Kupisa kudzoreredza kufefetedza uye simba rekudzoreredza kufefetera kunogona kupa mutengo unoshanda wemhepo masisitimu ayo zvakare anoderedza mwando uye kupisa kurasikirwa.
Zvakanakira kupisa uye simba kudzoreredza ventilation masisitimu
1) vanoderedza kurasikirwa kwekupisa saka kushomeka kwekuisa kwekushisa (kubva kune imwe sosi) kunodiwa kusimudza tembiricha yemukati kusvika padanho rakanaka.
2) simba shoma rinodiwa kufambisa mweya pane kuipisa
3) masisitimu aya anodhura zvakanyanya muchivako chisina mhepo uye kana akaiswa sechikamu chekuvakwa kweimba nyowani kana kugadziridzwa kukuru - haagare akanyatsokodzera kudzoreredza.
4) vanopa mhepo yekufefetera uko mahwindo akavhurika angave njodzi yekuchengetedza uye mumakamuri asina mahwindo (semudzimba dzekugezera uye zvimbuzi)
5) vanogona kushanda semhepo inofefetera muzhizha nekupfuura iyo yekupisa sisitimu uye kungotsiva mweya wemukati nemhepo yekunze.
6) vanoderedza hunyoro hwemukati munguva yechando, sezvo mhepo inotonhorera yekunze ine hunyoro hwakaderera.
Mashandiro avanoita
Kupisa kudzoreredza kufefetera uye simba rekudzoreredza kufefetera masisitimu anoitwa masystem ekufemesa anosanganisira mafeni maviri - imwe yekukwevera mhepo kubva kunze uye imwe yekubvisa mweya wakareruka wemukati.
Mhepo-kune-mhepo inopisa yekupisa, inowanzoiswa munzvimbo yedenga, inodzora kupisa kubva mukati memhepo isati yabudiswa kunze, uye inodziya mhepo iri kuuya nekupisa kwakadzoserwa.
Heat recovery systems inogona kushanda zvakanaka. BRANZ yakaita muyedzo muimba yekuyedzwa uye musimboti wakadzora kunosvika 73% yekupisa uku kubva kumhepo yaibuda - inoenderana neyakajairwa 70% kushanda zvakanaka kwekuyambuka-kuyerera macores. Kungwarira dhizaini uye kuisirwa kwakakosha kuti uwane iyi nhanho yekubudirira - chaiyo yakaunzwa inoshanda inogona kudonha pazasi 30% kana ducting mhepo uye kupisa kurasikirwa zvisina kunyatsotariswa. Panguva yekumisikidza, kuseta yakaringana inobvisa uye yekupinda mhepo kuyerera kwakakosha kuti uwane kunyatso shanda kweiyo system.
Zvakanaka, ingoedza kudzoreredza kupisa kubva mumakamuri umo tembiricha yemhepo iri pamusoro petembiricha yekunze, uye endesa mweya mutsva unodziya kumakamuri akavharirwa kuitira kuti kupisa kusarasikirwe.
Masisitimu ekudzoreredza kupisa anosangana nezvinodiwa zvekufefetera kunze kwemhepo muBuilding Code clause G4 Ventilation.
Cherechedza: Mamwe masisitimu anokwevera mhepo mumba kubva padenga remba anoshambadzirwa kana kusimudzirwa semasystem ekudzoreredza kupisa. Mhepo kubva padenga remba haisi mweya mutsva wekunze. Paunenge uchisarudza kupisa kudzoreredza kufefetera system, ita shuwa kuti iyo yakarongwa system inonyatso batanidza kupisa kudzoreredza mudziyo.
Energy recovery ventilation systems
Simba rekudzoreredza kufefetera masisitimu akafanana nemasisitimu ekudzoreredza kupisa asi anotamisa mhute yemvura pamwe nesimba rekupisa, nekudaro achidzora humidity. Muzhizha, vanogona kubvisa imwe mhute yemvura kubva kumhepo yekunze ine mwando isati yaunzwa mumba; munguva yechando, vanogona kuendesa hunyoro pamwe chete nekupisa simba kune iri kuuya inotonhora, yakaoma kunze kwemhepo.
Masimba ekudzoreredza masisitimu anobatsira munzvimbo dzakaderera zvakanyanya uko hunyoro hunogona kudiwa, asi kana kubviswa kwehunyoro kuchidikanwa, usatsanangure hunyoro hwekufambisa.
Sizing a system
Iyo Inodiwa YeBuilding Code yekufefetera mhepo yekunze yekunze inoda kufefeterwa kwenzvimbo dzakagarwa zvinoenderana ne NZS 4303:1990 Kufefetedza kwemweya wemukati unogamuchirwa. Izvi zvinoisa mwero pa 0.35 shanduko yemhepo paawa, iyo yakaenzana nechikamu chimwe muzvitatu chemhepo yese iri mumba iri kuchinjwa awa yega yega.
Kuti uone ukuru hwemhepo inofefetera inodiwa, verenga huwandu hwemukati hweimba kana chikamu cheimba chinodiwa kufefeterwa uye wowedzera huwandu ne 0.35 kuti uwane hushoma huwandu hwekuchinja kwemhepo paawa.
Semuyenzaniso:
1)yeimba ine uriri nzvimbo ye80 m2 uye mukati vhoriyamu ye192 m3 – wedzera 192 x 0.35 = 67.2 m3/h
2)yeimba ine floor area 250 m2 uye mukati vhoriyamu 600 m3 – wedzera 600 x 0.35 = 210 m3/h.
Ducting
Ducting inofanira kubvumira kudzivirira kuyerera kwemhepo. Sarudza hukuru hukuru ducting inokwanisika sezvo yakakura iyo dhayamita yedhiraivha, zvirinani kuita kwekufambisa kwemhepo uye kudzikisira kuyerera kwemhepo.
Saizi yedhayabhorosi yakajairika ndeye 200 mm dhayamita, iyo inofanirwa kushandiswa pese pazvinogoneka, ichidzikisa kusvika 150 kana 100 mm dhayamita ichiendesa kune sirin'i mavhavha kana magrille kana zvichidikanwa.
Semuyenzaniso:
1) 100 mm sirin'i vent inogona kupa mweya mutsva wakakwana kukamuri ine mukati vhoriyamu ye40 m.3
2)mukamuri hombe, ese ari maviri kana anopfuura 100 mm dhayamita sirin'i mavharu anogona kushandiswa.
Ducting inofanira:
1)ive nemukati menzvimbo dzakatsetseka sezvinobvira kuderedza kuyerera kwemhepo
2) iva nenhamba shoma yekubhenda inogoneka
3)pakubhenda kusingadzivisike, itai kuti dhayamita yakakura sezvinobvira
4)isina mabhendi akaomarara sezvo izvi zvichigona kukonzera kuyerera kwemhepo kuramba
5) kuva insulated kuderedza kupisa kurasikirwa uye duct ruzha
6) iva necondensate drain ye exhaust ducting kubvumira kubviswa kwehunyoro hwakagadzirwa kana kupisa kwabviswa kubva mumhepo.
Heat recovery ventilation zvakare isarudzo yekamuri imwe chete. Kune mayunitsi anogona kuiswa pamadziro ekunze pasina ducting inodiwa.
Kupa uye kupedza mavheti kana grilles
Tsvaga mhepo inopihwa uye yekupedza mhepo kana magrille kuti uwedzere kushanda kweiyo system:
1) Wana nzvimbo dzekugezera munzvimbo dzekugara, semuenzaniso imba yekutandarira, imba yekudyira, yekufunda uye yekurara.
2)Tsvaga maepoust vents panogadzirwa hunyoro (kicheni nedzimba dzekugezera) kuitira kuti hwema nemhepo yakanyorova zvirege kudhonzwa munzvimbo dzekugara isati yaburitswa.
3) Imwe sarudzo ndeyekutsvaga mavhaira ekupa kumativi akatarisana emba aine yekubuditsa mhepo mukoridho kana nzvimbo yepakati mumba zvekuti mweya mutsva, unodziya unounzwa kumadziro emba (semudzimba dzekutandarira nemakamuri ekurara) uye inoyerera ichienda kumhepo yepakati pemhepo.
4) Tsvaga yemukati memukati uye epositi inobuda kure kure mukati memakamuri kuti uwedzere kutsva, kudziya kwemhepo kutenderera munzvimbo.
5) Tsvaga mhepo yekunze uye mhepo yekuburitsa mhepo inobuda kure zvakaringana kuti uve nechokwadi chekuti mhepo yekuburitsa haina kudhonzwa mumhepo nyowani. Kana zvichiita, vatsvake kumativi akasiyana emba.
Maintenance
Iyo sisitimu inofanirwa kushandirwa gore negore. Pamusoro pezvo, muridzi wemba anofanirwa kuita zvinogarogadzirisa zvinodiwa zvinotsanangurwa nemugadziri, izvo zvinogona kusanganisira:
1) kutsiva mafirita emhepo 6 kana 12 pamwedzi
2) kuchenesa kunze hoods uye skrini, kazhinji 12 pamwedzi
3) kuchenesa iyo yekutsinhanisa kupisa unit ingave 12 kana 24 pamwedzi
4)kuchenesa mudonzvo we condensate uye mapani kubvisa mold, mabhakitiriya uye fungi 12 pamwedzi.
Zviri pamusoro apa zvinobva papeji rewebhu: https://www.level.org.nz/energy/active-ventilation/air-supply-ventilation-systems/heat-and-energy-recovery-ventilation-systems/. Ndatenda.
