DiSi Cleaningsystems | High-Pressure Cleaners for Commercial and Industrial Use

Solar PV photovoltaic cleaning cleaning set 3 washing brushes rotating CARBON telescopic lance 14m descaler cleaning agent high-pressure cleaner

Performance Characteristics

Your solar or photovoltaic system loses up to 30% of its capacity due to environmental influences and corresponding deposits (depending on the environment). With continuous cleaning you increase this performance again and thus your income!

Features of the HP telescopic lance:
The professional HD telescopic lance for cold and hot water high-pressure cleaners of all classes has a shortest length of 2.5 m and can be extended to 14.0 m. A high-pressure gun and an internal high-pressure hose are screwed to the lance. The whole unit can be operated at <60°C and 200bar.
The HD telescopic lance can be used anywhere you would otherwise not get to, i.e. up to an operational distance of approx. 11m from you. The lance tip is delivered with an M22 union nut as standard, to which the PV washing brush module or HD articulated joint with nozzle can be adapted, for example.
The HD telescopic lance consists of 7 extendable segments made of FULL CARBON and weighs only approx. 4kg without water. The quick releases consist of a hard plastic screw cap.

The HP telescopic lance is now not only used for the control and long arm of the “photovoltaic wash brush module”, but is now also equipped with the STAINLESS STEEL HP articulated joint (0-120° can be fixed), onto which the flat jet nozzle can be screwed and thus To be used as a stand-alone HP telescopic lance with acute flat jet spray angles. The HP telescopic lance can therefore also be used as a long HP lance with an HP articulated joint and HP nozzle WITHOUT a photovoltaic wash brush module.

Depending on the filter selection, the telescopic lance with the HP pistol is either firmly fixed to the top tube or supplied with a variable pistol attachment, through which the supplied HP pistol or HD ball valve can be optionally connected and thus fixed rotatably to the top tube. By using the HP gun, the telescopic lance is ideal for professional facade cleaning and by using the HP ball valve it is better for PV cleaning.

Features of the washing brush module:
The professional solar systems or photovoltaic washing brush module has 3 rotating nylon brush heads, each 20cm wide, giving a cleaning width of approx. 55cm.
The high torque rotation is generated by the flow rate of the high-pressure cleaner, by means of a gear unit and drive nozzles (analogous to iSolar ©, Kärcher). The working pressure of the high-pressure cleaner used is reduced to a counter pressure of only 30-40bar by the individually matched internal drive nozzles of the photovoltaic washing brush module. Due to our construction, we can also adjust the 3 individual washing brushes satisfactorily for very small HPW >8l / min flow rates.
The washing brush module is equipped with an HD articulated joint for comfortable vertical handling. This enables the brush module to be used on PV systems of any roof pitch. The lance holder above the brush module, with its center of gravity, prevents it from tipping, so that it always lies flat and is easy to control.
The 3 nylon brush attachments are subject to little wear and tear and can be exchanged very easily. An exchange set (3 pieces) is optionally available at any time for 99 euros.

Features of high pressure cleaner:
The type designation of the device is KM300 or KM400 and is one of the powerful cold water high-pressure cleaners from the Mazzoni brand on a 230 or 400V volt basis and flanks the absolute professional class, industrial quality. The crankshaft high-pressure pump unit is equipped with 3 ceramic pistons, is driven by an electric motor with 1,400 rpm and has a working pressure of 150 bar at 11 l/min or 210 bar at 15 l/min. The power can be infinitely adjusted via the blue pressure/volume regulator.

Furthermore, the KM300 / KM400, with the supplied external chemical injector, has a cleaning agent intake, the addition of which is also continuously adjustable and further increases the cleaning effect. Of course, this injector can also be used in HIGH PRESSURE OPERATION.

The electric motor is air-cooled and also has a thermal fuse that protects against overheating. During the standby phase, the pressure is reduced to 0 in the entire system by means of the by-pass valve, which greatly reduces the wear and tear of all components and accessories. The KM300/KM400 can also be operated using an external water source up to a flow temperature of 60°C.

This high-pressure washer is an excellent match for the PV washing brush module due to its compact design, performance specification and technology.

The Mazzoni company has existed in Northern Italy since 1969 as a manufacturer of high-pressure cleaners, steam jets and individual components such as burners, high-pressure crankshaft pumps and attachments. The owner-managed family company with around 80 employees continues to produce everything by hand and only supplies top-quality components and devices in a rock-solid construction for continuous industrial operation. The focus here is on quality, not profitability. The supply of spare parts and / or maintenance is guaranteed by our workshop in 65205 Wiesbaden, other dealers and German-speaking contacts at Mazzoni.

Chemical injector features:
All cold water high-pressure cleaners that do not have an internal water tank can only suck in detergent additives in the low-pressure range. To use the cleaning agent in connection with our rotating washing brush module, it is necessary that the high-pressure cleaner injects the cleaning agent during the high-pressure phase.
This external chemical injector enables detergent to be sucked in via the water supply of the high-pressure cleaner. The component is inserted between the water supply hose and the high-pressure cleaner. The detergent supply can be dosed using a scale using a dosing valve. All hoses are transparent and the set is ready for connection.

Performance characteristics of Solarsoft decalcifying / cleaning agent:
The cleaning agent Herwetec Schukolin Solarsoft is especially suitable for cleaning glass, photovoltaics and solar systems, as it not only has a cleaning, but also a water-decalcifying or softening effect and is also biodegradable. This means that no further decalcification is necessary, even with very hard water. The pearlescent effect that is left behind gives your PV system better protection against further contamination.

With a medium degree of soiling, 10l of Solarsoft are sufficient for an area of ​​up to 1,000m². Depending on the degree of soiling and the corresponding indexing, the yield is smaller or larger. If it is less dirty, the agent can also be diluted.

– Specially designed for solar cleaning using the one-step method, no extra rinse cycle with softened water required
– Lime stop formula
– specially approved by solar module manufacturers, with certificate
– Groundwater and wastewater tested by the University of Stuttgart
– Label-free and biologically harmless
– enables lime-free drying

Product Video

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Technical Specifications

HP-Telescopic Lance

Length (in m) 2.5-14
Material Carbon
Temperature range (°C) <60
Pressure (bar) <200
Connection System by vote
HP-Nozzle by vote
HP-Articulated joint Stainless steel, 0°-120° fixable
HP-Gun Input HP gun suitable for your high pressure hose
Weight (kg) 4



Cleaning width (in m) 0,55
Material Nylon
Temperature range (°C) <50
System request High-pressure cleaner >8 l/min to <20l flow rate


High Pressure Washer

Current type (PH/V/Hz) 2/240/50 or. 3/400/50
Water capacity (L/H) or (l/min) 660 / 11 or. 900 / 15
Working pressure infinitely adjustable (bar) 30 – 210
Maximum temperature range (°C) 50
Engine Power (kw) 2,2 or. 5,5
Engine speed (rpm) 1.400
Weight (kg) 35
Dimensions (L x W x H) (cm) 55 x 30 x 35
Cleaning agent tank (l) Drawing
Start-Stop-System no, by-pass automatic

Scope of Delivery

1. Rotating photovoltaic washing brush module (matched to the KM300/KM400 high-pressure cleaner)

2. HD telescopic lance CARBON (according to filter selection) with STAINLESS STEEL HD articulated joint 0°-120° fixable and matching HD flat jet nozzle

3. KM300/KM400 high-pressure cleaner with HP hose (depending on filter selection), ST-2300 HP gun and HP lance with HP nozzle

4. 2x10L Solarsoft cleaning and descaling agent (biodegradable, cleans and decalcifies or softens the water)

5. External detergent injector with doser for the suction side