Actuating drive

Do you want your heating systems to offer the desired living comfort while working efficiently? Then it should be equipped with durable and high-quality actuators that optimally control the flow of the heating medium. Find out more about actuators, their function and use here. Actuators are required to open and close the water circuit of a heating system or cooling ceiling. To do this, the drives are screwed or snapped onto a valve. Efficient heating of buildings has become a challenge. It is no longer just about warming the residents, but:

  • adjust the temperature sensibly to the function of the room
  • using as few resources as possible
  • to ensure a long service life of the system
  • to enable convenient operation

 

All of these lead to money savings, environmental protection and a better quality of life, and depend in part on the heating system installed in the building. In this eibabo® catalog you will find conventional actuators for 24 volt systems or 230 volt systems. Depending on your needs, choose normally open or normally closed models and installation accessories.

What are thermoelectric actuators?

Thermoelectric actuators are general purpose actuators designed to provide on-off control of a variety of control valves. In private use, these are typically the valves of underfloor heating, but can also be used in industry for other heating systems, ventilation systems and cooling systems. The devices regulate the flow of the heating medium (e.g. hot water) in a circuit and thus ensure that the temperature in the building is controlled. Thermoelectric actuators can be used on the heater valves as well as in the heater manifolds and the floor manifolds.

Please note

Some actuator models only suitable for certain valve inserts. Please read the product descriptions and pay particular attention to the dimensioning of the attachment on the valves and the type of power supply.


Modern actuators work together with room thermostats and heating actuators and can be integrated into the building management system.

Should I buy normally open or normally closed actuators?

With actuators, we distinguish between NC (normally closed) and NO (normally open). Which variant you choose depends on your personal needs. NC drives are always closed and open when power is applied. In the case of normally open NO actuators, the current ensures that the valve closes. Please take this into account when planning your heating system. But what are the advantages or disadvantages? In the event of a power failure or defect, NC drives close. If it is a heating season, you will quickly notice the malfunction. It's getting cold in the house. NC drives therefore only consume electricity when they are being heated. On the other hand, drives that open without current are more efficient during the heating period. However, in the warm season you must keep the drives closed using electricity, otherwise you may heat your building unnecessarily. In such a case, switching off the pump by the heating actuator or manually after the winter season would be advisable.

How are thermoelectric actuators installed?

Thermoelectric actuators (valve drives) are snapped or screwed directly onto the upper part of the valve used in the house. This connection with the valve spindle is usually made directly in the heating circuit distributor. You can use adapters made of PVC or metal to compensate for the manufacturer-specific distance differences between the drive and the upper part of the valve or the thread and the mount. In this way you ensure correct implementation of the manipulated variable.

Why are there no KNX actuators?

With a decentralized installation, for example in the heating circuit distributor, you can use heating actuators with L and N connections for direct connection of the actuators. You can find more information in our 'Heating actuator' category. Contrary to widespread opinion, thermoelectric actuators are not wear-free and must be replaced every year. This is why earlier versions of expensive KNX actuators (i.e. devices that combine the KNX actuator and actuator) have not caught on and are increasingly disappearing from the market. It is therefore a question of long-term cost efficiency to separate the technology from the positioning drive and the actuator. The actuator is parameterized using the Engineering Tool Software ETS.

 


TIP

The ETS parameter 'Flush' helps to minimize wear on rarely used valves. This function prevents the heating valves from calcifying too quickly.


 

This KNX software is manufacturer-independent and is required to develop and configure individual controls for building automation. That means: The actuator opens and closes the actuators according to the programmed specifications.

What should I look out for when buying an actuator?

Reliable working actuators are the key to the correct and efficient operation of the entire heating system. When selecting thermoelectric actuators, you should pay attention to the following points:

  • The drives must be compatible with the rest of the heating system. Check that these match the valves. An important parameter here is the so-called stroke, which is usually specified in millimeters. The stroke of the actuator must match the closing dimension of the valve. If the stroke is too small, the actuator will not fully open or close the valve (depending on the NO or NC variant).
  • Decide on a normally open or normally closed variant.
  • Pay attention to the power supply. Here we distinguish between 24 volts and 230 volts.
  • The power consumption of the drive should be as low as possible and not exceed 5 watts.
  • Opening and closing a valve takes time. High-quality equipment offers opening and closing times of less than 3 minutes.
  • The actuator should have an easily recognizable status display so that the current status can be easily read.

 

Source: eibabo®, ABB TSA/K 230.2 thermoelectric actuatorImage: ABB TSA/K 230.2 thermoelectric actuator

In addition to thermoelectric actuators, we offer you the following products:

  • radiator valve drives
  • Actuators including binary inputs
  • electromotive actuators
  • Radiator control drives
  • Wireless actuators with and without room temperature controller
  • Radiator thermostats
  • straight valves
  • valve adapter
  • Receiver for heating actuators
  • and many more

 

Well-known brand manufacturers in our range include ABB, Busch-Jäger, Eaton, Gira, Hager, Heimeier, Issendorf, Lingg & Janke, Merten, MDT, Siemens, Somfy and Theben.

 

eibabo - technology store

 

Catalogue content:


In this eibabo® catalogue Installation bus systems > Actuating drive for bus system you will find items from the following product groups:

Item overview:

  • Actuator
  • Battery powered
  • Bus technology
  • Continuous control
  • Control valve
  • Energy efficient
  • Heater drive
  • Heating control
  • Heating controller
  • Heating technology
  • Radiator thermostat
  • Retrofit
  • Room temperature controller
  • Room thermostat
  • Temperature control
  • Temperature controller
  • Thermostat
  • Time profile
  • Valve drive
  • Wax cartridge drive


from the following manufacturers:

Manufacturer overview catalogue Actuating drive:

  • ABB
  • AVM Computersysteme
  • Busch Jaeger
  • Eberle
  • Eltako
  • FKR
  • Gira
  • Hager
  • Issendorff
  • Jung
  • Merten
  • Rademacher
  • Siemens
  • Somfy
  • Theben
  • WindowMaster


 
Do you want your heating systems to offer the desired living comfort while working efficiently? Then it should be equipped with durable and high-quality actuators that optimally control the flow... read more »
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Actuator – Used to control heating, ventilation and cooling

Do you want your heating systems to offer the desired living comfort while working efficiently? Then it should be equipped with durable and high-quality actuators that optimally control the flow of the heating medium. Find out more about actuators, their function and use here. Actuators are required to open and close the water circuit of a heating system or cooling ceiling. To do this, the drives are screwed or snapped onto a valve. Efficient heating of buildings has become a challenge. It is no longer just about warming the residents, but:

  • adjust the temperature sensibly to the function of the room
  • using as few resources as possible
  • to ensure a long service life of the system
  • to enable convenient operation

 

All of these lead to money savings, environmental protection and a better quality of life, and depend in part on the heating system installed in the building. In this eibabo® catalog you will find conventional actuators for 24 volt systems or 230 volt systems. Depending on your needs, choose normally open or normally closed models and installation accessories.

What are thermoelectric actuators?

Thermoelectric actuators are general purpose actuators designed to provide on-off control of a variety of control valves. In private use, these are typically the valves of underfloor heating, but can also be used in industry for other heating systems, ventilation systems and cooling systems. The devices regulate the flow of the heating medium (e.g. hot water) in a circuit and thus ensure that the temperature in the building is controlled. Thermoelectric actuators can be used on the heater valves as well as in the heater manifolds and the floor manifolds.

Please note

Some actuator models only suitable for certain valve inserts. Please read the product descriptions and pay particular attention to the dimensioning of the attachment on the valves and the type of power supply.


Modern actuators work together with room thermostats and heating actuators and can be integrated into the building management system.

Should I buy normally open or normally closed actuators?

With actuators, we distinguish between NC (normally closed) and NO (normally open). Which variant you choose depends on your personal needs. NC drives are always closed and open when power is applied. In the case of normally open NO actuators, the current ensures that the valve closes. Please take this into account when planning your heating system. But what are the advantages or disadvantages? In the event of a power failure or defect, NC drives close. If it is a heating season, you will quickly notice the malfunction. It's getting cold in the house. NC drives therefore only consume electricity when they are being heated. On the other hand, drives that open without current are more efficient during the heating period. However, in the warm season you must keep the drives closed using electricity, otherwise you may heat your building unnecessarily. In such a case, switching off the pump by the heating actuator or manually after the winter season would be advisable.

How are thermoelectric actuators installed?

Thermoelectric actuators (valve drives) are snapped or screwed directly onto the upper part of the valve used in the house. This connection with the valve spindle is usually made directly in the heating circuit distributor. You can use adapters made of PVC or metal to compensate for the manufacturer-specific distance differences between the drive and the upper part of the valve or the thread and the mount. In this way you ensure correct implementation of the manipulated variable.

Why are there no KNX actuators?

With a decentralized installation, for example in the heating circuit distributor, you can use heating actuators with L and N connections for direct connection of the actuators. You can find more information in our 'Heating actuator' category. Contrary to widespread opinion, thermoelectric actuators are not wear-free and must be replaced every year. This is why earlier versions of expensive KNX actuators (i.e. devices that combine the KNX actuator and actuator) have not caught on and are increasingly disappearing from the market. It is therefore a question of long-term cost efficiency to separate the technology from the positioning drive and the actuator. The actuator is parameterized using the Engineering Tool Software ETS.

 


TIP

The ETS parameter 'Flush' helps to minimize wear on rarely used valves. This function prevents the heating valves from calcifying too quickly.


 

This KNX software is manufacturer-independent and is required to develop and configure individual controls for building automation. That means: The actuator opens and closes the actuators according to the programmed specifications.

What should I look out for when buying an actuator?

Reliable working actuators are the key to the correct and efficient operation of the entire heating system. When selecting thermoelectric actuators, you should pay attention to the following points:

  • The drives must be compatible with the rest of the heating system. Check that these match the valves. An important parameter here is the so-called stroke, which is usually specified in millimeters. The stroke of the actuator must match the closing dimension of the valve. If the stroke is too small, the actuator will not fully open or close the valve (depending on the NO or NC variant).
  • Decide on a normally open or normally closed variant.
  • Pay attention to the power supply. Here we distinguish between 24 volts and 230 volts.
  • The power consumption of the drive should be as low as possible and not exceed 5 watts.
  • Opening and closing a valve takes time. High-quality equipment offers opening and closing times of less than 3 minutes.
  • The actuator should have an easily recognizable status display so that the current status can be easily read.

 

Source: eibabo®, ABB TSA/K 230.2 thermoelectric actuatorImage: ABB TSA/K 230.2 thermoelectric actuator

In addition to thermoelectric actuators, we offer you the following products:

  • radiator valve drives
  • Actuators including binary inputs
  • electromotive actuators
  • Radiator control drives
  • Wireless actuators with and without room temperature controller
  • Radiator thermostats
  • straight valves
  • valve adapter
  • Receiver for heating actuators
  • and many more

 

Well-known brand manufacturers in our range include ABB, Busch-Jäger, Eaton, Gira, Hager, Heimeier, Issendorf, Lingg & Janke, Merten, MDT, Siemens, Somfy and Theben.

 

eibabo - technology store

 

Catalogue content:


In this eibabo® catalogue Installation bus systems > Actuating drive for bus system you will find items from the following product groups:

Item overview:

  • Actuator
  • Battery powered
  • Bus technology
  • Continuous control
  • Control valve
  • Energy efficient
  • Heater drive
  • Heating control
  • Heating controller
  • Heating technology
  • Radiator thermostat
  • Retrofit
  • Room temperature controller
  • Room thermostat
  • Temperature control
  • Temperature controller
  • Thermostat
  • Time profile
  • Valve drive
  • Wax cartridge drive


from the following manufacturers:

Manufacturer overview catalogue Actuating drive:

  • ABB
  • AVM Computersysteme
  • Busch Jaeger
  • Eberle
  • Eltako
  • FKR
  • Gira
  • Hager
  • Issendorff
  • Jung
  • Merten
  • Rademacher
  • Siemens
  • Somfy
  • Theben
  • WindowMaster
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