Wilo MVI 15, Инструкция по установке и эксплуатации

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11. Spare parts
Spare parts may be ordered via the local Scot
Pump distributor.
To avoid any questions or wrong orders, all data
of the name plate should be mentioned when
ordering, including date codes.
CAUTION! Danger of material damage!
Pump performance can only be guaranteed when
original spare parts are used.
• Only use original spare parts.
Scot Pump 02/2022
Faults Possible causes Remedies
Pump runs but no water delivered. Pump is not primed with liquid. Fill the pump with the liquid to be
pumped.
The pump, suction or discharge pipes
are blocked by solids in the liquid being
pumped. Clean the pump, suction or discharge
pipe.
The foot or check valve is blocked or has
failed. Replace the foot or check valve.
The suction pipe leaks. Repair or replace the suction pipe.
The air is in the suction pipe or pump. Remove trapped air from system.
Motor operating in wrong direction
(three-phase motor). Change the direction of rotation of the
motor by reversing motor connections.
The frequency of pump start-up is too high. Leakage in the foot valve, check valve or
system.
Repair or replace the components.
Ruptured membrane or no air pre-charge
in surge tank. See relevant instructions in surge tank’s
manual.
Vibration and noise Cavitation Reduce the required flow or improve
the operating conditions of the
pump (suction conditions, head, flow
resistance, liquid temperature, viscosity,
etc.).
Worn motor bearings. Replace the bearings or the motor.
Operation with frequency converter. Consult a qualified engineer from the
supplier of the frequency converter.
Check vibration and noise damping
devices Replace vibration & noise dampers, if
worn.
12. Disposal
Information on the collection of used electrical
and electronic products.
Proper disposal and appropriate recycling of this
product prevents damage to the environment
and dangers to your personal health.
NOTICE: Disposal in domestic waste is forbidden!
To ensure proper handling, recycling and disposal
of the used products in question, please note the
following points:
• Only hand over these products at designated,
certified collecting points.
• Observe the locally applicable regulations!
Please consult your local municipality, the
nearest waste disposal site, or the dealer who
sold the product to you for information on proper
disposal.
Subject to technical alterations!