Yaskawa i80M Connecting Manual - Manual (Page 9)

Allow forced air to circulate inside the unit at 2 m/s. Be careful not to blow air directly
on the surfaces of the printed circuit boards.
MEASURING
/
(a)
VENTILATING DUCT
(d) Mounting Cooling Fan
Fan recommended 4715PS (120” X40 ‘ )
Fig. 4.2
0
J Z N C - I R K 2 2
20
114 200 90 ‘
1 ,
404
Forced Air
Blown Directly
(b) Wrong
For
Fig. 4.3 Mounting Cooling Fan (Dimensions in mm)