Danfoss ECL Comfort 210 Operating Manual page 26

Operating Guide ECL Comfort 210 / 310, application A231 / A331
2.5.4 Electrical connections, ECA 30 / 31
Terminal Terminal Description
ECL 310 ECA 30 /
31
30 4
Twisted pair
31 1
32 2
Twisted pair
33 3
4
Ext. room temperature
sensor*
5
* After an external room temperature sensor has been connected,
ECA 30 / 31 must be repowered.
The communication to the ECA 30 / 31 must be set up in the ECL
Comfort controller in 'ECA addr.'
The ECA 30 /31 must be set up accordingly.
After application setup the ECA 30 / 31 is ready after 2–5 min. A
progress bar in the ECA 30 / 31 is displayed.
26 | © Danfoss | 2017.11
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).
Type
(recomm.)
Cable 2 x
twisted pair
ESM-10
ECA information message:
'Application req. newer ECA':
The software (firmware) of your ECA does not comply with the
software (firmware) of your ECL Comfort controller. Please contact
your Danfoss sales office.
Some applications do not contain functions related to actual room
temperature. The connected ECA 30 / 31 will only function as remote
control.
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).
VI.LG.P2.02