Application Limits; Starting And Stopping; Starting Frequency; Operations Required For Commissioning - SFA SANIPUMP macerator Manual De Servicio

• The operating characteristics have been checked.
• The regulations in force at the place of installation are complied with.
• The operating instructions for the submersible pump are complied with.
4.2 Application limit
• Observe the operating specifications in the documentation.
• Avoid running the pump with the valve closed.
• Dry running, without pumped fluid, must be avoided.
When in use, observe the following parameters and values:
Parameter
Max. authorised temperature of the fluid
Operating mode

4.3 Starting and stopping

The automatic control starts and stops the pump when a defined level is reached.
The length of the float is set at the factory.
Never change this setting.
When changing the float, please observe this setting.

4.4 Starting frequency

To prevent engine overheating and excessive stress on the engine, seals and bearings, limit the
number of starts to 10 per hour.

4.5 Operations required for commissioning

Check the various points on the check-list (described in paragraph 3.6).
• Check the sump for cleanliness (no debris and foreign matter).
• Check that the discharge diameter is appropriate for the installation.
• Check that the power supply circuit is earthed and protected by a 30 mA differential circuit
breaker.
• Check that the power cable is not cut or damaged.
• Check that the connection is only used to supply the pump.
• Carry out a functional test (switching on/off).
• Check the freedom of movement of the float.
• Check the correct functioning of the non-return valve.
• Check that the gravity flow of wastewater into the sump is correct.
• Check the correct functioning and ease of operation of the shut-off valves.
• Check the flow at the discharge outlet.
• If the sump is sealed, ventilation must be installed so that it is always at atmospheric pressure.
Air must flow in both directions.

4.6 Decommissioning

1. Close the valves on the supply pipes.
2. Drain the tank.
3. Close the discharge valve.
Value
40°C up to 70°C
for 5 minutes max.
Max. room temperature. 50°C
S3 30%
25