SFA SANIPUMP ZPG 71 Notice De Service / Montage page 10

- The switching device has to be installed outside the flood-
endangered area!
- The floater for the protection against dry running has to be
installed in such a way, so that a decline
of the water level below the bottom line of the motor housing is
not possible.
Wiring diagrams three phase AC motor:
Connection of the thermal winding cover:
Control loop: T1 and T2 must be connected in a switching device in such a way, that the following function
is guaranteed: when the temperature sensors respond, the pump is switched off until the tempera-ture has
dropped again. Now the pump is switched on again.
5.2 Hydraulic system
The waste water pump must be protected effectively against the suction
of air.
Installation with supporting ring:
- Mount supporting ring to intake flange of the pump and install pump. Ensure stability of the pump.
- Connect pressure side by means of flange DN 50.
- If a hose is to be laid on the pressure side, kinks are to be avoided.
- Avoid kinks during the laying of the supply cable. Lay supply cable without tensile loading and without
causing chafe marks.
Installation for shaft fitting:
- Position pipe clamp on inner rim of the shaft and loosely fix it with two screws.
MAINS
3~ 400 V/50 Hz
L1 L2 L3
Fuse
Motor
protection
Motor
relay
U1 V1 W1
1 2 3
M
3~
400 V
50 Hz
Thermal winding
protection
TB1 TB2
4 5
Green/Yellow
PE conductor
9