IDU22E to 75E Dimensions Model IDU22E IDU37E IDU55E IDU75E Port size (mm) R1 R1 1/2 R2 A 325 360 470 775 855 1153 1258 1345 1480 1235 1350 1440 1575 445 550 530 93 64 53 46 30 353 388 500 85 75 600 680 700 379 414 526 B C D E F 279 290 360 G 50 70 H J L M N P Dimensions G A P L 13 Terminal block Evaporation thermometer Illuminated switch Drain tube (O.D. o10, length approx. 1 m) Ball valve Ventilation direction Ventilation direction (D) J H C B E (F) Power cable holder N M (Electric wire diameter o9 to 11) [opposite side] 4 x o13 Ventilation air outlet Compressed air inlet Port size Compressed air outlet Port size 48 Series IDU �ｭE