Water Heat Boiler: How to Select and Connect

To create comfortable conditions, the owners of mansions and apartments are increasingly striving for the arrangement of innovative warm floors, one of whose species is functions, due to the supply of water pipes under a certain way, heated to a certain temperature. In this case, it is important to competently pick up a water-mall boiler that meets all the requirements and suitable for specific conditions.

Requirements for boilers entering the system of warm floor

Boilers, which are one of the most important devices in a water heating system, must correspond to a number of requirements, the execution of which guarantees the duration of impeccable operation:

Power sufficient not only for heating the system when calculating the maximum load, but also having a normatively determined margin of safety;
Available installation algorithm;
understandable operating scheme;
resistance to a fairly wide temperature range;
Efficiency.

Features of electric boilers

According to the degree of autonomy, one of the key criteria, depending on which the boiler is selected, its electric variety is leading, due to the absence of combustible substances. Having automatic settings, it does not require human intervention, independently restoring the mode in cases of short-term power outage. It also attracts its reliability, compactness, affordable price.

Arrangement with such a boiler of a warm floor does not require expensive strapping, due to the initial water temperature, which is a coolant, 25 ° C. It is enough to mount the collector to connect several contours.

Water Heat Boiler: How to Select and Connect

Air connection to the boiler

A modern electric boiler for warm water floor has three varieties.

Safe electrocallors operating on beans have already received recognition, since they have a fairly simple technical structure. The main weakness of this type of device is a small service life of the heaters, compensates for the lowest cost and simple replacement technology.
Electrode boilers are quite a new type of heating equipment, characterized by durability. Compared with the previous analogue, they are more capricious, since for impeccable functioning requires a certain composition of the coolant, which should be carried out. This is due to the principle of operation of such a boiler: between two electrodes under alternating voltage of 50 Hz placed in the liquid, the movement of ions begins with heat release. Positively charged particles move to the cathode, and the ions with a negative charge - to the anode. Electrodes per second change polarity 50 times, so the heating occurs quickly.
Induction models are based on heating the conductor placed in a magnetic field. The role of the core plays the hull of the boiler in the form of a labyrinth, according to which water flows. Such a device is reliable requiring only the control of the continuous presence in the coolant system. Limits the widespread use of induction boilers their high cost.

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Environmentally friendly, non-tiering atmosphere of home products of combustion, it is convenient to accommodate its placement by almost anywhere. The only difficulty can be the need for local wiring. Among the disadvantages there is an increase in energy consumption (consumption per 30 cubic meters of ≈ 1 kW / hour). In private households where frequent interruptions with electricity are possible, it is advisable to install a combined view providing for the version of the backup boiler with solid fuel.

Characteristic of gas models

Modern modifications of gas boilers must be equipped with electronically controlled temperature parameters, ensuring the safety of the system functioning.

In order for the automation and circular pump for warm water floors, in case of disconnection of the main supply of electricity, it is advisable to stock the local source. Several hours of operation will provide car batteries. In situations where there is a risk of frequent electricity outages for several days, you will have to purchase a diesel generator.

Compared to the electrical model, the gas boiler is a model of economy. The condensing appearance is characterized by a condensing type that receives integrated heat from fuel combustion (explicit energy) and from steam condensation (hidden thermal energy).

The principle of operation of the boiler is based on the circulation of the coolant according to the exchanger, in the process of which it is heated from the flue gases obtained by burning fuel. When the heat transfer of the heat is cooled, and at a certain temperature, condensate is formed, which causes the appearance of additional heat. Such a feature significantly increases the efficiency of heating equipment.

Gas boilers are perfectly functioning under conditions of uninterrupted gas flow, without requiring special methods for current maintenance. In the structures where the electronic mechanism for conducting the ignition of the boiler is provided, the functioning of the burner is regulated in accordance with the specified temperature indicators with the discharge of all malicious combustion products by means of forced ventilation. Boilers with piezorozhig, working automatically, the gas flow also stops if the flame went out, but the burning is restored manually.

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Connect to the gas boiler

To carry out the correct connection of water warm floor for the boiler, you should choose an autonomous room. The arrangement of such a system in a standard apartment will require qualified consultation.

Air connection to the boiler

The mounting algorithm includes a number of stages, given the correct connection of a water collector for a warm floor that serves as a guarantee of further impeccable work.

Installation on the selected reservoir place that serves for an important function of maintaining a cycle in a heated floor system, as well as for combining, if necessary with existing heating sources.
Accommodation in a recurrent pipe collector cabinet, which serves to direct the cooled coolant back to the boiler, and pipes feeding the heated water directly into the system. They are equipped with a shut-off valve, allowing water overlap in emergency situations.
Connecting to a metal valve through a compression fitting of the pipe leaving the gas boiler. It is also connected to the collector input. With the help of fittings, the contours of the heated floor are subsequently connected.
To ensure uninterrupted circulation of fluid on the feed pipe mounted pump. The most rational for impeccable functioning is its variety with the thermostat.
Trial system trial.

Connect to the heating system

The comfort of warm floors creating a uniform thermal background throughout the volume is difficult to overestimate. They acquire a special relevance in autonomous residential buildings, they also find application even in apartments, where there is an opportunity to equip local heating equipment, since the connection of water heating floor to the heating system coming from the central boiler room is prohibited for several reasons:

low quality heat carrier;
exposure to the effects of significant hydraulic resistance;
The risk of destruction of the elements of the system from hydrowards.

The use of its own heating system implies the presence of a mixing unit lowering the temperature of the coolant, since when heating the house, the liquid is heated to 75 ÷ 90 ° C, and for the floor is allowed ≤ 50 ° C.

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Collector - Air connection to the heating system

The sequence of work includes several stages:

Simultaneously with the sensor on the input pipe, the circulation pump is reliably fixed.
The mixing valve (preferably three-way) joins the warm tube of the heating system.
The output of the check valve installed on the output tube is connected, respectively, to the feed pipe of heating with a tap leading to the mixing valve.

Functioning of floors heated from the heating system

The liquid from the hot tube of the heating system passes with cold water to the desired temperature in the three-way mixing valve. Then, with the help of the pump, it is supplied to the heating, placed in the desired sequence, the contour of the floor. After passing the entire area and giving heat, one part of the fluid enters the cold tube of the heating system, and the other is absorbed for later use in the mixing unit.

The temperature sensor adjusts the parameters of the coolant, controlling the functioning of the three-way valve and the pump. By making a trial start after complete installation, the degree of comfort is estimated to be the achieved temperature temperature of the floor. If there are problems, the sensor is configured towards decreasing or increasing the initial values. You can adjust the three-way valve on the desired coolant feed.

Air connection to the central heating system

You can apply a two-way faucet or a supply valve with a thermal head equipped with a sensor that controls the opening intervals or closing the pipe supplying the heat carrier in the floor circuit. The hot water is not permanent in such a device, as in the previous case, but is carried out only in the interval when the crane is open. It is necessarily provided for by the presence of bypass, which is equipped with a safety valve, triggered if pressure becomes critical at the inlet to the collector. Part of the water is reset to the reverse highway, which prevents the floor overheating.