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Fan optimiser helps cut the noise in music rooms

25 January 2013

When TGA Consulting chose to use a Belimo Fan Optimiser at St Martins School in Northwood it was not just to save energy. Large proportions of the building were to be used for music practice, so noise was a key concern

When TGA Consulting chose to use a Belimo Fan Optimiser at St Martins School in Northwood it was not just to save energy. Large proportions of the building were to be used for music practice, so noise was a key concern.

Using MP bus information, the optimisers look at the damper position of each motor and turn the fan speed down until the damper position of the most open box is about 90% open and supplying just the amount of air that is actually required. Reducing the amount of pressure that a damper has to close off against also reduces noise levels at each box and therefore in each room.

At St Martins School the system also incorporates Belimo CR room controllers which control the heating valves bringing in heated air through the VAV units eliminating the need for additional heating. The CR24- B3/A3 controllers are linked to PIR sensors for each room. These shut down heating and air conditioning when the room becomes vacant.
 
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