2.2
Electrical connections
WARNING
Only qualified professionnals may carry out electrical
connections, always with the power off.
1. Cut the power supply to the boiler.
2. Accessing the boiler PCB SCU.
¼
Refer to the installation and maintenance instructions of the
boiler (Chapter: Electrical connections).
3. Connect the remote control to the terminal block that corresponds
to a circuit's room sensor.
WARNING
Under no circumstances must sensor cables (very low
voltage) be placed in cable ducts or channels carrying
cables supplying 230 V. Furthermore, a minimum distance
of 10 cm should be kept between cables supplying very
low voltage and cables supplying 230 V.
4. Turn the boiler on.
When switched on for the first time, the remote control will
show each segment on the display while it synchronises
itself with the boiler.
A000851-A
0-10V
S AMB C
4 3 2 1 2 1
+ -
S AMB B
2 1
S AMB A
2 1
S SYST + TA -
S ECS
S EXT
S DEP C
2 1
2 1
2 1
2 1
2 1
S DEP B
2 1
SCU
MODE
r
x
0
2
4
6
8
10
12
14
16
18
22
24
20
°C
c
2
x
0
,7
5
mm
2
mi
n
i
2. Installation
RS400 - Package AD257
5
23/04/2009 - 300020550-001-A
