Aquasub engineering AQUA GROUP AQUATEX AVI-3 Manual de instrucciones - Página 12
Navegue en línea o descargue pdf Manual de instrucciones para Bomba de agua Aquasub engineering AQUA GROUP AQUATEX AVI-3. Aquasub engineering AQUA GROUP AQUATEX AVI-3 15 páginas.
Imprimir páginaFault
a. Pump is not primed with liquid.
b. The pump, suction or discharge pipes are
blocked by solids in the liquid being pumped.
c. The foot or check valve is blocked or has
Pump runs but no
failed.
water delivered.
d. The suction pipe leaks.
e. The air is in the suction pipe or pump.
f. Motor operating in wrong direction (three-
phase motor).
a. The pump draws in air or the inlet
pressure is too low.
The pump capacity
is not constant.
b. The pump or the suction side of the piping
system partly blocked by foreign bodies.
The system's general
Short circuit.
protection cuts in
The pump rotates
a. The foot or the check valve has failed.
in the wrong
direction when
b. Leakage in the suction pipe.
switched off.
a. Leakage in the foot valve, check valve or
The frequency of
system.
Pump start-up is
b. Ruptured membrane or no air pre-charge
too high.
in surge tank.
a. Cavitation
b. Make sure that pump and motor shafts
are properly aligned.
Vibration and noise
c. Worn motor bearings.
d. Operation with frequency converter.
e. Check vibration and noise damping
devices
Conduct trial operation after maintenance or inspection.
Dispose replaced components with appropriate care, to save
environment.
For unsolvable troubles in the pump, contact the dealer where this
pump was purchased or the "AQUASUB ENGINEERING's" sales
office in your area for specialized service.
Do not try to solve unspecified troubles of pump, as it may lead to
severe damage to the pump or personal injuries.
TROUBLE SHOOTING
Probable cause
Possible Solution
Fill the pump with the liquid to be pumped.
Clean the pump, suction or discharge pipe.
Replace the foot or check valve.
Repair or replace the suction pipe.
Remove trapped air from system.
Change the direction of rotation of the
motor by reversing motor connections.
Improve the suction conditions.
Clean the pump or suction pipe.
Check electrical system.
Check and replace check valve or foot
valve.
Repair or replace the suction pipe.
Repair or replace the components.
See relevant instructions in surge tank's
manual.
Reduce the required flow or improve the
operating conditions of the pump (suction
conditions, head, flow resistance, liquid
temperature, viscosity,...etc.).
Adjust the pump and/or motor shafts.
Replace the bearings or the motor.
Consult a qualified engineer form the
supplier of the frequency converter.
Replace vibration & noise dampers, if worn.