salmson MULTI-VE Instalación E Instrucciones De Puesta En Marcha página 19

ENGLISH
OTHER DEFECTS, NOT DETECTED BY THE SPEED V RI TOR, DUE TO
THE PUMP .
Before any operation, SWITCH OFF the
C UTION !
pump(s).
If the liquid is toxic, corrosive or dangerous for human
being, S LMSON or the qualified person in charge of
the repairing must be informed. In this case, clean the
pump to ensure a complete safety to the repairing
man.
DEF ULTS
8.4 THE PUMP TURNS a)The pump does not run quickly
BUT NO DELIVERY
b)The internal parts are obstructed
c)Suction pipe are obstructed :
d) ir in suction piping :
e)Suction pressure is too low,
8.5 THE PUMP IS a)Loose on its foundation :
VIBR TING b)Particles obstrucing the
c)Difficult rotation of the pump :
8.6 NO SUFFICIENT a) The motor speed is not high
PRESSURE FOR THE
PUMP b)The motor is defective :
c)Bad filling of the pump :
d)The drain-priming plug is not
8.7 THE FLOW IS a)The suction head (H ) is not
IRREGUL R
b)The suction pipe has a lower
c)The strainer and the suction
C USES
enough :
by particles :
it causes generally
cavitation noise :
pump :
enough :
fully tightened :
respected :
diameter than the one of the
pump :
pipe are partially
obstructed :
a) Check the adequate adjustment of the potentiometer (conformity to the
required points).
b) Let dismantle the pump and clean it.
c) Clean all the pipes.
d) Check tightness of the whole pipe up to be pump an make
it tight.
e) Too high losses of load on suction or suction head is too high
(Check the NPSH of the pump installed and of the installation).
a) Check and tighten completely the nuts of the stud bolts.
b) Have the pump dismantled and clean it.
c) Check the pump turns freely without abnormal sticking.
a) Check the reference is correctly adjusted (conformity of the
reference points).
b) Replace.
Motor-converter.
c) Open the venting device and venty until there are no more air
bubbles.
d) Check it and screw it again.
a) Study again the installation conditions and the recommendations
described in this manual.
b) The suction pipe must have the same diameter as the suction pump
port.
c) Remove and clean.
19
REMÈDES