Danfoss ECL Comfort 310 Installation Manual page 39

Installation Guide
2.5.6 Electrical connections, ECA 30 / 31
Terminal Terminal Description
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.
Danfoss District Energy
ECL Comfort 310, application A376
Type
(recomm.)
Cable 2 x
twisted pair
ESM-10
ECA 30 / 31
ESM-10
ECA information message:
'Application req. newer ECA':
The software of your ECA does not comply with the software 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).
Max. two ECA 30 / 31 can be connected to an ECL Comfort controller.
An ECA 30 / 31 can be connected to each of the heating circuits.
VI.GU.B1.02
ECL 210 / 310
B
A
B
A
DEN-SMT/DK 39