC /
ESMU
20 and 16 S4 Return temperature
sensor
ESM-11 / ESMC /
ESMU
Establish the jumper from 16 to common terminal.
Wire cross section for sensor connections:
Min. 0.4 mm
2
Total cable length: Max. 125 m (all sensors incl. system device
bus)
Cable lengths of more than 125 m may cause noise sensibility
(EMC).
Connecting and placing the
temperature sensors
14a