6. Installation
6.1 Electrical connection RGB
- Route connecting lines from RGB to boiler.
- The cables should be fixed in the starin relief clamp of the control panel and con-
nected according to the connection diagram.
Fig. 6: Strain relief
1
2
3
4
C0000654
1. Insert cables and snap shut clips until they lock
2. Press down clip screws
3. Tighten clip screw with screwdriver
4. Lever open the snap-mechanism with a screwdriver to open the cable clips
Connections
The room device RGB has to be connected to the terminal FB of the controller ISR-
RVS, ISR-LMU 7 or ISR-LMS.
Terminal
Designation
Application
1
CL +
RGT Data
2
CL -
RGT earth
Caution!
When using an RGB and RGT on an LMU7, the RGT-connection must be
carried out as a 3-wire connection (terminal 1, 2 and 3). Otherwise, the right to
claim under garantee becomes invalid.
Cable lengths
Bus cables do not carry mains voltage but carry low voltage. They must not be rou-
ted in parallel to the mains cables (interference signals). Otherwise shielded cables
should be used.
Permitted 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
Installation
136 103 03.11
Room device RGB B
21
GB
