Installation
GB
59-273 390.4 04.10 Fh
0-10 V / Relay module CISP C
19
5.
Installation
5.1
Electrical connection
Mains voltage: 1/N/PE, AC 230 V +6% -10%; 50 Hz
Work has to be carried out by a qualified electrician.
Cable lengths
Bus cables have no mains voltage, but carry low voltage. They
must not be installed in parallel to the mains cables (interfe-
rence signals). Otherwise screen cables should be used.
Permissible cable lengths:
Cu-cable up to 20m: 0.8 mm
2
Cu-cable up to 80m: 1 mm
2
Cu-cable up to 120m: 1.5 mm
2
Cable types : e.g. LIYY or LiYCY 2 x 0.8
5.2
Connection sensor / components
The wiring diagram must be followed!
Optional accessories must be fitted and connected according to the in-
structions provided. Connect to the mains. Check earthing.
Connect the optional accessories according to wiring diagram.
5.3
Fixing in strain relief clamps
All electrical cables must be installed with the accompanying scre-
wed cable glands (with integrated strain relief clamps) through the
holes in the boiler base and fixed. Then the cables should be fixed
in the strain relief clamp of the control panel (Abb. 1) and connec-
ted according to the wiring diagram.
Abb 1: Strain relief
1.
Insert cables and snap shut clips until they lock
2.
Press down clip screws
3.
Tighten clip screw with screw driver
4.
Lever open the snap-mechanism with a screw driver to open the cable clips
1
2
3
4