STERWINS 900 JET AUTO-3 Instrucciones De Montaje página 209

Risk of damage to the pump!
The hose adapters on the suction and discharge connectors
must only be tightened by hand to avoid damage to
connectors. If water leaking at the connector, seal the joint
with Teflon tape (not included).
• Position the suction hose so that it rises from the water withdrawal point to the pump. Avoid positioning
the suction hose higher than the pump, as this would delay the escape of air bubbles and impede the
priming process.
• The end of the check valve should be low enough in the water to ensure that if the water level falls, the
pump will not run dry.
• A leaking suction hose will draw in air instead of water. Please make sure the clamp is properly tightened.
• For suction heights exceeding 3 m we recommend securing the suction-hose (e.g. by fastening it to a
wooden post). This relieves the pump of the weight of the suction hose.
• Install the intake and discharge lines in such a way that they do not place the pump under any
mechanical strain.
Priming the pump illustration 2.4 to 2.6
First, unscrew the filling plug to remove air from the pump during filling.
Fill the pump with clear water via discharge connector. Filling must be done slowly so that the air
contained in the pump is completely expelled. Fill to overflow and put back the filling plug. As this is
not an auto-priming pump, the suction pipe will also need to be filled. To save time when filling, you
can detach the suction pipe set and fill it directly (by submerging the suction pipe in water, for example)
before connecting the pump.
Depending on the suction height and the amount of air in the suction hose, priming can take anywhere
between 1 minute to 5 minutes. If it takes longer than this, the pump should be refilled with water.
Illustration 3.3
Always remove the plug from the socket before refilling !
Connecting the discharge hose
For automatism and discharge hose installation, please refer to the illustration.
A hose with a diameter of 25MM is recommended for better results.
4.4 OPERATION
Start the pump illustration 3.1 to 3.3
Make sure the pump is correctly installed and primed, refer to chapter "first use" above.
Connect the power cable to an earthed 220-240V 50Hz power supply protected by a minimum 10-amp
fuse. Press the ON/OFF switch. The switch light will come on when the motor is running. Once the pump
has been primed, put the discharge hose back down.
Operation safety warnings
•Operate the product only at reasonable hours – not early in the
morning or late at night when people might be disturbed.
•Do not modify the product in any way or use parts and
accessories that are not recommended by the manufacturer.
illustration 2.8
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