ADVICE
GRUNDFOS ADVISES ON HOW TO IDENTIFY AND SOLVE NOISY HEATING SYSTEMS… Solving noise in the heating system due to the incorrect amount of pressure in the system or because all valves are closed and deposits building up in the pump, or impurities in the pump or on the radiator valve cones. The good news is, there are solutions and ways to make your customers happy. H eating system noise is a common and frustrating issue for installers and homeowners alike. There are multiple potential sources of noise. Hydronic systems easily transport the sound and vibrations, and it can be difficult to identify the source.
“All Grundfos circulators are tested in its dedicated sound laboratory.”
IDENTIFYING AND SOLVING HEATING SYSTEM NOISE There are a few main causes of noise in heating systems. These can include issues like incorrect commissioning caused by the system often operating at a higher flow than needed; lack of balancing or incorrect commissioning of the entire heating system; and incorrect dimensioning of system components – such as pipes that are not sufficiently dimensioned for the required flow – can create friction-noise in pipes and valves. Other common reasons include air in the system which might result in hammering noises from pipes and valves; resonance noise due to the pump running at a specific speed generating a frequency that amplifies the noise; cavitation noise
HOW TO QUIETEN NOISY HEATING SYSTEMS You need to design the system,
dimension and commission the heating system correctly. But how? One solution is to select the right circulator that can be set in the correct control mode or automatically adapted to the system. You can use the circulator to balance the heating system and remove uneven flow and pressure, which will minimise the risk of noise. Grundfos ALPHA2 and ALPHA3 will help you do this. All Grundfos circulators are tested in its dedicated sound laboratory. As well as being tested for noise levels according to the ISO 3745 directive, they’re also tested for how they are perceived when installed in a boiler and the entire heating
system. But no matter how well-tested Grundfos pumps are, it’s impossible to fully replicate the diversity of the real- world installation. Therefore, you play a crucial role in ensuring your customers enjoy a more comfortable, well-heated home too. Together you can make better heating systems.
For more information on the ALPHA range of circulators, visit grundfos.ie or contact your local sales representative at salesireland@sales.grundfos.com or on +353 (0)1 408 9800.
FOLLOW US ON:
www.plumbingmag.com
PLUMBING & HEATING MAGAZINE | 15
Made with FlippingBook - professional solution for displaying marketing and sales documents online