FAQ

The Top Cleaner is suitable for so-called Venlo greenhouses.

The weight of a Top Cleaner depends on the model, configuration, and the length of the hose and cable. As a general guideline, the roof washer weighs less than 600 kg and the platform weighs less than 1,000 kg.

Yes, it is possible to use the Top Cleaner roof washer to apply coatings. With a set of spray booms, three rooftop panels can be coated with an even layer in a single pass. Van der Waay also supplies suitable pump units for these coatings.

No, it is not possible to use a Top Cleaner roof washer on greenhouses with different roof sizes. The Top Cleaner runs through two gutters, and the center-to-center distance between the gutters must always be the same. Although the Top Cleaner V runs along a single gutter, it is still compatible with greenhouses of varying roof sizes.

Yes, if the platform is equipped with an electrically retractable undercarriage, it is possible to move the Top Cleaner between multiple greenhouses.

A manually operated Top Cleaner is started using a remote control, as is the movement to the next rooftop panel. When automation is selected, the above operations are performed automatically. Optionally, the machine can be controlled by the climate computer.

The cleaning time for 1 hectare of greenhouse roof depends on the model. A 320 model takes about 7.5 hours, and a 480 model takes about 5 hours.

The time required to apply a coating to 1 hectare of greenhouse roof depends on the model. A 320 model takes about 1.5 hours, and a 480 model takes about 1 hour.

The Top Cleaner uses between 1,800 and 2,000 liters of water per hour.

The Top Cleaner can be equipped with 350 meters of hose and cable. Keep in mind that each meter of hose (filled with water) and power cable weighs approximately 0.5 kg.

Yes, when equipped with gutter brushes, the Top Cleaner cleans both the roof panes and the gutters.

The Top Cleaner is available for 400 V / 50 Hz and 480 V / 60 Hz. The maximum power (Pmax) is 11.5 kW and the maximum current (Imax) is 22 A.

Yes, a special version of the Top Cleaner is available for greenhouses equipped with F-Clean film.

No, the Top Cleaner is not suitable for work involving the repair or replacement of glass panes. For this, please refer to the Glass Repair Cart.

To put the Top Cleaner into operation, you’ll need one or more water and power outlets along the greenhouse facade, as well as a robust rail system. Optionally, the Top Cleaner can be equipped with a pump unit for applying coatings. Additionally, it can be expanded with software for the climate control computer, and robust stoppers must be installed at the end of the gutter.

The Top Cleaner V is suitable for so-called Venlo greenhouses. The Top Cleaner V is particularly useful for smaller areas and in situations where, for example, there are two different greenhouses with different roof sizes. For larger greenhouse areas, we recommend the Top Cleaner.

The weight of the Top Cleaner V depends on the configuration, but is always less than 300 kg.

It is possible to use the Top Cleaner V roof washer to apply coatings. With a set of spray booms, two rooftop sections can be coated with an even layer in a single pass. Van der Waay also supplies suitable pump units for these coatings.

The Top Cleaner V is ideal for use on greenhouses with different roof sizes. With expandable brush sets, roofs ranging from 3.20 meters to 4.80 meters can be cleaned.

After the Top Cleaner V is positioned on the greenhouse roof, it is started using a radio-controlled remote.

The Top Cleaner V can be placed directly on the greenhouse roof using a suitable lifting device or, for more convenience, with the help of a Service Platform.

The drive speed of the Top Cleaner V is continuously adjustable up to 20 meters per minute. When brushing the greenhouse roof, we recommend a drive speed of 10 to 15 meters per minute. For applying coatings, we recommend 15 to 20 meters per minute.

The Top Cleaner V uses approximately 30 to 35 liters of water per minute. For this, we recommend a high-pressure pump with an adjustable operating pressure of up to 50 bar. 

A maximum of 200 meters (½” hose) can be wound onto the Top Cleaner V’s reel.

When the Top Cleaner V is equipped with an optional gutter brush, the greenhouse gutters are also brushed.

To power the Top Cleaner V, an inverter generator with a voltage between 110 and 230V and a minimum power output of 3kW must be connected to the machine.

To use the Top Cleaner V, a high-pressure pump is required for the water supply and, if necessary, for applying coatings. In addition, a suitable lifting device is needed to put the machine on the greenhouse roof. If the machine is moved using a Service Platform, a corresponding greenhouse rail and robust stoppers at both ends of the gutters are also required.

The Top Cleaner Poly is suitable for multispan greenhouses covered with plastic film. The tunnels must be connected to each other by a gutter that is strong enough to support the weight of the machine.

The weight of the Top Cleaner Poly depends on the configuration, but it never exceeds 450 kg.

The Top Cleaner Poly greenhouse roof washer is suitable for applying coatings to the greenhouse roof. Using a set of spray booms, the greenhouse roof is coated with an even layer of coating. Van der Waay also supplies suitable pump units for applying coatings.

Yes, the Top Cleaner Poly is suitable for use on greenhouses with different roof sizes. The machine can be customized to the dimensions of the multispan plastic greenhouse, provided the technical requirements are met. Please contact us for personalized advice.

Once the Top Cleaner Poly has been positioned on the greenhouse roof, it is started using a radio-controlled remote.

The Top Cleaner Poly can be placed on the greenhouse roof using a suitable lifting device and then moved across the roof. Under certain conditions, this can also be done using a Service Platform. The correct method depends on the greenhouse structure and access to the roof. Please contact us for advice on the options.

The Top Cleaner Poly can pull 250 meters of ⅝” hose.

Yes, the greenhouse gutters are also brushed, provided the Top Cleaner Poly is equipped with a gutter brush.

To power the Top Cleaner Poly, an inverter generator with a voltage between 110 and 230V and a minimum power output of 3kW must be connected to the machine.

The AquaJet roof washer is suitable for cleaning the interior of any greenhouse, provided it is equipped with a ground-mounted tubular rail system.

The track width of the AquaJet is adjustable from 420 to 600 mm center-to-center, making the machine suitable for different center-to-center distances of the tubular rail system.

The minimum working height of the AquaJet is approximately 290 cm when the spray boom is fully retracted. This height is measured from the tubular rail system. 

With a standard mast length, the AquaJet has a maximum working height of approximately 590 cm, suitable for greenhouses with a gutter height of up to approximately 650 centimeters. With a retracted mast, a maximum working height of approximately 725 centimeters is possible. The working height is measured from the tubular rail system.

The AquaJet weighs a maximum of 700 kg.

The standard version of the AquaJet is equipped with a reel that holds up to 150 meters of hose. The XL version’s reel holds up to 250 meters of hose.

The AquaJet uses up to 5,000 liters of water per hour.

The AquaJet consumes approximately 5 liters of unleaded gasoline per hour.

A supply pressure of approximately 12 bar is required to ensure a proper water supply to the AquaJet. Due to the length of the hoses and the required flow rate, a compact pressure booster pump on the pathway is necessary. This pump is included as standard. 

Assuming a cleaning process in which the greenhouse roof and walls are first sprayed with a cleaning agent and then rinsed with clean water, cleaning approximately 1 hectare takes about 8 to 10 hours. The exact cleaning time depends on the degree of soiling.

The cleaning solution dosage is adjustable from 0.3 to 3 liters per minute, which corresponds to a dosage of 1 to 10%.

When applying the cleaning agent, the AquaJet sprays at a pressure of 30 bar. A pressure of 40 bar is used for rinsing with water. 

The AquaJet can be used in greenhouses with LED or assimilation lighting. However, we recommend thoroughly shielding lighting fixtures, fans, monitoring stations, and other sensitive equipment in advance with, for example, protective plastic covers or bags. This prevents this equipment from being exposed to water or cleaning solution during cleaning.

Many common cleaning products can be used with the AquaJet, as the agent is dispensed after the pump. Always check in advance whether the chosen cleaning product is chemically compatible with the parts it comes into contact with. Thoroughly rinse the piping with clean water after use. Keep in mind that certain cleaning products can shorten the lifespan of parts.

No, the AquaJet is not suitable for applying cleaning foam. However, the machine is suitable for dosing and applying liquid cleaning products. 

Yes, when used with a special nozzle set, the AquaJet can also be used to clean cultivation gutters.

Yes, the AquaJet can be equipped with LED work lights.

Yes, the AquaJet is also available in a version with pneumatic tires, which allows the machine to be moved across concrete floors. This version is not suitable for use on unpaved surfaces or dirt floors. 

The AquaJet E is generally suitable for any greenhouse, provided it is equipped with a ground-mounted tubular rail system.

The track width of the AquaJet E is adjustable as standard from 420 to 600 mm center-to-center. Other track widths are also available as an option.

The minimum working height of the AquaJet E, when the mast is fully retracted, is approximately 290 cm, measured from the tubular rail system.

The maximum working height of the AquaJet E, when the mast is fully retracted, is approximately 590 cm with a standard mast length (suitable for greenhouses with a gutter height of up to 650 cm) and approximately 725 cm with a retracted mast, measured from the tubular rail system.

The AquaJet E weighs less than 700 kg.

The standard version of the AquaJet E is equipped with a reel that holds up to 150 meters of hose. The XL version’s reel holds up to 250 meters of hose.

The AquaJet E consumes up to 5,000 liters per hour.

For reliable operation of the AquaJet E, we recommend 12V deep-cycle batteries with a capacity of at least 118 Ah. An added benefit is that these are the same batteries used in various standard pipe-rail carts. 

The AquaJet E operates on two batteries connected in parallel.

We recommend not discharging the AquaJet E’s batteries beyond 80%. On average, it runs for 5–7 hours.

No, the AquaJet E does not have a built-in water pump. 

Any standard pump can be connected to the AquaJet E, as long as it meets the following minimum specifications:

• Water flow rate: at least 80 l/min
• Operating pressure: at least 50 bar

Yes, Van der Waay offers a specially developed pump unit that integrates seamlessly with the AquaJet E. This ensures the system immediately meets the required capacity and pressure.

Assuming a cleaning process in which the greenhouse roof and walls are first sprayed with cleaning solution and then rinsed with clean water, cleaning 1 hectare of greenhouse roof with the AquaJet E takes approximately 8 to 10 hours. The exact cleaning time depends on the degree of soiling.

The AquaJet E can be adjusted to dispense 0.3 to 3 liters of cleaning solution per minute, which corresponds to a dosage of 1 to 10%. 

When applying the cleaning solution, the AquaJet E sprays at a pressure of 30 bar. A pressure of 40 bar is used for rinsing with water.

The AquaJet E can be used in greenhouses with LED or assimilation lighting. We recommend thoroughly shielding lighting fixtures, fans, monitoring stations, and other sensitive equipment beforehand. This can be done, for example, with protective plastic covers or bags, so that the equipment is not exposed to water or cleaning solution during cleaning.

Many common cleaning products can be used with the AquaJet E, as the agent is dispensed after the pump. Always check in advance whether the chosen agent is chemically compatible with the parts it comes into contact with. Always rinse the piping thoroughly with clean water after use. Keep in mind that certain cleaning products can shorten the service life of parts that come into contact with them.

No, the AquaJet E is not suitable for applying cleaning foam. However, the machine is suitable for dosing and applying liquid cleaning products. 

Yes, when used with a special nozzle set, the AquaJet can also be used to clean cultivation gutters.

Yes, the AquaJet E can be equipped with LED work lights.

The Gutter Walker makes inspection, maintenance, and repair work on the greenhouse roof significantly safer and more efficient. Because staff move along the gutter while secured, the risk of falling is minimized, and the safety requirements for working at heights are met. 

The Gutter Walker weighs approximately 21 kg.

The Gutter Walker is not CE-marked. The product is not subject to European product legislation that requires CE marking. However, Van der Waay does assess and test the Gutter Walker for risks and safe use.