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Installa
tion
Terminal Description
Max. load
1 (L)
Supply voltage 230 V a.c.
2 (N) Supply voltage 230 V a.c.
3 M1 Actuator - open
0.2 A / 230 V a.c.
4 M1 Actuator - close
alt. thermo actuator
0.2 A / 230 V a.c.
5 M1 230 V a.c. voltage supply for
actuator M1
0.2 A / 230 V a.c.
6 M2 Actuator - open
0.2 A / 230 V a.c.
7 M2 Actuator - close
0.2 A / 230 V a.c.
8 M2 230 V a.c. voltage supply for
actuator M2
9 P1
Circulation pump for heating
circuit
4 (2) A / 230 V a.c.
10
Phase for pump relay R1
11 P2/
M2
DHW pump / changeover valve
/ ON/OFF valve
4 (2) A / 230 V a.c.
12
Phase for pump / valve output
R2
13 P3
Circulation pump ON/OFF
4 (2) A / 230 V a.c.
14
Phase pump relay R3
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.!
Option
:
Relay module ECA 80 (contacts: max. load 4 (2) A / 230 V a.c.)
25 (R4) Alarm relay
28 (R5) Control of the DHW charging pump in heating
systems 6 and 7.
Relay module ECA 80 is only active when the outdoor
temperature sensor is connected.
12b