DAB e.sybox Series, Руководство пользователя

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ENGLISH
62
GB
Inside the technical compartment you can access (see Fig.3): Inside the technical compartment you can access (see Fig.3):
1. Valve of the expansion vessel; 1. Valve of the expansion vessel;
2. Technical data plate; 2. Technical data plate;
3. Rapid Guide; 3. Rapid Guide;
4. Motor shaft; 4. Motor shaft;
5. Accessory tool; 5. Accessory tool;
6. Filling cap (only for vertical 6. Filling cap (only for vertical
configuration) configuration)
Face B: Face B:
a removable screw cap gives access to the non return valve (see a removable screw cap gives access to the non return valve (see
par. 10.3). Remove it only in the case of maintenance by skilled personnel. par. 10.3). Remove it only in the case of maintenance by skilled personnel.
Face C: Face C:
the 4 brass threads form the seat for the 4 support feet in the case the 4 brass threads form the seat for the 4 support feet in the case
of vertical installation. The two 1” screw caps can be removed to make the of vertical installation. The two 1” screw caps can be removed to make the
connections towards the system, depending on the installation configura
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connections towards the system, depending on the installation configura
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tion you want to adopt. If applicable, connect to the connection marked tion you want to adopt. If applicable, connect to the connection marked
“IN” the system from which you want to draw water (well, cistern,…) and “IN” the system from which you want to draw water (well, cistern,…) and
connect the delivery system to the connection marked “OUT”. There is connect the delivery system to the connection marked “OUT”. There is
also a ventilation grid. also a ventilation grid.
Face D: Face D:
removing the 1” cap allows access to a second delivery connec
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removing the 1” cap allows access to a second delivery connec
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tion which can be used at the same time or alternatively to the one marked tion which can be used at the same time or alternatively to the one marked
”OUT” of face C. The power supply cable is for connection to the power ”OUT” of face C. The power supply cable is for connection to the power
mains. mains.
Face E: Face E:
the 4 brass threads form the seat for the 4 support feet in the case the 4 brass threads form the seat for the 4 support feet in the case
of horizontal installation. The 1” cap has the main function of emptying the of horizontal installation. The 1” cap has the main function of emptying the
system. There are also 2 ventilation grids. system. There are also 2 ventilation grids.
Face F: Face F:
as indicated by the label to be removed, the 1” cap has a dual as indicated by the label to be removed, the 1” cap has a dual
function: in the case of horizontal installation, the outlet that is closed by function: in the case of horizontal installation, the outlet that is closed by
the cap acts as the system’s loading door (see below “loading operations”, the cap acts as the system’s loading door (see below “loading operations”,
par. 2.2.3); in the case of vertical installation, the same outlet can act as par. 2.2.3); in the case of vertical installation, the same outlet can act as
the input hydraulic connection (exactly like the one marked “IN” on face C the input hydraulic connection (exactly like the one marked “IN” on face C
and as an alternative to it). The user interface panel is composed of a dis
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and as an alternative to it). The user interface panel is composed of a dis
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play and a keyboard and its function is to set the system, query its status play and a keyboard and its function is to set the system, query its status
and communicate any alarms. and communicate any alarms.
Figure 3
The system can be installed in 2 different configurations: horizontal (Fig.4) The system can be installed in 2 different configurations: horizontal (Fig.4)
or vertical (Fig.5) or vertical (Fig.5)..
1.1 1.1 Description of the Integrated Inverter Description of the Integrated Inverter
The electronic control integrated in the system is of the type with inverter The electronic control integrated in the system is of the type with inverter
and it makes use of flow, pressure and temperature sensors, also integrat
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and it makes use of flow, pressure and temperature sensors, also integrat
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ed in the system. ed in the system.
By means of these sensors the system switches on and off automatically
By means of these sensors the system switches on and off automatically
according to the utility’s needs and it is able to detect conditions of mal
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according to the utility’s needs and it is able to detect conditions of mal
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function, to prevent and indicate them. function, to prevent and indicate them.
The Inverter control ensures different functions, the most important of
The Inverter control ensures different functions, the most important of
which, for pumping systems, are the maintaining of a constant pressure which, for pumping systems, are the maintaining of a constant pressure
value in delivery and energy saving. value in delivery and energy saving.
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The inverter is able to keep the pressure of a hydraulic circuit con
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The inverter is able to keep the pressure of a hydraulic circuit con
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stant by varying the rotation speed of the electropump. In oper
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stant by varying the rotation speed of the electropump. In oper
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ation without an inverter the electropump is unable to modulate ation without an inverter the electropump is unable to modulate
and, when there is an increase of the request for flow, the pressure and, when there is an increase of the request for flow, the pressure
necessarily decreases, or vice versa; this means the pressures necessarily decreases, or vice versa; this means the pressures
are too high at low flow rates or too low when there is an increased are too high at low flow rates or too low when there is an increased
request for flow. request for flow.
• •
By varying the rotation speed according to the instantaneous re
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By varying the rotation speed according to the instantaneous re
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quest of the utility, the inverter limits the power supplied to the quest of the utility, the inverter limits the power supplied to the
electropump to the minimum necessary to ensure that the request electropump to the minimum necessary to ensure that the request
is satisfied. Instead, operation without an inverter contemplates is satisfied. Instead, operation without an inverter contemplates
Figure 4
Figure 5