step-by-step installation of a deaerator pump

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Installation of the descaling pump is a key step that determines the safety and efficiency of the entire heating system cleaning process. Proper connection of the device to the supply and return pipes and the boiler body requires an accurate procedure to avoid damaging the seals or causing dangerous pressure leaks.

Worksite preparation and safety measures

Before starting the installation, always disconnect the power supply and ensure that the heating system is completely drained and at 0 bar pressure. Use safety goggles and rubber gloves, as working with chemical solutions and under pressure poses a risk of splashing liquids into the eyes or onto the skin.

Secure the pump in a stable position on a solid stand or table to prevent it from tipping over during operation.
Clean all connection points and check the condition of the sealing rings in the descaling kits.
Prepare hoses of sufficient length and resistance to aggressive substances, which are part of the standard package.

Choosing the correct type of pipe and fittings

For professional KAMMAK pumps, it is critical to use hoses with an internal diameter matching the outlet connector, which is usually G 3/4 or G 1/2 inch. An incorrect diameter can cause excessive resistance and subsequent motor overheating or a drop in the efficiency of the solution pumping.

Connect all components using high-quality threaded fittings and sealing tapes or Teflon paste, making sure that no paste enters the pipe and does not contaminate the pump.

Use only special hoses designed for chemically aggressive environments and high pressure.
Check the condition of the seals every 10 hours of operation and replace them after longer intervals.
Use flexible connections for boiler connections to compensate for pump vibrations.

Connection procedure to the heating system

Connect the pump in such a way that the solution flows against the normal direction of water circulation in the system, which ensures maximum removal of deposits from all parts of the boiler. For larger systems, it is suitable to use a higher performance pump, such as model KAMMAK K-150, which can handle more demanding applications without loss of performance.

Make sure that the inlet and outlet pipes are not bent at sharp angles, which could cause turbulence and increased flow resistance.

Connect to the boiler via a service valve or special adapter, which is part of the delivery.
Set the flow so that it is even and free of air bubbles, which could disrupt the pump operation.
Check that all shut-off valves are in the correct position before starting the first cycle.

Testing functionality and setting parameters

Once the pump is installed, run it briefly without the chemical solution to verify the correct direction of rotation and the absence of leaks at the connections. Check that the motor does not overheat and that the oil level in the gearbox is at the required level.

Set the temperature and flow rate according to the instructions for the specific type of deposits, with a temperature of around 60 °C and a flow rate of 15 to 20 liters per minute being sufficient for standard descaling.

Closely monitor the pressure gauge and ensure that the pressure remains within the safe limits specified by the manufacturer.
In the case of unusual noise or vibrations, immediately stop the pump and check the condition of the seals.
For the long-term durability of the device, it is advisable to regularly check the electrical connections and cable insulation.

Maintenance after the descaling process

After completing the work, always thoroughly flush the entire system with clean water to remove any remaining chemical solution and prevent corrosion of the internal parts of the pump.

This step is also essential when using robust models such as KAMMAK K-200, which are designed for intensive operation.

Store the pump in a dry and protected place where it is not exposed to direct sunlight or extreme temperatures.

Remove all hoses and cleaning tools and store them in a dry place.
Check the condition of the seals and replace them if necessary before the next season.
Keep the technical data sheet and operating instructions for future reference and diagnosis of possible faults.

Technical details of the hydraulic circuit and pressure conditions

During installation, it is essential to understand the difference between static and dynamic pressure in the system. The pump must overcome not only the height of the system (static pressure), but also the resistance of the piping, fittings and filtration (dynamic pressure). If the hose is too long or has too small a diameter, excessive resistance can occur, which may lead to motor overheating and premature wear of the seals.

It is important to install a check valve on the pump's outlet side to prevent the solution from flowing back into the tank after the device is turned off. This ensures the full volume of the solution remains in the boiler and prevents the need to re-suck air.

Critical points when connecting to the boiler body

Some modern boilers have specific requirements for minimum water flow to prevent operation interruption or damage to the heat exchangers. Therefore, during decalcification, proceed carefully and use commercial reductions if necessary to allow flow regulation.

Always ensure that the system is completely free of air before starting the pump. Air pockets can cause cavitation, leading to noise, vibrations and rapid wear of the pump impeller. Use an expansion tank or an air vent at the highest point of the system for this purpose.

Before connecting, check that all valves in the boiler are open and that the system is not blocked.
Use only hoses with a sufficient diameter (min. 16 mm) to minimize pressure loss.
Ensure that the pump is placed lower than the tank level, if possible, for better suction.

Integration with external heat and cooling sources

If you are using a pump for decalcification in conjunction with an external heat source (e.g. gas heater), it is essential to ensure proper connection of the circulation loop. The solution temperature should not exceed the maximum allowable temperature of the hose material and pump seals, which is usually set at 80 °C to 90 °C.

For larger systems, such as industrial boilers or heat exchangers, it is advisable to use three-way valves that allow recirculation of the solution in the tank without loading the pump. This ensures even heating of the solution and increases the efficiency of the chemical process.

Safety when working with high pressure

Working with decalcification pumps requires compliance with safety standards regarding work under pressure. Never open connecting parts when the system is under pressure. Always release pressure using a valve before disassembly and verify that the pressure has dropped to zero.

It is also important to have a fire extinguishing means suitable for chemicals available and to ensure that all electrical components are protected against water and moisture. Use only certified hoses and connecting parts that are intended for chemically aggressive environments.

Always have an emergency pump stop within the operator's reach.
Use protective labels and markings on all hoses and connections.
Monitor temperature and pressure throughout the entire operation and react to any deviations.

Common questions

How often should seals be replaced with intensive use?

With daily intensive use, it is recommended to replace the seals every 3 months to prevent leaks and damage to the pump.

Can I decalcify cold water without heating?

Yes, but the process will take longer and be less effective, so heating the solution to 60 °C is recommended to achieve optimal results.

What to do if the pump overheats after starting?

Immediately stop the operation, check the flow and pressure, and if necessary, let the pump cool down before trying again.

Thorough compliance with the installation and maintenance procedure ensures a long life of your pump and safe cleaning of heating systems without the risk of damage.

Do you have a question about this topic?

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