Ukulawula izinga lokushisa okumile ± 1 ° C, okuguquguqukayo ± 3 ° C.
I-Preheater isebenzisa indlela yokubamba ukuze yenze isilawuli sezinga loketshezi sizinze futhi siphakele ngokunembile (ilungelo lobunikazi: ZL201420137471.2).
Umshini wokushisa ukushisa unokusetshenziswa kwamandla okuphansi kanye nomphumela omuhle wokushisa.