Technical Characteristics - DAB e.sybox mini3 Bedienungs Und Wartungsanweisungen

GB
ENGLISH
The expansion vessel is preloaded with pressurised air through the valve
accessible from the special maintenance compartment (Fig.1, Face F).
The preload value with which the expansion vessel is supplied by the man-
ufacturer is in agreement with the parameters SP and RP set as default,
and anyway it satisfies the following equation:
Pair = SP – RP – 0.7 bar
So, by the manufacturer:
If different values are set for the parameters SP and/or RP, regulate the
valve of the expansion vessel releasing or letting in air until the above
equation is satisfied again (e.g.: SP=2.0bar; RP=0.3bar; release air from
the expansion vessel until a pressure of 1.0 bar is reached on the valve).
Failure to respect the above equation may lead to malfunctions
of the system or to premature breakage of the diaphragm inside
the expansion vessel.
Considering the expansion vessel capacity of only 1 litres, any
operation to check the air pressure must be performed by con-
necting the pressure gauge very rapidly: on small volumes the
loss of even a limited quantity of air can cause an appreciable
drop in pressure. The quality of the expansion vessel ensures
the maintenance of the set air pressure value, proceed to check
it only at calibration or if you are sure of a malfunction.
Any operation to check and/or reset the air pressure must be
performed with the delivery system not under pressure: discon-
nect the pump from the power supply and open the utility nearest
to the pump, keeping it open until it no longer gives any water.
The special structure of the expansion vessel ensures its quan-
tity and duration over time, especially of the diaphragm which
is typically the component subject to wear for items of this type.
However, in the case of breakage, the entire expansion vessel
must be replaced and exclusively by authorised personnel.
43
Where:
- Pair = air pressure value in bar
- SP = Set Point (par. 5.3.1) in bar
- RP = Reduction of pressure to restart
(par. 5.5.1) in bar
Pair = 3.0 – 0.3 – 0.7 = 2.0 bar

1.3 Technical characteristics

Parameter
Topic
Voltage*
Frequency
ELECTRIC
POWER SUPPLY
Maximum power
Leakage current to
earth
Overall dimensions
Empty weight
STRUCTURAL
CHARACTERISTICS (excluding packaging)
Protection class
Insulation class of the
motor
Maximum head
Maximum flow rate
HYDRAULIC
Priming
PERFORMANCE
Maximum working
pressure
Max liquid temper-
ature
WORKING
Max environment
CONDITIONS
temperature
Environment tempera-
ture of storage
³
e.sybox mini
1x220- 1x230 V 1x110-
240 V 127 V
50/60 Hz
850 W
<1 mA
445x262x242 mm without feet
support
14 kg / 30,8 lb
IP x4
F
55 m / 180 ft
80 l/min / 21 U.S. GPM
<5min at 8m / 26 ft
7.5 bar / 109 psi
40 °C / 104 °F
50 °C / 122 °F
-10÷60 °C / 14÷140 °F