Installation Guide
ECA 30 / 31 for ECL Comfort 210 / 210B / 310 / 310B
3.4 Electrical connections
3.4.1 Electrical connections, ECA 30 / 31
Terminal
ECL
Terminal
ECA 30 / 31
Description
Type
(recomm.)
30
4
31
1
Twisted pair
32
2
33
3
Twisted pair
Cable 2 x
twisted pair
4
5
Ext. room temperature
sensor*
ESM-10
* 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.
ECL 210 / 310
ECA 30 / 31
A
A
B
B
D
a
n
fo
s
s
8
7
H
2
0
5
1
.1
0
ESM-10
If the actual application contains two heating circuits, it is possible
to connect an ECA 30 / 31 to each circuit. The electrical connections
are done in parallel.
Max. 2 ECA 30 / 31 can be connected to an ECL Comfort 310 controller
or to ECL Comfort 310 controllers in a master-slave system.
16
DEN-SMT/DK
VI.GU.V1.02
Danfoss District Energy
