Disposal - Grundfos TP Serie Instrucciones De Instalación Y Funcionamiento

Fault
9. Noise.
10. Pump runs constantly
(applies only to pumps with
automatic start/stop).
11. Period of operation is too
long (applies only to pumps
with automatic start/stop).
* In twin-head pump installations, the standby pump will often rotate slowly.

11. Disposal

This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
18
Cause
a) Pump is cavitating.
b) Pump does not rotate freely (frictional resistance) because of
incorrect pump shaft position.
c) Frequency converter operation: See section
converter operation.
d) Resonance in the installation.
e) Foreign bodies in the pump.
a) Stop pressure is too high in relation to the required quantity of water.
b) The water consumption is larger than anticipated.
c) Leakage in the outlet pipe.
d) The direction of rotation of the pump is incorrect.
e) Pipes, valves or strainer blocked by impurities.
f) Pump controller, if used, is defective.
a) Stop pressure is too high in relation to the required quantity of water.
b) Pipes, valves or strainer blocked by impurities.
c) Pump partly blocked or seized up.
d) The water consumption is larger than anticipated.
e) Leakage in the outlet pipe.
Subject to alterations.
6.1 Frequency