Pentair NOCCHI FP Multi EVO-A Manual De Instrucciones página 22

ENGLISH
• the pump only operates intermittently
= loss from system below minimum
flow of electronic control device
• For self-priming pumps only: the dif-
ferential pressure inside the pump is
too low = gradually close a valve until
delivery pressure stabilizes and the
noise level is reduced
The pump rotates in the opposite direc-
tion when shut down
• Foot valve or check valve defective or
blocked in the open position = remove
and clean or replace the valves
• leak from suction pipe = remove and
repair suction pipe
DISASSEmBLy AND
DISPOSAL
Before any intervention on the
system, disconnect the electrical
mains. Ensure that the electrical
power supply cannot be restored inad-
vertently.
• Disconnect the electronic device and
pump electrically from the system
according to safety standards.
• Open the utility point closest to the
pump to discharge system pressure.
• Before disassembly, close the shut-
off valves on the delivery side, and if
present also close the shutoff valve on
the suction side.
Note the position of the filler
hole, which is also used as a
bleed point. Ensure that the liq-
uid on outlet cannot cause damage or
physical injury.
22 22
• loosen the filler cap to reduce the
pressure of the liquid remaining be-
tween the two valves
• Remove the drain cap from the pump
body to completely empty the pump
this product or any part of the latter must
be disposed of in accordance with lo-
cal standards using the public or private
waste collection authorities as required.