Connecting a heated floor to a thermostat: instructions on electrical work. Connecting an electric heated floor Connecting the br im cable to the thermostat

Modern homes are increasingly equipped with heated floors. After all, the availability of this heating method increases while maintaining high efficiency. Despite the simplicity of the design of heated floors, they can be called the most optimal option for heating a house or additional heating.

Heated floors can be of two main types by design: water and electric. Let's look at how an electric heated floor works and is connected.

Operating principle of heated electric floors is simple: they convert electrical energy into thermal energy due to the resistance of conductors. At the same time, the screed or tile warms up. It is these materials that are able to evenly distribute heat over the entire area and release it into the environment.

Heated floors powered by electricity have a fairly simple design and consist of the following main parts:

heating element (depending on the type, it may be a cable or a mat);
temperature sensor;
thermostat.

Many people think that installing a heated floor and connecting it to electricity is difficult. In fact, in its essence, this type of heated floor resembles ordinary wiring, which is laid in layers of screed or under tiles. For full operation, a regular outlet with 220 V alternating current is sufficient.

The connection diagram itself does not cause any difficulties - it does not even require special knowledge. But be sure to remember when working that this is an electric current, which, if handled incorrectly, can greatly harm a person, even leading to death. To prevent this from happening, you must strictly follow a number of rules when choosing and connecting.

The most important indicator that you need to focus on when choosing heated floors is their power. This criterion depends on the following points:

floor area that needs to be heated;
type of heating required (additional or main);
type of room where heating will be carried out (balcony, living room, office, warehouse).

The type of connection to the network and the presence of additional elements depend on the power.

When calculating a heated floor, you need to take only the usable area where a person is most often located. So, if this is a kitchen, then you don’t have to calculate the area under the furniture and refrigerator. When making calculations, it is imperative to determine in advance the location of all heating elements, since it will be impossible to change their positions in the future.

If you decide to use underfloor heating as the main heating, then the area allocated for it should be at least 70% of the entire room.

Specific power of heated floors and its calculation

Warm floors can be used both as the main source of heat in the house and as heating. For the first type, the calculation is approximately 150-170 W per 1 sq.m. Heating is calculated based on values of 110-130 W per 1 sq.m.

This indicator may vary slightly depending on the type of heated room. For example, rooms where people are constantly present must have very warm floors, and for this reason the calculated power consumption increases. If this is a kitchen or bathroom, then you can’t overestimate the values here, since residents spend little time in them.

Types of electric heated floors and thermostats

Now there are two types of electric heated floors:

cable or sectional;
mats, infrared film systems.

Each of these types has its own characteristics and is used in specific cases. So, if a warm floor is installed in a concrete screed, then it is better to use a cable type. Mats or film heating elements are best suited under the tiles.

Naturally, the main part of the heated floor is the heating element. But it works fully thanks to thermostat, which is the heart of the system.

It allows you to maintain the desired surface temperature. Buying a thermostat is not a problem: it can be either mechanical, with manual setting and temperature control, or fully automatic, with measurement of surface temperature, room air and selection of the most optimal parameters.

Connecting the thermostat to the system

Before connecting a heated floor, regardless of its type, you need determine the location of the thermostat. This device is used to maintain a stable set temperature indoors. In addition, the thermostat directly connects the heated floor to the network.

The thermostat is installed at a height of at least 1.5 meters from the floor and in places where it will be completely protected from high temperatures. This will allow you to take measurements as accurately as possible and set the desired floor heating.

Before connecting the thermostat, you first need to decide which method will be used to do this: power from the panel or use of an outlet. It’s worth noting right away that these two methods involve the additional inclusion of a circuit breaker in the circuit, which will trip in the event of a breakdown, overheating or short circuit. Its maximum shutdown power is selected depending on the type of heated floor.

In most cases, the connection diagram is indicated on the thermostat, which greatly simplifies installation without the help of electricians. If there is no diagram, then the following wires need to be connected to the following terminals:

1 terminal – network phase;
Terminal 2 – network zero;
3, 4 terminals – heating element cores;
Terminal 5 – timer;
6, 7 terminals – floor temperature sensor.

This distribution is standard, but it is worth understanding that different manufacturers may create circuits that require different connections. It all depends on the design and additional capabilities of the system.

Before connecting, you need to cut a small ditch in the wall. It will house two plastic tubes. In the future, the wires of the heating element will be passed into one, and the temperature sensor will be located in the second. Upon completion of these activities, you can begin installing and connecting the entire underfloor heating system.

Connecting a cable-type floor heating system

To connect a cable heated floor, you need to level the surface. Next, attach a damper tape along the wall and then lay thermal insulation. The cable can also be installed on an old surface, without a lining. The only condition for this is the presence of a heated room below. Before laying the cable, you need to stretch all the wires to connect to the thermostat.

Next, you can lay the heating element, having previously placed a regular mounting tape on the floor. This is done to keep the cable in the desired position and not move. The cable can be laid in any shape, the main thing is that it does not intersect with itself. The most effective and convenient installation method is the so-called “snake” - the cables are sold in rolls, already laid in the form of a coil on a mesh.

Having distributed the cable evenly, you can secure it. It is important that the edges do not reach about 10 cm from the location of the furniture or walls. Next, you need to install a temperature sensor, which is hidden in the tube mentioned earlier. Its location should be at a distance of 40-50 cm from the edge of the heating element coil.

This completes the installation of the cable and sensor. Using a tester, you need to check the resistance of the heating element. It must correspond to the passport data. Next, you need to fill everything with screed and wait until it hardens. You cannot immediately turn on the heated floor to dry it, as cracks will appear and the strength indicator will significantly decrease. All that remains is to simply connect all the wires to the thermostat and check the functionality of the system.

Connecting heated floors in mats

To figure out how to connect heated floors in mats, you don’t need to have a lot of knowledge and experience. The basic principle is approximately the same as that of the cable type. It is only worth noting some differences.

A thermal mat is a heat-resistant film onto which a heating element is attached. Since the pitch and shape of the installation are set during production, you will only need to calculate the heated area and power consumption.

When installing such heating, you need to lay out the mats on the surface according to the calculated area. Next, everything is filled with a thin concrete screed or glue is applied for laying tiles. A very important point is lack of thermal insulation. This can lead to system overheating and failure.

If the cold leads are not long enough for connection, just use a piece of mat. The coupling must be located inside the screed itself.

Connecting a film-type heated floor to the electrical circuit

Film-type warm floors are a relatively new invention. It is made of special heating film. Even the most experienced builders may have problems connecting this system. In order to do this without problems, you must definitely understand the film heated floor system itself.

The film heated floor system consists of special carbon and bimetallic heating elements, which are sealed in a special heat-resistant material. Copper contacts are located along the edges of the film. With their help, the device connects to the network.

The actual connection is made by soldering wires to the terminals and leading them to the thermostat. A special feature of the installation is the use of a substrate that has a foil surface. This solution allows heat to be reflected from the lower surface and completely directed to heating the floor.

The temperature sensor is installed, as a rule, in a special recess under the film itself, but options for its location on the surface are not excluded. This type can also be cut according to special marks applied by the manufacturer. They are located at a distance of up to 30 cm from each other. When the installation is completed, the sheets can be connected in parallel.

The main difference between a film heated floor is that it fits under any surface. The only exception is its installation under the carpet, since there is a high probability of damage to the integrity of the film.

The decision to install heated floors in the house has always been justified. It is convenient, practical and quite economical. And if there are children in the house, a warm floor will allow parents not to worry about them freezing and getting sick.

Warm floors are increasingly used in private houses and apartments. They help to obtain an optimal and comfortable temperature for a person. Stores sell both individual components for heated floors and ready-made kits. Installing a heated floor is not that difficult. A home handyman can handle this task. One of the most important installation stages is connecting the floor to the control system - the thermostat. We will tell you how to connect a heated floor to a thermostat correctly.

Warm floors can be water or electric. In water heated floors, the heating element is pipes with hot water supplied from the heating system. The power source for electric floors is the same, however, they are distinguished by the heating elements used: cable or film.

The heating element can be:

single or double core resistive heating cable;
thermal mats;
self-regulating cable;
heating film (bimetallic or carbon);
carbon rods.

Thermostat: purpose, types and methods of connection

The underfloor heating system is controlled via a thermostat. Manufacturers offer two types of thermostats:

Mechanical. The temperature that they want to maintain in the house is set using a mechanical rheostat.
Electronic. They work on the basis of a programming device. There are touch and button ones. The operation of the system through such a thermostat is initiated at a specified time and according to specified temperature indicators.

Thermostats are installed at a height of about 1.5 meters from the floor surface. The location for installing the thermostat must be protected from direct sunlight and any additional heat sources. The thermostat is connected permanently, powered from the electrical panel or through sockets already available in the room.

Typically, the manufacturer draws a connection diagram on the thermostat housing. This allows the home craftsman to connect this device himself.

Regardless of the type, thermostats are designed to control the following types of electrical heating elements:

Heating cable. This is a conductor with high resistance. It is placed in reliable insulation. When current passes, the cable heats up.
Thermal mat. This device uses the same high-resistance cable, but it is attached to a matte film with a predetermined pitch.
Special film, which emits infrared rays. The thickness of such a film is no more than 5 mm. A semiconductor flat heating strip is installed in its layer.

If heated floors are installed in several rooms, then it is more advisable to install thermostats on each heating circuit. This will protect the electrical network from overloads, allow you to use different operating modes for different rooms and turn on the systems independently of each other.

After installing the thermostat, a phase is supplied to the distribution box, and neutral and ground are also connected. It is necessary to make a groove in the wall into which plastic tubes are placed. The power wires of the heating cable are placed in one of them, and the wire from the sensor is placed in the other. The sensor is placed under the final floor covering. After this, you can begin installing and connecting the electric floor.

The difference between the connection diagram of a single-core heated floor and the diagram of a two-core one

Connection diagram for a heated floor to a thermostat

The heating floor connection diagram is selected depending on the type of floor.

Cable floor connection

Before installing the cable, the floor is leveled using one of the methods, depending on its type. Before laying the cable, it is necessary to stretch the power wires to the thermostat. The diagram below shows that the coupling after installation is completed will be in the floor screed. A mounting tape is laid out on the surface of the subfloor to help secure the cable. Most often, the cable is laid in a snake or snail pattern.

Please note! When laying heated floors, cable sections must not be allowed to intersect.

After laying the cable, a sensor placed in a plastic tube is installed. Using a special tester, the quality of installation and compliance of the cable resistance with the specifications is checked. The warm floor is ready for screeding.

Floor temperature sensor

Depending on the type of screed used, the floor is kept until completely hardened. Only after this can all wires be attached to the thermostat. Screw terminals are used for connection.

Connecting thermal mats

The principle of connecting thermal mats differs little from the similar process for a cable floor. Let's dwell only on the differences.

A thermal mat is the same cable, but fixed with a certain pitch on a heat-resistant film. This makes installation easier. The film with cable is laid out on the prepared floor base and filled with mortar or tile adhesive. After this, the finishing coating is installed. Thermal insulation is not used for this type of flooring to avoid overheating of the system.

When finished, this design has a thickness of no more than one and a half centimeters. To place the sensor in such a floor, you have to make a depression on the surface.

Sometimes there are not enough so-called cold ends to connect the mats to the thermostat. In this case, a piece of cable is cut out of the mat. The coupling is filled with a screed.

Installation of this type of floor provides significant savings in materials: thermal insulation, screed, fasteners. In addition, the amount of work is significantly reduced. Such a system has practically no restrictions in its use, since it slightly raises the floor surface and can be used in rooms with low ceilings.

Connecting a film floor

The basis of the film floor is carbon or bimetallic heating elements sealed into a heat-resistant film. Along the edge of the heating film there are copper conductors, with the help of which the system is connected to the electrical network.

A foil-coated substrate must be placed under the heating film, which will reflect infrared rays toward the room. In this case, a plastic tube with a sensor is placed in a recess made or attached to the surface of the film.

Connection diagram for infrared heated floor - standard installation

If necessary, the film can be cut along special lines. On the one hand, the conductive strips are insulated, and on the other, they are left open for connection to wires. The film strips are laid out and connected to each other in parallel.

This warm floor is the most versatile, as it can be installed under any floor covering.

Connecting a water heated floor

The circuit of a water heated floor is slightly different from an electric floor. First of all, you need to determine the connection method.

Connection to main heating. This method is used in apartment buildings. However, with such a connection, excessive heat consumption is possible, and you will leave your neighbors' apartments cold. You can avoid such problems in apartments where the heating is on the return line. In this case, you will get a comfortable, not too hot temperature in the underfloor heating pipes. The main disadvantage of this connection method is the inability to smoothly regulate the temperature in the coolant.
Connection to an individual heating system. This connection method can only be used in private housing construction. The connection diagram is shown below.

Connection diagram for a warm water floor

It shows the following circuit elements:

Control valve. This part receives a signal from a sensor installed on the floor surface. Once the system reaches the desired temperature, the valve closes.
Valve balancing device. This device does not allow the coolant to pass freely. If the coolant supply is turned off, the valve releases it in an economical circle, without the boiler.
Circulation pump. This device maintains a certain coolant pressure in the heating circuits.
Safety thermostat. Designed to control the temperature in the system. Installed on the coolant inlet pipe.
Electric drive. Controls the valves of all heating circuits.
The collector distributes the coolant among the circuits.
The bypass (manifold valve) is responsible for circulating water through a small circle of the system.
Thermostat. If necessary, there can be several of them, which allows you to set a certain temperature in each room.

Connection via hydraulic separator. A hydraulic separator is a container filled with coolant.

Warm floor with hydraulic separator

An important stage in the installation of a warm water floor is the installation of a water collector. All circuits of the system are connected to this device. The manifold design allows individual adjustment of pressure and temperature in each circuit.

Connection diagram for a heated floor collector in a private house

A warm water floor can be an additional source of heating or used as an independent option. In the first option, radiators are installed in the forward direction, and a heated floor is connected in the reverse direction.

The diagram below shows:

Circulation pump.
Heating radiators.
Boiler.
Storage tank.
Control device.
Stopcocks.

Connecting a heated floor using a combined scheme

Warm floors are increasingly used in the residential sector. This pleasure is not cheap, but by doing the installation yourself, you can save a lot. The advice from our website will help you perform competent installation.

Video: connecting a heated floor to a thermostat

Connecting a thermostat to a heated floor

In underfloor heating control systems, the role of the control unit is played by a thermostat - a device that processes information received from a temperature sensor and, in accordance with a given mode, turns the floor heating on or off.

With an electric floor heating system, thermostats are required to be installed. Installing a thermostat in a water heated floor system is not necessary. But, if the floor is an additional heating measure, and the coolant temperature at the entrance to the circuit is above 50 degrees, installing a thermostat will solve the problem of room overheating.

Types of thermostats

Thermostats for any underfloor heating system can be:

programmable, working according to a pre-established, including complex program;
without software control.

Changing modes on non-programmable thermostats is done manually, using a rotary control (mechanical adjustment) or buttons (electronic digital).

Programmable thermostats are more expensive and more difficult to control, but they can save significant energy resources by turning off floor heating or lowering its temperature at night or during the day when heating is not needed.

Mechanical non-programmable thermostats are controlled by simply turning the knob to the specified level. Electronic digital - using buttons, touch panel or remote control. The price of non-programmable thermostats is lower due to the extremely simple logical part.

According to the installation method, thermostats are:

built-in - they are installed in a special recess in the wall;
overhead - they are attached to the wall using screws or self-tapping screws.

The choice of installation type is a matter of taste, but it does not affect functionality.

Temperature sensors

The sensors are a thermocouple made of two wires that changes the resistance of the circuit when heated. The wires are connected to the corresponding terminals of the thermostat. Sensors are:

Remote sensors are divided into floor or air temperature sensors. The first ones are installed simultaneously with the laying of the heating elements directly under the finishing coating, the second ones - in a place convenient for measuring the air temperature. Built-in sensors are located right inside the thermostat. Some thermostat models have both types of sensors.

In the bathroom and kitchen, it is better to install thermostats with a floor temperature sensor - the air in these rooms can be heated by the stove or hot water, but the floor will remain cold.

Connecting a thermostat to electric heated floors

Electric heated floors are made using a high-resistance heating cable or infrared film. They are laid on a specially prepared base, after which the floor is screeded and the finishing coating is laid.

Thermostat connection technology:

Before installing the floor, it is necessary to determine the location where the thermostat will be located and plan its connection to the electrical network. To connect the thermostat, a voltage of 220 V AC is required, that is, you can connect it to a regular outlet or to a separate cable through a circuit breaker.
When laying the floor, choose a location for the temperature sensor. It should be located near the thermostat, on an area of the floor free from furniture.

For infrared floors, the sensor is placed on the reverse side of the film and connected to the wires going to the thermostat.
For cable heated floors poured with concrete screed, the sensor must be placed in a metal corrugated pipe, insulating it from concrete. This measure is necessary for easy removal and replacement of the sensor in the event of its failure. A sensor embedded in concrete cannot be easily removed. The pipe is led to the wall on which the thermostat is installed.
After laying the floor, begin installing the regulator. In the selected location, prepare a recess in the wall according to the dimensions of the built-in thermostat housing or make markings for attaching the overhead thermostat. Remove the front panel and secure the regulator in place.
Compare the permissible switching power of the thermostat contacts with the power of the heating cable or infrared floor. If it is less, additionally install a magnetic starter with a coil rating

220V. In this case, the heating cable circuit is connected to a 220 V power supply through the contacts of the magnetic starter, and the starter coil circuit is connected to the output from the thermostat.

If the switching power of the thermostat contacts is sufficient, then the heating cable is connected directly to the output from the thermostat.

Connect the sensor circuit to the terminals specified in the passport or instructions.

Connect the 220 V power supply to the appropriate terminals: they are usually designated as L or F - phase and N - zero. Phasing must be observed. You can determine it by the color of the wire: if the cable is new and laid according to the rules, then the phase wire has black, brown or white insulation, and the neutral wire has blue insulation. If you connect the thermostat to a common outlet, the phase is found using a voltage indicator or an indicator screwdriver.

Check the functionality of the thermostat:
220 V power supply;
Set the minimum temperature value on the thermostat;
Turn on the floor heating with a toggle switch;
Change the temperature mode to maximum by turning the knob or using buttons - a click should be heard, notifying that the heating circuit is closed.

Connecting a thermostat to water heated floors

Thermostats for water floor heating systems are a device for controlling a servo drive that regulates the flow of coolant into the heating circuit. They can be either electronically or manually controlled, while such control systems usually use sensors for measuring air temperature rather than floor temperature, due to the high inertia of heating.

The sensor is installed at a height of approximately 100-120 cm above the floor level on the wall, possibly next to the thermostat. The wall should not be subjected to additional heating from heating radiators.
Install the power supply circuits of the thermostat and the sensor circuits.
If a thermostat with electrical connection with a servo drive is used, lay a cable to its control circuits.
When using a radio-controlled controller, adjust it.
The operation of the control system is checked using an external thermometer: the desired mode is set on the regulator and the temperature is measured at the location where the sensor is installed for several hours. The temperature should not fluctuate significantly.

All work on connecting electrical circuits must be performed with the circuit breaker turned off - this is the key to your safety!

Connecting an electric single-core cable heated floor to a thermostat

The temperature regulator is an important element of any electric heated floor. It allows you to increase the efficiency of the entire system and significantly reduce energy consumption. The installation diagram of this device is quite simple. Even a non-specialist who has basic skills in working with electrical appliances can install it.

Single-core heating cable for underfloor heating

How does a thermostat work?

The main purpose of the thermostat is to maintain stable operation of the electric heated floor. Depending on the specified parameters, it turns the heating elements on and off at a certain time. This action allows you to reduce energy consumption without compromising the quality of heating. The temperature controller receives information about the system using a special sensor. It is installed inside the structure, where it records changes in the specified temperature regime.

Connecting a heated floor to a thermostat

There are the following types of devices for regulating the operation of an underfloor heating system:

mechanical. It works thanks to the presence of a special mechanical rheostat that controls the temperature of the heating system;

Mechanical thermostat IMIT-TA3n

Color schemes of the thermostat for heated floors Thermoreg TI 970

Programmable thermostat Menred E51

Preparatory work

Scheme of cable heated floor with thermostat

Before installing a thermostat, sensor and other elements of the system, it is necessary to calculate the number of devices of this type that will ensure the efficient operation of the heated floor. If underfloor heating is provided for the entire house, then it is recommended that each room be connected to the electrical network independently.

Also, for different circuits it is necessary to install a separate thermostat. This approach will allow us to obtain a more efficient system, where certain operating parameters can be set in each room.

Before installing the temperature controller, you must carefully inspect its body and read the data sheet. Usually the manufacturer describes the installation diagram in detail. You need to understand that the power cable can be connected to the device either directly through the electrical wiring or through an outlet. Manufacturers also recommend additionally using a separate circuit breaker when installing the thermostat. This will allow you to operate your underfloor heating more efficiently.

Installing a Temperature Sensor for a Cable Mat

The thermostat is installed on the wall near the electrical wiring. It is best to choose a place near an outlet, but where there is no direct sunlight. The installation height of the thermostat is about 1.5 m. A small recess is made in the selected area, which will allow the installation of the device box. You also need to make a groove in the wall where two plastic tubes will be placed.

They are intended for the power wires of the heating cable and the temperature sensor, which will be installed inside the heated floor structure. It is imperative to connect a phase, ground and zero to the thermostat box. After all the preparatory work, they begin to install the single-core cable.

How to connect a cable heated floor to a thermostat

Single-core cable installation

The installation diagram of the main elements of an electric heated floor is as follows:

If necessary, level the surface of the base.
Using adhesive tape, the heat-insulating substrate with foil coating is installed.

Laying a single-core heating cable, connection diagram

Connecting system elements to the network

After installing the temperature sensor, the heated floor is connected to the thermostat. The connection diagram for all system elements is as follows:

Thermostat design for heated floors

Network wires with a voltage of 220 V are connected to the first and second sockets of the device. The connection diagram must be strictly observed. Wire L (phase) is connected to the first socket. It is most often colored white, black or brown. Wire N (zero) is connected to the second socket. It is marked in blue.
A cable-type heated floor is connected to the third and fourth sockets. The connection diagram is as follows: the third contact is N (zero), the fourth is L (phase).
The fifth socket is intended for grounding. This cable is painted green.
The temperature sensor is connected to the sixth and seventh sockets. The principle of polarity in this case does not need to be observed. The sensor is connected in any order.

Connection diagram for single-core cable for heated floor Teplolux

Advantages of Urie thermostats

After these manipulations, it is necessary to set the maximum heating temperature that the cable-type heated floor should reach. The correctness of the actions should be confirmed by a characteristic click. It indicates the heating circuit is closed.

Features of connecting different types of underfloor heating

Depending on the type of heated floor, connecting its elements to the thermostat, including the sensor, is carried out in the following way:

when connecting a heating system that is formed using a single-core cable, you need to install the main white current-carrying wire to contacts numbered three and four. Both ends of the heating element are connected to the sockets. A green wire is connected to contact number five - grounding;
The two-core cable is connected to the same contacts, but according to a different circuit. Three wires come out of its end, where brown is phase, blue is zero, green is ground. They are connected in sequential order to each socket.

Connection diagram of the thermostat sensor to the heated floor

The principle of connecting all elements of the system to the thermostat and the electrical network is the same. Depending on the device model used, some features may appear during installation. In order not to make mistakes and do everything correctly, you should carefully study the instructions, which indicate each step. Also on the device itself is a schematic plan for connecting all the elements.

Video: Installation of single-core and double-core heating cables

Connecting the heated floor to the thermostat and the electrical network

Laying and connecting a heated floor is not a complicated process if we are dealing with its electrical varieties.
Unlike water floors, which are rather cumbersome to install, electric models are suitable for any room. There are practically no restrictions on their use. The arrangement of the system consists in the correct location of the heating elements. Then follows the connection of the heated floor to the thermostat and to the source of electricity. Features of the installation scheme depend on the type of heating element and the configuration of the room.

Types of electric floors

Electric floors have a common power source, but differ in the design of the heating elements. To find out how to properly connect a heated floor, you need to clarify what type of floor you plan to install.

The following can act as a heating base:

resistive heating cable (single or two-core);
self-regulating cable;
thermal mats (thin conductor laid on a mesh);
heating film (carbon or bimetallic);
carbon rods.

There is a different connection diagram for an electric heated floor for each of the above options.

When installing a cable floor, it is necessary to correctly calculate the laying step to avoid excessive heat generation or uneven heating of the surface.

Heating mats and film are purchased based on the manufacturer’s recommendations, which are usually indicated on the packaging.

Connecting the thermostat

Before connecting a heated floor (any of its electric varieties), you need to determine the location of the thermostat.
This device is designed to control the system and maintain the required temperature in the room. In addition, heating elements are connected to the network via a thermostat. The range of thermostats is quite wide - from simple mechanical devices to smart devices.

Types of thermostats

Thermostats with a built-in sensor that records the air temperature in the room should be installed at a height of at least one and a half meters from the floor surface and in places where they will be protected from heat sources (for example, direct sunlight).

Before connecting the heated floor thermostat, you should decide which of the two existing methods you will perform this operation. You can make a permanent connection from the electrical panel or use an existing outlet.

Most models of thermostats are equipped with a diagram, which is usually depicted on the body. This greatly simplifies the procedure and allows you to carry it out yourself, without the help of a professional electrician.

After the thermostat is installed, we connect the phase, as well as ground and zero, to the distribution box. We cut a groove in the wall to accommodate two plastic tubes. One of them is designed to accommodate the power wires of the heating cable, the other is for wiring the internal sensor, which will be located under the floor covering. When all these measures have been completed, you can begin installing and connecting the electric heated floor.

Installing a thermostat

Connecting the cable floor

First, we level the surface, then attach damper tape along the wall and lay thermal insulation. The cable can also be installed on the subfloor, provided that there is a heated room below. Before laying the cable, we stretch the power wires to the thermostat box (the coupling will eventually have to be located in the body of the concrete screed).

An example of installing a heating cable for a heated floor

Next, the installation and connection of the heated floor is done according to the following scheme: we place a mounting tape on the surface of the subfloor or thermal insulation. It is needed to secure the cable. The most convenient installation method is considered to be the so-called. snake

Important: when laying the cable lines must not intersect!

Fastenings on the mounting tape will help position the conductor evenly. After the cable is laid out, we install the sensor by placing it in the plastic tube described above. The final stage of installation is checking the quality of its implementation: using a tester, we make sure that the cable resistance corresponds to the rated value. Now everything is ready to pour the screed.

Installing a temperature sensor

Before connecting the electric heated floor, you need to make sure that the screed has hardened. When the cement-sand mortar becomes hard enough, we connect the power wires from the heating sections and the sensor, as well as the electrical wiring that powers the entire system to the thermostat using screw clamps.
This stage is the most difficult, so it will be best if it is carried out by a professional.

Connecting thermal mats

It is not difficult to understand how a heated floor made of heating mats is connected. The principle of operation in this case is the same as when installing a cable system. Therefore, it makes sense to talk only about the existing differences.

A thermal mat is a thin heating cable attached to a heat-resistant film. Since the laying step is predetermined, all that remains is to determine the area on which the system will be located and its specific power.

Applying screed to thermal mats

Before connecting the heated floor, the film with cable is placed directly on the rough concrete surface, filled with a thin layer of screed or tile adhesive and covered with the material chosen for finishing. The use of thermal insulation in this case is unacceptable, as it leads to overheating of the system.

The thickness of the finished structure is only one and a half centimeters, so to place the sensor you have to make a recess in the floor surface.

If the so-called connection is not enough to connect the heated floor to the thermostat. cold ends, then a part of the cable is cut out of the mat. The coupling is located inside the screed.

Since a heat mat is a type of heating cable, the installation of both systems is very similar. The difference is that with heating mats this work is done easier and faster. The lack of thermal insulation and a thin layer of screed makes it profitable to connect a heated floor; its price will be lower due to savings on materials and the amount of work. Another advantage is the ability to install the system in rooms that have restrictions on raising the floor height.

Connecting a film floor

One of the relatively new varieties of heated floors are models made from heating film. To understand how to connect a warm film floor, you need to understand the features of its device. The system consists of heating elements (carbon or bimetallic) sealed in a thin layer of heat-resistant material. Copper conductors run along the edges of the heating film and are connected to the network.

The film heated floor is connected according to the same scheme as the installation of thermal mats. The difference lies in the use of a special substrate, which is laid out over the entire insulated surface. For the substrate, a material coated with foil film is used. It has the ability to reflect infrared radiation and direct it into a heated room.

To install the sensors, a plastic tube is used, which is placed in a recess made in the floor. It is also possible to attach the device to the surface of the film.

The film, unlike mats, can be cut entirely. This is done according to the lines specified by the manufacturer. They pass along the surface at intervals of 20–30 centimeters. The conductive strips are insulated only on one edge, and the other remains open, since this is where the connection to the power wires will be made.

Film heated floor

The film sheets are laid out and connected to each other in a parallel manner. At the end, one wire of the pair is connected to the adjacent sheet, and through the other, the infrared heated floor is connected to the thermostat.

The versatility of film heated floors is that it is compatible with almost any coating. Laminate flooring is a particularly good choice. Carpet is the worst choice due to the high probability of damage to the film when pressure is applied to the floor surface.

Connection diagram for a heated floor to a thermostat: recommendations from experts

Recently, during the construction of private houses, heating systems began to include the so-called warm floor.

Typically, underfloor heating complements traditional hot water heating systems. boiler and batteries.

However, some owners of country houses completely switch to heating from below. This is explained by the fact that heating the home from below creates more comfortable accommodations.

When heating a home traditional batteries the warmest air accumulates near the ceiling of the room and slowly mixes with the cold air near the floor.

When heating from below the floor is always warm, and heated air is formed in the lower part of the room, where people are constantly present. Such a heating system not only creates comfortable conditions, but also allows you to save on heating costs.

Installation of heated floors is not difficult. Heating elements are placed on the floor before pouring the screed. After the cement-sand mixture has hardened, the screed is covered with a floor covering.

It remains to connect correctly heating elements to the energy source through a thermostat - and the heating system is ready for operation. Connection is the most critical moment of installation, so it is worth paying due attention to it.

Types of heated floors

You can heat your home from below in different ways. Currently using two types of heated floors:

In the first case, tubes are placed in the screed through which hot water circulates. In the second, there are electric heating elements that are connected to the household electrical network. Electric heating elements vary in design and materials:

heating cable made of one or two strands of wire with high electrical resistance;
thermal mat (a cable pre-attached to a mesh that serves as a frame when pouring the screed);
heating heat-resistant film, between the layers of which there are ribbons of heat-releasing semiconductor materials.

For each type of heating element there is own installation and connection system.

Types of thermostats

In a heated floor system it determines the temperature based on signals from a sensor located in the screed between the heating elements. This device then compares the sensor readings with the temperature set by the user.

If the temperature exceeds the set value, the thermostat turns off the heating. When the temperature drops below the set limit, the device turns on the current again. A household thermostat maintains temperature with an accuracy of ±1°C.

Distinguish two types of thermostats:

Mechanical equipped rotary handle, with which you set the desired temperature. The current in it is switched on and off by an electromechanical relay, which emits a characteristic click during operation.

In electronic thermostats no mechanical moving parts. Switching the current on and off is carried out by an electronic relay that does not make sounds. Some of these devices have push-button control and a liquid crystal display panel, which indicates the set temperature, the current temperature and the operating mode (heating or cooling).

The most modern thermostats are equipped with a touch-sensitive display and do not have buttons. Mechanical thermostats are not programmable. They constantly maintain the temperature set by turning the knob.

Electronic devices are divided into two groups:

without program control (maintain a certain temperature);
programmable (automatically change the heating mode during the day according to a given program).

Programmable Thermostats reduce heating costs regardless of the user's forgetfulness.

Connection diagram for thermostat for water heated floors

In urban apartment buildings Connecting a heated floor to central heating is quite difficult. This is only possible on the return pipe, because the water in the pipe coming from the boiler is too hot. In this case, it is almost impossible to regulate the temperature in the rooms, since the heating of the coolant depends on the operation of the boiler room.

In a private house with an individual heating system, water from the boiler is distributed according to a collector scheme: from a common pipe, water flows through separate pipes into each room, and then on the way back to the boiler it is also collected in a return collector.

The water supply to each pipe is regulated separate valve, which opens or closes depending on the readings of a temperature sensor installed on the wall in each room.

Thermostat installed in the boiler room. Control commands coming from it actuate the servos of the coolant distribution valves. The water heated floor system is quite complex, so only a specialist can install and adjust it independently. Installation and connection of electric heating is much simpler.

Connection diagram of an electric heated floor to a thermostat

First you need to choose, how the system in each room will be connected to the intra-apartment network. It can be connected to a common panel or in each room to the nearest outlet. More often they choose a connection to an outlet, since in this case additional communications are not needed.

Thermostat is installed on the wall, on which sunlight does not fall so that the device does not overheat. The distance to the outlet should be minimal.

Subfloor before cable laying need to be isolated from the heat. To do this, polypropylene sheets laminated with lavsan are laid on it. If there is a heated room below, thermal insulation is not needed. A single-core heating cable is placed on the mounting tape like a snake, a double-core heating cable is placed like a snake or a spiral.

When laying the cable is fixed on the mounting tape. After this, the tester checks the resistance of the conductor. It must correspond to the value specified in the data sheet.

Between turns power cable, lay and secure the cable with the temperature sensor in a corrugated plastic tube with a plug. It also should not intersect with the power one. The conductors are connected to the thermostat through a groove in the wall.

Power cable and sensor cable connect to the thermostat according to the instructions described below, and then connect the thermostat to the network. This is necessary to test the performance of the system.

After turning on the thermostat you need to set the desired temperature and check whether the cable heats up. If the preliminary tests were successful, the thermostat is disconnected from the network, and the cables are poured into the screed. When the screed has completely hardened (for M400 cement after 28 days), you can connect the thermostat to the network and heat the room.

On the back of the thermostat there is a panel with 6 or 7 contacts. Contacts have symbols and are numbered. Connect the cables this way:

Using a screwdriver with an indicator, determine the contacts in the socket to which the phase and zero are connected. After this, the outlet is turned off.
The wire from the socket contact with the phase is connected to contact 1 on the thermostat panel with the designation L, and the neutral wire is connected to contact 2 with the designation N. Polarity must be observed. If a ground is connected to the Euro socket, then its contact is connected to the ground contact in the thermostat.
A single-core heating cable (white conductor color) is connected to pins 3 and 4. Polarity is not important in this case. The green wire is connected to the neutral terminal of the network or to the ground terminal, if there is one.
Thermostats are produced with built-in and remote temperature sensors. Built-in is mounted into the body of the device. An external temperature sensor is sold complete with it. It is poured into the screed and connected to contacts 5 and 6 of the thermostat. The polarity is not important. Some thermostats have reverse numbering of contacts, but the designations for devices are also indicated.

Slightly different from solid two-core cable connection. It has conductor terminals on one side only.

Twin cable It is convenient to lay both with a snake and a spiral.

Inside it are three conductors with different colors. Brown and blue are current-carrying. They are connected inside the cable. Green is grounding.

Join them Thus:

Brown the wire is connected to pin 3 (phase marked L).
Blue the conductor is connected to terminal 4 (zero marked N).
Green connect to the neutral contact of the network (in our example 2) or to the ground contact, if there is one.

After connection and installation thermostat in the wall, turn on the current, set the operating mode and monitor the operation of the system. The operation of a mechanical device is signaled by relay clicks. The electronic thermostat displays the set and actual temperature, as well as the heating mode, on the display.

Infrared heated floor differs in some installation features. It is laid on foil-coated polypropylene, which is placed with the foil facing up. The foil layer reflects infrared rays into the room.

Strips of infrared film are laid end-to-end on a layer of thermal insulation and their contacts are connected in parallel. Infrared film do not pour into the screed, and covered with laminate. The connection to the thermostat is the same as for other types of underfloor heating.

The water heated floor has a complex adjustment system and is installed simultaneously with the installation of an individual heating system. Install it yourself without special knowledge and skills it is impossible.

Electric heated floors are sold as a kit for self-installation. His easy to install and connect, following the instructions.

How to install and connect an electric heated floor to a thermostat, watch the video:

How does a thermostat work?

There are the following types of devices for regulating the operation of an underfloor heating system:

mechanical. It works thanks to the presence of a special mechanical rheostat that controls the temperature of the heating system;
electronic. The operating temperature of the cable heating elements is set using an electronic relay;
programmable. They work based on a given program. It controls the process of turning the heating elements on and off at a certain time.

Despite the difference in the design of devices of this type, their connection diagram is no different.

Preparatory work

How to connect a cable heated floor to a thermostat

Single-core cable installation

The installation diagram of the main elements of an electric heated floor is as follows:

Connecting system elements to the network

After installing the temperature sensor, the heated floor is connected to the thermostat. The connection diagram for all system elements is as follows:

Advantages of Urie thermostats

Features of connecting different types of underfloor heating

Depending on the type of heated floor, connecting its elements to the thermostat, including the sensor, is carried out in the following way:

Video: Installation of single-core and double-core heating cables

Today, underfloor heating systems are becoming very popular, because they can be installed under different floor coverings, even under tiles. This heating can be used as main or additional. To maintain the optimal temperature, as well as for economical operation of the system, you need to install a temperature controller. In such a device, you can easily set the required air temperature in the room, which it subsequently controls itself. Since the installation process itself is not complicated, you can do it yourself. In this article we will describe in detail how to install a heated floor thermostat and connect it to a 220 V network.

Briefly about the temperature sensor

The set includes a thermostat and temperature sensor. occurs using a plastic corrugated tube. The sensor in the corrugation is placed in the screed.

New sensors have a programming function. Thanks to this function, the owner can set the temperature controller so that during his absence the heated floor will operate in economic mode. At the same time, a certain time before the owners arrive, the device goes into normal mode, thereby heating the room to the required temperature. Despite the fact that the cost of a programmable thermostat is more expensive than a regular one, it is better not to skimp on it, because it pays for itself in 2 seasons.

Choosing a location for installing the temperature controller

Before connecting the heated floor thermostat, you should select a suitable installation location. If you choose the right place in which the device should be placed, this will contribute not only to ease of use, but also the entire heating system will be able to work correctly. Therefore, when choosing where to install the thermostat on the wall, it is important to consider the following points:

The placement should be near an outlet.
The most optimal height for placement on the wall is 1-1.5 m.
If the device is located near the door, then you need to install it as follows: when the door opens to the right, the device is mounted on the left, and vice versa.
The sensor is not installed near window openings; the farther away, the better.

Preparatory work

Before connecting the temperature controller, be sure to pay attention to the instructions that come with it. The point that specifically addresses the installation of the sensor and the procedure for carrying out this work deserves special attention, because these processes differ from different manufacturers.

First, you need to remove the front panel and carefully disassemble the control mechanism; on simple models it is in the form of a wheel. To remove it using a screwdriver, you need to pry off the element, and then unscrew the screw that secures the front panel to the mechanism itself. Other models have special plastic latches that hold the front panel in place. To remove it, just press the latches with a screwdriver and it will snap off.

However, if you cannot remove the panel, you should not remove it using mechanical force. After all, in this way you can easily break the latches, and to solve such a problem you will just have to buy a new regulator. To avoid this problem, you just need to carefully study the instructions and try to remove the panel again, but in the correct sequence.

The next step is to purchase devices for installing a heated floor thermostat. The first thing you need to have is a corrugated pipe. Usually it comes complete with a sensor, but if the manufacturer does not provide such a kit, then it must be purchased separately. The ideal corrugation diameter is 16mm. In order to determine the required length of the corrugation, you should determine at what height the temperature regulator will be installed, and at what distance from the wall the temperature sensor will be located. Next, from the indicated height, using a tape measure, you need to measure the length to the sensor, which will be in the floor.

You will also need the following accessories:

mounting screws;
screwdriver;
mounting box (socket box);
indicator screwdriver, which can be used to determine the presence of voltage in the network;
level.

Connecting the thermostat to the mains

Connection can be made in two ways:

Connect through an outlet using a plug.
Pass a three-core wire in a pre-prepared groove from the thermostat to the outlet.

In order to connect the regulator in the second way, you need to install it under the socket. To do this, a hole is made for a regular socket box. Using a crown, a hole is drilled into which the box is installed. There are also special boxes in plasterboard; thermostats can also be installed in these boxes.

When connecting the temperature controller, you should pay attention to the contacts located on the back of the device; they are marked with three letters that indicate different wire colors:

L – phase, brown or red wire;
N – zero, blue or blue wire;
PE – grounding, yellow-green or yellow wire.

Usually the cable comes complete with a thermostat, the wire length is up to 3 meters. It is connected to a temperature controller and a temperature sensor.

For the entire circuit to work, you must connect a thermostat with a temperature sensor and a heated floor. Before connecting, make a groove from the temperature regulator to the floor and lay the wires using the diagram that is in the instructions. We talked about how to do this in a separate article.

So, you can connect the thermostat to the heated floor as follows:

Connect the temperature sensor to terminal numbers 1 and 2 of the thermostat.
The wire from the network must be connected to terminal numbers 5 and 6. The phase is placed on the fifth, and zero on the sixth.
The heating cable is connected to terminals 3 and 4.

Please note that the markings on the thermostat may be different and, accordingly, the connection diagram will be different (for example, the power cable will be connected to terminals 1 and 2).

It is also important to understand that not all houses have the opportunity to connect the regulator to a three-wire network, because many old houses do not have grounding. There are also single-core or double-core underfloor heating, this also affects the installation method.

Connection diagram for a heated floor thermostat with grounding and without a grounding wire:

The temperature sensor is installed under tiles or other floor coverings, so it should be installed in such a way that in the event of a malfunction it can be removed without damaging the floor covering. Despite the simple connection diagram for the thermostat, it is important to carefully read the instructions, because if the connection is incorrect, the heated floor will not work.

The video below clearly shows how to install a temperature controller and connect it to the network with your own hands:

This is the technology used to install a heated floor thermostat in the bathroom and other rooms. Now you know at what height to install and how to correctly connect the wires from the heating system and temperature sensor to the regulator.

It will not become a complicated process if we are dealing with the electric type. Electric models are suitable for any premises; there are almost no specific recommendations for their use. The whole point of how to connect a heated floor to a thermostat is the correct placement of the heating elements, using photos or videos. After locating the parts of the system, it is necessary to connect it to the thermostat and ensure the supply of energy to the circuits. But still, some features appear depending on the type of element and the purpose of the room.

What are electric floors?

Electric floors are powered by a single source, but differ in the type of heating elements used. In order to connect the heated floor as correctly as possible, you must first find out what type of floor heating was purchased.

The basis of a heated floor can be:

Resistive heating cable;
Self-regulating cable;
Thermal mats (represent a thin conductor laid on a mesh);
Heating film (bimetallic or carbon) and carbon rods.

Each type has its own scheme for connecting a heated floor with wires to a thermostat. The main idea of all connection methods is to calculate the step of laying the elements in advance to prevent them from overheating or insufficient heat generation. How to connect an electric heated floor according to the instructions is indicated on the packaging by the manufacturer.

Connecting the thermostat

Before connecting the heated floor, you need to determine the location where the thermostat will be located.

Thermostat (thermostat) is a device that controls the heating system and ensures that the temperature in the room is kept at the same level. Heating elements are connected to the network through a thermostat. Thermostats can be found to suit every taste and budget; the range contains both the simplest mechanical samples and highly intelligent computer devices.

The installation of a heated floor thermostat is carried out at a height of one and a half meters in places where it will not be influenced by heat sources, and a video can be recorded about a successful procedure.

Connecting the thermostat to a heated floor can be done through an electrical panel or a regular outlet, but before this process it is worth considering the location of the device and finally figuring out the connection method.

Many devices contain a connection diagram on the back.

The majority of devices have a connection diagram for a thermostat for a heated floor system on the body. This move greatly simplifies the connection process and allows you to do it yourself, without calling an electrician.

After installing the thermostat, phase, ground and zero are supplied to the distribution box. A channel is cut into the wall to accommodate two plastic tubes. One of the tubes will be the attachment point for the power wires of the heating cable, and the second will be for placing the internal sensor, which is placed under the floor covering.

After completing the installation of the thermostat, you can begin installing the heated floor, for which the electrical circuit used to connect the heated floor is used.

Features of cable floor

Before connecting the heated floor, the surface is leveled, a damper tape is attached along the wall and thermal insulation is placed. The cable can also be installed on a subfloor, provided that the room below is heated. Before connecting the heated floor, power wires are pulled to the box and the thermostat located in it (thus the connection coupling will be located in the concrete screed), to understand the drawing diagram, you can watch the video.

Scheme for laying cable heated floors in a room.

After this, the installation and connection of the heated floor to the network is carried out according to the following scheme: a mounting tape is placed on the surface of the subfloor or heat-insulating layer, which is necessary to fix the cable. It is very important to remember that when connecting the floor to the thermostat, the cables should not intersect.

Fasteners on the mounting tape can help ensure even conductor placement. After arranging the cables, we install the sensor, placing it in a plastic tube.

Before we proceed to connecting the heated floor thermostat, we check the quality of all work using a tester; you need to make sure that the cable resistance is the same as stated in the passport. If all is well, you can fill the screed.

Before connecting the heated floor, you need to make sure that the screed has hardened, and after final hardening, connect the power wires using screw-type clamps.

Connecting a heated floor to a thermostat using wires is the most difficult stage, so it would be a good idea to ask a professional electrician for help.

He can also tell you how to set up a heated floor thermostat with your own hands for its normal functioning.

Installation of mat flooring

An electric heated floor of a matte type is similar to its counterparts, and its connection diagram is completely the same as that of a cable one, with minor differences. A thermal mat is a fairly thin heating cable that is attached to a heat-resistant film. The laying step is preset by the film, so all we have to do is mark out the area for the system and determine the required power.

Before connecting the heated floors, the film with the attached cable is placed on a rough concrete surface, filled with a small amount of screed or tile adhesive, and then covered with finishing material. Under no circumstances should you use thermal insulation with such a connection, because this can lead to overall overheating of the system.

If there are not enough “cold ends” to connect the heated floor to the thermostat, then it is permissible to cut a short length of cable from the mat. The coupling will be located in the screed itself.

Thermal mat is a type of cable, and therefore the installation procedure for both systems is similar. The difference is that heating mats are easier to connect and much faster.

The absence of the need for thermal insulation and a small amount of screed make such a heated floor more profitable, and the overall price of a heated floor will be much lower, thanks to savings on materials and installation work. A big plus is the ability to install the system in rooms with low ceilings, and such a connection diagram for an electric heated floor is no more complicated than other types of floor heating.

Film floor installation

A fairly new model on the heating systems market is film heated floors. To have an idea of how film heated floors work, you need to understand the features of its design. The system itself consists of heating parts (bimetallic or carbon), which are sealed in a heat-resistant material. The edges of the film have copper conductors that connect to the electrical network.

The connection of a film-type heated floor is carried out according to the same scheme as the installation of heating mats. The difference lies in the laying of a special substrate, which is laid out over the entire surface that requires insulation. Typically, the substrate is any material covered with foil film, which reflects infrared rays, directing them into the room. The connection diagram of the regulator does not change, leaving the design of the heated floor still understandable even to beginners.

The film can be cut, but only along the lines specified by the manufacturer; they are placed on the surface of the film and have an interval of 20 to 30 cm. The conductive strips are insulated along one of the edges, while the other remains open, which is what is connected to the wires.

Pieces of film are placed and connected in parallel to each other. At the end of the work, one wire is connected to the adjacent sheet, and with the help of the second, the heated floor is connected to the thermostat.

Film flooring is universal in that it is compatible with most coatings. Laminate is most suitable for a film system, but carpet will be the most unsuitable due to the increased pressure on the film.