Uvavanyo lwangaphandle lokhuseleko lomlilo luye lwaqinisekisa ukuba izihluzi zomoya ze-Mann + Hummel kwiinkqubo ze-HVAC zihambelana nomgangatho wamva nje wokhuseleko lomlilo EN 13501 iklasi E (ukutsha okuqhelekileyo), ebonisa ukuba zombini amacandelo kunye nesihluzo xa siphela, awanyusi umngcipheko ukusasazeka komlilo okanye ukuphuhliswa kweegesi zomsi kwimeko yomlilo.

Ukhuseleko lomlilo lweenkqubo zokungena komoya kwigumbi kwizakhiwo lulawulwa yi-EN 15423. Kwizihluzi zomoya, ithi izixhobo kufuneka zihlelwe malunga nokusabela kumlilo phantsi kwe-EN 13501-1

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I-EN 13501 ithathe indawo ye-DIN 53438 kwaye ngelixa i-EN ISO 11925-2 iqhubeka isetyenziswa njengesiseko sovavanyo, uphuhliso lomsi kunye nokuthontsiza ngoku kuyavavanywa ngoku ezongezo ezibalulekileyo ezingabandakanywanga kwi-DIN 53438 endala. Umsi okanye ithontsi xa utshisa kakhulu kwandisa ingozi yomlilo ebantwini. Umsi uyingozi ngakumbi ebantwini kunomlilo ngokwawo, njengoko unokukhokelela kwityhefu yomsi kunye nokufuthaniselwa. Imimiselo emitsha iqinisekisa ukuba ukhuseleko lomlilo lokuthintela luthatha ukubaluleka ngakumbi.