ASPO 2 Automation controlling a housing estate pumping station with 2 230V pumps - 3 floats

Control of a housing estate pumping station EM4IS ASPO is much more demanding than for a home pumping station (despite their often comparable dimensions). Theoretically, the control of pump operation does not differ dramatically, but the responsibility of the system and the expectation of reliability increase much more. That's why in our control cabinets ASPO we apply pthree-level control:

1. Dry running - the lowest level indicating an insufficient level of liquid to cool the pump motors as well as the risk of air contamination.
2. Stop/Start - Levels of switching the pumps on and off (alternately one and the other), performed on one float due to the low retention in the tank. The amount of retention is regulated by the length of the working part of the float cable. 
3. Alarm - Level of alarm signaling about tank overflow and activation of the second pump. Additionally, in the event of a failure of the Stop/Start float, the pumps will operate in emergency mode between Dry Run and Alarm.
   

In manual mode, it is possible to pump the liquid to the Dry Running level, while the pumps are turned on only using the Start buttons on the operator panel.

The alarm works regardless of the Auto - Manual mode.

There is a "0" position between the Auto and Manual modes, which disables all control and notification functions. This does not mean cutting off the power supply, that is what the Main Switch is for!

Wardrobe equipment:

• Flame-retardant polyester housing with cable glands
• Cover with operator panel
• Main switch
• Residual current circuit breaker
• Adjustable motor switch for each pump
• Control modes: Auto - 0 - Manual
• Alternate operation of two pumps, in the event of failure of one, the other one completely takes over its operation
• After 20 minutes of continuous operation, the pumps are changed to the next one
• Operating time counter for each pump (LCP)
  
• Service socket 230 V (GN230)
• Signaling the level change with indicator lights on the panel
• Four control levels: Dry Running - Stop - Start - Alarm
• Three control floats: Dry Running - Stop/Start - Alarm
• Optical-acoustic signaling beacon
• Key lock
• Waterproof and dustproof housing, resistant to weather conditions
• Plinth to choose from the list:
  • version without plinth,
  • with embedded plinth
  • or with a pedestal for mounting on the tank plate.
    

• Optional: GSM monitoring - alarm messages in the form of SMS
  • P1 pump failure
  • P2 pump failure
  • Alert level
  • No power

The ASPO control cabinet does not include floats, which can be purchased separately. Recommended set of level signals ZSP-3.

If you have not found the right automatic control, please contact us and we will try to offer you the right solution.

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