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ENGLISH
GB
105
Use of end “E”:
Use of end “E”:
this is practically a straight tip screwdriver
this is practically a straight tip screwdriver
of the correct size for manoeuvring the mo
-
of the correct size for manoeuvring the mo
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tor shaft access cap and, if the interface for
tor shaft access cap and, if the interface for
quick connection of the system has been
quick connection of the system has been
installed (par. 15.3), for access to the key
installed (par. 15.3), for access to the key
for disengaging the connection. If the key
for disengaging the connection. If the key
is lost or damaged, the same operations
is lost or damaged, the same operations
can be performed using a straight tip
can be performed using a straight tip
screwdriver of a suitable size
screwdriver of a suitable size
..
Use of end “F”:
Use of end “F”:
the function of this tool is dedicated to
the function of this tool is dedicated to
maintenance of the non-return valve and it
maintenance of the non-return valve and it
is better described in the respective paragraph 10.3.
is better described in the respective paragraph 10.3.
10.2 - Emptying the system
10.2 - Emptying the system
If you want to drain the water out of the system, proceed as follows:
If you want to drain the water out of the system, proceed as follows:
1.
1. disconnect the power supply;
disconnect the power supply;
2.
2. turn on the delivery tap closes to the system so as to remove
turn on the delivery tap closes to the system so as to remove
pressure from the system and empty it as much as possible;
pressure from the system and empty it as much as possible;
3.
3. if there is a check valve immediately downstream from the sys
-
if there is a check valve immediately downstream from the sys
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tem (always recommended), close it so as not to let out the water
tem (always recommended), close it so as not to let out the water
that is in the plant between the system and the first turned on tap;
that is in the plant between the system and the first turned on tap;
4.
4. interrupt the suction pipe in the point closest to the system (it is
interrupt the suction pipe in the point closest to the system (it is
always recommended to have a check valve immediately up
-
always recommended to have a check valve immediately up
-
stream from the system) so as not to drain the whole suction
stream from the system) so as not to drain the whole suction
system;
system;
5.
5. remove the drainage cap (fig.1 face E) and let out the water
remove the drainage cap (fig.1 face E) and let out the water
inside (about 2.5 litres);
inside (about 2.5 litres);
6.
6. the water that is trapped in the delivery system downstream
the water that is trapped in the delivery system downstream
from the non-return valve integrated in the system can flow out
from the non-return valve integrated in the system can flow out
at the time of disconnecting the system, or on removing the cap
at the time of disconnecting the system, or on removing the cap
of the second delivery (if not used).
of the second delivery (if not used).
Figura 26
Though essentially drained, the system is unable to expel all the
Though essentially drained, the system is unable to expel all the
water that it contains.
water that it contains.
During handling of the system after emptying it, some small
During handling of the system after emptying it, some small
amounts of water may probably leak out from the system.
amounts of water may probably leak out from the system.
10.3 - Non-return valve
10.3 - Non-return valve
The system has an integrated non-return valve which is necessary for cor
-
The system has an integrated non-return valve which is necessary for cor
-
rect operation. The presence of solid bodies or sand in the water could
rect operation. The presence of solid bodies or sand in the water could
cause malfunctioning of the valve and therefore of the system. Although it
cause malfunctioning of the valve and therefore of the system. Although it
is recommended to use fresh water and eventually fit filters on input, if you
is recommended to use fresh water and eventually fit filters on input, if you
notice abnormal operation of the non-return valve it can be extracted from
notice abnormal operation of the non-return valve it can be extracted from
the system and cleaned and/or replaced by proceeding as follows:
the system and cleaned and/or replaced by proceeding as follows:
1.
1. remove the valve access cap (Fig.27);
remove the valve access cap (Fig.27);
2.
2. insert the accessory cross key in end “F” (par. 10.1) so as to
insert the accessory cross key in end “F” (par. 10.1) so as to
catch the perforated tab with the hooks (Fig.27);
catch the perforated tab with the hooks (Fig.27);
3.
3. extract without rotating: the operation may require a certain ef
-
extract without rotating: the operation may require a certain ef
-
fort. A cartridge is extracted which also holds the valve to be
fort. A cartridge is extracted which also holds the valve to be
serviced. The cartridge remains on the key (Fig.27);
serviced. The cartridge remains on the key (Fig.27);
4.
4. disengage the cartridge from the key: the hooks are released
disengage the cartridge from the key: the hooks are released
by pushing the cartridge and the key against each other, at this
by pushing the cartridge and the key against each other, at this
point slip the cartridge off the side (Fig.27);
point slip the cartridge off the side (Fig.27);
5.
5. clean the valve under running water, ensure that it is not dam
-
clean the valve under running water, ensure that it is not dam
-
aged and replace it if necessary;
aged and replace it if necessary;
6.
6. put the complete cartridge back in its seat: the operation re
-
put the complete cartridge back in its seat: the operation re
-
quires the force necessary to compress the 2 O-rings. If neces
-
quires the force necessary to compress the 2 O-rings. If neces
-
sary, use end “D” of the cross key to help you push. Do not use
sary, use end “D” of the cross key to help you push. Do not use
end “F” or the hooks will again engage the tab of the cartridge
end “F” or the hooks will again engage the tab of the cartridge
and it will be impossible to release them (Fig.27);
and it will be impossible to release them (Fig.27);
7.
7. Screw on the cap till snug: if the cartridge has not been pushed
Screw on the cap till snug: if the cartridge has not been pushed
correctly in place, screwing on the cap will complete its position
-
correctly in place, screwing on the cap will complete its position
-
ing (Fig.27).
ing (Fig.27).
Summary of Contents for e.sybox Series
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