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Do not operate the pump for more than 2 seconds to avoid excessive over-heating. Such an occurrence would
cause permanent damage.
e) Turn power supply off and then proceed with pipes connection as set out in the following paragraphs.
f) Ensure that the electrical connection is protected against water splashing.
g) When operating outdoors, the electrical connections must be splash-proof; they must not lie in water.
h) Extension cords must have sufficient wire cross section; cable drums must be completely unwound.
4.4- Connection of the suction pipe (not included)
The suction pipe (not included) must have a minimum diameter of 25mm [refer to specs table] and be rigid
enough to prevent crushing.
The assembly of the pipe must be carried out using Teflon to ensure complete air-tightness.
In the case of fittings with gaskets or O-rings, it is not necessary to use Teflon.
Ensure that the gaskets hold firm over time.
We recommend fitting a strainer (mounting with Teflon). Use clamping rings if necessary.
In all cases, the suction pipe must not be oriented upwards.
In the case of a pumping chamber with sand or gravel, position the strainer 50cm from the bottom or in a
bucket at the bottom of the chamber.
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 highly recommended to install a non-return valve in the suction line.
4.5- Connection of the discharge pipe (not included)
The discharge pipe (not included) must have a minimum diameter of 25mm and be rigid to prevent crushing.
In order to avoid leaks and obtain optimum performance, it is important to mount the fittings using 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- VFD presentation
Fig.2 LCD
display
Fig.3
LCD display colors
Fig.4
Setting the pressure - see steps 1~4.
Fig.5
Changing the operation method.
Fig.6
Information about Parameter 1.
Fig.7
Information about Parameter 2.
Fig.8
Iinformation about the ALARM log.
4.7- Fixed installation
In the case of permanent installation, the pump must be securely attached to its support surface.
The best method is to connect the pump to the fixed piping system via a flexible hose to minimize vibration
transmission. Clamp the pump by fixing its base with suitable supports. To minimize vibration put something
under the pump base (e.g. a rubber plate). The assembly surface must be flat, dry and solid, in order to
guarantee the stability of the installation.
It is recommended to install a non-return valve to stop the flow when the unit is switched off.
Thus, the pump will not need priming, accumulate pressure and fill the hoses each time it is restarted. This
type of assembly minimizes wear and tear and saves time and energy.
