{"id":2148,"date":"2022-10-11T15:01:22","date_gmt":"2022-10-11T07:01:22","guid":{"rendered":"https:\/\/dodomachine.com\/?p=2148"},"modified":"2022-10-11T15:01:28","modified_gmt":"2022-10-11T07:01:28","slug":"que-signifient-les-abreviations-fcu-ahu-pau-rcu-mau-ffu-hrv-dans-le-secteur-du-cvc","status":"publish","type":"post","link":"https:\/\/www.dodomachine.com\/fr\/what-do-the-abbreviations-fcu-ahu-pau-rcu-mau-ffu-hrv-mean-in-the-hvac-industry\/","title":{"rendered":"Que signifient les abr\u00e9viations FCU, AHU, PAU, RCU, MAU, FFU, HRV dans l&#039;industrie du CVC ?"},"content":{"rendered":"<p>Lorsque vous effectuez des recherches sur le CVC, vous entendrez de nombreux termes tels que <strong>FCU, AHU, PAU, RCU, MAU, FU, HRV, FAU, OAC, EAF, <\/strong>etc. Pour \u00eatre honn\u00eate, cela peut \u00eatre tr\u00e8s d\u00e9routant pour quelqu&#039;un qui n&#039;est pas au courant de l&#039;industrie du CVC. Dans cet article, nous allons d\u00e9couvrir les termes CVC les plus courants qui sont souvent utilis\u00e9s pour les syst\u00e8mes et sous-syst\u00e8mes CVC.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>Qu&#039;est-ce qu&#039;un FCU (ventilo-convecteur)<\/h2>\n\n\n\n<p>Un ventilo-convecteur, ou FCU dans le secteur du CVC, utilise un ventilateur et un serpentin pour chauffer ou refroidir la pi\u00e8ce. Ce syst\u00e8me ne n\u00e9cessite pas de raccordement \u00e0 un r\u00e9seau de conduits. Les FCU sont souvent utilis\u00e9s dans les b\u00e2timents r\u00e9sidentiels, industriels ou commerciaux. C&#039;est le syst\u00e8me le plus courant dans le secteur du CVC. Le ventilateur d\u00e9place l&#039;air dans le serpentin o\u00f9 l&#039;air devient froid ou chaud avant que le ventilateur ne renvoie l&#039;air dans la pi\u00e8ce. Le FCU est moins cher \u00e0 installer qu&#039;un syst\u00e8me CVC \u00e0 conduits. Les FCU sont disponibles dans diff\u00e9rents types de montages tels que le plafond, le sol et le montage autonome.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/dodomachine.com\/wp-content\/uploads\/2022\/10\/1.jpg\" alt=\"Unit\u00e9 de ventilo-convecteur\" class=\"wp-image-2149\" width=\"685\" height=\"399\" srcset=\"https:\/\/www.dodomachine.com\/wp-content\/uploads\/2022\/10\/1.jpg 626w, https:\/\/www.dodomachine.com\/wp-content\/uploads\/2022\/10\/1-300x175.jpg 300w\" sizes=\"(max-width: 685px) 100vw, 685px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>Qu&#039;est-ce qu&#039;une CTA (unit\u00e9 de traitement d&#039;air)<\/h2>\n\n\n\n<p>Une unit\u00e9 de traitement d&#039;air ou CTA est un appareil utilis\u00e9 pour les syst\u00e8mes CVC. L&#039;AHU est un \u00e9norme appareil de climatisation int\u00e9rieure en forme de bo\u00eete m\u00e9tallique qui est g\u00e9n\u00e9ralement install\u00e9 sur le toit. Il utilise \u00e0 la fois l&#039;air ext\u00e9rieur et int\u00e9rieur pour la climatisation. L&#039;AHU collecte l&#039;air par des ventilateurs et \u00e9limine les impuret\u00e9s telles que la poussi\u00e8re et d&#039;autres particules, puis fournit l&#039;air rafra\u00eechissant aux pi\u00e8ces par les conduits. Le syst\u00e8me AHU utilise \u00e9galement un serpentin rempli d&#039;eau ou de r\u00e9frig\u00e9rant pour refroidir l&#039;air. L&#039;air collect\u00e9 passe par une s\u00e9rie de filtres \u00e0 air avant d&#039;atteindre le serpentin, puis est renvoy\u00e9 vers les conduits \u00e0 l&#039;aide de ventilateurs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>Qu&#039;est-ce que l&#039;unit\u00e9 de traitement d&#039;air recycl\u00e9 (RCU)<\/h2>\n\n\n\n<p>L&#039;unit\u00e9 de traitement d&#039;air recycl\u00e9 ou RCU est une unit\u00e9 de circulation d&#039;air int\u00e9rieur qui contr\u00f4le la circulation de l&#039;air dans le syst\u00e8me CVC. Le but de l&#039;unit\u00e9 RCU est de maintenir la pression, la temp\u00e9rature et le niveau d&#039;humidit\u00e9 \u00e0 l&#039;int\u00e9rieur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>Qu&#039;est-ce que le DCC (Dry Cooling Coil)<\/h2>\n\n\n\n<p>Le serpentin de refroidissement \u00e0 sec ou DCC est utilis\u00e9 dans un syst\u00e8me de refroidissement int\u00e9rieur, o\u00f9 les serpentins sont refroidis par de l&#039;eau r\u00e9frig\u00e9r\u00e9e. La fonction principale du serpentin de refroidissement \u00e0 sec est d&#039;\u00e9liminer la chaleur sensible de la pi\u00e8ce. Cette chaleur sensible est produite soit par des personnes, des machines ou la foudre.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>Qu&#039;est-ce que MAU (Maquillage-Air Unit)<\/h2>\n\n\n\n<p>L&#039;unit\u00e9 d&#039;air de compensation ou MAU est \u00e9galement un type de syst\u00e8me CVC. L&#039;air de compensation est con\u00e7u pour les b\u00e2timents et les espaces qui n\u00e9cessitent une qualit\u00e9 d&#039;air int\u00e9rieur (QAI) \u00e9lev\u00e9e. Dans certains b\u00e2timents, l&#039;air ne peut pas \u00eatre recycl\u00e9. De tels espaces peuvent \u00eatre dangereux pour la sant\u00e9, c&#039;est pourquoi le MAU est con\u00e7u pour fournir \u00e0 ces espaces de l&#039;air frais ext\u00e9rieur. Le MAU extrait l&#039;air frais de l&#039;ext\u00e9rieur pour le remplacer par l&#039;air existant \u00e0 l&#039;int\u00e9rieur du b\u00e2timent. Le MAU est un grand gestionnaire qui fournit aux espaces de l&#039;air frais conditionn\u00e9 et produit \u00e9galement de l&#039;air chaud et froid. Une unit\u00e9 d&#039;air de compensation est une solution lorsque la ventilation de l&#039;air est fortement requise en raison d&#039;un d\u00e9bit d&#039;\u00e9chappement moindre.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>Qu&#039;est-ce qu&#039;un filtre \u00e0 haute efficacit\u00e9 HEPA<\/h2>\n\n\n\n<p>Le HEPA ou (filtre \u00e0 particules \u00e0 haute efficacit\u00e9) est un filtre \u00e0 air pliss\u00e9 m\u00e9canique utilis\u00e9 dans l&#039;industrie du CVC. Les filtres HEPA ont une efficacit\u00e9 de filtrage de l&#039;air de 99,97%. Il peut \u00e9liminer les particules d&#039;air telles que la poussi\u00e8re, les bact\u00e9ries, le pollen, les moisissures et toute autre particule d&#039;une taille de <strong>0,3 micron (\u00b5m).<\/strong><\/p>\n\n\n\n<p>L&#039;objectif principal des filtres HEPA est de fournir un air pur de haute qualit\u00e9 sans contaminants. L&#039;air peut passer \u00e0 travers ces filtres, mais les particules d&#039;air d&#039;une taille de 0,3 micron ou plus ne peuvent pas passer. Dans les filtres \u00e0 air, la filtration de 0,3 micron est consid\u00e9r\u00e9e comme tr\u00e8s efficace car la plupart des particules d&#039;air sont de plus grande taille, la filtration de 0,3 micron est une tranquillit\u00e9 d&#039;esprit. Les filtres HEPA sont utilis\u00e9s dans les salles d&#039;op\u00e9ration, les laboratoires et les endroits hautement nettoy\u00e9s o\u00f9 la qualit\u00e9 de l&#039;air est tr\u00e8s importante.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><a><\/a>Qu&#039;est-ce que le PAU (unit\u00e9 de pr\u00e9-refroidissement par air)<\/h1>\n\n\n\n<p>PAU signifie unit\u00e9 de pr\u00e9-refroidissement de l&#039;air dans le domaine du CVC. L&#039;appareil PAU est une unit\u00e9 de grande taille qui collecte l&#039;air ext\u00e9rieur \u00e0 forte humidit\u00e9 et l&#039;envoie \u00e0 l&#039;AHU (unit\u00e9 de traitement d&#039;air). PAU (Pre-cooling Air Unit) fonctionne \u00e9galement comme un d\u00e9shumidificateur et contr\u00f4le le niveau d&#039;humidit\u00e9 souhait\u00e9 dans l&#039;air du b\u00e2timent.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/dodomachine.com\/wp-content\/uploads\/2022\/10\/3.jpg\" alt=\"Unit\u00e9 d&#039;air de pr\u00e9-refroidissement\" class=\"wp-image-2151\" width=\"666\" height=\"441\" srcset=\"https:\/\/www.dodomachine.com\/wp-content\/uploads\/2022\/10\/3.jpg 594w, https:\/\/www.dodomachine.com\/wp-content\/uploads\/2022\/10\/3-300x198.jpg 300w\" sizes=\"(max-width: 666px) 100vw, 666px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>Qu&#039;est-ce qu&#039;un ventilateur d&#039;extraction d&#039;air (EAF)<\/h2>\n\n\n\n<p>Les ventilateurs d&#039;extraction d&#039;air ou EAF sont utilis\u00e9s pour \u00e9vacuer l&#039;air d&#039;un espace. Les EAF \u00e9liminent les odeurs et l&#039;humidit\u00e9 de l&#039;espace et font de la place pour un nouvel air frais conditionn\u00e9. Les EFA (ventilateurs d&#039;extraction d&#039;air) sont principalement utilis\u00e9s dans les zones encombr\u00e9es o\u00f9 une ventilation de l&#039;air est n\u00e9cessaire.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>Qu&#039;est-ce que l&#039;OAC (Outside Air Control unit)<\/h2>\n\n\n\n<p>L&#039;unit\u00e9 OAC est un sous-syst\u00e8me du syst\u00e8me CVC. L&#039;unit\u00e9 OAC est utilis\u00e9e dans les espaces ferm\u00e9s pour alimenter en air frais. L&#039;OAC peut contr\u00f4ler l&#039;humidit\u00e9, le d\u00e9bit d&#039;air, la temp\u00e9rature et la pression de l&#039;air de ventilation.<\/p>\n\n\n\n<p>FFU (unit\u00e9 de filtrage par ventilateur)<\/p>\n\n\n\n<p>L&#039;unit\u00e9 de filtre FFU ou Fan est un appareil qui fournit de l&#039;air pur de haute qualit\u00e9. Il est principalement utilis\u00e9 pour fournir de l&#039;air purifi\u00e9 aux laboratoires, aux installations m\u00e9dicales, aux salles de classe et aux espaces o\u00f9 la qualit\u00e9 de l&#039;air est tr\u00e8s importante. Le FFU (unit\u00e9 de filtre \u00e0 ventilateur) poss\u00e8de son propre ventilateur motoris\u00e9 et un filtre HEPA qui purifie l&#039;air. Le FFU collecte l&#039;air par le haut et le filtre \u00e0 travers le filtre HEPA puis le fournit \u00e0 la vitesse de <strong>0,45 m\/s \u00b1 20%.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>Qu&#039;est-ce que la ventilation \u00e0 r\u00e9cup\u00e9ration de chaleur (VRC)<\/h2>\n\n\n\n<p>Le HRV (ventilation \u00e0 r\u00e9cup\u00e9ration de chaleur) est \u00e9galement connu sous le nom de ventilateur \u00e0 r\u00e9cup\u00e9ration de chaleur ou d&#039;\u00e9changeur de chaleur total. Comme son nom l&#039;indique, le HRV est un syst\u00e8me de ventilation d&#039;air qui \u00e9change l&#039;air int\u00e9rieur avec de l&#039;air frais ext\u00e9rieur. Le HRV convient aux environnements froids o\u00f9 le niveau d&#039;humidit\u00e9 est plus \u00e9lev\u00e9. Pendant la saison de chauffage, le HRV collecte la chaleur de l&#039;air ext\u00e9rieur et utilise l&#039;\u00e9nergie thermique pour pr\u00e9chauffer. Cette fonction est tr\u00e8s adapt\u00e9e pendant la saison de chauffage en raison de l&#039;\u00e9nergie ext\u00e9rieure qu&#039;il collecte, ce qui la rend tr\u00e8s \u00e9conome en \u00e9nergie. Pendant la saison de refroidissement, le HRV prend la chaleur de l&#039;air entrant et soulage le climatiseur. Le HRV peut \u00eatre utilis\u00e9 en conjonction avec le syst\u00e8me VRV.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/dodomachine.com\/wp-content\/uploads\/2022\/10\/2.jpg\" alt=\"Ventilation \u00e0 r\u00e9cup\u00e9ration de chaleur\" class=\"wp-image-2150\" width=\"688\" height=\"365\" srcset=\"https:\/\/www.dodomachine.com\/wp-content\/uploads\/2022\/10\/2.jpg 633w, https:\/\/www.dodomachine.com\/wp-content\/uploads\/2022\/10\/2-300x159.jpg 300w\" sizes=\"(max-width: 688px) 100vw, 688px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>When you are doing research about HVAC you will hear a lot of terms such as FCU, AHU, PAU, RCU, MAU, FU, HRV, FAU, OAC, EAF, etc. To be honest it can be really confusing for someone who is not aware of the HVAC industry. In this article we are going to learn about the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2154,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2148","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hvac-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What do the abbreviations FCU, AHU, PAU, RCU, MAU, FFU, HRV mean in the HVAC industry? - Automatic Brazing Machine Induction Brazin-DoDo Machine<\/title>\n<meta name=\"description\" content=\"What do the abbreviations FCU, AHU, PAU, RCU, MAU, FFU, HRV mean in the HVAC industry?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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