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Technical specifications

Flyer ALD Upgrade

Technical specificationsX

Volume flow 1 ³⁾	2 Pa at 7 m³/h
Volume flow 2 ³⁾	4 Pa at 10 m³/h
Volume flow 3 ³⁾	8 Pa at 15 m³/h
Standard sound level difference D_n,W,open	70 dB at 500 mm Wall thickness, 9/IBE, LUNOtherm-S
Standard sound level difference D_n,W,open	64 dB at 500 mm Wall thickness, 9/IBE, 1/HWE
Standard sound level difference D_n,W,open	55 dB at 360 mm Wall thickness, 9/IBE, 1/WE180
Minimum installation length	180 mm

(1-9, a-g) For further information on the technical data specifications click here.

The ALD-S: Sound-optimised outer wall air vent

Serie Zuluftelemente

The ALD-S is an outer wall air vent. Outer wall air vents are used as passive air diffusers for living rooms and bedrooms. They are mainly used in combination with the exhaust air units of the Silvento range. These extractors create a constant negative pressure that transports fresh air into the house via the outer wall air vents.

Special features

The ALD-S is an outer wall air vent for high sound insulation requirements. It consists of four star-shaped sound absorbing elements and two sound absorbing rings. The new flexible material made of granulate is a composition of technical foams which, due to the manufacturing process, achieve a high specific weight while maintaining high flexibility. This makes it possible to achieve sound insulation values that were not previously possible.

Installation

The insert is fitted into the round duct 9/R 160 (ø 160 mm). The electrical connection is not required, as the ALD-S is a passive supply air element.

The comfort in the living rooms depends to a large extent on the positioning and condition of the outer wall air vents. Therefore, the installation position must be carefully planned. If the incoming air is heated as quickly as possible and outside the occupied zone, there is no risk of draughts. Therefore, an optimal arrangement of the ALD in relation to the heating surfaces is necessary.

In this video, we explain how an existing ALD can be easily replaced with a new fan with heat recovery in order to upgrade the building technically and energetically and save money and energy at the same time.

Extra

Our outer wall air vents ensure user-independent ventilation in accordance with DIN 1946-6 when planned in accordance with the standards.

Art.-no. 41133

Information on the technical data

Show technical data

1) Silvento V are fan inserts that still require a flush-mounted or surface-mounted housing.

2) Silvento KL are complete single-pipe fans that are clamped into pre-wall constructions. Silvento KL single-pipe fans fit into the flush-mounted housings of the LUNOS Skalar series.

3) The specified values are achieved at 20°C, 1013hPa and 1.2kg/m3 ambient air density and (unless otherwise specified) are achievable between free-blowing condition and 60 Pa disturbance pressure in accordance with DIN18017-3.

4) When designing the volume flows, please observe the pressure-volume flow characteristics provided by LUNOS and the specifications of the abZ (DIBt approval)

5) Sound power level: The sound power level indicates how "loud" a device is. The value is independent of the distance.

6) Volume flow rate of the ALD-SV with a straight arrangement of the sound attenuation elements.

7) Max. achievable WBG according to EN13141-8 with reference volume flow rate.

8) At 70 % of the maximum volume flow rate, in accordance with ErP Directive, EU Regulation 1254/2014.

9) According to LÜA (test specification) of the DIBt and EN13141-8 max. achievable exhaust air volume flow free-blowing at 20°C and 1013hPa ambient conditions and 1.2kg/m3 ambient air density.

a) According to LÜA (test specification) of the DIBt, see also proof of usability (abZ), when using the wall-mounted housing 9/MRD as insulation, without 9/MRD 2% deduction.

b) According to LÜA (test specification) of the DIBt, max. achievable value.

c) According to EN 13141-8 with reference volume flow, see also certificate of usability (abZ) of the DIBt.

d) According to LÜA (test specification) of the DIBt and EN13141-7 max. achievable exhaust air volume flow free-blowing at 20°C and 1013hPa ambient conditions and 1.2kg/m3 ambient air density.

e) According to EN 13141-7 at reference volume flow rate, see also proof of usability (abZ) of the DIBt.

f) Determined by the Passive House Institute (PHI), see PHI certificate.

g) Sound pressure level at 1m distance, single-point measurement. All figures are mathematically rounded.

All figures are mathematically rounded.

For the informal ventilation concept!