Faults, Causes And Remedies; Spare Parts - salmson NEXIS-V 22 Instalacion Y Puesta En Servicio

ENGLISH

10. FAULTS, CAUSES AND REMEDIES

WARNING! Electrical shock hazard!
Dangers caused by electrical energy must be excluded.
All electrical work must be performed after the electrical supply has
been switched off and secured against unauthorized switching.
WARNING! Risk of scalding!
At high water temperatures and system pressure close isolat-
ing valves before and after the pump. First, allow pump to
cool down.
FAULTS
10.1 PUMP FAILS TO a) No current:
OPERATE
b) The thermistor tripping device has
tripped out, cutting off power:
10.2 PUMP RUNS BUT
a) Wrong direction of rotation:
DELIVERS TOO
b) Parts of the pump are obstructed by
LITTLE forei¬gn bodies:
c) Air in suction pipe:
d) Suction pipe too narrow:
e) The valve is not open far enough:
10.3 PUMP DELIVERS
a) Air in pump:
UNEVENLY
10.4 PUMP VIBRATES a) Foreign bodies in pump:
OR IS NOISY
b) Pump not properly attached to
ground:
c) Bearing damaged:
10.5 MOTOR OVE-
a) A phase is open-circuit:
RHEATS. ITS PRO-
b) Ambient temperature too high:
TECTION TRIPS
OUT
10.6 MECHANICAL a) Mechanical seal is damaged:
SEAL IS LEAKING

11. SPARE PARTS

All spare parts must be ordered through Salmson Customer Services.
In order to avoid any mistakes, please specify the name plate data
for orders.
CAUSES
a) Check the fuses, the wiring, and the connectors.
b) Eliminate any cause of overloading of the motor.
a) Check the direction of rotation of the motor and correct it if necessary.
b) Check and clean the pipe
c) Make the suction pipe airtight.
d) Install a larger suction pipe.
e) Open the valve properly.
a) Evacuate the air in the pump; check that the suction pipe is airtight. If
required, start the pump 20-30s – open the air bleed screw in order to
move air away – close the air bleed screw and repeat it several times
until no more air is going out of the pump.
a) Remove the foreign bodies.
b) Retighten the screws.
c) Call SALMSON Customer Service.
a) Check the fuses, the wiring, and the connectors.
b) Provide cooling.
a) Replace the mechanical seal
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REMEDIES