9
Installation instructions VRC 430f 0020042470_01
1
2
Fig. 5.1 Radio receiver electrical connections
Key
1 Terminal rail for the wireless unit wall plinth
2 Heating unit terminal rail
h
Note!
The bridge between terminal 3 and 4 (see
Fig. 5.1) must not be removed.
When connecting the eBUS cable there is no
need to observe the correct polarity. Communi-
cation is not adversely affected by swapping
the two connections.
Proceed as follows :
Connect the eBUS cable to the terminal strip (
1
) of
the wall socket for the radio receiver unit.
Install the strain relief (
4
, Fig. 4.1).
Connect the eBUS cable to the terminal strip of the
appliance (
2
).
6 Initial
commissioning
Prerequisites:
The controller, the radio outdoor sensor and the radio
receiver unit are installed correctly.
The appliance is switched on and ready for operation.
h
Note!
Please ensure that both rotary knobs (hot
water outlet-/cylinder temperature and heating
flow temperature ) on the heating unit are set
to maximum (all the way to the right). This en-
sures an optimum level of control by the
VRC 430f.
Note!
The button on the radio receiver unit is only re-
quired for "teaching" components on the radio
network following the replacement of parts.
The VRC 430f operator control concept is explained in
Section 4.3 of the operating instructions. 4.3 Explana-
tion.
6.1 Installation
assistant
The installation assistant provides you with support dur-
ing initial start up. The installation assistant automati-
cally detects all components that are connected to the
heating system.
Up to six screens are available in the display (A1 to A6)
depending on the configuration of the heating system.
The most important parameters of the heating system
can be entered via the installation assistant.
The installation assistant starts at the first screen A1:
Language selection.
Select the language in accordance with the operator
control concept (operating instructions Section 4.3).
Turn the left-hand dial clockwise by one position
(click) to display additional screen A1.
Installation assistant
RF links
A1
Outdoor temperature sensor
10
Controller
10
Learn mode
OFF
> Select mode
Fig. 6.1 Installation assistent screen A1
You can read off or check the quality of the radio signal
path between the controller or outdoor sensor and radio
receiver unit here.
Installation 5
Initial commissioning 6
Summary of Contents for VRC 430f
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