PURMO F1S Trench Fan Convectors Manual mai amfani
Wannan jagorar mai amfani yana ba da umarnin taro mataki-by-steki don shigar da maɓalli na fanko daga PURMO, gami da F1S, F2C, F2V, F4C da F4V. Koyi yadda ake shirya ƙasan ƙasa, haɗa tsarin dumama da gwajin matsa lamba don tabbatar da shigarwar da ba ta da ruwa.