DAB E.sybox Instruction For Installation And Maintenance

ENGLISH
GB
73
The differential switch protecting the system must be correctly
sized and must be of the “Class A” type. The automatic
differential switch must be marked with the following two
symbols:
The thermal magnetic circuit breaker must be correctly sized
(see Electrical Characteristics)
&RQ¿JXUDWLRQRIWKH,QWHJUDWHG,QYHUWHU
7KHV\VWHPLVFRQ¿JXUHGE\WKHPDQXIDFWXUHUWRVDWLVI\WKHPDMRULW\RI
installation cases, that is:
 operation at constant pressure;
 Set-Point (desired value of constant pressure): SP = 3.0 bar
 Reduction of pressure to restart: RP = 0.3 bar
 Anti-cycling function: Disabled
However, all these parameters and many others can be set by the user.
There are many other operating modes and accessory functions. Thanks
WRWKHGLIIHUHQWSRVVLEOHVHWWLQJVDQGWKHDYDLODELOLW\RIFRQ¿JXUDEOHLQSXW
and output channels, it is possible to adapt the inverter operation to the
requirements of various systems. See par. 5-6-7
)RUWKHGH¿QLWLRQRIWKHSDUDPHWHUV63DQG53WKHSUHVVXUHDW
which the system starts has the value:
Pstart = SP – RP For example: 3.0 – 0.3 = 2.7 bar
LQWKHGHIDXOWFRQ¿JXUDWLRQ
The system does not work if the utility is at a height higher than the
equivalent in metres of water column of the Pstart (consider 1 bar = 10 m
ZDWHUFROXPQIRUWKHGHIDXOWFRQ¿JXUDWLRQLIWKHXWLOLW\LVDWDKHLJKWRIDW
least 27m the system does not start.
3.3 - Priming
The priming of a pump is the phase during which the machine attempts to
¿OOWKHERG\DQGWKHVXFWLRQSLSHZLWKZDWHU,IWKHRSHUDWLRQLVVXFFHVVIXO
the machine can work regularly.
2QFHWKHSXPSKDVEHHQ¿OOHGSDUDQGWKHGHYLFHKDV
EHHQFRQ¿JXUHGSDULWLVSRVVLEOHWRFRQQHFWWKHHOHFWULFSRZHU
supply after having opened at least one utility on delivery.
The system starts and checks the presence of water in delivery for the
¿UVWVHFRQGV
,IDÀRZRIZDWHULVGHWHFWHGLQGHOLYHU\WKHSXPSLVSULPHGDQGVWDUWV
its regular work. This is the typical case of installation below head (par.
2.1.2, 2.2.3). The utility opened in delivery from which the pumped water
is coming out can be closed.
,IDUHJXODUÀRZLQGHOLYHU\LVQRWGHWHFWHGDIWHUVHFRQGVWKHV\VWHP
DVNVIRUFRQ¿UPDWLRQWRHQWHUWKHSULPLQJSURFHGXUHW\SLFDOFDVHRI
installation above head par. 2.1.2, 2.2.3). Or:
When “+” is pressed the pump enters the priming procedure: it starts
working for a maximum time of 5 minutes during which the safety block
for dry operation is not tripped. The priming time depends on various
SDUDPHWHUVWKHPRVWLQÀXHQWLDORIZKLFKDUHWKHGHSWKRIWKHZDWHUOHYHO
from which it is drawing, the diameter of the suction pipe, the water-
tightness of the suction pipe. On condition that a suction pipe is used that
is no smaller than 1” and that it is well sealed (with no holes or joins from
which it can take in air), the product has been studied to manage to prime
in water conditions up to 8m in depth in a time of less than 5 minutes. As
VRRQDVWKHSURGXFWGHWHFWVDUHJXODUÀRZLQGHOLYHU\LWOHDYHVWKHSULP-
ing procedure and starts its regular work. The utility opened in delivery
from which the pumped water is coming out can be closed. If after 5 min-

DAB E.sybox Specifications

General

Brand	DAB
Model	E.sybox
Category	Water Pump
Language	English