ALBERTO SASSI MODY Betriebs- Und Wartungsanleitung Seite 40

Owner's handbook
DIAGRAMS FOR ELECTRIC CONNECTIONS
8 9
–
+
Motors AC2
The connections in AC2 motors depend
to the feeding voltage: Star 380-400V, Delta
220-230V.
To change from Star to Delta connection,
disconnect the red wires U2, V2 and W2 from
Star centre, and connect them according to
the plan (U2 with V1, V2 with W1 and W2
e Trattam. Superficiale Trattamento Termico
with U1).
Superficial Treatment Thermic Treatment
indicazione di tolleranza: Grado di precisione medio UNI EN 22768-1(1996) con prescrizione di collaudo -
without indication of tolerance: Precision medium level UNI EN 22768-1(1996) with inspection prescription -
Dimensioni mm. < 6
22768-1 /Dimensions
Scostamenti mm. ± 0.1
/Deviations
Denominazione
Motors VF
\Description
R
The connection type Star or Delta de-
Tipo
SASSI
Type
pends on the feeding voltage. With feeding
LANO
Proprietà della S.p.A A. SASSI tutelata a termini di legge.
NA
Property of ALBERTO SASSI S.p.A protected by law.
voltage 380-400V the connection is Star type,
while with voltage 220-230V is Delta type.
To change from Star to Delta connection,
disconnect the red wires U2, V2 and W2 from
Star centre and connect them according to the
plan (U2 with V1, V2 with W1 and W2 with U1).
On the contrary, to change from Delta to
Star connection, disconnect the red wires U2,
V2 and W2 from the terminals of the previous
Motors VF STAR DELTA
The connection type Star or Delta depen-
ds on the condition of use of the gear, which
can be found in Sassi catalogue and is not
linked to the feeding voltage.
To change from Star to Delta connection,
disconnect the red wires U2, V2 and W2 from
Mody - Leo - Toro
* Reference plan for those brakes ordered
and connected in parallel in factory.
10
plan for brake connection in parallel.
Durezza N. Modello
Hardness Model N.
+
Fori toll.
+
Tol. holes
< 30 < 120 < 400 < 1000 < 2000
± 0.2 ± 0.3 ± 0.5 ± 0.8 ± 1.2
Scala
1:1
Scale
Data
Date
Disegnato
Drawn by
Controllato
Computer Aided Design
Checked by
REV. 3 / 2014-04
On the contrary, to change from Delta to
Star connection, disconnect the red wires U2,
V2 and W2 from the terminals of the previous
point and connect them in the terminal of Star
centre.
IMPORTANT: Check real net voltage before
changing connection type in 2 speed motors.
Peso [Kg]
Weight
-
; Alberi toll.
-
; Tol. shafts
< 4000 > 4000
± 2 ± 3
Rev. 18/01/2012
point and connect them in the terminal of Star
centre.
IMPORTANT: in both 2 speed and VF motors
always connect 220 AC voltage to terminals
1 and 2 of the fan.
Motors VF 4 / 4E
The principal winding of this type of
motor has a Star connection (with feeding at
380-400V), while the secondary emergency
one has a Delta connection (with feeding 220-
230V).
Star centre and connect them according to the
plan (U2 with V1, V2 with W1 and W2 with U1).
On the contrary, to change from Delta to
Star connection, disconnect the red wires U2,
V2 and W2 from the terminals of the previous
point and connect them in the terminal of Star
centre.
41 English