Xylem LOWARA e-SV Series - Page 27

en – Translation of the Original Instructions
e-SV series – Additional Installation, Operation and Maintenance Instructions 27
NOTICE:
Only use single
-phase or three-phase motors with sizes and powers in compliance with
European standards.
NOTICE:
The mains voltage and frequency must match the specifications on the data plate.
Positioning of the motor terminal box
The position of the terminal box may be changed to facilitate the electric connections:
1. Remove the 4 bolts that secure the motor to the pump.
2. Rotate the motor in the desired position without removing the couplings.
3. Reposition and tighten the bolts at the torque indicated in the table.
Motor size
Bolt size
Torque, Nm (lbf·in)
71, 80
M6
6 (53)
90, 100, 112
M8
15 (133)
132
M12
50 (443)
160, 180, 200, 225, 250
M16
75 (664)
Electrical connection of the motor
1. Open the terminal box cover.
2. Connect the power supply conductors; see the figure below or the wiring diagram shown
inside the cover.
Position number
Bolt size
Torque, Nm (lbf·in)
A
M4
1,2 (11)
M5
2,5 (22)
M6
4,0 (35)
M8
8,0 (71)
M10
15,0 (133)
B
M4
1,2 (11)
3. Connect the protection conductor (ground), making sure that it is longer than the phase
conductors.
4. Connect the phase leads.
5. Close the terminal box cover and tighten all the screws and cable glands.
EHM_M0006_A_sc
1~
3~
A
B
A
B