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Installation Instructions VRC 430 0020042468_026
4.5 Wall mounting the controller
1
2
5
4
3
Fig. 4.1 Fitting the external sensor 430
Key
1 Controller VRC 430
2 Wall plinth
3 Installation opening
4 Openings for cable duct
5 Terminals for eBUS line and plug connection for pin rail
Proceed as follows:
Pull the room thermostat (1) off the wall plinth (2).
This can be done by pushing a screwdriver into the
two retaining straps (see Fig. 4.1 arrows).
Mark the position on the wall. Take the eBUS line
route into account when doing so.
Drill two holes 6 mm in diameter to match the fixing
apertures (3).
Insert the rawl plugs supplied.
Insert the eBUS cable through one of the cable con-
duits (4).
Use the screws supplied to fix the wall socket .
Electrical installation is described in Chapter 5.1.
Carefully press the controller onto the wall socket
until it clicks into position. The pin rail on the back
of the controller must fit into the plug connector (5)
on the wall socket.
4.6 Fitting the external sensor
The mounting location of the external sensor should
meet the following conditions:
- not fully protected from wind
- no particularly draughty
- no direct sunlight
- no influence from heat sources
- N or NW facing facade
On buildings with up to 3 floors, the external sensor
should be two-thirds up the building; on buildings with
more than 3 floors, install it between the 2nd and 3rd
floors.
a
Caution!
Dampness in the wall and in the unit!
Incorrect installation can result in damage to
the unit and/or the wall of the building.
Observe the cable routing described and the
correct installation position of the external
sensor.
h
Note!
Installation is the same for both external sen-
sors, with the following exceptions:
– the VRC 693 requires a two-core
connection cable
– the VRC 9535 requires a three-core
connection cable
1
2
3
4
3
5
4
Fig. 4.2 Fitting the external sensor VRC 693
Key
1 Casing cover
2 Wall plinth
3 Cap nut for cable conduit
4 Connection cable with drip loop
5 Installation opening
4 Assembly
26


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