Commissioning of the auxiliary fan for delta - star - changeover
3063590_201305
LH 25 / 40 / 63 / 100 - 3 x 400 V
GB
TLH / TLHK 25 / 40 / 63 / 100 / 3 x 400 V
Attention must be paid to the correct direction of rotation of the fan during
commissioning. Observe the direction arrow on the rear wall of the device or
on the fan impeller
If the sense of rotation of the fan is to be changed during operation with delta
- star - changeover (2-stage operation), the electrical connection is to be
performed in accordance with the following connection diagram, in order to
avoid damage to the motor.
Exchange of two pairs of windings
TB Thermal overload PTC
*
Remove bridge when connecting a room thermostat
K1 3/4 contact for heating requirement
U1
V1
U2
V1
U1
V2
V2
U2
3