ENGLISH
72
GB
4.1 - Description of blockages
4.1 - Description of blockages
4.1.1 -
4.1.1 - “BL” Anti Dry-Run (Protection against dry running)
“BL” Anti Dry-Run (Protection against dry running)
In the case of lack of water the pump is stopped automatically after the
In the case of lack of water the pump is stopped automatically after the
time TB. This is indicated by the red “Alarm” led and by the letters “BL” on
time TB. This is indicated by the red “Alarm” led and by the letters “BL” on
the display.
the display.
After having restored the correct flow of water you can try to leave the
After having restored the correct flow of water you can try to leave the
protective block manually by pressing the “+” and “-“ keys simultaneously
protective block manually by pressing the “+” and “-“ keys simultaneously
and then releasing them.
and then releasing them.
If the alarm status remains, or if the user does not intervene by restoring
If the alarm status remains, or if the user does not intervene by restoring
the flow of water and resetting the pump, the automatic restart will try to
the flow of water and resetting the pump, the automatic restart will try to
restart the pump.
restart the pump.
If the parameter SP is not correctly set, the protection against
If the parameter SP is not correctly set, the protection against
water lack may not work correctly.
water lack may not work correctly.
4.1.2 - Anti-Cycling (Protection against continuous cycles without
4.1.2 - Anti-Cycling (Protection against continuous cycles without
utility request)
utility request)
If there are leaks in the delivery section of the plant, the system starts and
If there are leaks in the delivery section of the plant, the system starts and
stops cyclically even if no water is intentionally being drawn: even just a
stops cyclically even if no water is intentionally being drawn: even just a
slight leak (a few ml) can cause a fall in pressure which in turn starts the
slight leak (a few ml) can cause a fall in pressure which in turn starts the
electropump.
electropump.
The electronic control of the system is able to detect the presence of the
The electronic control of the system is able to detect the presence of the
leak, based on its recurrence.
leak, based on its recurrence.
The Anti-Cycling function can be excluded or activated in Basic or Smart
The Anti-Cycling function can be excluded or activated in Basic or Smart
mode (par 7.6.12).
mode (par 7.6.12).
In Basic mode, once the condition of recurrence is detected the pump
In Basic mode, once the condition of recurrence is detected the pump
stops and remains waiting to be manually reset. This condition is commu
-
stops and remains waiting to be manually reset. This condition is commu
-
nicated to the user by the lighting of the red “Alarm” led and the appear
-
nicated to the user by the lighting of the red “Alarm” led and the appear
-
ance of the word “ANTICYCLING” on the display. After the leak has been
ance of the word “ANTICYCLING” on the display. After the leak has been
removed, you can manually force restart by simultaneously pressing and
removed, you can manually force restart by simultaneously pressing and
releasing the “+” and “-“ keys.
releasing the “+” and “-“ keys.
In Smart mode, once the leak condition is detected, the parameter RP is
In Smart mode, once the leak condition is detected, the parameter RP is
increased to decrease the number of starts over time.
increased to decrease the number of starts over time.
4.1.3 - Anti-Freeze (Protection against freezing of water in the sys
4.1.3 - Anti-Freeze (Protection against freezing of water in the sys
tem)
tem)
The change of state of water from liquid to solid involves an increase in
The change of state of water from liquid to solid involves an increase in
volume. It is therefore essential to ensure that the system does not remain
volume. It is therefore essential to ensure that the system does not remain
full of water with temperatures close to freezing point, to avoid breakages
full of water with temperatures close to freezing point, to avoid breakages
of the system. This is the reason why it is recommended to empty any
of the system. This is the reason why it is recommended to empty any
electropump that is going to remain unused during the winter. However,
electropump that is going to remain unused during the winter. However,
this system has a protection that prevents ice formation inside by activat
-
this system has a protection that prevents ice formation inside by activat
-
ing the electropump when the temperature falls to values close to freezing
ing the electropump when the temperature falls to values close to freezing
point. In this way the water inside is heated and freezing prevented.
point. In this way the water inside is heated and freezing prevented.
The Anti-Freeze protection works only if the system is regularly
The Anti-Freeze protection works only if the system is regularly
fed: with the plug disconnected or in the absence of current the
fed: with the plug disconnected or in the absence of current the
protection cannot work.
protection cannot work.
However, it is advised not to leave the system full during long peri
-
However, it is advised not to leave the system full during long peri
-
ods of inactivity: drain the system accurately through the drainage
ods of inactivity: drain the system accurately through the drainage
cap (Fig.1 Face E) and put it away in a sheltered place.
cap (Fig.1 Face E) and put it away in a sheltered place.
4.1.4 - “BP1” Blockage due to fault of the internal pressure sensor
4.1.4 - “BP1” Blockage due to fault of the internal pressure sensor
If the device detects a fault in the pressure sensor the pump remains
If the device detects a fault in the pressure sensor the pump remains
blocked and the error signal “BP1” is given. This status begins as soon as
blocked and the error signal “BP1” is given. This status begins as soon as
the problem is detected and ends automatically when correct conditions
the problem is detected and ends automatically when correct conditions
have been restored.
have been restored.
4.1.5 - “PB” Blockage due to supply voltage outside specifications
4.1.5 - “PB” Blockage due to supply voltage outside specifications
This occurs when the allowed line voltage at the supply terminal assumes
This occurs when the allowed line voltage at the supply terminal assumes
values outside the specifications. It is reset only automatically when the
values outside the specifications. It is reset only automatically when the
voltage at the terminal returns within the allowed values
voltage at the terminal returns within the allowed values..
4.1.6 - “SC” Blockage due to short circuit between the motor phases
4.1.6 - “SC” Blockage due to short circuit between the motor phases
The device is provided with protection against the direct short circuit which
The device is provided with protection against the direct short circuit which
may occur between the motor phases. When this blockage is indicated
may occur between the motor phases. When this blockage is indicated
you can attempt to restore operation by simultaneously holding down the +
you can attempt to restore operation by simultaneously holding down the +
and – keys, but this will not have any effect until 10 seconds have passed
and – keys, but this will not have any effect until 10 seconds have passed
since the moment the short circuit occurred.
since the moment the short circuit occurred.
Содержание e.sybox Series
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