ENGLISH
64
GB
The special structure of the expansion vessel ensures its quan
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The special structure of the expansion vessel ensures its quan
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tity and duration over time, especially of the diaphragm which
tity and duration over time, especially of the diaphragm which
is typically the component subject to wear for items of this type.
is typically the component subject to wear for items of this type.
However, in the case of breakage, the entire expansion vessel
However, in the case of breakage, the entire expansion vessel
must be replaced and exclusively by authorised personnel.
must be replaced and exclusively by authorised personnel.
1.3 Integrated electropump
1.3 Integrated electropump
The system has a built-in centrifugal electropump of the multi-impeller type
The system has a built-in centrifugal electropump of the multi-impeller type
driven by a water-cooled three-phase electric motor. Cooling of the motor
driven by a water-cooled three-phase electric motor. Cooling of the motor
with water rather than air ensures less noise in the system and the possi
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with water rather than air ensures less noise in the system and the possi
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bility of locating it even in recesses without ventilation.
bility of locating it even in recesses without ventilation.
The diagram in Fig. 6 shows the curves of the hydraulic performance for
The diagram in Fig. 6 shows the curves of the hydraulic performance for
e.sybox. By automatically modulating the rotation speed of the electro
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e.sybox. By automatically modulating the rotation speed of the electro
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pump, the inverter allows it to shift its work point according to necessities
pump, the inverter allows it to shift its work point according to necessities
to any part of the area subtended by its curve, to keep the set pressure
to any part of the area subtended by its curve, to keep the set pressure
valve constant (SP). The red curve shows the behaviour of the e.sybox
valve constant (SP). The red curve shows the behaviour of the e.sybox
with set point at 3.0 bar.
with set point at 3.0 bar.
Figure 6
0
10
20
30
40
50
60
70
0
20
40
60
80
100
120
140
H [
m]
Q [l/min]
It results that, with SP = 3.0 bar, the system is able to ensure a constant
It results that, with SP = 3.0 bar, the system is able to ensure a constant
pressure at the users that require flow rates respectively between 0 and
pressure at the users that require flow rates respectively between 0 and
85 litres/minute. For higher flow rates the system works according to the
85 litres/minute. For higher flow rates the system works according to the
characteristic curve of the electropump at maximum rotation speed. For flow
characteristic curve of the electropump at maximum rotation speed. For flow
rates lower than the limits described above, as well as ensuring constant
rates lower than the limits described above, as well as ensuring constant
pressure, the system reduces the absorbed power and therefore the energy
pressure, the system reduces the absorbed power and therefore the energy
consumption.
consumption.
T
T
he above performances are to be considered measured at am
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he above performances are to be considered measured at am
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bient temperature and water at about 20°C, during the first 10
bient temperature and water at about 20°C, during the first 10
minutes of motor operation, with water level at suction at a depth
minutes of motor operation, with water level at suction at a depth
of no more than 1 metre
of no more than 1 metre
As the suction depth increases, the performance of the electro
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As the suction depth increases, the performance of the electro
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pump decreases.
pump decreases.
1.4 Technical characteristics
1.4 Technical characteristics
Text
Parameter
e.sybox
ELECTRIC POWER
SUPPLY
Voltage
1 x 220/240 ~ VAC
Frequency
50/60 Hz
Maximum current
10 A
Maximum power
1550 W
Leakage current to earth
<2,5 [ma]
CONSTRUCTION
CHARACTERISTICS
Overall dimensions
565x265x352 mm without
feet
Empty weight (excluding
packaging)
24,8 kg
Protection class
IP x4
Motor insulation class
F
Summary of Contents for e.sybox Series
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