Gardena Comfort 4000/5E Manuale di istruzioni per l'uso - Pagina 5
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1
Connections:
Suction inlet:
Art. 1723 /
Art. 1724
4
3
2
18
Set up the Electronic Pressure Pump so that it is prevented from
slipping and that an appropriately large collecting vessel for
draining the pump or the system can be placed under the drain
1
screw
.
If possible, install the Electronic Pressure Pump higher than the
surface of the water to be pumped. If this is not possible, install
a vacuum-resistant shut-off device between the Electronic Pres-
sure Pump and the suction hose, for example for cleaning the
integrated filter.
If the system is being installed permanently, please fit suitable
shut-off devices on both the intake and delivery sides. Important
for maintenance and cleaning work on the Electronic Pressure
Pump or for shutdown, for example.
The GARDENA connection pieces on the intake and delivery
sides may only be tightened by hand. Check whether the seal
ring is present and undamaged before screwing the suction
hose onto the suction inlet. When using metal connections,
damage could occur on the connection thread due to inap-
propriate assembly. Therefore, screw on the connection fit-
tings with the upmost care. Use sealing tape only for sealing
metallic connection fittings.
Do not use any water hose snap connection system components
on the intake side! A vacuum-tight suction hose must be used
e. g.:
• GARDENA Suction Hose Art. no. 1411 / 1418
• GARDENA Bore Hole Suction Hose Art. no. 1729
• GARDENA Suction Hose sold by the metre and
Art. no. 1723 / 1724.
If very fine dirt is present, we recommend the use of
a GARDENA pump preliminary filter Art. no. 1730 / 1731
in addition to the integrated filter.
To reduce the pump repriming time, we recommend:
• Using a suction hose with backflow preventer, which prevents
the suction hose emptying automatically when the Electronic
Pressure Pump is switched off.
Particularly important for fixed installation:
• with larger suction heads, use a suction hose with a smaller
diameter (3/4").
1. Connect the vacuum resistant suction hose, sold by the metre
using the suction hose fitting
connector on the suction side
2. For suction heights exceeding 4 m also secure the suction hose
(e. g. by fastening it to a wooden post).
The pump and the suction hose are relieved from the weight
of the water.
3
(e. g. Art. no. 1723/1724) with the
4
and screw on airtight.
2
,