VR 90 Remote control unit
A separate remote control device can be connected for
the first eight heating circuits (HK1 … HK8). It allows the
operating mode and target room temperature to be set,
and takes into account the actual room temperature
measured by the built-in room sensor, if necessary.
It is also possible to adjust the parameters for the asso-
ciated heating circuit (time programme, heating curve
etc.) and to select the special functions (party etc.).
It is also possible to query the heating circuit, and show
maintenance and fault messages for the heater. Com-
munication with the heating control unit is via the eBus.
VR 10 standard sensor
Fig. 4.1 VR 10 standard sensor
Additional sensors are required as flow, return, collector
or cylinder sensors, depending on the configuration of
the system. A standard sensor is available in the Vaillant
accessory range to this end. The VR 10 standard sensor
is so designed that it can be used as an immersion sen-
sor, e.g. as a cylinder sensor in a cylinder sensor tube,
or as a flow sensor in a hydraulic switch. Using the enc-
losed cable tie, the VR 10 standard sensor can also be
fastened to the flow or return pipe as a contact sensor.
To ensure good heat transfer, the sensor is flat on one
side. We also recommend that the pipe with the sensor
is insulated to ensure optimum temperature measure-
ments.
"teleSWITCH" telephone remote switch
The teleSWITCH telephone remote switch
(Part No. 300679) is connected to the telephone line.
Using the telephone switch it is possible to change the
operating mode of individual heating circuits or the
cylinder circuit from any desired location.
4.4 Unpacking
the
unit
Carefully remove the packaging, taking care not to
damage any parts of the unit.
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4.5
Checking the scope of delivery
Check the material supplied for completeness
(
¬ Table 4.1
).
4.6
Dispose of the packaging
The disposal of the transport packaging is part of the
installation of the controller.
Dispose of the transport packaging in a professional
manner.
4.7 Observe
the
requirements for the installation
location
Controller
The controller should only be installed in dry rooms.
If you mount the controller on a wall, position it so
that correct measurement of the room temperature
is assured; e.g. on an internal wall of the main living
room, at a height of approx. 1.5 m
If thermostatic control is activated, advise the opera-
tor that, in the room where the controller is mounted,
all the radiator valves must be fully open.
External sensor
Make sure that the installation location:
is neither shielded from the wind nor particularly
draughty,
is not in direct sunlight,
is facing north or north-west.
Take care that the external sensor has a clearance of
at least 1 m from any openings in the outside wall
from which warm air flows constantly or occasionally.
Make sure that, on buildings up to three storeys high,
the external sensor is mounted 2/3 of the way up and
on buildings with more than three storeys, the sensor
is mounted between the 2nd and the 3rd. storeys.
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21
Installation Instructions VRC 630 0020095108_00
Assembly 4
Содержание VRC 630
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Страница 152: ...0020095108_00 GB 022010 Subject to alterations ...