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4.4- Connecting the suction line
(not supplied)
The suction hose (not supplied) must have a minimum diameter of 25 mm and must be rigid and kink
resistant to prevent crushing and suitable for vacuum..
The assembly connections must be sealed with hemp and Teflon or thread sealing tape so that the sealing
is perfect.
For fittings equipped with gaskets or O-rings, it is not necessary to add Teflon or sealing tape.
Check the correct sealing over time.
Do not forget to check the connections of the strainer (mounted with Teflon). Add clamps if necessary.
In any case, the suction hose must not be directed upwards.
In the case of wells with sand or gravel, put the strainer 50cm from the bottom or in a bucket into the
well.
The suction line should be as short as possible, since the suction capacity decreases as the length of the
line increases.
The suction line should ascend steadily towards the pump to prevent air pockets.
Sufficient water supply must be assured; the end of the suction line must always be in water.
The suction line must be installed so that it does not exert any mechanical force or tension on the pump.
If the conveying medium is contaminated, a suction filter must be used to protect the pump from sand and
dirt
IMPORTANT! It is recommended to install a check valve.
Before starting, carefully check the suction hose to make sure that it is properly sealed. Air bubbles in the
suction line are an indication that there may be a leakage!
4.5- Connecting the discharge line
(not supplied)
The discharge hose (not supplied) must have a minimum diameter of 25 mm and must be rigid and kink
resistant to prevent crushing.
To avoid leakages in the delivery line and get the best performance, ensure to seal the fittings with Teflon.
Remarks:
- All components of the pressure line must be compression-proof.
- All components of the pressure line must be professionally installed
- If the components are not compression-proof or if they are improperly installed, the pressure line could
burst during operation. Risk of injury from liquid spurting out!
4.6- Start-up
Warning
! The pump should be filled with water after each new connection or in the event of water loss
or air intake. Extended operation without a water refill (unsupervised dry run) will destroy the pump.
Unscrew filter cover (2) and remove filter.
Fill completely with water (do not splash electrical components with water).
Reinstall filter cover.
If the water level drops in the body or if the discharge is not performed correctly, it may be caused by an
air intake. In this case, check the suction pipe connection and proceed again with filling body.
If you want to shorten the intake time, fill the suction line as well (only possible with a check valve).
Switch the pump on.
Open pressure line (turn on water spigot or nozzle), so that air can escape during intake.
When water runs out evenly, turn the pump off. The pump is ready for use.
If the water does not flow and the pump does not suck water, make sure there are no leaks in the pump
body, pipes and fittings.
