Installa
tion
Installa
tion
Electrical connections -
230 V a.c. - in general
12a
12b
230 V a.c. connections
ECA 83 connections
Terminal Description
2
Analog ground
2 and 3
Rx (resistor 10 kΩ)
3
Analog input
3 and 5
FS (flow switch)
5
Analog output 2
6
Analog ground
7
Analog output 1
ECA 83 is mounted in the controller ex factory.
Terminal Description
Max. load
1 L
Supply voltage 230 V a.c.
2 N
Supply voltage 230 V a.c.
3 M1 Actuator - open, circuit I,
heating
0.2 A / 230 V a.c.
4 M1 Actuator - close, circuit I, heating 0.2 A / 230 V a.c.
5
230 V a.c. supply voltage for M1,
circuit I, heating
6 M3 Actuator - open, circuit III
0.2 A / 230 V a.c.
7 M3 Actuator - close, circuit III
0.2 A / 230 V a.c.
8
230 V a.c. supply voltage for M3,
circuit III
9 P1
Circulation pump for circuit I,
heating
4(2) A / 230 V a.c.
10
230 V a.c. supply for P1
11 P2
Circulation pump for circuit II,
heating
4(2) A / 230 V a.c.
12
230 V a.c. supply for P2
13 P3
Circulation pump for
circuit III
4(2) A / 230 V a.c.
14
230 V a.c. supply for P3
ECA 83
Terminal Description
Max. load
6 M2 Actuator control, circuit II,
heating
7 M2 Actuator control, circuit II,
heating
5 mA / 10 V d.c.
External
source
24 V a.c. supply voltage for M2
from external source
0.2 A / 24 V a.c.
ECA 86
Terminal Description
Max. load
24 R4
Relay, NO, alarm
4(2) A / 230 V a.c.
25 R4
Relay, NC, alarm
4(2) A / 230 V a.c.
26 R4
Relay, common
4(2) A / 230 V a.c.
Wire cross section: 0.75 - 1.5 mm
2
Electrical connections
Max. 2 x 1.5 mm
2
wires can be inserted into each screw terminal.
Incorrect connection can damage the TRIAC outputs. Max. load
(terminals 3, 4, (6 and 7)) 0.2 A / 230 V a.c.!