PYROSTAR
–
SMOKE FAN F400-120
MS-MTG-001
Ind E
01/10/2019
Page 5/8
III.3.
III.3 2 speeds motors
2 speeds
–
1 voltage (Dhalander wiring) 400 V
–
2/4 or 4/8 poles motors
Low speed
High speed
III.4.
III.4 2 speeds motors (separate windings)
2 speeds
–
1 voltage (separate windings) 400 V
–
4/6 poles motors
Low speed
High speed
Once wiring is done, check if the impeller is turning in the right direction. If not, reverse two phases and check again.
Please note that a fan running in the wrong direction
doesn’t
drive air in the opposite direction, but only provide lower airflow than expected.
