SOMFY 1870932 Manuel utilisateur

Weather Station KNX

Art. no.: 1870932

Operating instructions

1 Safety instructions

Electrical devices may only be mounted and connected by electrically skilled persons.

Serious injuries, fire or property damage possible. Please read and follow manual fully.

These instructions are an integral part of the product, and must remain with the end customer.

2 Device components

Figure1: View

Figure2: Underside view

(1) Sensor head

(2) Grub screw for locking

(3) Fastening arm

(4) Global radiation sensor

(5) Precipitation sensor

(6) Light and twilight sensors

(7) Mounting for fastening arm with bus connection

(8) Air humidity sensor

(9) Wind speed and wind direction sensor

(10) Temperature sensor

(11) Guide blade

(only if mounted on a mast)

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3 Function

System information

This device is a product of the KNX system and complies with the KNX directives. Detailed tech-

nical knowledge obtained in KNX training courses is a prerequisite to proper understanding.

The function of this device depends upon the software. Detailed information on loadable soft-

ware and attainable functionality as well as the software itself can be obtained from the manu-

facturer´s product database. Planning, installation and commissioning of the device are carried

out with the aid of KNX-certified software. The latest versions of product database and the tech-

nical descriptions are available on our website.

Intended use

– Measurement and evaluation of weather data: Wind speed, Wind direction, Precipitation,

Brightness, Global radiation Twilight, Temperature, Relative air humidity and Air pressure

– Installation on the outside of buildings, preferable in the roof and facade area

– Operation with additional power supply (see accessories)

Product characteristics

– Integrated GPS/GLONASS receiver for automated positioning

– Calculation of additional weather data: Absolute air humidity, chill temperature, comfort

– Function for shading control

– Integrated KNX bus coupling unit

– Measurement data acquisition and limit value monitoring

– Software logic modules for linking events

– Integrated heating

The measured values apply to the mounting location. Variations to other weather services

– e.g. through local turbulence or areas with build-ups of air – are possible.

4 Information for electrically skilled persons

DANGER!

Electrical shock on contact with live parts in the installation environment.

Electrical shocks can be fatal.

Before working on the device, disconnect the power supply and cover up live parts

in the working environment.

4.1 Fitting and electrical connection

Selecting installation location

Figure3: Minimum distance to surfaces

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Figure4: Avoid spray water

Figure5: Maximum load on the fastening arm

Select a mounting selection in which the weather station is not influenced by local obstacles or

shading, such as surrounding trees, chimneys, awnings, etc. The sensor must be able to detect

wind, rain and ambient brightness without impedance. Avoid slipstream, shadow casting and

light reflection.

Preferred mounting on a freestanding mast. If mounted on house walls, the measurement of

wind and brightness in particular can be distorted.

Do not mount it below or next to building sections, from which water can drip onto the device.

Select the mounting location so that the weather station will be accessible.

In the case of flat roofs, locate the weather station as close to the centre of the roof as possible.

Minimum distance to surfaces below the weather station: 0.6 m (Figure 3). Otherwise, the

sensors on the underside may get damaged by penetrating spray water (Figure 4).

Direct sunlight, chimneys or other waste gas or ventilation systems affect the temperature

measurement.

Do not operate in the vicinity of radio transmitter systems. Doing so will compromise function.

Do not connect more than 3 weather stations in a KNX line.

Mounting weather station without fastening arm on freestanding mast

Figure6: Mounting on freestanding mast without fastening arm

Use mast with outer diameter <25 mm and inner diameter >19 mm.

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￭ Mount enclosed guide blade (11) in the fields provided next to the connection (7).

If mounted on a mast without the guide blade, no correct wind direction measurement is

possible due to the resulting turbulences.

￭ Route the power supply line through the mast.

￭ Attach the 7-pin plug to the connection (7). Tighten threaded ring with max. 0.5 Nm.

￭ Mount weather station onto the mast and align. The grub screw (2) must be pointing

north.

￭ Tighten grub screw (2) with max. 0.6 Nm.

Mounting weather station with fastening arm on mast or wall

Figure7: Mounting with fastening arm

Mount enclosed fastening arm onto a suitable mast or wall.

The enclosed hose clamps are suitable up to a maximum mast diameter of 60 mm.

If mounted on the supplied fastening arm, do not mount the enclosed guide blade.

￭ Mast mounting: Attach fastening arm to mounting mast using the enclosed hose clamps.

￭ Wall mounting: Attach fastening arm to the wall through the boreholes (Figure 8) using

suitable screws.

￭ Route the power supply line along the underside of the fastening arm and guide the 7-pin

plug through the open pipe socket at the end of the fastening arm.

￭ Attach the 7-pin plug to the connection (7). Tighten threaded ring with max. 0.5 Nm.

￭ Mount weather station onto the mast and align. The grub screw must be pointing north.

￭ Tighten grub screw with max. 0.6 Nm.

￭ Route the power supply line through the cable bushing into an installation pipe.

Figure8: Fastening arm – dimensions for boreholes

Mounting and connecting the device

￭ Connect bus line and external power supply to power supply line.

red KNX+

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Black KNX–

orange AC/DC 24 V ~/+

brown AC/DC 24 V ~/-

The sensor head is translucent. Therefore, do not stick or write on the sensor head.

Aligning the device

Figure9: Orienting the weather station

￭ Align the sensor head in the appropriate direction or - depending on the detailed on-site

circumstances - according to the alignment of the facade (Figure 9).

4.2 Commissioning

Commissioning the device

Figure10: Position of the programming LED and reed contact

￭ Switch on the bus voltage.

￭ Switch on supply voltage.

￭ Hold the supplied programming magnet by the integrated reed contact (12).

The programming LED (13) indicates the programming state blue.

￭ Assign physical addresses and load application software into the device.

￭ Note the physical address on adhesive labels on the underside.

The device is ready for operation.

5 Technical data

Supply

Rated voltage AC24 V SELV (± 10%)

Rated voltage DC 21 ... 32 V SELV

Current consumption 100 ... 400 mA (dependent on the weather)

Protectionclass III

Connecting cable

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Cable type LiYCY 4xAWG26

Length connecting cable 5 m

Total length per line 15 m

Number of weather stations max. 3 (per line)

KNX

KNX medium TP256

Commissioning mode S-mode

Rated voltage KNX DC 21 ... 32 V SELV

Current consumption KNX max. 5 mA

Ambient conditions

Ambient temperature -30 ... +60 °C

Storage/transport temperature -25 ... +70 °C

Degree of protection IP 44 (in position for use)

Housing

Dimensions Ø×H 130×68 mm

Weight approx. 230 g

Wind direction sensor

Measuring range 1...360°

Resolution 1°

Accuracy ± 10° (laminar wind stream)

Wind speed sensor

Measuring range approx. 0 ... 40 m/s

Resolution 0.1 m/s

Accuracy ≤ 10 m/s ± 1 m/s

Accuracy >10 m/s ± 5 %

Accuracy as RMS average value over 360°.

Temperature sensor

Measuring range -30 ... +60 °C

Resolution 0.1 K

Accuracy ± 1 K (Wind > 2 m/s, for -5 ... +25 °C)

Precipitation sensor

Measuring range yes/no

Accuracy Fine drizzle

Brightness sensors

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Number 4

Measuring range approx. 0 ... 150 klx

Spectral range 475 ... 650 nm

Resolution 1 klx

Accuracy ± 3 %

Twilight sensor

Measuring range approx. 0...900 lx

Resolution 1 lx

Accuracy ± 10 lx

Air pressure sensor

Measuring range 300 ... 1100 hPa

Resolution 0.01 hPa

Accuracy ± 0.5 hPa

Humidity sensor

Measuring range 0 ... 100 % rel. humidity

Resolution 0.1 % rel. humidity

Accuracy ± 10% rel. humidity (20°C)

abs. humidity 0 ... 400 g/m³

Resolution 0.01 g/m³

Global radiation

Measuring range 0 ... 1300 Watt/m²

Resolution 1 Watt/m²

Accuracy ± 10 %

Spectral range 350 ... 1100 nm

All accuracy specifications relate to the respective measuring range end value.

6 Accessories

animeo Power Supply DC 1860093

Install with twisted pair cable.

Commissioning is done with software (ETS).

Somfy hereby declares that the radio equipment covered by these instructions is in

compliance with the requirements of Radio Directive2014/53/EUand the other essential

requirements of the applicable European Directives. The full text of the EU declaration of

conformity is available at www.somfy.com/ce.

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We care about our environment. Do not dispose of the appliance with usual household

waste. Give it to an approved collection point for recycling.

Somfy Activités SA

70 Avenue du Nouveau Monde

74300 Cluses

France

www.somfy.com

www.somfy.com/projects

SOMFY ACTIVITES SA

Sociétè Anonyme

Capital 35.000 000 €

RCS Annecy 303.970.230

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