Gardena PTU 3600/4 Manuale dell'operatore - Pagina 5
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In order to avoid dry-running of the pump, take care that the end of the suction
hose is always submerged into the liquid.
v Before each operation, fill the pump to overflowing with approx. 2 to 3 l of the
liquid to be pumped!
Sand and other abrasive substances cause increased wear and reduce the
pump's output.
v Use a pump pre-filter for pumping sandy liquids.
Pumping dirty water, e.g. stones, pine needles etc., can cause damage to the
pump.
v Do not pump dirty water.
2. ASSEMBLY
DANGER! Risk of injury!
Injury when the product starts accidentally.
v Disconnect the product from the mains before you assemble
the product.
To set up the pump:
The site must be firm and solid in order to ensure safe and sturdy operat-
ing conditions for the pump.
v Position the pump at a safe distance (min. 2 m) from the water.
The pump must be installed in a location with low air humidity and suffi-
cient ventilation in the area of the ventilation slots. It must be at a distance
of at least 5 cm from the walls. Dirt (e. g. sand or soil) must not be sucked
in through the ventilation slots.
The plastic connection pieces on the intake and delivery sides may
only be tightened by hand.
Fixed installation of the pump [ Fig. A1 ]:
A mounting plate
(12)
e. g. wooden plate (not included) prevents the pres-
sure tank unit from slipping.
v The Pressure Tank Unit can be screwed with all 4 feet
surface
(12)
(We recommend the use of inbus screws).
Install the pressure tank unit so that there is room to place a suitably sized
drainage tray under the drain screw
drained.
If possible, install the pump higher than the surface of the water to be
pumped. If this is not possible, install a vacuum-resistant valve between
the pump and the suction hose.
For permanent indoor installations for domestic water supply, the Pressure
Tank Unit should not be connected to the domestic water pipework with
rigid pipes but with flexible tubing, to reduce noise and to avoid damage to
the pump caused by pressure blows.
If the system is being installed permanently, please fit suitable valves on
both the intake and delivery sides. This is important e. g. for maintenance
and cleaning work or if the system is being shut down.
To connect the hose to the suction side [ Fig. A2 ]:
Don't use any hose quick connection system fittings on the suction side!
v A vacuum-resistant suction hose must be used, e. g. GARDENA
Suction Unit, Art. 1411 or GARDENA Bore Hole Suction Hose
Art. 1729.
A suction hose with backflow preventor must be used so that
the suction hose does not drain automatically when the pump
is switched off.
We recommend to install an additional non-return valve,
e. g. GARDENA intermediate brass valve Art. 7231, between the
pump connection piece and the hose.
1. Screw the pump connection piece
(1)
side
.
2. Connect the vacuum-resistant suction hose
connection piece
(2)
of the pump.
3. For suction heights exceeding 4 m: Also fix the suction hose
(e. g. by fastening it to a wooden post).
This relieves the pump of the weight of the suction hose.
To connect the hose to the pressure side [ Fig. A3 ]:
The pump connection
(4)
is equipped with a 33.3 mm (G 1") internal
thread.
E. g. a GARDENA pump connection piece Art. 1745 is required for
the GARDENA Connection System (for Art. 9020 included in scope of
delivery).
Tip: If permanent pipes are installed, they must be laid at an
ascending angle in order to allow the water to flow back into the
pump on the pressure side.
(11)
onto a solid
(9)
to allow the unit or system to be
(2)
into the connector on the suction
(3)
airtight to the pump
(3)
Optimised use of the pump capacity is achieved by connecting
19 mm (3/4") hoses with e. g.
– GARDENA Pump Connection Set Art. 1752,
or by connecting 25 mm (1") hoses with
– GARDENA Quick Thread Coupling with male thread Art. 7115 /
Quick Coupling Hose Connector Art. 7103.
1. Only for Art. 9022: Use sealing tape
pump connection piece.
2. Screw the pump connection piece
(4)
side
(Only with Art. 9020 in the scope of delivery).
(5)
3. Connect the pressure hose
If more than one hose /accessory is connected simultaneously, we
recommend using the
– GARDENA 2- or 4-Channel Water Distributor Art. 8193 / 8194,
GARDENA Twin-Tap Connector Art. 940
which can be screwed directly onto the pump connection piece
3. OPERATION
DANGER! Risk of injury!
Injury when the product starts accidentally.
v Disconnect the product from the mains before you connect,
adjust or transport the product.
To pump water [ Fig. O1 / O2 ]:
CAUTION! Dry-Running of the pump!
v Fill the pump with water up to the overflow (approx. 2 to 5 l)
before each start-up.
1. Check the pressure in the storage tank (see 4. MAINTENANCE).
(6)
2. Unscrew the screw fitting
of the filler neck
3. Fill the pump via the filler neck
approx. 2 to 5 l of water.
(6)
4. Tighten the screw fitting
of the filler neck
(do not use pliers).
5. Open any shut-off valves in the delivery line (accessories,
water stop, etc.).
6. Drain remaining water in pressure hose
during the suction process.
7. Connect the pump to the mains.
8. Lift and hold the delivery hose
(8)
press the On / Off switch
and wait until the pump has primed.
v If the pump does not deliver water after approx. 5 minutes,
switch off the pump (press On / Off switch
(see 6. TROUBLESHOOTING).
Once the maximum pressure is reached the pump will switch off automati-
cally. When the pressure falls below the minimum value due to water being
drawn off, the pump will switch on again automatically.
The specified maximum self-priming suction height of 7 m is reached
only if the pump is filled via the filler neck
doing so and during the self-priming, the delivery hose
ficiently high to prevent any water escaping from the pump via the delivery
hose
(5)
.
Rust formation: The pump Art. 9022 has a cast iron housing. After con-
tact with water, rust will form (this does not damage the pump and is not
covered by the warranty). Therefore rusting water may initially escape after
switching on the pump.
4. MAINTENANCE
DANGER! Risk of injury!
Injury when the product starts accidentally.
v Disconnect the product from the mains before you maintain
the product.
To flush the pump:
After pumping chlorinated water, the pump must be flushed.
1. Pump lukewarm water (max. 35 °C), possibly adding a mild cleaning
agent (e. g. detergent) until the pumped water runs clear.
(P)
on the external thread of the
(2)
into the connector on the delivery
(2)
to the pump connection piece
(2)
(7)
by hand.
(7)
to overflowing with
(7)
by hand
(5)
so that air can escape
(5)
at least 1 m vertically above the pump,
(8)
)
(7)
up to the overflow and if, while
(5)
is held up suf-
.
.
5