{"id":87,"date":"2015-10-13T11:10:51","date_gmt":"2015-10-13T15:10:51","guid":{"rendered":"http:\/\/www.friotermica.com\/site\/blog\/?p=87"},"modified":"2015-10-13T11:10:51","modified_gmt":"2015-10-13T15:10:51","slug":"no-que-consiste-a-tecnologia-vrv","status":"publish","type":"post","link":"http:\/\/friotermica1.hospedagemdesites.ws\/blog\/2015\/10\/13\/no-que-consiste-a-tecnologia-vrv\/","title":{"rendered":"No que consiste a tecnologia VRV?"},"content":{"rendered":"
\u00a0\"daikin\"<\/a><\/div>\n
O VRV (Volume de Refrigerante Vari\u00e1vel) ou VRF (do ingl\u00eas Variable Refrigerante Flow)<\/span> <\/span>\u00e9<\/span> <\/span>uma<\/span> <\/span>tecnologia<\/span> de <\/span>ar condicionado <\/span>inventada<\/span> <\/span>no<\/span> <\/span>Jap\u00e3o<\/span> <\/span>pela<\/span> <\/span>empresa<\/span> <\/span>Daikin<\/span> <\/span>em<\/span> <\/span>1982<\/span>.<\/span> Os <\/span>VRVs<\/span>\u00a0utilizam o g\u00e1s<\/span>\u00a0<\/span>refrigerante<\/span> <\/span>como<\/span> <\/span>o<\/span> <\/span>para realizar o <\/span>aquecimento<\/span> <\/span>e\/ou<\/span> <\/span>resfriamento<\/span>.<\/span> <\/span>Este<\/span> <\/span>refrigerante<\/span> <\/span>\u00e9<\/span> <\/span>condicionado<\/span> <\/span>por<\/span> <\/span>uma<\/span> <\/span>\u00fanica<\/span> <\/span>unidade<\/span> condensadora externa <\/span>e<\/span> <\/span>\u00e9<\/span> <\/span>distribu\u00eddo<\/span> <\/span>no interior<\/span> <\/span>do<\/span> <\/span>edif\u00edcio<\/span> <\/span>em <\/span>m\u00faltiplas<\/span> <\/span>unidades<\/span> Fancoil <\/span>(FCU).<\/span><\/div>\n

VRVs<\/span> <\/span>s\u00e3o<\/span> <\/span>normalmente<\/span> <\/span>instalados<\/span> <\/span>com<\/span> <\/span>um<\/span> <\/span>ar condicionado tipo Inverter<\/span>, <\/span>que<\/span> <\/span>adiciona<\/span> <\/span>um variador de frequ\u00eancia no compressor <\/span>para<\/span> <\/span>criar uma varia\u00e7\u00e3o de <\/span>velocidade<\/span> no <\/span>motor\u00a0do compressor<\/span>\u00a0<\/span>e<\/span>, portanto,<\/span> no <\/span>fluxo<\/span> de g\u00e1s\u00a0<\/span>refrigerante<\/span> <\/span>em vez de<\/span> <\/span>simplesmente<\/span> <\/span>ligar\/desligar<\/span> o motor do mesmo<\/span>.<\/span> <\/span>Ao<\/span> <\/span>operar<\/span> <\/span>em<\/span> <\/span>velocidades<\/span> <\/span>diferentes<\/span>,<\/span> <\/span>unidades<\/span> <\/span>VRV<\/span> <\/span>trabalham<\/span> <\/span>somente<\/span> o quanto for <\/span>necess\u00e1rio<\/span>, <\/span>permitindo<\/span> <\/span>economia<\/span> <\/span>substancial<\/span> de <\/span>energia<\/span> <\/span>em<\/span> <\/span>condi\u00e7\u00f5es<\/span> de <\/span>carga parcial<\/span>. A<\/span>\u00a0<\/span>tecnologia implementada na\u00a0troca de calor em um sistema<\/span>\u00a0<\/span>VRV<\/span> <\/span>permite a<\/span>\u00a0<\/span>unidades<\/span> <\/span>interiores<\/span> <\/span>individuais<\/span> <\/span>aquecer<\/span> <\/span>ou<\/span> <\/span>esfriar, se necess\u00e1rio,\u00a0<\/span>enquanto<\/span> <\/span>o<\/span> <\/span>compressor<\/span> <\/span>se <\/span>beneficia<\/span>\u00a0da <\/span><\/span>troca de <\/span>calor<\/span> <\/span>interno<\/span>. A<\/span> e<\/span>conomia<\/span> de <\/span>energia<\/span>\u00a0pode ser de <\/span>at\u00e9<\/span> <\/span>55%<\/span> <\/span>em compara\u00e7\u00e3o a um equipamento <\/span>Split convencional<\/span>.<\/span>\u00a0<\/span>I<\/span>sto<\/span> <\/span>tamb\u00e9m<\/span> <\/span>resulta<\/span> <\/span>em<\/span> <\/span>maior<\/span> <\/span>controle<\/span> <\/span>da<\/span> <\/span>temperatura<\/span> <\/span>interior<\/span> <\/span>do edif\u00edcio<\/span> <\/span>pelos<\/span> <\/span>ocupantes<\/span> <\/span>do edif\u00edcio<\/span>.<\/span><\/p>\n

VRVs<\/span> <\/span>v\u00eam<\/span> <\/span>em<\/span> <\/span>dois<\/span> <\/span>formatos<\/span> de <\/span>sistema<\/span>,<\/span> <\/span>tubula\u00e7\u00e3o<\/span> de <\/span>dois<\/span> <\/span>e<\/span> <\/span>tr\u00eas<\/span> <\/span>tubos<\/span>.<\/span> <\/span>Em<\/span> <\/span>um<\/span> <\/span>sistema<\/span> de <\/span>tubula\u00e7\u00e3o<\/span> de <\/span>2 tubos todos os ambientes <\/span>devem<\/span> estar, simultaneamente,\u00a0em modo de <\/span>refrigera\u00e7\u00e3o<\/span> <\/span>ou<\/span> <\/span>em<\/span> <\/span>aquecimento<\/span>.<\/span> Os sistemas que trabalham com Heat Recovery (HR, ou MHR) <\/span>t\u00eam<\/span> <\/span>a<\/span> <\/span>capacidade<\/span> <\/span>de<\/span> <\/span>aquecer<\/span> <\/span>simultaneamente<\/span> <\/span>certos ambientes <\/span>enquanto refrigera outros.<\/span> <\/span>Isto<\/span> <\/span>\u00e9<\/span> <\/span>feito<\/span> <\/span>geralmente<\/span> <\/span>atrav\u00e9s<\/span> de <\/span>um<\/span> <\/span>design<\/span> de <\/span>3<\/span> <\/span>tubos<\/span>,<\/span> <\/span>com exce\u00e7\u00e3o da<\/span> <\/span>Mitsubishi<\/span> <\/span>que<\/span> <\/span>\u00e9<\/span> <\/span>capaz<\/span> <\/span>de<\/span> <\/span>fazer<\/span> <\/span>isso<\/span> <\/span>com<\/span> <\/span>2<\/span> <\/span>tubos<\/span>.<\/span> <\/span>Neste<\/span> <\/span>caso<\/span> <\/span>o<\/span> <\/span>calor<\/span> <\/span>extra\u00eddo<\/span> <\/span>de<\/span> <\/span>zonas<\/span> <\/span>que exigem<\/span> <\/span>refrigera\u00e7\u00e3o<\/span> <\/span>\u00e9<\/span> <\/span>colocado<\/span> <\/span>em<\/span> <\/span>uso<\/span> <\/span>nas<\/span> <\/span>zonas<\/span> <\/span>que requerem<\/span> <\/span>aquecimento<\/span>.<\/span> <\/span>Isto<\/span> <\/span>foi<\/span> <\/span>poss\u00edvel<\/span> <\/span>porque<\/span> <\/span>a<\/span> <\/span>unidade<\/span> de <\/span>aquecimento<\/span> <\/span>est\u00e1<\/span> <\/span>funcionando<\/span> <\/span>como<\/span> <\/span>um<\/span> <\/span>condensador<\/span>,<\/span> <\/span>fornecendo<\/span> ‘l\u00edquido <\/span>l\u00edquida<\/span> <\/span>sub resfriado de volta <\/span>para<\/span> <\/span>a<\/span> <\/span>linha<\/span> <\/span>que<\/span> <\/span>est\u00e1<\/span> <\/span>sendo<\/span> <\/span>usada<\/span> <\/span>para<\/span> o <\/span>resfriamento<\/span>.<\/span> <\/span>Enquanto<\/span> <\/span>o<\/span> <\/span>sistema<\/span> de <\/span>recupera\u00e7\u00e3o<\/span> de <\/span>calor<\/span> <\/span>tem<\/span> <\/span>um<\/span> <\/span>maior<\/span> <\/span>custo<\/span> <\/span>inicial<\/span>,<\/span> <\/span>permite<\/span> <\/span>melhor<\/span> <\/span>zoneado<\/span> <\/span>controle<\/span> <\/span>t\u00e9rmico<\/span> <\/span>de<\/span> <\/span>um<\/span> <\/span>edif\u00edcio<\/span> <\/span>e<\/span> <\/span>em geral<\/span> <\/span>maior<\/span> <\/span>efici\u00eancia<\/span>.<\/span> <\/span><\/p>\n

Integra\u00e7\u00e3o<\/span> de <\/span>automa\u00e7\u00e3o<\/span> <\/span>para casa<\/span><\/strong><\/span><\/p>\n

Hoje<\/span>,<\/span> <\/span>existem<\/span> <\/span>gateways<\/span> <\/span>dedicados<\/span> <\/span>que<\/span> <\/span>conectam<\/span> <\/span>VRFs<\/span> <\/span>com<\/span> <\/span>dom\u00f3tica<\/span> <\/span>e<\/span> <\/span>controladores<\/span> de <\/span>BMS<\/span> <\/span>(Building<\/span> <\/span>Management<\/span> <\/span>Systems)<\/span> <\/span>para<\/span> <\/span>monitoramento<\/span> <\/span>e<\/span> <\/span>controle<\/span> <\/span>centralizado<\/span>.<\/span> <\/span>Estes sistemas s\u00e3o capazes de fornecer controle total do sistema de Ar Condicionado atrav\u00e9s da Internet com uma interface amig\u00e1vel e de f\u00e1cil utiliza\u00e7\u00e3o.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u00a0 O VRV (Volume de Refrigerante Vari\u00e1vel) ou VRF (do ingl\u00eas Variable Refrigerante Flow) \u00e9 uma tecnologia de ar condicionado inventada no Jap\u00e3o pela empresa Daikin em 1982. Os VRVs\u00a0utilizam o g\u00e1s\u00a0refrigerante como o para realizar o aquecimento e\/ou resfriamento. Este refrigerante \u00e9 condicionado por uma \u00fanica unidade condensadora externa e \u00e9 distribu\u00eddo no interior do edif\u00edcio em m\u00faltiplas unidades<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,4,6],"tags":[11,18,19,20,27,33,44,48,49],"class_list":["post-87","post","type-post","status-publish","format-standard","hentry","category-climatizacao-residencial","category-hvac","category-split","tag-ar-condicionado","tag-daikin","tag-economia-de-energia","tag-eficiencia","tag-hitachi","tag-mitsubishi","tag-split","tag-vrf","tag-vrv"],"_links":{"self":[{"href":"http:\/\/friotermica1.hospedagemdesites.ws\/blog\/wp-json\/wp\/v2\/posts\/87","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/friotermica1.hospedagemdesites.ws\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/friotermica1.hospedagemdesites.ws\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/friotermica1.hospedagemdesites.ws\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/friotermica1.hospedagemdesites.ws\/blog\/wp-json\/wp\/v2\/comments?post=87"}],"version-history":[{"count":0,"href":"http:\/\/friotermica1.hospedagemdesites.ws\/blog\/wp-json\/wp\/v2\/posts\/87\/revisions"}],"wp:attachment":[{"href":"http:\/\/friotermica1.hospedagemdesites.ws\/blog\/wp-json\/wp\/v2\/media?parent=87"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/friotermica1.hospedagemdesites.ws\/blog\/wp-json\/wp\/v2\/categories?post=87"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/friotermica1.hospedagemdesites.ws\/blog\/wp-json\/wp\/v2\/tags?post=87"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}