23
Electrical Connection
Three-speed motor: 500/1000/1500 rpm Dahlander and separate
winding Y/YY/Δ
Only with motors from size 250, 45 kW
Motor version:
12/6/4 pole
pole interchangeable
Speed 1 and 2 with Y/YY Dahlander connection
Speed 3 with Δ connection with Z terminal
4-6 PTC resistor sensors, depending on the size of the
motor
Total resistance RK (20 °C) approx. 400-600 Ω
*1 PTC resistor
*2 Full motor protection device
230 V~ AC motor
Motor version:
1-speed motor, 1450 rpm
Supply voltage: 1 x 230 V~/ 50 Hz
Max. output: 1.75 kW
Motor connection: with operating capacitor
Motor protection: thermal contact
• Check the current consumption at all speeds and compare this
with the information on the motor rating plate or the enclosed
documentation.
• To check for symmetrical loading of the electric motor, all connecting
cables must be measured at every speed. If the specified values
are exceeded, or current consumption varies in the individual
phases, the cause of this must be determined.
Frequency converter
Settings are perrformed and adjusted during commisioning.
Service switch
A lockable service switch must be installed near the fan section access
door.
The wiring for service switches installed at the manufacturer’s is led
to the motor.
Installation and connection of the servo actuator
• If a EVO-M servo actuator is pre-installed at the manufacturer’s,
connect this in accordance with the servo actuator data sheet.
• If other servo actuators are used, use the accompanying
documentation.
Additional electrical components
• Connect additional electrical components in accordance with the
relevant documentation/wiring diagram provided.
230 V~ AC motor
K
K
L1
1U
2W
2U
1W
L3
2V
1V
1U
2U 3U1
1W
2W
3W
L2
L1
L3
1V
2V
3V
1U
2U
3U
1W
2W
3W
L2
L1
L3
1V
2V
3V
1U
2U
3U
L2
L1
L3
1V
2V
3V
1W
2W
3W
L1
2U
1W
1U
1V
L2
2V
2W
L3
L2
L1
3W2
3W
L3
3V
3W2
Speed 1:
500 rpm
Speed 2:
1000 rpm
*2
*1
Speed 3:
1500 rpm
U2 U1
PE
T
M
1~
Z2 Z1
T
U2 U1
PE
T
M
1~
Z2 Z1
T
Anti-clockwise rotation
Clockwise rotation
