Wolf AHU TE Installation And Maintenance Instructions Manual page 23

Wiring for single speed
Motors up to 2.2 kW are generally started DOL,
from 3 kW as in star-delta formation.
Winding wiring diagram
Terminal block wiring
Δ wiring
Y wiring
Wiring for two speeds
(2 separate windings)
Wiring for 1000/1500 rpm or 750/1000 rpm, for example
Low speed
Contactor control
Wiring for 2 speeds in ratio 1:2
(winding as Dahlander pole changing circuit)
Wiring for 1500/3000 rpm or 750/1500 rpm, for example
Low speed
Use Windings for stepped output in accordance with a torque sequence
for fan drive
Contactor control
3064058_201610
Power connection
The winding cores are
terminated at the
Y/ switch
Δ
Y/ Δ switch
High speed
Pole change over switch
High speed
Pole change over switch
Wiring for three speeds
(2 separate windings, 1 as Dahlander pole changing circuit)
Wiring for fan drives 500/1000/1500 rpm or 500/1000 rpm
as Dahlander pole changing circuit.
Winding
Contactor control
Wiring for three speeds
(2 separate windings, 1 as Dahlander pole changing circuit)
Wiring for fan drives 750/1000/1500 rpm or 750/1500 rpm
as Dahlander pole changing circuit.
Winding
Contactor control
AHU TE
AHUW TE
or
Pole change over switch
or
Pole change over switch
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