{"id":7032,"date":"2025-07-09T14:26:28","date_gmt":"2025-07-09T11:26:28","guid":{"rendered":"https:\/\/altal.ro\/?p=7032"},"modified":"2025-07-09T14:51:26","modified_gmt":"2025-07-09T11:51:26","slug":"cum-sa-alegeti-un-schimbator-de-caldura","status":"publish","type":"post","link":"https:\/\/altal.ro\/ro\/cum-sa-alegeti-un-schimbator-de-caldura\/","title":{"rendered":"Cum s\u0103 alege\u021bi un schimb\u0103tor de c\u0103ldur\u0103"},"content":{"rendered":"<h2>Cum s\u0103 alege\u021bi un schimb\u0103tor de c\u0103ldur\u0103<\/h2>\n<p>Cum s\u0103 alege\u021bi un <a href=\"https:\/\/altal.ro\/ro\/schimbatoare-de-caldura\/\">schimb\u0103tor de c\u0103ldur\u0103<\/a> cu pl\u0103ci pentru conectarea <a href=\"https:\/\/altal.ro\/ro\/pompe-de-caldura-altal\/\">pompei de c\u0103ldur\u0103<\/a> la sistemul de \u00eenc\u0103lzire<br \/>\nPompele de c\u0103ldur\u0103 ca dispozitiv de \u00eenc\u0103lzire reprezint\u0103 o solu\u021bie destul de solicitant\u0103 din punct de vedere al schimbului de c\u0103ldur\u0103, ceea ce se traduce prin necesitatea obiectiv\u0103 de a selecta un schimb\u0103tor de c\u0103ldur\u0103 cu o suprafa\u021b\u0103 mai mare dec\u00e2t, de exemplu, pentru centralele termice clasice de putere similar\u0103. Motivul este at\u00e2t faptul c\u0103 acestea func\u021bioneaz\u0103 de obicei la delte mult mai mici, c\u00e2t \u0219i dorin\u021ba de a asigura c\u0103 pompa de c\u0103ldur\u0103 func\u021bioneaz\u0103 cu un consum de energie c\u00e2t mai mic posibil, de regul\u0103.<\/p>\n<p>Mai jos prezent\u0103m o serie de tipuri de schimb\u0103toare de c\u0103ldur\u0103 \u0219i recomanda\u021bii cum s\u0103 alege\u021bi un schimb\u0103tor de c\u0103ldur\u0103, care sunt cel mai des v\u00e2ndute pentru pompe de c\u0103ldur\u0103. Desigur, este vorba despre conectarea pompei de c\u0103ldur\u0103 la instala\u021bie, \u00een sistemul ap\u0103-ap\u0103 sau ap\u0103-glicol, acestea nefiind schimb\u0103toare de freon sau unit\u0103\u021bi pentru a\u0219a-numi\u021bii factori R.<\/p>\n<p>\u00cen cazul pompelor de c\u0103ldur\u0103, selec\u021bia cum s\u0103 alege\u021bi un schimb\u0103tor de c\u0103ldur\u0103 depinde nu numai de puterea nominal\u0103 a pompei de c\u0103ldur\u0103, ci \u0219i de temperaturile la care urmeaz\u0103 s\u0103 func\u021bioneze sistemul de \u00eenc\u0103lzire central\u0103. Nu este vorba despre performan\u021ba maxim\u0103 a pompei, ci mai degrab\u0103 despre temperatura de func\u021bionare pe care o a\u0219tept\u0103m de la pomp\u0103, astfel \u00eenc\u00e2t aceasta s\u0103 poat\u0103 oferi confort termic acas\u0103. Cu c\u00e2t este mai mic\u0103, cu at\u00e2t va fi necesar un schimb\u0103tor de c\u0103ldur\u0103 mai mare, dar merit\u0103 s\u0103 \u00eel men\u021binem c\u00e2t mai sc\u0103zut posibil, datorit\u0103 costurilor de func\u021bionare preconizate.<\/p>\n<p>Schimb\u0103torul de c\u0103ldur\u0103 cu pl\u0103ci pentru o pomp\u0103 de c\u0103ldur\u0103 trebuie dimensionat \u00een func\u021bie de temperatura de func\u021bionare preconizat\u0103 a pompei.<\/p>\n<p>Primul caz este o configura\u021bie clasic\u0103 &#8211; \u00een care caloriferele joac\u0103 rolul principal, iar \u00eenc\u0103lzirea prin pardoseal\u0103 este, eventual, o completare. \u00centr-o astfel de instala\u021bie, temperatura de func\u021bionare a pompei trebuie s\u0103 fie de minimum aproximativ <span style=\"color: #800080;\"><strong>+50 \u00b0C<\/strong><\/span> pentru ca caloriferele s\u0103 func\u021bioneze optim. Pentru astfel de sisteme, aproximativ <strong><span style=\"color: #800080;\">1,50 m\u00b2<\/span><\/strong> din suprafa\u021ba de schimb de c\u0103ldur\u0103 ar trebui s\u0103 acopere fiecare <span style=\"color: #800080;\"><strong>10 kW<\/strong><\/span> ai pompei de c\u0103ldur\u0103 (func\u021bion\u00e2nd la 50\u00b0C).<\/p>\n<p>Al doilea caz este reprezentat de instala\u021biile \u00eenc\u0103lzite 100% cu \u00eenc\u0103lzire prin pardoseal\u0103, unde temperatura de func\u021bionare a pompei va fi necesar\u0103 doar la nivelul de aproximativ +<span style=\"color: #800080;\"><strong>30 &#8211; +35 \u00b0C<\/strong><\/span>. \u00cen astfel de cazuri, pompa de c\u0103ldur\u0103 func\u021bioneaz\u0103 foarte economic, dar este necesar un sistem de schimb\u0103toare de c\u0103ldur\u0103 relativ mare pentru o func\u021bionare eficient\u0103 &#8211; convertorul de dimensionare aici este de aproximativ <span style=\"color: #800080;\"><strong>3,0 m\u00b2<\/strong><\/span> de suprafa\u021b\u0103 de transfer de c\u0103ldur\u0103 pentru fiecare <span style=\"color: #800080;\"><strong>10 kW<\/strong><\/span> de pomp\u0103 de c\u0103ldur\u0103 (func\u021bionare la 35\u00b0C).<\/p>\n<p>Op\u021biunile intermediare, adic\u0103 temperaturile de alimentare de 40 sau 45 \u00b0C, ar trebui dimensionate propor\u021bional.<\/p>\n<p>Dimensionarea pompei de c\u0103ldur\u0103 prezentat\u0103 prin conversia unei zone de transfer la puterea nominal\u0103 a pompei de c\u0103ldur\u0103 poate fi aplicat\u0103 at\u00e2t pentru tipurile monobloc, c\u00e2t \u0219i pentru cele split.<\/p>\n<p>Ace\u0219tia sunt factori de conversie dovedi\u021bi. Ei asigur\u0103 o alimentare s\u0103n\u0103toas\u0103 \u0219i durabil\u0103.<br \/>\nPermite func\u021bionarea timp de mai multe sezoane, \u021bin\u00e2nd cont de \u00eemb\u0103tr\u00e2nirea schimb\u0103toarelor de c\u0103ldur\u0103 de-a lungul anilor.<br \/>\nSunt lua\u021bi \u00een calcul utilizarea glicolului \u0219i posibilitatea unei func\u021bion\u0103ri eficiente cu diferen\u021be minime de temperatur\u0103.<br \/>\nAsta \u00eenseamn\u0103 un consum minim de energie, precum \u0219i o uzur\u0103 redus\u0103 a pompei de c\u0103ldur\u0103.<br \/>\nPute\u021bi decide s\u0103 reduce\u021bi ace\u0219ti factori de conversie pe cont propriu, dac\u0103 ave\u021bi motive obiective \u2014 de exemplu, dac\u0103 folosi\u021bi ap\u0103 \u00een loc de glicol.<br \/>\nCu toate acestea, chiar dac\u0103 v\u0103 a\u0219tepta\u021bi la beneficii suplimentare, valorile de mai sus ar trebui totu\u0219i luate \u00een considerare.<\/p>\n<p>\u00cen caz de \u00eendoial\u0103, pute\u021bi confirma selec\u021bia schimb\u0103torului de c\u0103ldur\u0103 (PHE) contact\u00e2nd serviciul tehnic <a href=\"https:\/\/altal.ro\/\">ALTAL din Rom\u00e2nia<\/a>, <a href=\"https:\/\/altal.ro\/\">ALTAL din Moldova<\/a> sau distribuitorul local de pompe de c\u0103ldur\u0103.<\/p>\n<p>Contacta\u021bi asisten\u021ba tehnic\u0103 ALTAL. Dac\u0103 \u00eent\u00e2mpina\u021bi dificult\u0103\u021bi cum s\u0103 alege\u021bi un schimb\u0103tor de c\u0103ldur\u0103 pentru o pomp\u0103 de c\u0103ldur\u0103, scrie\u021bi-ne.<\/p>\n\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f7041-o1\" lang=\"ru-RU\" dir=\"ltr\" data-wpcf7-id=\"7041\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/ro\/wp-json\/wp\/v2\/posts\/7032#wpcf7-f7041-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u043d\u0430\u044f \u0444\u043e\u0440\u043c\u0430\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"7041\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"ru_RU\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f7041-o1\" \/><input 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\u00eenc\u0103lzire Pompele de c\u0103ldur\u0103 ca dispozitiv de \u00eenc\u0103lzire reprezint\u0103 o solu\u021bie destul de solicitant\u0103 din punct de vedere al schimbului de c\u0103ldur\u0103, ceea ce se traduce prin necesitatea obiectiv\u0103 de a&#8230;<\/p>\n","protected":false},"author":1,"featured_media":7029,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[403,406,405],"tags":[],"class_list":["post-7032","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pompe-de-caldura-ghiduri-utile","category-intretinere-si-service","category-tehnologie-si-inovatii"],"acf":[],"_links":{"self":[{"href":"https:\/\/altal.ro\/ro\/wp-json\/wp\/v2\/posts\/7032","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.ro\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/altal.ro\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/altal.ro\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.ro\/ro\/wp-json\/wp\/v2\/comments?post=7032"}],"version-history":[{"count":8,"href":"https:\/\/altal.ro\/ro\/wp-json\/wp\/v2\/posts\/7032\/revisions"}],"predecessor-version":[{"id":7038,"href":"https:\/\/altal.ro\/ro\/wp-json\/wp\/v2\/posts\/7032\/revisions\/7038"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.ro\/ro\/wp-json\/wp\/v2\/media\/7029"}],"wp:attachment":[{"href":"https:\/\/altal.ro\/ro\/wp-json\/wp\/v2\/media?parent=7032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/altal.ro\/ro\/wp-json\/wp\/v2\/categories?post=7032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/altal.ro\/ro\/wp-json\/wp\/v2\/tags?post=7032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}