Idiomas disponibles
Idiomas disponibles
Installation, use and maintenance
11.2
PIPING CONNECTIONS
FOREWORD
- Before carrying out any connection, refer to the visual indications i.e. arrow on the
pump head, to identify suction and delivery.
WARNING
PRELIMINARY
- Before connection, make sure that the piping and the suction tank are free of dirt and
INSPECTION
solid residue that could damage the pump and its accessories. NEVER COLLECT THE
FLUID FROM THE BOTTOM OF THE TANK SINCE IT MAY CONTAIN IMPURITIES
- Before connecting the delivery pipe, partially fill the pump body, from delivery side,
with the liquid that needs to be pumped in order to facilitate priming.
- Do not use conical threaded fittings, which could damage the threaded inlet or
outlet openings of the pump if excessively tightened.
12
INITIAL START-UP
FOREWORD
- Check that the quantity of fluid in the suction tank is greater than the amount you
wish to transfer.
- Make sure that the residual capacity of the delivery tank is greater than the quantity
you wish to transfer.
- Make sure that the piping and line accessories are in good condition.
NOTICE
WARNING
NOTICE
IF THE PUMP
DOES NOT
PRIME
AT THE END
OF THE INI-
TIAL
START-UP
30 /132
Wrong connection can cause serious pump damage.
THIS PUMP IS NOT PROVIDED FOR FURTHER REGULATION OF DELIV-
ERY AND PRESSURE
Fluid leaks can damage objects and injure persons.
- Never start or stop the pump by connecting or cutting out the power
supply.
- Prolonged contact with some fluids can damage the skin. The use of
goggles and gloves is recommended.
Depending on the system characteristics, the priming phase can last from
several seconds to a few minutes. If this phase is prolonged, stop the pump
and verify:
- that the pump is not running completely dry (fill with fluid from the delivery
line);
- that the suction pipe guarantees against air infiltration;
- that the suction filter is not clogged;
- that the suction height is not higher than 2 mt.
- that all air has been released from the delivery pipe.
When priming has occurred, verify that the pump is operating within the an-
ticipated range, in particular:
- that under conditions of maximum back pressure, the power absorption of
the motor stays within the values shown on the identification plate;
- that the delivery back pressure does not exceed the maximum back pres-
sure for the pump.
M0217E
