Calpeda NR Serie Instrucciones Originales De Uso página 6

4.93.032.2
NR, NR4
drain and condensation water hole
motor ventilation,
4. Pipes
suction pipe
5. Electrical connection
Follow all safety standards.
The unit must be properly earthed
(grounded).
ATTENTION: with motor power rating ³
5.5 kW avoid direct starting. Provide a
control panel with star-delta starting or
an other starting device.
device for disconnection from
the mains,
6
6. Starting
Never run the pump dry.
With three-phase motors check
direction of rotation
Care must be taken when the pum-
ped fluid has a high temperature.
Do not touch the fluid when its tem-
perature is higher than 60 °C. Do
not touch the pump or motor when
their surface temperature is higher
than 80 °C.
7. Maintenance
Disconnect
before any servicing operation.
8. Dismantling
9. Spare parts
the
electrical power