Ukuhlolwa kokuphepha komlilo kwangaphandle kuqinisekisile ukuthi izihlungi zomoya ze-Mann+Hummel zezinhlelo ze-HVAC zithobela izinga lakamuva lokuphepha emlilweni EN 13501 isigaba E (ukuvutha okuvamile), okubonisa ukuthi zombili izingxenye zomuntu ngamunye kanye nesihlungi sisonke, awanyusi ingozi ukusabalala komlilo noma ukuthuthukiswa kwamagesi entuthu esimweni somlilo.

Ukuphepha emlilweni kwezinhlelo zokungenisa umoya emakamelweni ezakhiweni kulawulwa yi-EN 15423. Mayelana nezihlungi zomoya, ithi izinto zokwakha kufanele zihlukaniswe mayelana nokusabela kumlilo ngaphansi kwe-EN 13501-1

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I-EN 13501 ithathe indawo ye-DIN 53438 futhi ngenkathi i-EN ISO 11925-2 iqhubeka nokusetshenziswa njengesisekelo sokuhlola, ukuthuthukiswa kwentuthu nokuconsa manje nakho kuyahlolwa okuyizengezo ezibalulekile ezingafakiwe ku-DIN 53438 endala. yentuthu noma ukuconsa lapho uvutha kwandisa kakhulu ingozi yomlilo kubantu. Intuthu iyingozi kakhulu kubantu kunomlilo ngokwawo, njengoba ingaholela entuthuni enoshevu nokubindwa. Imithetho emisha iqinisekisa ukuthi ukuphepha komlilo okuvimbelayo kubaluleke kakhulu.