Danfoss ECL Comfort 210 Installation Manual page 23

Installation Guide
2.5.7 Electrical connections, ECA 30 / 31
Terminal Terminal Description
ECL 210 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.
2.5.8 Electrical connections, master / slave systems
The controller can be used as master or slave in master / slave
systems via the internal ECL 485 communication bus (2 x twisted
pair cable).
The ECL 485 communication bus is not compatible with the ECL
bus in ECL Comfort 110, 200, 300 and 301!
Terminal Description
30 Common terminal
31 +12 V, ECL 485 communication bus
32 A, ECL 485 communication bus
33
B, ECL 485 communication bus
Danfoss District Energy
ECL Comfort 210, application A230
Type
(recomm.)
Cable 2 x
twisted pair
ESM-10
Type
(recomm.)
Cable 2 x
twisted pair
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).
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.H1.02 DEN-SMT/DK 23