OSEF Ranu Whakaranuhia te Kaiwhaiwhai me te Tohu Kaiwhakamahi Tohu
Akohia me pehea te whakahaere me te whakairi i te OSEF Mixed Flow Fan me te Timer. Whakahaerehia te tere o te kaiwhai me te voltage ranei nga kaiwhakahaere thyristor. Whakaritea te wa whakaroa whakaweto ma te whakamahi i te huriwiri kirihou kua whakauruhia. He tino pai mo te hau i roto i nga whare me nga riu hau 150mm.