Espa ACUAPLUS, Instruction Manual

Page: 10 / 44

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6.2.
To raise or lower default pressure, the pump must be functioning and the RUN LED must be lit constantly. Change
the default pressure by pressing the (+) or (-) control button. Start-up pressure is adjusted 0.5 bar below default
pressure. (Fig. 11)
Comments:
Default pressure must be 0.5 bar above the highest outlet of the installation. Default pressure must be adjusted
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6.3.
If the electrical circuit detects lack of water, the pump will stop and the Alarm LED will blink. The circuit will make
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until manual reactivation.
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without success, the Alarm LED will remain lit without blinking.
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(Fig. 10)
Maintenance 7.
This equipment does not require maintenance. As a precaution, empty the lines and any water from inside the pump and
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If the pump is to remain idle a long time, disassemble the pump and store it in a dry, ventilated place.
WARNING: In the event of breakdown, both substituting electrical cable as well as handling the pump can be
performed only by an authorised technical service.
When the time comes to dispose of the pump, it does not contain any contaminating or toxic material. The main
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Possible problems, causes and solutions 8.
The pump does not start 1.
The pump does not stop 2.
The pump has no suction 3.
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The motor overheats 5.
The pump starts but stops in a short while (thermal protector)
The pump starts and stops constantly 7.
The pump stops automatically 8.
Problems Causes Solutions
Pump blocked Disassemble it and take it to an
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Total manometric height greater
than foreseen Check geometric height and load
losses
Incorrect voltage Make sure the mains frequency
and voltage correspond to what
is indicated on the characteristics
plate.
Drop in the well water level Make sure the suction remains
submerged
Instruction Manual