Installation and Operating Instructions
EN
SilentBox® SB EC . . . EC Centrifugal Fan Boxes
SB EC 200 . . - SB EC 355 . .
1 . Disconnect unit from the power supply and secure it against being switched on again!
2. Loosen the bolts on the hatch (1), 2 pcs Torx T25 M5x10. (View A)
3. Open the cover. (View B)
4. Loosen the two screws (3) on the motor bracket. (View C)
5. Tilt the bracket (4) for access to the fan wheel. (View D)
View A
View C
SB EC 400 . .
1 . Disconnect unit from the power supply and secure it against being switched on again!
2. Loosen the bolts on the hatch (1), 2 pcs Allen M8x20. (View E)
3. Loosen the latch at the hatch edge (2). (View F)
4. Open the cover (3). (View G)
5. Loosen the four screws (4) on the motor bracket. (View H)
6. Loosen the latch (5). (View I)
7. Tilt the bracket (6) for access to the fan wheel. (View J)
View E
View B
1
View D
3
View F
1
6
4