installation and connection to water and sewage systems

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Installation and proper connection of KAMMAK rinsing machines to water and sewage systems is a critical step that directly affects the safety of operation, the lifespan of the equipment, and its energy efficiency. Improper connections can lead to water leaks, floor damage, or unstable operation of pumps and heaters, which require costly interventions and production downtime.

Preparation of inlet points and technical water parameters

Before installation, it is essential to verify the parameters of the incoming water, as KAMMAK machines are designed for a specific pressure and temperature, which you can find in our guide on temperature and pressure. The incoming water must meet drinking water standards with a minimum pressure of 0.2 MPa and a maximum of 0.6 MPa; otherwise, there is a risk of either damaging solenoid valves or insufficient rinsing of the rack.

For professional machines such as the KAMMAK Professional series, it is often necessary to install an external filtration system before the inlet valve to prevent clogging of fine nozzles by sediment. If you have hard water, we strongly recommend considering the installation of a water softener, a topic we have thoroughly covered in the article on maintenance and fault prevention.

Installation of the water supply pipe

A quality connection of the supply requires the use of copper or PEX pipes with an adequate diameter, and the most common mistake is an excessively long and curved routing, which increases hydraulic resistance. We recommend using a shut-off valve directly before the machine, which allows for quick disconnection of the device for maintenance without the need to shut off the entire water supply in the kitchen.

Use threaded connectors with NBR sealing gaskets resistant to high temperatures.
Ensure that the supply hose system is secure and protected against mechanical damage.
Make sure all connections are hermetically sealed before the first operation of the machine.

In practice, we have recorded cases where the user did not use a reduction to the correct diameter, which led to a pressure drop when multiple appliances were running simultaneously. For stationary machines, it is advisable to use rigid piping instead of flexible hoses wherever space allows, which minimizes the risk of leaks due to motor vibrations.

Proper drainage and sewage connection

The drainage part is just as important as the supply, as an incorrect slope can cause backflow of water into the machine or delayed drainage, which disrupts the next cycle. KAMMAK machines generate a high volume of water in a short time, so the sewage pipe must be dimensioned to absorb this peak flow without the risk of overflow.

A key component is the installation of a proper siphon, which not only ensures drainage but also prevents unpleasant odors and bacteria from the sewer from returning into the kitchen area. For larger industrial models, it is sometimes necessary to install a separate drainage trap or cleaning window for regular inspection and maintenance of the drainage path.

We strongly advise against connecting the machine's drain directly to an open drain without a siphon, as this poses a hygiene risk and violates technical standards. The correct slope of the pipe should be at least 2% towards the main sewer, so that water flows naturally without the need for an additional pump.

Hydraulic isolation and leak protection

Professional standards require the installation of an automatic water shutoff valve (water leak detector) in the event of a leak, which is now a common feature in modern kitchens, even in smaller businesses. This system immediately shuts off the water supply if it detects moisture on the floor, preventing extensive damage to tiles and electrical wiring.

Install moisture detectors near the base of the machine and in adjacent areas.
Use double-layer hoses with an inner lining that have a self-shutting function in case of a cut.
Regularly check the tightness of all connections during the first weeks of operation.

In practice, we have seen a case where a simple crack in the sealing gasket on the supply line caused long-term seepage, which could have been easily detected thanks to the timely installation of a detector. These systems can be easily integrated with the KAMMAK machine and are compatible with most modern automation solutions in restaurants.

Technical connection details for different model types

The difference between stationary and portable KAMMAK models is most evident in the method of securing and stabilizing the connections, as portable machines are often moved and require more flexible solutions. Stationary versions require permanent, rigidly built piping that can only be disassembled with tools, while portable models use quick-connect fittings with closures.

When choosing a model, whether it is a robust stationary machine for a large restaurant or a compact portable model for a mobile kitchen, it is important to consider the available space for connection and the frequency of relocation. Choosing the wrong type of connection can lead to wear of the joints and subsequent malfunctions, which we have described in detail in the section on common faults and their solutions.

Always ensure that all components that come into contact with hot water are made of materials resistant to corrosion and high temperatures, such as stainless steel or special plastics. This is especially true for models intended for intensive use, where higher water temperatures and pressure are achieved.

Hydraulic calculation and sizing of the supply pipe

To ensure stable pressure when running multiple pumps simultaneously, it is critical to maintain the correct pipe diameter that corresponds to the maximum flow rate in liters per minute (l/min) according to the technical specifications.

Frequently asked questions

Do I need a separate water supply for each machine?

For larger KAMMAK machines, it is recommended to have a separate supply with its own shut-off valve to prevent pressure drop during the operating cycle and to ensure optimal pump performance.

How to solve the problem of low water pressure in the building?

In such a case, it is necessary to install a household pump with a pressure tank, which will increase the pressure to values above 0.2 MPa, which is the minimum limit for proper machine operation.

Is it possible to connect the machine directly to the sewer without a trap?

No, connecting without a trap is prohibited and dangerous, as it allows gases and bacteria to enter the kitchen and can cause contamination of the dishes.

Proper installation and connection of KAMMAK rinsing machines is the foundation for long and trouble-free operation, which will be reflected in lower energy and water consumption and fewer breakdowns. Adherence to technical standards and the use of quality materials will ensure that your investment is returned as soon as possible and the machine will serve for many years without the need for expensive repairs.

Do you have a question about this topic?

Not sure or dealing with a specific situation in your home? Write to us – we are happy to help.