Installa
tion
Terminal Description
Max. load
1 (L)
Supply voltage 24 V a.c.
2 (N) Supply voltage 24 V a.c.
3 M1 Actuator - open, circuit I
1.0 A / 24 V a.c.
4 M1 Actuator - close, circuit I
alt. thermo actuator
1.0 A / 24 V a.c.
5
24 V a.c. supply voltage for
motor output, circuit I
6 M2 Actuator - open, circuit II
1.0 A / 24 V a.c.
7 M2 Actuator - close, circuit II
alt. thermo actuator
1.0 A / 24 V a.c.
8
24 V a.c. supply voltage for
motor output, circuit II
9 K1
Relay for circulation pump for
circuit I
4 (2) A / 24 V a.c.
10
24 V a.c. supply voltage for
pump relay R1
13 K3
Relay for circulation pump for
DHW circuit II
4 (2) A / 24 V a.c.
14
24 V a.c. supply voltage for
pump relay R3
* K1 / K3 auxilliary relay coil 24 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)) 1.0 A / 24 V a.c.!
13b
Summary of Contents for ECL Comfort 300
Page 4: ......
Page 9: ...Installation 11b...
Page 17: ...Installation...
Page 32: ...The grey side of the ECL Card Basic set up...
Page 59: ...The grey side of the ECL Card Extended service...