Wolf BWL-1 S - Performance Specifications and Technical Data

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32. Sound level
Sound level
Noise levels must be taken into consideration when siting the system.
In accordance with TA-Lärm [or local regulations], the following emission limits must be observed:
Area Emission limits
[dB(A)]
Daytime
6.00 - 22.00 h
Night
22.00 - 6.00 h
Spa complexes, hospitals and care homes, where indicated as such by means of
signs on the premises or road.
45 35
Emission location surrounded exclusively by residential buildings (purely residential
areas)
50 35
Emission location surrounded primarily by residential buildings (generally residential
areas)
55 40
Emission location neither primarily surrounded by commercial facilities nor by
residential buildings (core areas, mixed areas)
60 45
Emission location surrounded primarily by commercial facilities (commercial areas) 65 50
Emission location surrounded exclusively by commercial facilities and perhaps the
occasional residential building for the owners and managers of the facilities and for
supervisors and on-call staff (industrial areas)
70 70
Measuring location outside the residence affected but close by (0.5 m in front of the open window that is most affected)
The sound power level of heat pumps is calculated in accordance with DIN EN 12102. It enables comparisons to be made
independently of surroundings, direction and distance.
Avoid siting the heat pump directly by or below windows of noise-sensitive rooms, e.g. bedrooms.
Installationinrecessesorbetween2wallsisnotrecommended,asthiswillincreasethenoiselevelduetosoundreection.
When siting the system, the following must be observed:
Installation up to 3 m from a wall (Q=4):
Type Sound power [dB(A)] Sound pressure level [dB(A)] at various distances
1 m 2 m 4 m 8 m 16 m
BWL-1S(B)-07/230 V 61 54 48 43 38 32
BWL-1S(B)-10/400 V 60 53 47 42 37 31
BWL-1S(B)-14/400 V 61 54 48 43 38 32
BWL-1S(B)-10/230 V 61 54 48 43 38 32
BWL-1S(B)-14/230 V 62 55 49 44 39 33
Installation in a corner, up to 3 m from the walls (Q=8):
Type Sound power
[dB(A)]
Sound pressure level [dB(A)] at various distances
1 m 2 m 4 m 8 m 16 m
BWL-1S(B)-07/230 V 61 55 51 46 40 35
BWL-1S(B)-10/400 V 60 54 50 45 39 34
BWL-1S(B)-14/400 V 61 55 51 46 40 35
BWL-1S(B)-10/230 V 61 55 51 46 40 35
BWL-1S(B)-14/230 V 62 56 52 47 41 36