Maintenance - Calpeda NR serie Originalbetriebsanleitung

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