EN
Ukugcina i-Industrial Air Handlers esebenza kwezindaweni zokuphela
Kubafundisa abafundisi bokuphatha imithombo kanye nabafundi bakwesayensi obahlela emazweni okukhula kwezintlanzi, ukufika kwemvulo kuyabika izinkinga ezihlukene zokuphatha kwe-HVAC. Umshini wokuphatha amafutha we-AC, owahlukile ngokuthi yindlela yokuphatha kwezintlanzi zomthombo, uyakhula kakhulu ekuthinteni kwezintlanzi ezingaphansi kwezintlanzi ezinkulu. Amashini okuphatha amafutha angaphansi, aqondwa ukuthi asebenze emazweni okukhula okungaphansi nokukhula kahle, akatholakali ukuthi asebenze lapho isikhathi sokuzimba siphansi kwezintlanzi zokuzimba. Lapho amafutha aphakathi kwe-evaporator coils ayagcina amafutha, umshini awatholi ukuthi uphatha amafutha ngendlela efanele. I-coil iyabulawa, umsindo wamafutha uyabulawa, futhi umshini uyaphambana ukuthi uhlale nesikhathi esifanele sokuzimba. Kumaqondo okusebenza ngokuphelele isigodi, umshini wokuphatha amafutha ophakathi kwezintlanzi zokuzimba ungathintela ukusebenza kwezindaba kanye ngenkumbulo yezimali eziningi zokugcina. Ukujabula izindlela zokuhlukana kwezindaba zokuphatha amafutha emzulu kwezintlanzi zokuzimba kuyisisekelo sokukhetha izinto ezizokusebenza ngendlela efanele kanye nezinkumbulo zokuzimba.
Ukuqonda Imithombo Yokuqhubeka Kwemithombo Yokuqhubeka Kwe-Coil Nokuthi Kuyaphakamisa
Isilungiselelo esiphambanana kakhulu kwesikhundla sesihlalo sesandla sesinye ngamaphuzu okuphuma kwezindawo ezingaphansi kwe-32°F sibiza isikhundla sokugcina isitha. Ngokuphuma kwezindawo ezinomoya omkhulu nezinkhulu zokushisa, umoya oshisayo kanye nesikhundla sokugcina isitha, amanzi akhona kulesi moya ayagcina ku-liquid. Kwezindawo eziphathelene ngezinhloso, lezi zinkhulu ziyadlula ngasemanzini yalesi sikhundla futhi zidla ngaphandle. Kodwa, xa umoya wesikhundla esiphakathi kwezindawo ziyaphansi kwe-32°F, lezi zinkhulu ziyagcina ngokukhazimula ngokusha kusuka kumfanekiso wamathuba. Isilungiselelo esincane sokufrost sifakwa ngokukhazimula, okuyoba yisilungiselelo sokuvimbela. Lokhu kuvimbela kubeka isikhundla sokugcina isitha ekhululekile ukuthatha isikhumbuzo esikhulu kusuka kumoya. Noma kuphela ukuthwasa okuncane kokufrost kungakwazi ukunciphisa ukusebenza kwesikhundla sokugcina isitha ngokukhulu ngemizuzu emibili. Isistimu isebenza ngokukhazimula ukuthola isikhumbuzo esikhulu, isikomphresha siyabhekwa ngokukhazimula, futhi ukuthenga kwamandla kwezinsuku kuyakhazimula. Uma lokhu kuyaphinda kuyaphinda, ukufrost kuyakwanda futhi kuyabulala ukudlula komoya ngasemanzini yalesi sikhundla, okuyabulala isistimu.
Isiphumo Sokuphakanyiswa Kwesikhathi Sokufaka Nokususa Isilungu
Umbono wokufa kwe-coil kushukuma kakhulu ngokwesikhathi esingasemthwakweni kwamandla okuchitha kwezindustria. Ngaphandle kokusimama kwezinhlelo zokusebenza kwezinkundla ezingavamile ukuthi zisebenze ngokuphambuka ukuze zihlanganise isimo sesikhathi esifanayo, izinhlelo zokusebenza kwezindustria zisemthwakweni ngokuphambuka ukuthi zihlanganise izinkinga eziningi. Uma umshini wokubeka amandla uvale, irefrijerenti evuthulayo ayisebenzi kulo coil, futhi isibonelo se-coil siphuma emoyeni. Umpho owadlula kulo coil noma ekhaya lokuvula kuyabuka ngokushukumezela. Ngokuzunywa kwezinsuku zokusebenza ngokuphambuka, le bungu yokuqondisa ice libona ngokushukumezela izinhlelo zokuvula futhi yenza ice enkulu. Lokhu kubiza amanzi ukuba bakhanye ekhaya lokuvula, okuyakubiza amanzi ukuba bakhanye futhi bakuboneka kwezinhlelo zokusebenza ezizungezwe. Okwesibili, ukuphambuka nokushukuma kwamandla kwe-ice kwezinhlelo zokuvula nezinhlelo zokugcina kwenza ubukhane bokusebenza. Ngokuzunywa kwezinsuku, le tshechetshe yokubuka nokushukuma kuyabiza ukuthi izinhlelo zokuvula ziyabuka, okuyakubiza ukuthi irefrijerenti ibuka.
Izintechinoloji Zokuvula Kwizindaba Zemvelo
Ukukhupha ukuthi izinkambo ziyakwenzeka nokubamba isikhathi sokusebenza, izinhlobo zezinhlobo zokusebenza emvelini kufuneka ziqondise izintechinoloji zokuvula okuzimele. Umthodo wokwenzela okunamandla kanye nokuthi uyasebenza ngokuphelele ngu-“hot-gas bypass system”. Le ndlela iyakhupha isitha esincane sesigas sokuchaza esihlwa kusuka kumkhumbi kuyabuyisa ngokuzimayo ekupheleni kwesibhanku. Lokhu kubiza isikhwama sokusha kwe-coil ngokufanayo ukuze kungakwazi ukuthi isigas sikhuphe, ngaphandle kokuthi kubhekiswe isikhathi sokuchaza. Kumaqondo apho izinkambo ezingaphezu kwezinye ziyakhiwa kakhulu, isistimu yokuvula ngokuhambisa isikhathi sokuchaza (reverse-cycle defrost system) siyasebenzisa. Kule modi, isikhathi sokuchaza kuhambisana ngokusha, kwenza isibhanku sokuvula ukuba yisibhanku sokuchaza. Isheat esiphakathi kwe-refrigerant siyasebenzisa ukuvula ngokusha izinkambo ezikolweni. Le tsheke yokuvula iyathuluzwa ngokuzenzakalelayo ngamatshelo okuchaza isikhwama, futhi isikhathi sakho singaseminye eminitheni, emva koko isistimu isibuyisa ngokuzenzakalelayo isikhathi sokuchaza.
Ukubhalisa Isistimu Yokukhupha Amasweli Kukhanda Lokusha
Isistimu esibhalisiwe ngokuphelele yokukhupha amasweli sikhulu kakhulu njengokuphelele kokususa umshini. Ukuzinikezela ukuthi amanzi ayekhuphe kuunit ebe akhuphe, isitsha sokukhupha kufanele sibe phansi kwesilinganiso sokusha. Lokhu kufakwa ngokunqoba umthwalo wokusha wesifunda noma isikhathi sokusha sokugcina ngaphansi kwesitsha. Amathuba okukhupha okuyekhupha kuunit kufanele abe ne-“downward slope” ekhulu ukuze amanzi ayekhuphe ngokwezinyawo zokukhupha. Emizimbeni eyinkulu yokusha, amakhabhodi okusha okuzinikela okukhupha ayebhekwa emaphipheni okukhupha ukuze amanzi ayishwi ngokusha xa ayekhupha ku-drain yasezindaweni. Amaphiphe ayenziwe ngokuhambisana nokusha ukuze ayishwi amandla okusha. Ngokwenza lezi zinhlobo zokuvikela, umphathi wezindawo uyakwazi ukuzinikezela ukuthi isistimu yokukhupha ayishwi ngokusha nakuba isilinganiso sokusha sibeka emizimbeni eyinkulu.
Ukukhulisa Umkhakha Wokugcina Isitha Kusukela Kwemiphumela Yomhlaba Ombi
Umbi wokuphuma kwezinsuku ezingaphansi kakhulu kuyasebenza njengesibonelo esikhulu sokuthiwa kubukhali besebukhali ne-umkhakha wokugcina isitha. Uma ubukhali busula, isitha sesitha esikhiywe emcondeni singabuka futhi sibecwa ngamandla. Uma ubukhali buqala kabusha, kungakwazi ukuthatha isitha esibe yisilwane ngokuzimela emashilini akhe. Lokhu kuchazwa ngokuthi yi-liquid slugging, futhi kungasebenza njengesibonelo esikhulu sokuthiwa kubukhali besebukhali. Ukukhulisa lokhu, amasitha okusebenza kwezinye izinhlayo zokusebenza kwenqubo yokuqala kunezinkambo zokubhekisa izinqumo ezimbili ozokubhekisa ukuthi ubukhali abusule ngokuphansi kakhulu. Bafaka futhi izinkambo zokubhekisa izinqumo zokuphakama kwezinye izinhlayo zokusebenza kwenqubo yokuqala ukuze bakhulise isilinganiso sokuphakama kwezinye izinhlayo zokusebenza ngokubhekisa ispeed yomshini wokuphakama kwezinye izinhlayo zokusebenza. Lokhu kubhekisa ukuthi ubukhali buqale ngokuphathelene nesilinganiso sakhe nangalokho umbi wokuphuma kwezinsuku ezingaphansi kakhulu.
Ukubonisa Ukusebenza Ngokusebenzisa Iziphetho Zokusebenza Zokufundwa
Kukhetha umsebenzisi wokuphakamisa amafutha kusuka kwezindawo eziphakeme kakhulu, kuyisisekelo sokubona izinkambo ezithile eziyisifundo neziqukwe ngamandla okuziphatha ngokwemithombo yezimiso. Izimiso zokufunda njenge-AHRI Standard 430 ne-ISO 5151 zinakha isimo sokubhalisa ukukhanya kwesikhathi sokuphakama, ukuvulwa kwamafutha, nokusebenza kahle kwesikhathi sokuphula amafutha ekhanda eliphakeme kakhulu. Ukuziqasha ngokwesimiso se-EN 1886 sibonisa ukuthi isikhumba sesikhathi sisizwe ngokwesikhathi sokuphakama nokuphula amafutha. Izinkambo eziyisiqukwe ngalezi zimiso ziyasibonisa ukuthi zisabona ukusebenza kahle ngokuphinda kabusha kwezikhathi zokuphakama nokuphula amafutha, okunika inqubo yokuphakama nokukhanya ukuthi izinkambo zokuphakama nezinkambo zokuphatha zisabona ukusebenza kahle. Ukukhetha izinkambo eziyisiqukwe ziyakunika umphathi wekhaya inkambo yokuthi le nkambo iyasebenza kahle ngokuphakeme kakhulu kwezindawo zokuphakama kakhulu.
Ukwenza ukuthengisa okuhlanganisa ukuthi kungcono kakhulu kwezindawo zokuphakama kakhulu
Ukukhetha umsebenzisi we-AC we-air ukusuka kwezindawo eziphansi kwe-zero degree Celsius kuyindlela yokuhlanganisa imali ekusebenzeni kwesikhathi sokusebenza. Amasimilari kufanele akhombise isimo esiphansi kakhulu sokusebenza esifanana nesimo sokuzalwa kwezindawo. Abathengi bafune ukuthola izindaba zokuphakanyiswa kwe-factory ukuqinisa izilungilelo. Kuyisembele kakhulu ukukhetha amasimilari okunye nezinto ezimbili ezinamandla. Isibonelo, isistimu ene-compressors ezimbili inakwazi ukusebenza ngokugcwele noma yiluphi na komunye ukungasebenzi. Kufanele ukubheka ngokujulile i-warranty ukuqinisa ukuthi ikhombisa ukuthi inakwazi ukuvikela ubumnyama obuchazwe ngokusebenza phansi kwe-zero degree Celsius. Ngokwesikhathi sokusebenza esingakwazi ukuthi sishuthe ngomso kwezinsuku zokushisa, ukuthenga umsebenzisi we-air othengisiwe ngokwesikhathi sokushisa kuyindlela yokuhlanganisa imali enobuncwadi.
Ukuthi Ukwenyani Kwemithombo Yenziwe Ngaphandle Kokukhanya Kwesikhathi Sokushisa
Kokuphela, ubukhulu bekhothama lokusebenza kwe-air handler kusobala ngokujulile kwezinto ezisakhiwe ngokujulile. Ukujulile kwezikhumba zokugcina amandla, ubukhulu bekhothama lokugcina amandla, nokubaluleka kwezinhlobo zezitha zokuhlela ziyabonisa ukuthi isistimu izosobala njani ekhanda. Abasakhi abasebenzisa izindlela zokujulile zokusebenza, njengoko kuyisifundo se-ISO 9001, bakhupha izinkampani zabo zokusebenza emkhathini omncane ngokujulile kwezinkampani zokusebenza emkhathini omncane ngaphansi kwesilinganiso sokuchitha amandla ngaphambi kokuphuma emgungu. Bazisebenzisa izinto ezijulile nezinqumo eziyakhiwe ngokujulile ukusebenza emkhathini omncane. Kusukela kumngeni wemvelo osebenzisa isistimu se-HVAC ukuze aqinisekise ukuthi umlando wokusebenza uzosobala, ukuxhumana nomuntu owensebenzisa izindlela zokujulile zokusebenza nokubaluleka kwezinto ezijulile kuyenza ukuthi kufanele kube nesibindi esikhulu ukuthi izinkampani zizosobala nakho ekhanda ekhulu kakhulu.