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Metabo HWW 5500-20 M Manual

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11
ENGLISH
Suitable installation materials:
− pressure-resistant (min. 10 bar)
− heat-resistant (min. 100°C).
The equipment is easily assembled and
connected.
If in doubt, contact your specialist sup-
plier or qualified electrician.
5.1 Installation
• The equipment must be placed on a
plane and level surface, suitable of
bearing the weight of the equipment
fully filled with water.
• To prevent vibrations, the equip-
ment should not be fastened with
screws but placed onto an elastic
base.
• The installation location should be
well vented and protected from
atmospheric exposure.
• When operated at garden ponds
and pools the equipment must be
set up safe against flooding and pro-
tected from falling into the water.
Any additional legal requirements
are to be observed.
5.2 Suction line connection
3
Note:
Possibly further accessories may
be required for connection (see "Availa-
ble Accessories").
A
Caution!
The suction line needs to be
installed in such manner that it does
not exert mechanical force or distor-
tion to the pump.
A
Caution!
When pumping contaminated
fluids install a suction strainer to pro-
tect the pump from sand and dirt.
A
Caution!
A check valve is required to
prevent water backflow when the
pump is switched off.
• All screw fittings need to be sealed
with thread sealing tape; leakage
places cause the priming of air and
reduce or prevent the priming of
water.
• The suction line should have at least
1" (25 mm) inner diameter; it must
be non-buckling and vacuum-proof.
• Keep suction line as short as practi-
cal, since with increasing length the
pump capacity is reduced.
• The suction line should raise
towards the pump to prevent air
locks.
• A sufficient water supply must be
ensured, the foot valve at the end of
the suction line must be submerged
in water at all times.
5.3 Discharge hose connec-
tion
3
Note:
Possibly further accessories may
be required for connection (see "Availa-
ble Accessories").
A
Caution!
The discharge (or pressure)
line needs to be installed in such
manner that it does not exert mechan-
ical force or distortion to the pump.
• All screw fittings should be sealed
with thread sealing tape to prevent
leakage.
• All parts of the pressure line must be
resistant to internal pressure.
• All parts of the pressure line must be
installed in a workmanlike manner.
A
Danger!
Improper installation and use
of parts not resistant to internal pres-
sure can cause the pressure line to
break during operation. Risk of per-
sonal injury by liquid spurting from
the line under high pressure!
5.4 Connection to a pipe sys-
tem
A permanent installation (e.g. for indoor
domestic water supply) is also possible.
• To reduce vibrations and noise, the
equipment should be connected to
the piping with elastic hose pipes.
5.5 Mains connection
B
Danger! Risk of electric shock!
Do not operate the equipment
in wet environment and only under
the following conditions:
• Connect only to an earthed outlet
that is properly installed, earthed
and tested.
• Mains voltage and fuse protection
must correspond to those stated
in the "Technical Specications".
• When operated at pools, garden
ponds and similar locations, the
equipment must be protected by
a residual current operated
device (RCD, 30 mA) (DIN VDE
0100 -702, -738 or equivalent
applicable local regulations).
We recommend the use of RCD's
as a general precaution for per-
sonal protection.
• When operated outdoors the elec-
trical connections must be
splash-proof; they must not be
placed in water.
• Use only extension cables of suf-
ficient lead cross section (see
"Technical Specifications").
Unroll cable reels fully.
5.6 Filling the pump and
priming
A
Caution!
After installation, loss of water
or priming of air the pump needs to
be filled with water. Starting the pump
without water causes damage!
3
Note:
The suction line does not need to
be filled, the pump is self-priming. How-
ever, depending on length and diameter
of the suction line it may take some time
until pressure has built up.
1. Remove the water filler plug, com-
plete with gasket.
2. Slowly pour in clear water, until the
pump is filled.
3. To reduce the time needed for prim-
ing you can also fill the suction line.
4. Replace the water filler plug, com-
plete with gasket.
5. Open pressure line (open tap or
spray nozzle) for any air to escape
during priming.
6. Start equipment (see "Operation").
7. Close pressure line when only water
runs out.
Pump and suction line must be connected
and filled (see "Prior to Operation").
A
Caution!
Pump must not run dry. Ensure
there is always sufficient pumping
medium (water) available.
• If the motor does not start, no pres-
sure is built up or similar effects are
evident, switch the equipment OFF
– and try to remove the fault (see
"Trouble Shooting").
• If the pump should be blocked by a
foreign object or the motor overheat,
the motor protection will switch the
motor off.
6.1 Commissioning
3
Note:
The pressure switch
− starts the pump when the water
pressure in the tank falls below the
cut-in pressure by drawing off water;
− stops the pump when the cut-out
pressure is reached.
5. Prior to Operation
6. Operation
… 11 …


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