Inlet air fan (VFD) — Transparent pool | Transparenter Pool <meta name="description" content="The inlet air fan is a central component of the ventilation and dehumidification system in swimming pools to ensure air quality. According to VD"> <link rel="canonical" href="https://stromfee-mauritius.ai/en/glaesern/piscine/wizards/zuluftventilator-vfd/"> <script type="application/ld+json">{"@context": "https://schema.org", "@type": "Article", "headline": "Remote monitoring and maintenance of inlet air fans in swimming pools", "mainEntityOfPage": "https://stromfee-mauritius.ai/glaesern/piscine/wizards/zuluftventilator-vfd/", "description": "Inlet air fan (VFD) — Component in swimming pool/bath operation (Ventilation & Dehumidification trade). Standard framework: VDI 2089 (Bath ventilation)."}</script> <script type="application/ld+json">{"@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "What is the role of the inlet air fan in the operation of the swimming pool?", "acceptedAnswer": {"@type": "Answer", "text": "The inlet air fan provides fresh air and serves primarily for dehumidification as well as oxygen supply in the pool area."}}, {"@type": "Question", "name": "Why is monitoring the volumetric flow rate (m3/h) important?", "acceptedAnswer": {"@type": "Answer", "text": "A deviation from the target volumetric flow rate immediately signals problems such as clogged filters or mechanical blockages in the ventilation system."}}, {"@type": "Question", "name": "How does a VFD help with the maintenance of the inlet air fan?", "acceptedAnswer": {"@type": "Answer", "text": "Control via variable frequency drive (VFD) allows for precise adjustment to load and protects the motor against 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class="wrap navrow"> <a class="brand" href="/glaesern/piscine/">◈ Transparent pool transparent</a> <nav class="nlinks"><a href="/glaesern/piscine/">All trades</a> <a href="https://stromfee-mauritius.ai/glaesern/piscine/lueftung.html">Ventilation & Dehumidification</a></nav> <a class="navcta" href="#kontakt">Installation check →</a></div></header> <div class="hero-w"><h1>Inlet air fan (VFD)</h1><p>Component assistant · Ventilation & Dehumidification</p> </div> <div class="wiz-wrap"> <div id="steps"> <div class="st" data-s="1"><span class="no">1</span> Comprendre </div> <div class="st" data-s="2"><span class="no">2</span>View live</div> <div class="st" data-s="3"><span class="no">3</span>What the AI does</div> <div class="st" data-s="4"><span class="no">4</span>Your benefit</div> </div> <div id="body"></div> </div> <div class="sec"><div class="block"><h3>Thus we connect — read-only</h3><p class="step-p">The value comes from<b>Modbus TCP · GLT · Dosing technique</b>of the installation —<b>read, not controlled</b>. Everything is<b>in the house</b>calculated, nothing leaves the house. No obligation to transmit operating data.</p></div><div class="block"><h3>Your own pool LLM — offline</h3><p class="step-p">Natural language questions, answered by AI<b>Your own installation data</b>— local, no Cloud. The AI runs in the house; the installation remains private.</p></div><div class="note"><b>Regulatory framework:</b>VDI 2089 (Swimming pool ventilation)</div><div class="block"><h3>Link with the entire installation</h3><p class="step-p">Filtration, heating, water treatment and ventilation are linked — AI considers the pool as a system.</p><div style="display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.6rem"><a href="/glaesern/bess/" style="font-size:.85rem;padding:.4rem .9rem;border:1px solid var(--border);border-radius:999px;text-decoration:none;color:var(--accent)">BESS in glass →</a><a href="/glaesern/hotel/" style="font-size:.85rem;padding:.4rem .9rem;border:1px solid var(--border);border-radius:999px;text-decoration:none;color:var(--accent)">Glass hotel →</a></div></div></div><div class="sec faqsec"><h2>FAQ</h2><details><summary>What is the role of the intake air fan in pool operation?</summary><div class="faq-a">The intake air fan provides fresh air and serves primarily for dehumidification as well as oxygen supply in the pool area.</div></details><details><summary>Why is monitoring the volumetric flow rate (m3/h) important?</summary><div class="faq-a">A deviation from the target volumetric flow rate immediately signals issues such as clogged filters or mechanical blockages in the ventilation system.</div></details><details><summary>How does a VFD help with maintenance of the intake air fan?</summary><div class="faq-a">Control by variable frequency drive (VFD) allows for precise adjustment to the load and protects the motor against overloads caused by regulation discrepancies.</div></details><details><summary>From when must an intake air fan be maintained?</summary><div class="faq-a">Maintenance is required if the measured volumetric flow rate falls below a defined threshold or if the motor's power demand increases disproportionately.</div></details><details><summary>Which standard governs ventilation in swimming pools?</summary><div class="faq-a">VDI 2089 is the decisive directive for the planning and operation of ventilation systems in baths and swimming pools.</div></details><details><summary>How to identify a filter obstruction via remote monitoring?</summary><div class="faq-a">An increasing resistance in the system leads to a decrease in volumetric flow for a constant or increasing rotation speed of the fan.</div></details></div> <footer class="site"><div class="wrap"> <div class="fbrand">◈ Transparent pool</div> <p class="fclaim">Connected in read-only mode · local calculation · no Cloud. The installation remains in the house.</p> <nav class="flinks"><a href="/glaesern/piscine/">All trades</a> <a href="https://stromfee-mauritius.ai/glaesern/piscine/lueftung.html">Ventilation & Dehumidification</a> <a href="https://bhkw-anlagen.com/impressum.html">Legal notice</a> <a href="https://bhkw-anlagen.com/datenschutz.html">Data protection</a></nav> <div class="fcopy">© 2026 HR Energiemanagement GmbH · 32257 Bünde · +49 5223 4921030</div> </div></footer> <script> var state={step:1}; function li(t){return '<li>'+t+'</li>';} function nav(s){var b=s>1?'<button class="wiz-back" onclick="go('+(s-1)+')">← Back</button>':'<span></span>'; var n=s<4?'<button class="wiz-next" onclick="go('+(s+1)+')">Next →</button>':'<button class="wiz-next" onclick="go(1)">From the beginning</button>'; return '<div class="wiz-nav">'+b+n+'</div>';} function step1(){return '<div class="step-grid"><img class="step-img" src="../img/lueftung.jpg" alt="Intake air fan (VFD)">'+ '<div><p class="step-kicker">Step 1 · Understand</p><h2 class="step-h">What is the intake air fan (VFD)?</h2>>'+ '<p class="step-p">The intake air fan is a central component of the ventilation and dehumidification system in swimming pools to ensure air quality. According to VDI 2089, precise control of the flow rate is crucial for humidity control and protecting the building structure from corrosion. Continuous monitoring ensures that the required air exchange rate remains constant.</p></div></div>'+nav(1);} function step2(){return '<div class="step-grid"><div><p class="step-kicker">Step 2 · See live</p><h2 class="step-h">Linked to register <span class="reg">volumenstrom_m3h</span></h2><p class="step-p">This wizard is linked to a real register. The value is read as <b>read-only</b> and calculated <b> in the house </b> — nothing leaves the system. Becomes visible via the connected components.</p></div><img class="step-img" src="../img/lueftung.jpg" alt="Live view"></div>'+nav(2);} function step3(){return '<div class="step_grid"><div><p class="step-kicker">Step 3 · What the AI does</p>'+ '<h2 class="step-h">What the AI reads from this component</h2><ul class="chk">'+li('Deviations in the <b>volumetric flow rate (m3/h)</b> as an indicator of pollution or defects')+li('Analysis of electrical consumption trends to detect <b>bearing wear</b>')+li('Monitoring of rotation speed to validate the <b>VFD configuration</b>')+li('Early warning in case of <b>pressure losses</b> in the air duct due to filter obstruction')+'</ul></div>'+ '<img class="step-img" src="../img/lueftung.jpg" alt="AI monitoring">1'+ '<div class="szen szen-grid"><div><p class="mon">Monitored: dew point, humidity, WRG degree</p>'+ '<p class="step-p"><b>The scenario:</b> Dehumidification against evaporation — continuous load without heat recovery In the indoor pool, the second energy block after heating<br>'+ '<b>The AI:</b> The AI regulates supply air according to dew point and uses heat recovery instead of dehumidifying blindly. <b>It identifies the trend before the limit value is reached.</b></p></div></div>'+nav(3);} function step4(){return '<p class="step_kicker">Step 4 · Your benefit</p><h2 class="step-h">Why does this matter?</h2>>'+ '<div class="benefit"><h3>Proactive monitoring of the flow rate reduces unplanned downtime and minimises costs for emergency repairs to the ventilation system.</h3><p>By evaluating live measurement values, the lifespan of components is extended. This ensures continuous compliance with hygienic requirements according to VDI 2089.</p></div>'+ '<div class="calcbox"><p class="step-p">Supply air flow rate (m³/h) <input id="c0" type="number" step="any" value="10000" oninput="r()"> · Operating hours (h/a) <input id="c1" type="number" step="any" value="6000" oninput="r()"> · Temperature difference (K) <input id="c2" type="number" step="any" value="15" oninput="r()"> · Heat recovery rate (%) <input id="c3" type="number" step="any" value="70" oninput="r()"> · Heat price (ct/kWh) <input id="c4" type="number" step="any" value="9" oninput="r()"> → <b><span id="o" style="color:var(--accent)">—</span> €/year</b></p>'+ '<p class="mon" style="margin-top:.5rem">Calculation method: Ventilation heat demand (0.34 Wh/m³K) × heat recovery rate × heat price — uses the exhaust air heat from the humid warm bath.</p></div>'+nav(4);} function r(){var v=[];for(var i=0;i<5;i++){var e=document.getElementById('c'+i);v.push(e?parseFloat(e.value)||0:0);}'o');if(o)o.textContent=(Math.round(res*100)/100).toLocaleString('de-DE');}'body').innerHTML=state.step===1?step1():state.step===2?step2():state.step===3?step3():step4();'#steps .st').forEach(function(el){var n=+el.getAttribute('data-s');el.classList.toggle('on',n===state.step);el.classList.toggle('done',n<state.step);});'smooth'});} document.querySelectorAll('#steps .st').forEach(function(el){el.style.cursor='pointer';el.onclick=function(){go(+el.getAttribute('data-s'));};}); render(); </script></body></html>