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3
-- Electrical installation,
set-up
Obstacles weaken the reception strength
between the radio receiver unit and the
control or outdoor temperature sensor.
Only qualified electricians may carry out
the electrical installation.
The heating installation must be decom-
missioned before work is carried out on it.
3.1 Checking the scope of delivery
Quant-
Contents
ity
1
Control
1
Radio receiver unit
1
Fixing material (2 screws and 2 wall
plugs)
4
Batteries, LR06
1
Documentation
▶
Check that the scope of delivery is com-
plete and intact.
3.2 Selecting the lines
Line cross-section
eBUS line (fine-
wire, flexible, made
of copper)
eBUS line (single-
wire, made of cop-
per)
Sensor cable (fine-
wire, flexible, made
of copper)
Sensor cable
(single-wire, made
of copper)
Cable length
Bus lines
Sensor cable
16
0.75 ... 1.5 mm²
1.0 ... 1.5 mm²
0.75 ... 1.5 mm²
1.0 ... 1.5 mm²
≤ 125 m
≤ 50 m
Operating and installation instructions 0020323648_01
3.3 Polarity
When connecting the eBUS line, there is
no need to pay attention to the polarity. If
the connection cables are switched over,
communication will not be adversely af-
fected.
3.4 Installing the radio receiver unit
The radio receiver unit can be installed on
a heat generator.
When installing the radio receiver unit on a
heat generator, the radio receiver unit can
also be wall-mounted outside of wet envir-
onments in order to improve the reception
strength and it can be connected using an
extension cable.
3.4.1 Installing the radio receiver
unit and connecting to the heat
generator
Condition: The heat generator has an option to con-
nect it directly and is not installed in the wet environ-
ment.
A
▶
Install the radio receiver unit below the
heat generator.
▶
Connect the radio receiver unit to the
direct connection below the heat gener-
ator. The LED lights up green after 20
seconds at the latest.
B
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