Danfoss heating battery regulator instructions for use. thermostatic elements

In many countries, up to 40% of energy resources are spent on the needs of ventilation and heating of buildings. This is several times more than in advanced European states.

The need to use

The issue of energy conservation is particularly acute, this is relevant against the backdrop of a constant increase in energy prices. One of the devices that saves thermal energy is a thermostat for radiators, its installation reduces heat consumption by 20%. To do this, the consumer needs to correctly select the design for the heating system, as well as carry out installation, you can find out about this by reading below.

Principle of operation

The Danfoss thermostat is designed to maintain a constant indoor temperature. For the first time such devices began to be used in 1943. The mentioned company is the market leader in the production and sale of such units. Structurally, the devices have 2 main elements, namely a thermal head and a valve, which are connected by a locking mechanism. The purpose of the thermal head is to determine the ambient temperature in order to regulate the effect on the actuator, the valve acts as the latter. It is designed to cover the flow of water that enters the radiator. This method of regulation is called quantitative, since the device can affect the flow of water that passes into the battery. There is another method, which is called qualitative, with its help the water temperature changes in the system. This is done by means of a temperature controller, namely mixing unit. This element must be in heating point or boiler room. The Danfoss thermostat has a bellows inside which is filled with a temperature sensitive medium. It can be gas or liquid. The latter type of bellows is easier to manufacture, but does not show such speed as gas counterparts, which is why the latter have become so widespread. At the moment the air temperature level rises, the substance that is in the enclosed space acquires a more impressive volume, the bellows, stretching, has an effect on the valve stem. The latter is moved down the cone, which is designed to reduce the flow area. This effectively reduces water consumption. When the air temperature drops, this process proceeds in the reverse order, and the volume of the coolant increases to the optimum limit, and this is how the Danfoss thermostat works.

Consumer reviews

Depending on what type of heating system is used, as well as what installation technology, thermal heads and valves can be used to control the flow of water. different combinations. If we are talking about a one-pipe system, then a valve should be used, which is characterized by increased throughput and low hydraulic resistance. According to users, the same recommendation can be applied in the case of a two-pipe gravity system, where the water circulates naturally and is not affected by forced inducement. If you decide to choose a Danfoss thermostat, you can also install it on a two-pipe system, which is equipped with a circulation pump. At the same time, according to reviews, the valve should have the ability to adjust the throughput. This adjustment is quite simple, and there is no need to use a special tool for this. After you have decided which valve to use, you should decide on the type of thermal head.

If you are interested in Danfoss - a thermostat, the installation instructions for which will be presented below, you can purchase it at an affordable cost. When determining the type of thermal head, you should be aware that it is offered for sale in some varieties. Thus, a thermoelement can be inside. Among other things, the temperature sensor can be remote. Sometimes the regulator is external. Devices are also programmable, in which case they are electronic. You can also choose an anti-vandal thermal head. According to users who have chosen a regulator with an internal sensor, this device should only be installed if it is possible to position it horizontally. Then the air in the room will freely flow to the body of the device.

For reference

After you have purchased a Danfoss radiator thermostat, you should familiarize yourself with the features of its installation in more detail. Thus, it is completely unacceptable to mount it on a radiator in a vertical position. In this case, the heat flow will constantly rise upwards, and the elevated temperatures from the supply pipeline and the housing will affect the bellows. Ultimately, you will encounter the fact that the device will not work correctly.

Customer reviews on choosing a thermostat

Home craftsmen especially emphasize that in some cases it is not possible to install the device horizontally. Then it is recommended to buy a remote temperature sensor that comes with a capillary tube. The length of the device is 2 meters. At this distance from the battery, it is recommended to place the device by mounting it on the wall. Buyers emphasize that the lack of the possibility of installing the regulator horizontally does not always indicate the need to purchase a remote sensor. There may be other objective reasons for this. The Danfoss thermostat, the principle of operation of which was described above, cannot be installed behind thick curtains, in this case, of course, the best solution would be to purchase a remote sensor. Among other things, such a need arises when a heat source is located next to the thermal head or hot water pipes pass. You can resort to this solution, and when the radiator is under a sufficiently wide window sill. In this case, the thermoelement may enter the draft zone. Buyers claim that if at least one of the above conditions is met, then it is best to purchase a remote sensor.

Installation instructions

The Danfoss thermostat, reviews of which are presented in the article, must be installed according to a certain technology. The first recommendation is the exclusion of mounting the thermal head on the heater within sight. Batteries whose total capacity is 50 percent or more of all that are in the same room should be regulated. Thus, when there are two heaters in the room, the thermostat should be on one battery, whose power is more impressive. If you are interested in Danfoss - a thermostat, the setting of which is quite simple, you can purchase and install it. The first part of the device, which is the valve, should be installed on the supply pipeline. If it is to be inserted into an already assembled system, the supply line must be dismantled. These works may involve some difficulties if the connection is made using steel pipes. The master will have to stock up on a tool for cutting the material.

Conclusion

A fairly popular company today in the market for relevant products is Danfoss. The thermostat (how to adjust it is indicated in the instructions) must be installed on the radiator. The thermal head is then mounted without using additional tool. It is very easy to do at home, in addition, it will save on the purchase of consumables.

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Danfoss thermostat - user manual

Installing a thermostat on a radiator is an opportunity to reduce heating costs, improve the microclimate in the house, as well as the careful use of earth's energy resources.

The motives may be different, but the solution is being implemented more and more often.

Many, choosing an equipment manufacturer, stop at Danfoss.

And not surprisingly, the products of a well-known brand are easy to find on the shelves of many stores.

The technology for the production of their thermostats based on gas-filled bellows is patented and is used in the company's own factories. If you also decide to purchase a Danfoss thermostat, the installation and operating instructions will come in handy.

The purpose of installing a thermostat is to maintain the temperature of the air in the house chosen by the consumer.

The design of the thermostat for radiators includes two elements that complement each other:

Thermostat (or thermostatic element).
Danfoss thermostatic valve.

The valve is connected directly to the battery, and a thermostatic element is installed on it.

The basis of the basics is the thermostat. It is he who reacts to changes in ambient temperature and affects the valve that blocks the flow of coolant.

Thermostat Danfoss

Inside the thermostat head is a bellows (a corrugated chamber capable of changing dimensions) filled with gas. The gas, depending on the temperature, changes its state of aggregation (it condenses when cooled). This leads to a change in volume and pressure in the chamber. The chamber decreases in size, pulls the spool rod behind it, which opens a larger clearance in the valve for the coolant to enter.

When heated, the reverse process of expansion and overlapping of the lumen occurs (the accepted standard is 2 V ° C excess of the air temperature above the set one).

When a comfortable temperature is set on the regulator scale, a certain compression of the tuning spring is set inside, which is interconnected with a certain gas pressure.

Danfoss manufactures gas-filled bellows as well as liquid-filled bellows. The latter are more inert, reacting to temperature changes more slowly.

Types and symbols:

RTS - liquid bellows;
RTD-G - gas bellows for one-pipe system, or two-pipe without pump;
RTD-N - gas bellows for two-pipe systems, and systems with a circulation pump.

Radiator thermostat DANFOSS RA 2991

There are also modifications of thermoelements, in which:

Protection against reconfiguration by random persons is provided (an excellent option for public institutions and children's rooms).
There is a remote temperature sensor connected by a two-meter capillary tube, which can be installed away from the radiator, buried in a niche or stuffed with furniture, which gives a more accurate measurement result.
With a temperature range slightly less than conventional sensors for integration into a system where billing is done.

Floor heating system

Thermostats are also used for floor heating systems. A thermostat for underfloor heating is a must!

After all, driving liquid into the floor circuit, you need to lower its temperature from 60 - 90 V ° C to a comfortable 35 - 40 V ° C (in this case, the surface of the floor itself will be about 25 V ° C).

Flow meters are powerless if the pressure in the system jumps, if the air is heated, for example, from the sun, and even if the tenants want to save on heating during their absence.

The thermomechanical regulator is best used for small rooms, about 10 m2.

For large areas use room thermostats with floor temperature sensors.

First of all, the valve is mounted on the radiator. To do this, the coolant supply is shut off.

Marking is done on the supply pipe. The section to be cut must be the same length as the valve body minus the threaded connections.
The heating pipe is cut, an extra piece is cut out.
With the help of a lerka, or a die, on outside cut pipe is carved.
The connection is processed with sanitary paste and fum tape.
The valve body is screwed onto the resulting thread.
Since the pipe cannot be twisted, it twists on the opposite side of the valve cap nut american, and then screwed (with a hex wrench) into the radiator shroud.
The body of the device is screwed into its own union nut through a rubber washer. This connection does not need to be sealed somehow, the main thing is that it be clean.
After the valve is installed on the radiator, the protective cap is removed from it (located perpendicular to the pipe).

The maximum temperature value is set on the thermal head, after which it is put on the valve with pressure (until it clicks).

Mounting the sensor

As already mentioned, a remote sensor is needed if the battery is built into the wall or is closed by something (furniture, screen, blackout curtains).

In one case of this element, a sensor and a tuning unit are combined.

It is best to place the device on an open (but without drafts) section of the wall, at a height of about 1.4 m from the floor. You need to avoid places near appliances that can greatly change the temperature of the environment - air conditioners, stoves, etc.
The device comes with a small mounting plate, which is fixed to the selected location with a pair of self-tapping screws.
A capillary tube is wound inside the sensor. She is pulled to desired length so that the device reaches the fixed bar.
The capillary tube is carefully fixed on the back of the valve.
The sensor is placed on the bar by a simple snap.

Setting a limit

Thermostats are based on physical laws. Therefore, you need to remember that the conditions in which the device is located can make some adjustments (for example, the distance from the heat source). There are indicative tables of correspondence between the regulator scale and temperature, which can be taken as a guide during installation. However, after the basic setup, you will need to “understand” your thermostat.

For this:

Set the temperature on the handle with marks.
An hour later, control measurements are carried out with a room thermometer at several points in the room.
If the temperature is higher or lower, the readings on the handle are adjusted.

Proportional band - 2 °C. If you set the temperature to 20 °, then the device will keep the readings in the range from 20 to 22 ° C.

Sensor after installation on the radiator

The two pins that are included with the sensor will help set the limits for the minimum and maximum position of the thermocouple.

They are located at the bottom of the device:

To set a limit at a mark, for example, "3", you need to pull out the limiter and set the sensor readings at the mark "3". Then the pin is inserted into the hole, which in this position is under the diamond icon.
The second limiting threshold is set in the same way. The handle turns to the desired indicator, only the pin is inserted into the hole under the triangle icon.

You can block the regulator at a certain temperature (protect against accidental failure or childish pranks).

For this:

Both pins are removed.
The handle is placed on the desired indicator.
In this position, the first pin is inserted into the hole located under the diamond.
The second pin is in the hole under the triangle.

Danfoss thermostats have many positive feedback. This is a very easy to use device that does not require any attention after the initial installation and configuration. But the result will be a more comfortable temperature in the apartment, and in some cases, significant savings budget funds.

The choice of thermostats for heating radiators

Thermoregulators installed on heating radiators allow you to increase indoor comfort, as well as significantly save on heating when it comes to a private house.

There are several types of devices on the market: electronic, mechanical, gas-filled, liquid, as well as with remote or built-in temperature sensors. Our material is devoted to how to choose and install thermostats, what you should pay attention to first of all.

Types of control elements

Danfoss electronic automatic thermostat

Installing a shut-off and control valve or valve in front of a heating radiator is a measure that serves not only to regulate the flow of water into the battery, but also the question emergency safety, since it becomes possible to disconnect the battery from the common riser, if necessary. Such a simple and important function was not always provided for in heating systems before, by the way, not all new houses have battery shut-off valves.

As locking and regulating elements are used:

ball valve,
cone valve,
automatic thermostat.

ball valve

This is the most minimal measure aimed at creating the possibility of emergency shutdown of radiators. This element performs only a locking function, since the design provides only two positions - “open” or “closed”.

Regulating battery heating with a ball valve is an inefficient practice, since a valve in the middle position is vulnerable to the destructive action of solid particles. The coolant circulating in the system contains suspensions, rust particles and other foreign small elements (this is especially true for heating systems of apartment buildings).

Gradually, the surface of the tap will collapse, notches remain on the shut-off ball, which means that sooner or later it will become unsuitable for performing its main function - locking, since the tightness will be broken.

cone valve

Allows you to control the flow of coolant into the radiator, so you can use it to adjust the temperature. In general, the installation of a manual cone valve in front of the battery is an inexpensive and functional solution.

The disadvantage in this case will be the complete absence of any markup for adjustment, you will have to independently determine how much the position of the valve should be changed, do not forget to return it to its original position, and so on.

Temperature controllers with thermostat

The most modern and comfortable solution is the installation of a thermostat in front of the radiator, which allows you to accurately control the degree of heating of the battery, and hence the air temperature in the room.

Types of thermostats

To date, two types of thermostats are used:

Liquid
Gas-filled

Thermostat design

The device and the main components of the thermostat

The radiator thermostat has two parts:

Valve
thermostatic element

The thermostatic element is a hollow cylinder, the walls of which are corrugated, this cylinder is called a bellows. The bellows is filled with a substance (water or gas) that can react to fluctuations in the air temperature in the room.

When the temperature rises, the volume of the working substance increases, presses on the walls of the bellows. The bellows moves the stem that closes the valve. The valve controls the amount of coolant entering the battery. When the valve stem moves, the coolant flow decreases.

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The photo shows the types of thermostats

If the air temperature in the room decreases, then the volume of the working substance decreases, it no longer stretches the bellows, thereby opening the valve and increasing the flow of coolant.

Bellows have a large margin of safety and working life; they can withstand hundreds of thousands of compression cycles over tens of years. (Danfoss reports that their bellows can last up to 100 years after 1 million cycles).

Gas-filled thermostats

Gas-filled thermostats are manufactured by the Danish company Danfoss (Danfoss), this is a reliable equipment that has a service life of over 20 years. The bellows system of the gas-filled thermostatic element, as mentioned above, is filled with gas, this allows you to smoothly control the air temperature in the room.

The sensor detects the ambient temperature. Each temperature corresponds to a certain level of gas pressure in the bellows, which is balanced by the compression of the adjusting spring.

As the room temperature rises, the gas pressure in the bellows increases and the valve cone shifts towards the closing side. This process continues until equilibrium is restored between the gas pressure in the bellows and the compression of the spring. When the air temperature in the room drops, the gas pressure decreases, as a result of which the bellows is compressed, and the valve cone moves towards the opening until the system reaches equilibrium.

Danfoss appliances

Examples of models of Danfoss automatic temperature controllers

Danfoss RTD thermostats are gas-filled devices.

This technique provides two significant advantages at once:

The gas condenses in the cold half of the sensor, which is further away from the control valve. In this case, the radiator thermostat will always detect temperature fluctuations in the room, and the influence of the water temperature in the pipe will be excluded.
The thermostat is very sensitive and is able to respond extremely quickly to temperature changes, so it controls the flow of heat into the room as efficiently as possible.

Danfoss produces two types of thermostats for radiators:

In addition, they can be straight or angled.

The type of regulator is selected based on the type of heating system in the house, and the size of the valve is selected according to the diameter of the pipe supplying the coolant or the diameter of the hole in the plug of the heater.

Valves type RTD-G in thermostats use:

For one-pipe heating systems;
For two-pipe heating systems in apartment buildings;
For two-pipe systems, without installation of circulation pumps, in cottages.

Valves type RTD-N in thermostats use:

For two-pipe heating systems in new buildings;
For two-pipe heating systems of cottages in which circulation pumps are installed.

Average prices for Danfoss thermostats (Danfoss)

The table shows the average prices at which you can currently buy thermostats for Danfoss (Denmark) heating radiators.

The model number and short technical description, the cost is indicated in rubles (may vary, depending on the exchange rate).

Thermostat modelTech. descriptionAdjustment range, accuracy 1 deg.Price, rubles

RA 2994	With gas-filled built-in temperature sensor	5-26	1520
RA 2992	With gas-filled remote temperature sensor	5-26	2320
RA 2920	With gas-filled built-in temperature sensor and protective cover against unauthorized intervention	5-26	2240
RA 2922	With a gas-filled remote temperature sensor and a protective cover against unauthorized intervention	5-26	3200
RA 2940	With gas-filled built-in temperature sensor, with overlapping function	0-26	1600
RA 5062	Remote control, with built-in liquid temperature sensor (2 m)	8-28	4720
RA 5065	Remote control, with built-in liquid temperature sensor (5 m)	8-28	5080
RA 5068	Remote control, with built-in liquid temperature sensor (8 m)	8-28	6200
RA 5070	Remote control, with built-in liquid temperature sensor (10 m)	8-28	6240
RA 5072	Remote control, with built-in liquid temperature sensor (12 m)	8-28	6880
RA 5075	Remote control, with built-in liquid temperature sensor (15 m)	8-28	7920
RA 5074	Remote control, with liquid remote temperature sensor	8-28	6720
RAW 5010	With liquid built-in temperature sensor	8-28	1440
RAW 5012	With liquid remote temperature sensor	8-28	2000
RAW 5110	With built-in liquid temperature sensor, with overlapping function	0–28	1520
FTC	With liquid remote temperature sensor for water temperature control in underfloor heating systems	15–50	4960
RA Plus	Programmable, with built-in liquid temperature sensor	8–28	8080
RAX white	With integral liquid temperature sensor. Design version, white (RAL 9010)	8-28	2160
RAX black	With integral liquid temperature sensor. Design version, black (RAL 9005)	8-28	2240
RAX chrome plated	With built-in liquid temperature sensor.Design version, chrome plated	8-28	2400
RAX steel	With built-in liquid temperature sensor.Design version, steel	8-28	3040

Mounting the regulator

The process of installing thermostats on a radiator in a house is not difficult, if you wish, you can do it yourself. If there is no experience or desire, you can always turn to professional installers.

Video instruction for installing a thermostat on a radiator using the Danfoss Living Eco automatic electronic regulator as an example:

The sequence of actions will be the same, regardless of the metal from which the batteries are made, the principle is the same for both aluminum and bimetallic radiators.

Removing the old collar

Installing a new collar

It is necessary to install a new set of a metal collar and a blind nut on a copper pipe, the old ones are dismantled. If the collar cannot be removed, then its parts are carefully cut out with a small screwdriver, after which they can be torn apart. Since you will have to work with a screwdriver and a hacksaw directly and pipes, you should be careful.

After completing the installation, set the desired temperature on the thermostat.

Usually for living rooms or passage rooms, the regulator is left fully open, for bedrooms it can be half closed. If there are different thermostat settings in different rooms of the house, then you should keep the doors to the rooms closed, otherwise the device will incorrectly determine the air temperature in the room and try to equalize it.

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Calculation of the required power of radiators and the number of sections

Which one to choose: gas or liquid?

This question is perhaps one of the most frequently discussed among consumers and installers. Technically, gas-filled bellows react faster to fluctuations in room air temperature. At the same time, liquid instruments are more accurate in transferring the internal pressure of the bellows to the moving mechanism.

Thus, it is difficult to answer unambiguously which bellows are better. When choosing, first of all, you should focus on the quality of workmanship, warranty and service life. This means choosing from trusted manufacturers, technical solution while it may be secondary in importance.

Benefits of Danfoss thermostatic controllers

Danfoss thermostats for radiators offer a number of advantages:
The body of the device has a modern ergonomic design;
High-quality and concise appearance will allow them to fit into any interior;
Thermostats can be installed on existing heating systems;
Do not need preventive maintenance or maintenance;
Not whimsical, can work in the conditions of domestic heating systems;
Has a long service life;
Provide precise temperature control in rooms (6-26 degrees);

Benefits of installing thermostats

Electric thermostat for heating radiator

When installing thermostats on radiators in a private house or cottage, heating savings of up to 20% are achieved. This happens by reducing the consumption of excess heat during periods when it is not needed - on warm and sunny days, during the operation of electrical appliances, etc.

The thermostat allows you to maintain a healthy microclimate in the premises, since the air does not overheat. It provides comfort in the house, protects from drying out. wooden furniture and prolongs the life of sensitive equipment.

For some types of fuel used in private houses and cottages (for example, diesel fuel), the cost of installing thermostats will be compensated for one heating season.

It is unlikely that apartment owners will be able to save money. But an important benefit will be a comfortable environment in the rooms.

Types of thermostatic elements

There are two types of thermostatic elements:

Thermostatic element with built-in sensor
Thermostatic element with remote sensor

Built-in temperature sensor

Remote temperature sensor

The built-in sensor requires free air circulation around it. This is necessary to prevent exposure to heat from the pipe. To avoid unwanted heating, the sensor is mounted horizontally.

remote sensor

The remote temperature sensor is used in the following cases:
If the radiator (respectively, the thermostat) is installed in a niche;
If the regulator is located less than 10 cm from wide window sill(more than 22 cm);
With a radiator depth over 16 cm;
If the axis of the thermostatic element is in a vertical position;
If the radiator is covered with thick curtains.

In these and some other cases, a remote sensor should be installed, since the built-in one will not be able to work correctly.

The sensor must be installed perpendicular to the radiator housing. Since in the case of a parallel installation, its readings will go astray due to the action of warm air rising from the radiator.

Conclusion

When choosing radiators, thermostats and the entire heating system, you should contact specialists. It is preferable to deal with professional companies, since they are legally responsible for the quality of the work performed and the equipment sold.

Not a small role is played by the warranty period and warranty service.

Savings when using the services of private individuals are often insignificant based on the results of all work, and the cost of eliminating the consequences of an accident in the heating system can be very impressive.

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domtechs.com

Thermoheads temperature controllers for radiators Danfoss

The heating system is one of the most important details any home. Unfortunately, it is on it that the greatest costs are spent during the payment of utility bills, and regardless of the installed autonomous or centralized heating. Thermostats installed on each radiator battery help to get a comfortable temperature and significantly reduce the cost of paying bills for consumed heat.

Principle of operation and design

Danfoss thermostats are essential for maintaining room temperature. In the process of operation, the thermostats monitor the change in temperature in the room, using built-in heat sensors. When the temperature drops, the thermal control system opens the coolant intake, increasing its volume and circulation inside the battery. After reaching the set temperature, the Danfoss thermostat reduces the supply of coolant, thereby reducing the heating temperature and energy consumption in the heater. The equipment consists of two main components:

The thermostatic element responsible for controlling the device.
Valves regulating the return of coolant to the radiator. Performing element.

A small corrugated cylinder is installed in the thermostatic element, filled with a liquid or gaseous component that reacts to the slightest change in air temperature. In some models, as a thermostat, is used metal plate made of a heat-conducting material, but Danfoss thermostats for heating radiators with gas-filled bellows are considered the most accurate. The temperature control system can be mechanical or electronic. Danfoss electronic thermostats for heating radiators are equipped with a small display to show information about the entered program.

Differences of some models

Depending on the model, the installed thermostats can be divided according to the principle of operation and design features.

Supported temperature ranges from 5 to 30℃.
Temperature measurement sensor option - it can be built-in, remotely controlled and programmable.
They differ in the type of installation - angular, straight, for the lower or upper type of connection.

The most popular are direct heat regulators to the Danfoss battery, their design allows you to connect batteries with bottom, top and side connections. The only thing to consider is the length of the shut-off valve and select the length of the installation pipes accordingly. The possibility of implementing any type of connection is carried out thanks to the rod located along the axis of the shank. The model designation for such equipment is RTD-N UK. The wide range of mounting options for the UK model allows them to be used in conjunction with Danfoss floor convectors. Corner thermostats are mounted directly on the coolant intake point by the radiator and require a minimum of additional installation work, do not take up extra space. Sensors such as RTD - N or RTD - G are marked, depending on the model. The increased throughput makes it possible to use the thermal valve in closed and open heating systems. Another type of temperature controller for Danfoss radiators is the version built into the radiator. Such equipment is widely used in compact devices located in niches close to the side surfaces. Often, built-in valves are equipped with remote thermostats.

Installing and configuring the sensor

When installing automatic thermostats for Danfoss radiators, you should strictly follow the instructions. It is not recommended to place the regulator head behind bulky objects, behind curtains or inside niches. This will result in skewed readings by obstructing the even flow of air around the sensor. If the installation of a thermal head for Danfoss RTD 3640 radiators or other similar models is not possible due to the hidden placement of the battery, an external remote sensor must be taken care of.

Despite the possibility of installing temperature controllers in almost any heating system, sharing them with cast iron batteries will not bring the expected results due to the slow cooling and slow heating of the battery.

The installation of the temperature controller should only be carried out by professionals, in order to avoid further problems and improper functioning. The temperature controllers for Danfoss radiators are set up once, at the beginning of each heating season. For proper adjustment, it is necessary to minimize the heat loss of the room, for which windows and doors are closed. Then a regular room thermometer is installed in the center and the shut-off valve of the thermostat opens as much as possible. After the temperature in the room begins to slightly exceed the one that you consider most comfortable for yourself, the valve must be completely closed. In the process of gradual cooling of the air, the temperature will begin to decrease, and as soon as it reaches the indicators you need, the thermostat can be gradually opened until the coolant is supplied to the system. Usually you can simply hear how water or another liquid heat carrier begins to circulate inside the radiator. For sensors equipped with electronic adjustment, simply select the desired heating temperature and fix it in the program. If necessary, the temperature can be easily changed directly during operation. After the end of the heating season, Danfoss radiator temperature controls are recommended to be left in the maximum open position, to circulate inside the valve and reduce the possibility of blockage.

Installing a thermostat on a radiator is an opportunity to reduce heating costs, improve the microclimate in the house, as well as the careful use of earth's energy resources.

The motives may be different, but the solution is being implemented more and more often.

Many, choosing an equipment manufacturer, stop at Danfoss.

And not surprisingly, the products of a well-known brand are easy to find on the shelves of many stores.

The purpose of installing a thermostat is to maintain the temperature of the air in the house chosen by the consumer.

The design of the thermostat for radiators includes two elements that complement each other:

Thermostat (or thermostatic element).
Danfoss thermostatic valve.

The valve is connected directly to the battery, and a thermostatic element is installed on it.

The basis of the basics is the thermostat. It is he who reacts to changes in ambient temperature and affects the valve that blocks the flow of coolant.

Thermostat Danfoss

When heated, the reverse process of expansion and overlapping of the lumen occurs (the accepted standard is 2 V ° C excess of the air temperature above the set one).

When a comfortable temperature is set on the regulator scale, a certain compression of the tuning spring is set inside, which is interconnected with a certain gas pressure.

Danfoss manufactures gas-filled bellows as well as liquid-filled bellows. The latter are more inert, reacting to temperature changes more slowly.

Types and symbols:

RTS - liquid bellows;
RTD-G - gas bellows for one-pipe system, or two-pipe without pump;
RTD-N - gas bellows for two-pipe systems, and systems with a circulation pump.

Radiator thermostat DANFOSS RA 2991

There are also modifications of thermoelements, in which:

Protection against reconfiguration by random persons is provided (an excellent option for public institutions and children's rooms).
There is a remote temperature sensor connected by a two-meter capillary tube, which can be installed away from the radiator, buried in a niche or stuffed with furniture, which gives a more accurate measurement result.
With a temperature range slightly less than conventional sensors for integration into a system where billing is done.

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You will find formulas and examples for calculating the ventilation of industrial premises.

You can read reviews on the efficiency of electric heating convectors.

Floor heating system

Thermostats are also used for floor heating systems. A thermostat for underfloor heating is a must!

Flow meters are powerless if the pressure in the system jumps, if the air is heated, for example, from the sun, and even if the tenants want to save on heating during their absence.

The thermomechanical regulator is best used for small rooms, about 10 m2.

For large areas, room thermostats with underfloor heating temperature sensors are used.

Mounting the thermostatic element

First of all, the valve is mounted on the radiator. To do this, the coolant supply is shut off.

Marking is done on the supply pipe. The section to be cut must be the same length as the valve body minus the threaded connections.
The heating pipe is cut, an extra piece is cut out.
With the help of a lerka, or a die, a thread is made on the outside of the cut pipe.
The connection is processed with sanitary paste and fum tape.
The valve body is screwed onto the resulting thread.
Since the pipe cannot be twisted, an American union nut is twisted on the opposite side of the valve, and then screwed (with a hex wrench) into the radiator drive.
The body of the device is screwed into its own union nut through a rubber washer. This connection does not need to be sealed somehow, the main thing is that it be clean.
After the valve is installed on the radiator, the protective cap is removed from it (located perpendicular to the pipe).

The maximum temperature value is set on the thermal head, after which it is put on the valve with pressure (until it clicks).

Mounting the sensor

As already mentioned, a remote sensor is needed if the battery is built into the wall or is closed by something (furniture, screen, blackout curtains).

In one case of this element, a sensor and a tuning unit are combined.

It is best to place the device on an open (but without drafts) section of the wall, at a height of about 1.4 m from the floor. You need to avoid places near appliances that can greatly change the temperature of the environment - air conditioners, stoves, etc.
The device comes with a small mounting plate, which is fixed to the selected location with a pair of self-tapping screws.
A capillary tube is wound inside the sensor. It is pulled to the desired length so that the device reaches the fixed bar.
The capillary tube is carefully fixed on the back of the valve.
The sensor is placed on the bar by a simple snap.

The microclimate in the house and air humidity are two inextricably linked concepts. for home and health, read about it in the article.

Which insulation for underfloor heating to choose, read. And also you will find general information about the installation of insulation.

Setting a limit

For this:

Set the temperature on the handle with marks.
An hour later, control measurements are carried out with a room thermometer at several points in the room.
If the temperature is higher or lower, the readings on the handle are adjusted.

Proportional band - 2 °C. If you set the temperature to 20 °, then the device will keep the readings in the range from 20 to 22 ° C.

Sensor after installation on the radiator

The two pins that are included with the sensor will help set the limits for the minimum and maximum position of the thermocouple.

They are located at the bottom of the device:

To set a limit at a mark, for example, "3", you need to pull out the limiter and set the sensor readings at the mark "3". Then the pin is inserted into the hole, which in this position is under the diamond icon.
The second limiting threshold is set in the same way. The handle turns to the desired indicator, only the pin is inserted into the hole under the triangle icon.

You can block the regulator at a certain temperature (protect against accidental failure or childish pranks).

For this:

Both pins are removed.
The handle is placed on the desired indicator.
In this position, the first pin is inserted into the hole located under the diamond.
The second pin is in the hole under the triangle.

Danfoss thermostats have many positive reviews. This is a very easy to use device that does not require any attention after the initial installation and configuration. But the result will be a more comfortable temperature in the apartment, as well as in some cases, significant savings in budget funds.

Related video

On this page you can find and download manuals for Automation, regulators, modules, thermostats,... Danfoss in pdf format.

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LLC "Promarmatura XXI century" offers the widest range of Danfoss products

The range of products includes: | | | | | | |
Danfoss is the world's largest manufacturer of radiator thermostats. Over the years, Danfoss has sold more than 300 million radiator thermostats worldwide, saving a million liters of fuel every day and preventing tons of carbon dioxide, sulfur compounds and other harmful substances from harming the environment. Radiator thermostats pay for themselves in less than two years, and with a typical lifespan of more than 20 years, they are a great opportunity to save money and energy.

Danfoss radiator thermostats are manufactured with built-in and remote sensors to ensure optimum performance; plus a wide range of valves and accessories make up our widest range of products.

Thermostatic elements of the RA 2000 series

Thermostatic elements of the RA 2000 series are automatic temperature control devices intended for completing RA type radiator thermostats. The radiator temperature controller is a direct-acting proportional air temperature controller with a small proportional band, which are currently equipped with heating systems for buildings for various purposes. The RA thermostat consists of two parts:

universal thermostatic element of the RA 2000 series;

control valve with pre-setting capacity RA-N (for two-pipe heating systems) or RA-G (for one-pipe system). The program for the production of thermostatic elements of the RA 2000 series includes:

RA 2994 and RA 2940 with built-in temperature sensor, frost protection for the heating system, temperature setting range 5–26 °C, device for fixing and limiting the temperature setting. In contrast to RA 2990, the RA 2940 thermocouple additionally has a function that ensures 100% overlap of the thermostatic valve;

RA 2992 - thermocouples with a remote sensor, protection of the heating system against freezing, temperature setting range 5–26 °C, device for fixing and limiting the temperature setting;

RA 2920 - thermocouples with tamper-proof housing, built-in sensor, frost protection, setting range temperatures 5–26 °С, a device for fixing and limiting the temperature setting;

RA 2922 - thermocouples with tamper-proof housing, remote sensor, frost protection, temperature setting range 5–26 °C, device for fixing and limiting temperature setting. RA 2992 and RA 2922 are equipped with a 2 m long ultra-thin capillary tube, which is located inside the remote sensor housing, connecting it to the operating bellows of the thermostatic element. During installation, the tube is pulled to the required length. Series RA 5060/5070 - a range of remote control thermoelements with protection of the heating system from freezing, temperature setting range 8–28 °C, device for fixing and limiting the temperature setting:

RA 5062 - with capillary tube length 2 m;

RA 5065 - with a capillary tube length of 5 m;

RA 5068 - with capillary tube length 8 m;

RA 5074 - with capillary tube length 2 + 2 m.

All thermostatic elements can be combined with any type RA control valves. The clip connection provides a simple and precise fastening of the thermocouple on the valve. The protective casing of thermoelements RA 2920 and RA 2922 prevents their unauthorized dismantling and reconfiguration by unauthorized persons. The technical characteristics of RA type radiator thermostats comply with European standards EN 215-1 and Russian GOST 30815-2002.

Technical data for thermostatic elements of the RA 2000 series

The main device of the thermostatic element is the bellows, which provides proportional control. The thermocouple sensor senses changes in ambient temperature. The bellows and the sensor are filled with a volatile liquid and its vapours. The adjusted pressure in the bellows corresponds to the temperature of its charging. This pressure is balanced by the compression force of the tuning spring. As the air temperature around the sensor rises, some of the liquid evaporates and the vapor pressure in the bellows rises. At the same time, the bellows increases in volume, moving the valve spool towards closing the hole for the coolant flow into the heater until a balance is reached between the spring force and the vapor pressure. When the air temperature drops, the vapors condense, and the pressure in the bellows drops, which leads to a decrease in its volume and the movement of the valve spool towards the opening to a position at which the equilibrium of the system is again established. The vapor charge will always condense in the coldest part of the sensor, usually the furthest from the valve body. Therefore, the radiator thermostat will always respond to changes room temperature without feeling the temperature of the coolant in the supply pipeline. However, when the air around the valve is still heated by the heat given off by the pipeline, the sensor may register a higher temperature than in the room. Therefore, to exclude such influence, it is recommended to install thermostatic elements, as a rule, in a horizontal position. Otherwise, it is necessary to use thermocouples with a remote sensor.

Selecting the type of thermostatic element

Thermostatic elements with built-in sensor

When choosing a thermostatic element, one should be guided by the rule: the sensor must always respond to the air temperature in the room.

Thermostatic elements with an integrated sensor must always be positioned horizontally so that ambient air can circulate freely around the sensor. They should not be installed in a vertical position, as the thermal effect on the sensor from the valve body and the heating pipe will cause the thermostat to malfunction.

Thermostatic elements with remote sensor

Thermostatic elements with a remote sensor should be used if: o thermoelements are covered with a blind curtain; o the heat flow from the pipelines of the heating system affects the built-in temperature sensor; o the thermoelement is located in the draft area; o vertical installation of the thermocouple is required. The remote sensor of the thermostatic element must be installed on a wall free from furniture and curtains or on the plinth under the heater, if there are no pipelines of the heating system. When mounting the sensor, the capillary tube must be pulled out to the required length (maximum 2 m) and fixed to the wall using the supplied brackets or a special gun.

Thermostatic elements of the RAW series

Thermostatic elements of the RAW series are automatic temperature control devices intended for completing RA type radiator thermostats. The radiator temperature controller is a direct-acting proportional air temperature controller with a small proportional band, which is currently used in heating systems of buildings for various purposes. The thermostat type RA consists of two parts: a universal thermostatic element of the RAW series and a control valve with a preset flow rate RA-N (for two-pipe heating systems) or RA-G (for a one-pipe system).

The RAW series thermostatic elements production program includes:

RAW 5010 - thermostatic element with built-in temperature sensor;

RAW 5012 - thermostatic element with remote temperature sensor;

RAW 5110 is a thermostatic element with a built-in sensor and a device for 100% shut-off of the thermostatic valve.

Thermostatic elements of the RAW series are equipped with devices for protecting the system from freezing, fixing and limiting the temperature setting. The RAW 5012 is equipped with a 2 m ultra-thin capillary tube, which is coiled inside the sensor housing and connects the remote sensor to the thermostatic element. During installation, the pipe is pulled to the required length. The clip connection provides a simple and precise fastening of the thermocouple on the valve.

The technical characteristics of radiator temperature controllers with thermoelements of the RAW series comply with European standards EN 215-1 and Russian GOST 30815-2002.

In order to prevent unauthorized dismantling, the thermocouple can be fixed to the valve using a special retainer (see Accessories).

Specifications of RAW thermostatic elements

The main device of the thermostatic element is the bellows, which provides proportional control. The thermocouple sensor senses changes in ambient temperature. The bellows and sensor are filled with a special temperature-sensitive liquid. The adjusted pressure in the bellows corresponds to the temperature of its charging. This pressure is balanced by the compression force of the tuning spring. As the temperature of the air around the sensor rises, the liquid expands and the pressure in the bellows increases. At the same time, the bellows increases in volume, moving the valve spool towards closing the hole for the coolant flow into the heater until a balance is reached between the spring force and the fluid pressure. When the air temperature drops, the liquid begins to compress, and the pressure in the bellows drops, which leads to a decrease in its volume and the movement of the valve spool towards the opening to a position at which the equilibrium of the system is again established. To exclude the influence of warm air from the heating pipe of the heater, it is recommended to install thermostatic elements, as a rule, in a horizontal position. Otherwise, it is necessary to use thermocouples with a remote sensor.

Thermostatic elements series RAW-K

Thermostatic elements of the RAW-K series - automatic regulators temperature with a small proportional band. RAW-K are intended for installation on thermostatic valves manufactured by Heimeier, Oventrop or MNG, built into the construction of steel panel radiators such as Biasi, Delta, DiaNorm, Diatherm, Ferroli, Henrad, Kaimann, Kermi, Korado, Purmo, Radson, Superia, Stelrad, Veha, Zehnder-Completto Fix. The thermostatic element of the RAW-K series has a liquid sensor with a temperature setting range of 8-28 °C and is equipped with a frost protection device for the heating system.

Danfoss produces 3 modifications of RAW-K series thermocouples:

RAW-K 5030 with built-in temperature sensor;

RAW-K 5032 with remote temperature sensor;

RAW-K 5130 with built-in sensor and 100% valve shut-off device.

The RAW-K 5032 is equipped with a 2 m long ultra-thin capillary tube, which is coiled inside the remote sensor housing, connecting it to the operating bellows of the thermostatic element. During installation, the tube is pulled to the required length. Thermostatic elements of the RAW-K series comply with European standards EN 215-1 and Russian GOST 30815-2002.

Electronic radiator thermostat Living eco

The Living eco® electronic radiator thermostat is a programmable microprocessor controller for maintaining the desired air temperature, mainly in residential buildings served by a water heating system. The thermostat is designed to be installed on the valves of radiator thermostats instead of traditional thermostatic elements.

Living eco® has programs P0, P1 and P2 that allow you to control the room temperature at different times of the day.

The P0 program maintains a constant air temperature throughout the day. Programs P1 and P2 can reduce the room temperature at certain times in order to save energy, allowing the heating system to adapt to the lifestyle of the people living in it.

The Living eco® thermostat is supplied with adapters for installation on thermostatic valves from Danfoss and most other manufacturers. The Living eco® thermostat is easy to install and set up, with only three buttons on the panel.

The Living eco® thermostat is equipped with an open window function that cuts off the supply of coolant to the heater in case of a sharp decrease in the air temperature in the room, which reduces heat loss and thereby increases the efficiency of the heating system.

The main characteristics of the thermostat:

ensuring energy saving;

ease of installation;

ease of setup;

maintaining a comfortable temperature;

"open window" function;

function of testing the valve in the summer;

PID control law, which ensures accurate temperature maintenance;

adaptive adjustment of the time to enter the operating mode after a decrease in temperature;

the ability to set different temperatures for weekends and weekdays, as well as up to three periods during the day;

long service life of one set of batteries (two years);

function of limitation of limiting (min./max.) temperatures;

childproof lock;

special mode prolonged absence during which the room long time not in use;

function of protection of system of heating against freezing;

backlit display;

autonomous food.

Preinstalled Programs

The program without the function of automatic temperature reduction - maintains a constant arbitrarily set temperature throughout the day. Energy saving program - reduces the temperature to 17 °C at night (22.30-06.00). The energy saving program can be changed. Extended energy saving program - reduces the temperature to 17 °C at night (22.30-06.00) and during the day on weekdays (08.00-16.00). It is possible to change the extended energy saving program.

The "long absence" function allows you to lower the temperature in the room when it is not in use. The period of absence and the temperature are set arbitrarily by the consumer.

The choice of programs and their adjustment are made in accordance with the instruction attached to the thermoelement.

Thermoelectric actuators TWA series

Thermoelectric mini-actuators of the TWA series are designed for on-off control of various control valves in heating and heat-cold supply systems of local ventilation installations.

The actuator is equipped with a visual travel indicator that shows whether the valve is in closed or open position.

TWA actuators, depending on the modification, can be used with valves of the RA, RAV8 and VMT series manufactured by Danfoss, as well as with valves from Heimeier, MNG and Oventrop, having a thread for mounting the actuator M 30 x 1.5. If the actuator is used with other types of valves, the valve must be checked for geometry compatibility and to ensure that it closes. The supply voltage of the electric actuator is 24 or 230 V. The valves can be normally closed in the absence of voltage (NC) and normally open (NO). In addition, the 24 V normally closed actuator is supplied with a limit switch (NC/S).

Thermostat valves with presetting RA-N and RA-NCX DN = 15 mm (chrome plated)

Control valves RA-N and RA-NCX are designed for use in two-pipe pumped water heating systems.

RA-N is equipped with a built-in device for preliminary (installation) adjustment of its bandwidth within the following ranges:

Kv = 0.04-0.56 m3/h - for valves DN=10 mm;

Kv = 0.04-0.73 m3/h - for valves DN=15 mm;

Kv = 0.10-1.04 m3/h - for valves DN=20 and 25 mm.

The RA-N and RA-NCX valves can be combined with all thermostatic elements of the RA, RAW and RAX series as well as with the thermoelectric actuator TWA-A.

To identify the RA-N and RA-NCX valves, their protective caps are colored red. The protective cap must not be used to block the flow of heat transfer fluid through the heater. Therefore, the handle (code no. 013G3300) must be used.

The valve bodies are made of pure brass with nickel plated(RA-N) or chrome-plated (RA-NCX).

The technical characteristics of the RA-N and RA-NCX valves in combination with the thermostatic elements of the RA, RAW and RAX series comply with European standards EN 215-1 and Russian GOST 30815-2002, and the size of the connecting thread - with HD 1215 (BS 6284 1984). All Danfoss radiator thermostats are manufactured in ISO 9000 (BS 5750) certified factories.

To prevent deposits and corrosion, RA-N and RA-NCX thermostatic valves should be used in water heating systems where the coolant meets the requirements of the Rules for the Technical Operation of Power Plants and Networks Russian Federation. Otherwise, please contact Danfoss. It is not recommended to use formulations containing petroleum products (mineral oils) to lubricate valve parts.

Adjustment to the calculated value is made easily and accurately without the use of special tools. To do this, perform the following operations:

remove the protective cap or thermostatic element;

raise the setting ring;

turn the scale of the setting ring so that the desired value is opposite the setting mark "o" located on the side of the valve outlet ( factory setting"N");

release the setting ring.

Presetting can be done in the range "1" to "7" in 0.5 intervals. In the "N" position, the valve is fully open. Installation on the dark area of the scale should be avoided.

When the thermostatic element is mounted, the presetting is hidden and thus protected from unauthorized changes.

Preset thermostatic valve RA-N with press fitting

The RA-N valve is designed for use in two-pipe water heating pump systems with copper or stainless steel pipelines. Special crimping tools are required to connect the valve nipple to the pipeline. valve body according to appearance and technical specifications identical to standard valves RA-N DN = 15 mm. RA-N can be used with all types of thermostatic elements of the RA or RAW series, as well as with special design thermostatic elements type RAX and thermoelectric actuator TWA-A.

The RA-N control valve is equipped with a built-in device for preliminary (mounting) adjustment of its capacity Kv in the range from 0.04 to 0.73 m3/h.

To identify the valves, the protective cap is colored red. The cap must not be used to cover the controlled medium. For this purpose, a special metal handle (code no. 013G3300) should be used. The valve body is made of DZR nickel-plated brass and the push pin is made of stainless steel. The pin does not require lubrication during the life of the valve. The gland packing can be replaced without emptying the piping system. RA-N should be used in water heating systems where the coolant meets the requirements of the Rules for the technical operation of power plants and networks of the Russian Federation. Otherwise, please contact Danfoss. It is not recommended to use formulations containing petroleum products (mineral oils) to lubricate valve parts.

High flow thermostatic valve RA-G

Thermoregulatory valve with increased throughput RA-G is intended for use, as a rule, in single-pipe water heating systems with pump circulation of the heat carrier that meets the requirements of the Rules for the technical operation of power plants and heat networks of the Russian Federation. The valve is not recommended for use if mineral oil impurities are present in the coolant.

RA-G is equipped with an oil seal that can be replaced without draining the heating system. The pressure pin in the gland is made of chrome steel and does not require lubrication during the life of the valve. All versions of RA-G valves can be combined with any thermostatic elements of the RA series.

RA-G valves are supplied with gray (for their identification) protective caps, which must not be used to shut off the heating medium flow. Therefore, a special metal service locking handle (code no. 013G3300) must be used.

Set of thermostatic fittings X-traTM for heated towel rails and design radiators.

The X-tra™ thermostatic kit is specially designed for heated towel rails. It consists of a thermostatic valve, thermostatic element and shut-off valve with drain function. The innovative self-sealing connection of the valves to the radiator is made with a 1/2 inch thread. Valves and thermocouple are available in white, chrome and steel versions and fit most towel warmers. This kit is the perfect ending to the heated towel rail. Attractive and compact design allows you to install the thermostat under the heated towel rail parallel to the wall, eliminating accidental hits on it.

The range includes two types of thermostats with various principles regulation:

RAX, which regulates the air temperature in the room;
RTX, which detects and regulates the temperature of the water leaving the heated towel rail. Used on towel warmers and adjusted 5-10°C above room temperature, the RTX thermostat provides a constant temperature for drying towels.

The thermostats have the same design, except for the numbers on the tuning scale: on RAX they are Roman, on RTX they are Arabic.

The valve assembly is a body with a double-sided self-sealing fitting, which has two sealing rings: one for sealing the connection between the fitting and the heated towel rail, the second for sealing the connection between the fitting and the valve body. The hexagon socket screw is used to seal the connection between the valve body and the fitting. If the O-rings do not fit the fittings on the heated towel rail, a traditional sealing material is used.

The Danfoss thermostat is a device that is widely used in various domestic as well as industrial heating systems. These samples are different high quality, accuracy and ease of use.

Let's study their features in more detail so that you also have the opportunity to use these perfect mechanisms for your systems.

Description and purpose

The Danfoss controller is a device that is used to control the room temperature. Such a device can be used in various heating systems, including those where water acts as a heat carrier.

The regulator allows you to manually control the operation of such a system, save heat, and also turn on and off the operation of all heating. The thermostat is used both in home networks and in closed ecosystems such as greenhouses, or in production. It is also used for the operation of refrigerators, air conditioners and other systems in which it is important to observe the temperature regime.

1.1 Design of Danfoss thermostats

Danfoss regulator, regardless of its design. It is a small chamber filled with gas or liquid. This liquid or gas, when exposed to temperature, expands, presses on the shut-off valve, as a result of which the flow of heating fluid to the radiator stops, due to which the system raises the temperature.

When the room is cooled, the liquid contracts and the reverse reaction occurs. Such a system of work is valid for all types of radiator, including products for refrigerators. By this principle almost all products of this manufacturer work, including Danfoss RTD and Danfoss RA lines, as well as many others.

2 Danfoss range of thermostats

Danfoss has a fairly wide range of temperature controllers. Currently, among its products are the following types of devices:

thermostats for design regulators of the model range 013G4001- 013G4009. Suitable for heated towel rails, as well as various sections of heating networks. Are issued in versions for right - and left-sided installation;

Danfoss RTD 3640 is a variety of models for heating systems. Designed for two-pipe standard system. Have RTD function of protection against freezing for the winter. This variety is suitable for domestic, industrial heating systems, but not for refrigerators. It has only 4 divisions, indicated by both Arabic and Roman numerals;

liquid-filled RAX models. This series is also intended for heated towel rails and design radiators. The model is applicable to most modern versions of design radiators, has divisions with both Arabic and Roman numerals;

All presented versions of thermostats are accompanied by a whole series of special accessories that simplify their installation and further use.

Almost all thermostats produced in this series are presented in three various options: golden, white, silver. You can choose the type that suits your system, the valve and temperature jackal work almost the same for them.

2.1 How to install a Danfoss thermostat?

The Danfoss regulator is mounted directly on the hot supply pipe of your heating system. Installation of any model, including RTD 3640, RA, is not difficult. In this case, you will have to work like this:

We disconnect the system from the total capacity, cut off the pipe of the required size for the installation of a thermostat. Without this step, the installation fails.
Using special devices, we make a thread on the existing pipe, on which the thermostat will be installed.
We process the area with sanitary paste, and already on it we attach the valve body RTD 3640, RA or any other.
We connect the device itself to the valve, tightening the connection with a washer. Additional sealing is not needed here.
We remove the fuse, set the thermostat to the maximum value of 5, then put a cap with a scale on it. It is important to install it until it clicks for the most tight and high-quality fit.
Once again we check the sealing of the system, after which we can connect it back to the general supply system. Let the valve open and close once, and you will be sure that the equipment is working correctly.

Installation of RTD, RA or other model is complete. Now you can freely use the device.

2.2 How to set up a Danfoss thermostat?

Setting up such a device as the Danfoss RTD, RA regulator is quite simple and accessible to all users. In order to implement it, you need to study the temperature scale available at the end of the device (it may differ slightly depending on which version you are using). Then set the temperature you are interested in by simply moving the pointer on the device to the parameter you need.

You can also choose intermediate values if they suit you. Within a few minutes, the valve will adjust to the desired position, and the temperature in the apartment will come to the desired parameter, and you will be able to enjoy the most comfortable microclimate for you. The valve is regulated in the same way for models for refrigerators.

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Danfoss heating battery regulator instructions for use. thermostatic elements

The need to use

Principle of operation

Consumer reviews

For reference

Customer reviews on choosing a thermostat

Installation instructions

Conclusion

Danfoss thermostat - user manual

Types and symbols:

Floor heating system

Mounting the sensor

Setting a limit

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Average prices for Danfoss thermostats (Danfoss)

Mounting the regulator

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Benefits of installing thermostats

Types of thermostatic elements

Built-in temperature sensor

remote sensor

Conclusion

Thermoheads temperature controllers for radiators Danfoss

Principle of operation and design

Differences of some models

Installing and configuring the sensor

Types and symbols:

Floor heating system

Mounting the thermostatic element

Mounting the sensor

Setting a limit

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Technical data for thermostatic elements of the RA 2000 series

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Electronic radiator thermostat Living eco

Preinstalled Programs

Thermoelectric actuators TWA series

Thermostat valves with presetting RA-N and RA-NCX DN = 15 mm (chrome plated)

Preset thermostatic valve RA-N with press fitting

High flow thermostatic valve RA-G

Set of thermostatic fittings X-traTM for heated towel rails and design radiators.

1.1 Design of Danfoss thermostats

2 Danfoss range of thermostats

2.1 How to install a Danfoss thermostat?

2.2 How to set up a Danfoss thermostat?

2.3 Danfoss thermostat and its types (video)

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