UPS for the boiler with their own hands

Comfort and wellbeing during the winter months depend on keeping your house warm and inviting. A dependable boiler system is essential to achieving this. But power outages can interfere with your boiler’s operation, depriving you of heat when you need it most. An Uninterruptible Power Supply (UPS) is useful in this situation. We will look at how to build a DIY UPS for your boiler system in this article.

Imagine a cold winter’s night when all of a sudden there is no power. When there is no electricity, your boiler shuts off, leaving you shivering in the cold as the warmth quickly evaporates. Your boiler will keep running smoothly even during power outages thanks to the backup power supply provided by a UPS. A UPS gives you peace of mind by offering a dependable source of electricity, ensuring that your house will always be warm and cozy no matter what happens outside.

Commercial UPS systems are widely accessible, but they can be expensive and might not always be suitable for your particular requirements. You can modify the system to fit your needs and budget by building your own UPS for the boiler. Assuring continuous heating in your house can be accomplished at a reasonable cost and with great satisfaction by building your own UPS with the appropriate supplies and tools.

Building a UPS for your boiler requires some basic do-it-yourself knowledge along with some electrical components. Typically, an inverter, a charging circuit, and a battery make up the UPS system’s core. When the primary power source is disrupted, the battery acts as a backup power source by storing electricity. The majority of boiler systems can use the AC power that the inverter produces by converting the battery’s stored DC power. The battery is kept charged and ready to supply power when needed thanks to the charging circuit.

UPS Model Materials Needed
Battery Backup System Lead-acid batteries, inverter, battery charger
DIY UPS Kit UPS module, battery, wiring
Power Inverter UPS Inverter, deep cycle battery, charger

Uninterruptible power supplies

An appliance connected to an uninterruptible power supply is shielded from high-frequency noise, power surges, and temporary power outages, among other issues, by this device. It can run on backup power for a brief while thanks to its built-in battery. The device has a lengthy service life, which is mostly dependent on how long the integrated battery lasts.

Depending on a number of criteria, select one of the three UPS types for a heating system.

  1. 1 Uninterruptible power supply of the "online" type – one of the most reliable today. It works with double conversion and stabilizes the voltage. If additionally there is no stabilizing device in the house, you can purchase this type of UPS unit. Regardless of what the voltage in the network is, it converts electricity into a constant, and then stabilizes the. The cost of such a UPS is quite high.
  2. 2 Line-interactive stabilizer is a medium cost device and one of the most reliable ones. It switches to stand-alone operation in case of mains failure, but it also contains a built-in stabilizer.
  3. 3 UPS of the "offline" type is the simplest of its kind. If there is a surge in the mains, it automatically switches to run on its internal battery.

Knowing the specifications of the boiler and pump as well as the requirements that UPS must meet are essential for selecting a device. Prior to purchasing, it is essential to:

  • Determine the upper and lower limits of the mains voltage and find out how often voltage drops and surges occur;
  • Determine the capacity of the heating system, which will be connected to the UPS;
  • Know what total time the uninterruptible power supply can work on the battery;
  • Know whether the house has an alternative power supply in case of an emergency, such as a diesel power station;
  • Determine how many additional devices can be connected to it and add their power to the total list.

Crucial! Purchase an uninterruptible power supply "offline" only if the quality of the electricity in the house is subpar or if it is frequently cut off. It frequently works on the battery, which causes it to break down rapidly.

When purchasing a UPS, the combined power of the devices shouldn’t be the upper limit. It needs to have a reserve of roughly 25% because when it is turned on, it briefly uses more electricity than is needed (at least three times).

Mounting the device

Connecting an uninterruptible power supply with your hands is a very realistic possibility. You will need an indicator screwdriver and a socket to accomplish this. Initially, the UPS output phase is ascertained. You must first turn it on in standalone mode in order to accomplish this. Subsequently, reconnect the device to the network and verify that the indicator has not changed once more. If not, everything is in order and the boiler can be connected.

It is advised to check it before connecting because many boilers are extremely sensitive to a phase connection gone wrong.

Only when the boiler is idle, or when the flame is not burning, is it necessary to check when the boiler is connected. To ensure complete protection of the heating system in the event of a serious issue with the house’s power supply, it is best to invest in a backup power source.

How to make a power supply with your own hands

Making an uninterruptible power supply yourself isn’t always reasonable, given the variety of models available, but it makes sense if you have everything you need on hand. The simplest method for creating a device based on a computer UPS, which stops accumulating energy after two or three years. Additionally, you’ll need some very serious accumulator batteries. Car batteries that are suitable include those from the "Kamaz" vehicle. Utilizing two batteries at once is preferable.

To begin, take out the old batteries and put in the new ones. You should be aware that the system you are assembling by hand will be extremely hot. Two fans must be fastened to the case from the side of the grate in order to cool them. It will be sufficient to use basic models that measure 8x8x2.5 cm to supply power to the heating system. An LED is used to control the on/off switch, and the connection will be sequential. Its leads are soldered in order to wind a tiny relay. The incoming "plus" of one battery must be soldered to any relay contact.

The procedure outlined above is used to check the heating system and power supply. In theory, building this model by hand is not too difficult. Most people are able to handle it.

A UPS is an essential device for the heating system, particularly in these days when the reliability of the power supply is declining annually. This issue is particularly pertinent during the winter, when the network is under more stress due to every home having heating systems.

(As of yet, no estimates)

Ibp for the boiler with their own hands

Uninterruptible boilers for boiler reliable heating

Boilers used for heating in modern times are more than just fuel burners. These are highly sophisticated technological systems, the majority of which depend on the electrical grid for power to function. Furthermore, in addition to the pumps that provide the water circulation in the system, the boilers are equipped with automation and control devices that not only use a small amount of electricity but also place a high demand on its "quality."

There are various methods to not rely on the availability of electricity:

  • Make the heating system energy independent. Not the most attractive option in the sense that such systems are not efficient enough and consume more fuel than analogs with automation.
  • To have two heating systems: one with automation, and as a backup – non-volatile. The idea is good, but expensive – one system costs a lot of money, and two – even more. But in some cases – in severe winters and frequent and prolonged power outages, it may be the only way out.
  • Make your own system more energy-independent with the help of uninterruptible power supplies – UPS (or UPS in English).

An uninterrupted power source for a boiler used for heating

These uninterruptible power supply units are widely known; practically all owners of stationary computers possess one, however they are not entirely appropriate for boilers. Their functions differ: an uninterruptible power supply for a computer’s primary function is to give you enough time to properly shut down the system. This may take up to five to fifteen minutes. The case with boilers is different; you require their operability for an extended period of time, up until the restoration of the power supply.

The requirements for the shape of the power supply also differ: UPS for computers often do not produce a sine wave (which is required by the boiler automation), but pulses with a cut top, more like a rectangular one. For the operation of boiler automation is important exactly the correct sinusoidal shape. Requires still matching in phase, which is not essential for the computer. Only with such a power supply the automatics and the boiler itself will function for a long time. In any case, this is what the manufacturers claim. Operational experience confirms this. In general, as an emergency output uninterruptible power supply for a computer is suitable, as a permanent – unlikely.

What kind of UPS

There are two types of uninterruptible power supplies: online and offline. Less expensive UPS off-line class; due to their peculiarities, they have a simpler structural design: they pass the power supply while it is in transit, provided that the network voltage is present and does not significantly deviate from the predetermined parameters. The network is disconnected and the batteries are connected in the event of a voltage loss or when one of the parameters reaches a threshold value. What is the drawback of? Because of this, neither the nominal value nor the shape of the voltage applied to the automation input are ideal. While it is undoubtedly preferable to nothing, trouble-free operation is not guaranteed.

The on-line class’s uninterruptible power supplies are permanently connected, resulting in a continuous main voltage transformation and "equalization" of characteristics. The voltage is converted twice for this purpose:

  1. input mains voltage is transformed into a constant 12 V,
  2. then it is converted back to alternating 220 volts and frequency of 50 Hz.

In order to stabilize the power supply parameters—a UPS of this type always produces an output of 220 V, frequency 50 Hz, and perfect sine wave—a two-stage conversion is required. Furthermore, the batteries in these devices are connected in buffer mode, which requires continuous recharging.

Which one is best for the boiler

Using uninterruptible power supplies is essential for system operation even in the event of a power outage. The most common malfunction, according to companies that maintain heating boilers, is automation failure brought on by power outages. Furthermore, the extent of the damage means that either a full replacement—which would cost at least $100 to $150—or the replacement of microprocessors—which might cost even more—along with the associated labor—are necessary.

A steady voltage that closely resembles the ideal sinusoid is necessary to maintain the automation’s and the boiler’s overall smooth operation. Regrettably, the characteristics of our power grids cause most equipment to malfunction and break down very quickly. Because the boiler has automatic control, it is therefore highly desirable to use a UPS. When it comes to gas boilers, this option can be considered the best because it meets all the necessary power supply requirements and offers an exact online class. as well as for diesel or electric solid fuel-fired automated systems.

Purchasing a UPS for your boiler off-line class makes sense if your home already has a common power stabilizer or if it will be installed portable right in front of the uninterruptible device. After the stabilizer has "equalized" the voltage, it is sent through the UPS, which may then connect the battery packs’ power supply if needed.

UPS types and their categorization

Determine the UPS power and battery capacity

The classification of the device is not the only factor in selecting a UPS for a gas boiler. The capacity needs to be chosen as well. In order to do this, the power of all the components that guarantee the heating system’s operation must be summed up (pumps, automatics, and gas removal turbines, if any). This is the ideal power in theory, but a reserve of at least 20–30% is needed for peak loads during system startup.

Heating boilers are energy-dependent devices, but they don’t use a lot of electricity—a boiler with a pump can use as little as 150 watts on average. This kind of boiler requires a 300 watt UPS to run on a single pump. In the event that the system has two pumps, a 400–500 watt device is required.

Instead of a meandering output voltage, an uninterruptible power supply for a gas boiler requires a sine wave.

There is a minimum number of batteries needed to guarantee the boiler will continue to operate for one to two hours in the event of a power line failure. It is evident that a battery’s guaranteed operating time increases with its capacity. However, factors like charger capacity and other UPS parameters affect the choice of battery capacity. Multiply the charge current by 10 to find the battery capacity that will charge your uninterruptible power supply. The battery that is being charged can have a capacity of 75 Ah if the charge current is 7.5 A.

Large batteries can be charged, but the result will be an incomplete charge that will cause the batteries to fail sooner. It is also not advisable to charge weaker batteries at high currents since this shortens their lifespan. Because of this, using high-capacity batteries is not always beneficial; in certain cases, the uninterruptible power supply’s boiler may even stop working. The battery is most likely not charged because there is not enough charging current, which results in no power being supplied.

You must choose the type of battery based on the remaining information. They can be liquid (conventional) or helium. Although helium batteries are more expensive by two to three times, they are more dependable and long-lasting (reliability and service life are not directly correlated with price). Whichever kind they are, since they will be used in or close to a living area, they should be maintenance-free and hermetically sealed. Purchasing traditional maintenance-free car batteries makes more sense in theory because they are less expensive even when they need to be changed more frequently (as opposed to helium batteries).

See the table below to find out how long you can guarantee your equipment will operate based on power consumption, battery capacity, and number of batteries.

Uninterruptor with your own hands. UPS, UPS do it yourself. Sine, sine wave. Uninterruptible power supply

Should you build your own UPS??

Does it make sense to build a UPS yourself?? Don"t know. There are kilowatt uninterruptible power supplies on sale for 30 tons. р. These products are unambiguously higher quality, reliability and energy efficiency than the homemade one. The cost of a homemade one, if you assemble it from ready-made units, is in the neighborhood of 20 tons. р. I built it back when there was nothing like it on the market. In any case, I share my experience. My UPS has been working perfectly for 8 years. Keep in mind that this is a device of constant operation. It doesn"t shut down when there"s mains voltage, it runs continuously. So it"s actually been running continuously for eight years. To change the circuit so that it automatically turns off and on, if you need it, is not difficult for a specialist who can assemble it. I use a continuous running device because I have several power-critical consumers in my house: computers, server, smart home system. Switching from mains to battery power causes a voltage surge, which is unacceptable.

If you choose to assemble an uninterruptible power supply from scratch, the parts will set you back 10 tons.

Δ The craft of designing electronic circuits the craft of designing devices. elemental foundation. Typical circuits. Devices that are already assembled. thorough explanations. online computation. The opportunity to pose queries to the writers

What can be powered by an uninterruptible power supply??

In my house, this product powers the "smart home" system, lighting, heating system circulation pump, diesel boiler, water supply pump, computers and TV set. All this, of course, does not work at the same time. The average consumption does not exceed 100 watts (my lighting is all energy-saving and the equipment is also of high energy efficiency class). There are also peaks of consumption. The UPS is rated for a maximum output of 1kW, which is enough for my purposes. Output voltage is sinusoidal. This makes it possible to power almost any household load of acceptable capacity. The efficiency of the uninterruptible power supply at 200W load is 70%.

UPS diagram and explanations

The scheme is shown in the figure. Pulse power supply for 28.8 V, 50 A purchased. Although it can of course be built yourself. I"m going to post a schematic soon, Subscribe. so that I don"t miss. It is important that this unit be of high efficiency and deliver exactly 28.8 В. This voltage allows batteries to be connected directly to the power supply without any adapters. A stable voltage of 28.8 V fully charges two car lead acid batteries connected in series, keeps them charged, compensating for self-discharge, but does not overcharge them. Batteries should be connected to the power supply exactly as shown in the diagram, at a minimum distance from the power supply, so that the voltage drop on the conductors at high currents does not affect their operation.

Please note that the power supply does not draw power from the battery when the mains voltage is disconnected. I often meet with such units, in which the fan is powered from the output terminals. Then at power off the fan will work from the batteries and drain them. Such a unit should be redesigned to power the fan using a different scheme. Keep in mind that fans are the most vulnerable element in the whole construction. They are the ones that break down, and their stoppage leads to overheating and failure of other elements. I use blocks with massive cooling heatsinks, without fans. This is what made it possible to operate the device for many years without interruption.

A meander (rectangle) with an amplitude of 310 V and a fill factor of 1 / (root of two) is produced by the inverter, which is also purchased. Manufacturers refer to this voltage as a modified sine wave for unknown reasons. I’ll also soon upload a schematic of a homemade inverter that I worked out.

Every low-voltage connection needs to be made using minimum-length wire that is sufficiently thick. These circuits have a maximum pulse current of 100A. I used stranded copper wire measuring 12 mm. Observe closely how the wires are connected to the batteries. Deposits of oxides, which have a high resistance and will hinder the device’s reliable operation, can form in the locations of these connections.

A homemade UPS’s poor efficiency at light loads is one of its drawbacks. About 100 watts are used by the uninterruptible power supply when it is idle, or not under any load. In 35 hours, the UPS depletes the batteries in the absence of any load.

The batteries should not be connected in parallel. It is impossible to guarantee that the batteries connected in parallel are loaded equally under heavy loads, and the loads in this case are heavy. The varying resistance of the wires and contact points on the terminals is the cause of this. As a result, only one battery will function and it will run out of power quickly.

Uninterruptible power supply operation and maintenance

Remember to keep a regular eye on the batteries’ electrolyte level. Nothing more needs to be done.

Uninterrupted home heating

  • The need for a UPS
  • Varieties of UPS
  • Selecting and using a UPS
  • Useful tips

The majority of heating systems have a variety of energy-dependent components. These are typically the heating boiler automation and circulation pump.

Floor heating scheme with a ready-made module.

If there is a power outage, the heating system as a whole shuts down.

How can we stop this from occurring? Uninterruptible power supply (UPS) devices will be helpful in resolving this issue. People often refer to these as uninterruptible power supplies (UPSs).

The need for a UPS

There are occasionally wire breaks and other mishaps on power lines. In this instance, the heating boiler’s automation is turned off. Boilers that are imported may never work again. The heat transfer medium overheats as a result of circulation disruption, causing all pumps to stop. This may cause the heating system to malfunction severely. You can attempt the following methods to save it during a power outage:

  1. Create a system that has no pump and does not depend on electricity. The coolant in such a system must circulate due to the gravitational force arising from the difference in density of the liquid in the supply and return pipes. Such a system requires the use of pipes of a fairly large diameter and is not very adjustable.
  2. An uninterruptible battery-powered generator can protect the heating system. In the event of a sudden power outage, the battery is automatically turned on. The system continues to operate. To work such a UPS requires an inverter, which converts DC voltage into AC voltage. All equipment can be installed in any room. The uninterruptible power supply does not require any maintenance. Only every few years you will have to change the batteries. The device works quietly, its cost is much lower than the price of any generator.
  3. A diesel or gasoline generator can be used to obtain electrical energy. This is neither the cheapest nor the safest way to do it. Voltage surges cannot be ruled out when the generator is running. They can damage the boiler control electronics. Generators have a fairly large capacity. A special room is required for their installation. These units make a lot of noise, emit a lot of exhaust gases, require constant refueling of the tanks with fuel.

Gas boiler heating systems perform well when an uninterrupted power source is used. However, the majority of customers are unaware that solid fuel boilers can malfunction when the power is out. UPS can also prevent them from being destroyed.

Returning to the contents table

Varieties of UPS

Diagram for floor heating pump wiring.

Different types of uninterruptible power supplies exist.

One example of the most basic model of these devices is the linear UPS. There’s no voltage stabilizer on it. The appliance is connected to the battery power supply separately when the mains supply is cut off.

A basic voltage stabilizer is included with line-interactive UPS systems. The output is a pure sine wave with parameters of 220V and 50 hertz when it is connected to the battery.

Twofold conversion A voltage stabilization system and a generator connection feature are features of UPS.

Appliances with line interaction operate at a lower internal voltage. They only require one to four batteries to operate. These systems keep an eye on the battery’s charge on their own. When there is 20% remaining in the battery, the load is disconnected. The devices switch over the power supply to accumulators in the event of a power outage. Each and every system is linked to the main power supply once it is restored.

For continuous non-volatile boiler operation, low-power CPS inverters with indexes of 2000 EI, 1500 PIE, 1000 EI, 1000 E, 1000 E, and 600 E are appropriate. It is preferable to pair CPS inverters with indices 7500 PRO, 5000 PRO, and 3500 PRO with energy-dependent boilers.

Return to the contents table

Selection and application of UPS

Diagram showing the KIV-1A’s connection to a surface centrifugal pump.

Natural gas is typically used as fuel for heating systems. An electrical supply that is steady and consistent is necessary for the gas equipment to operate stable. The heating system is shut off and the coolant cools down when there is an abrupt power outage. Burst pipes and radiators may result from this, potentially causing the entire heating system to fail. Uninterruptible power supply devices come in all shapes and sizes and can rescue the day. They generate a steady current at the output and attenuate potential voltage spikes. These gadgets serve as both a battery and a stabilizer simultaneously.

There are multiple approaches to address the issue of the heating system’s pump and automatic backup power supply. The cheapest one just requires purchasing a battery, an inverter, and a charger. The battery’s DC voltage is converted into AC 220 V by the inverter.

Examine the operating manual before choosing a UPS for a heating system. It should read "pure sine" in the output voltage parameter data. Other parameter designations (quasi-sinusoidal form, quasi-sine, approximated sine) cause control automation failures, circulation pump motor overheating and failure, and heating system burner shutdown.

The uninterruptor supplies a stable power supply to all energy-dependent components of the heating system when mains voltage is unavailable. The electrical energy that is kept in the batteries is used for this.

The sources include http://gyrator.ru/ups-sinus, http://teplowood.ru/besperebojniki-dlya-kotla-otopleniya.html, and http://1poteply.ru/otoplenie/besperebojnik-dlya-nasosa-otopleniya.html.

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We discuss the importance of an uninterrupted power supply (UPS) system for your boiler in our article "DIY UPS for Boiler," particularly in places where power outages are common. We draw attention to the possible dangers of an unexpected power outage to your heating system as well as the inconvenience it may cause, particularly in the winter. We provide homeowners a cost-effective way to guarantee continuous heating operation even in the event of a power outage by offering helpful advice and detailed instructions on how to construct your own UPS system for the boiler. This article strives to provide readers with the knowledge and assurance necessary to properly protect their home heating systems through the use of understandable language and clear instructions.

Selecting an uninterruptible power supply (UPS) for a gas boiler

The sophisticated electronics found in modern gas boilers require a steady, high-quality power source. Your heater will just stop working in the event of a power outage or grid malfunction, leaving you to freeze in your own country home. Owners of gas boilers utilize uninterruptible power supplies (UPS) to stop this from happening.

This post will explain the need for an uninterruptible power supply, its different types, how to select the best one, and how to connect it correctly using your hands. Finally, we will look at the uninterruptible power supply (UPS) models that are most popular with customers and provide some owner feedback regarding their performance.

What is an uninterruptible power supply and why it is needed?

We’ve all experienced the scenario where the light suddenly goes out, the electricity abruptly disappears, and candles must be lit. It’s still half a disaster if you live in a home with central heating; spend some time by candlelight without using a computer or TV.

Picture 1: A connected battery powers an uninterruptible power source.

Living in a private home in the country with a gas boiler that requires a lot of energy for heating makes a big difference. It won’t function without a power source, and you’ll soon begin to freeze.

There are various ways for the owner of a country house to avoid such a situation:

  1. Use in the heating system energy-independent gas boiler, in which all the automation works mechanically and does not require power supply. There are such models on the market, but their efficiency is much lower than those that are controlled by modern electronics.
  2. In a pair to a gas boiler with an electronic control unit to connect an energy-independent boiler. This option is certainly good, but expensive t.к. it will require the purchase of a second boiler and its connection to the heating system.
  3. Completely abandon gas or put a backup heating device on solid fuel, for example, such as heating solid fuel boiler "Karakan". The system of two boilers will also cost very expensive, and heating the house with wood and coal has significant disadvantages.
  4. Buy and install an uninterruptible power supply for a gas boiler, which will allow the heating device to continue to function until the voltage in the network is not available again. This option is the most preferable both for ease of installation and financial considerations.

Let’s examine the definition, main components, and operation of a UPS. A non-interruptible power source consists of:

The heating boiler’s inverter is a crucial component. It is essential for the proper operation of the gas boiler automatics and heating system to convert the constant 12V voltage from the batteries into an ideal sinusoidal-shaped alternating voltage of 220V.

Voltage stabilizer

Voltage stabilizer for gas boiler is used to raise low-quality power supply to the level and kind required for the proper operation of electronics. With an inverter and different devices, both realizations are contained in a single block.

Batteries

The gas boiler and other heating system components are powered by one or more internal or external batteries that store energy in the event of a main network power outage.

Picture 2: Attaching a gas boiler to an uninterruptible power source

The UPS operates on a very straightforward principle. When operating in normal mode, the UPS batteries are parallelly charged while the gas boiler is powered by the mains. When an unexpected power outage occurs, the uninterruptible power supply immediately switches to battery power until the mains voltage is restored. The uninterruptible power supply resumes normal operation from the mains and battery charging upon resumed power supply.

Returning to the contents table

Main types of uninterruptible power supplies

Although the UPS’s operational scheme appears straightforward and unambiguous, there are various ways in which it can be implemented. There are various basic types of pathways via which the voltage from the power grid reaches the gas boiler or other heating system device.

Off-line

Offline UPSs have a very straightforward layout. They are made up of an inverter, switching relay, rectifier, and battery pack. The batteries are charged from the 12V DC voltage that the rectifier creates from the 220V AC voltage. On the other hand, the gas boiler can be powered by the inverter, which creates alternating 220V with a perfect sinusoidal shape from a constant 12V voltage.

Picture 3: An offline UPS operating schematic using a gas boiler

The voltage in the network is fed directly to the load and used to charge the batteries, provided that it is at the appropriate level. The battery pack powers the load when the mains power supply fails or drops below allowable levels, causing the relay to switch to the battery pack.

This kind of uninterruptible power supply’s primary benefit is its affordable cost. Relay switching delays and a lack of voltage stabilization are drawbacks, though. A voltage stabilizer should also be included in the system when using offline uninterruptible power supplies.

Line-interactive (Line-interactive)

Its structure is an exact replica of the offline UPS type, with one important addition: a voltage stabilizer installed at the input. The frequency of switching from the mains to the battery and back again is decreased as a result of this improvement.

Picture 4: The line-interactive UPS source’s operating principle

Online models are much more ephemeral than linear-interactive models. Nevertheless, the gas equipment is still without power supply during the brief relay switching period. This drawback lacks the following categories of power supply sources.

On-line

With online interruptors, things operate a bit differently. The UPS double converts the mains voltage as it passes through it. Initially, the rectifier transforms the 220V alternating voltage into a steady 12V, which powers the inverter and charges the battery. The inverter performs the reverse conversion, providing the gas boiler input with a flawless 220V sine wave.

Picture 5: The online type of uninterruptible power supply’s basic working principle

These kinds of uninterruptible power supplies have two key benefits: instantaneous switching to battery operation and an optimal output voltage shape. The sole drawback of these devices is their exorbitant cost.

Although they are more expensive, online UPSs of this type are the best for gas boilers because they can supply the necessary voltage of the right quality. It is worthwhile to take into account offline devices with an external stabilizer or line-interactive UPS as a less expensive option.

Now that we have identified the kind of uninterruptible power supply, you can select particular parameters.

Returning to the contents table

How to choose and connect a UPS correctly

Which factors ought to be taken into consideration before selecting an uninterruptible power supply for a gas boiler? Let’s examine each one sequentially. Let’s begin with the most crucial:

Calculate the power of the UPS

The electrical power of all the devices that will be powered by it, such as circulation pumps and gas boilers, must be added up in order to determine this parameter and the UPS’s capacity. Because inrush currents can be up to three times higher than rated currents, it is important to consider this and safely multiply each pump’s power consumption by three. After multiplying the received amount by 1,2-1,3, we obtain the required amount of power for the uninterruptible power supply source.

Determine the required autonomous operation time

Do you recall how frequently you lose power and how long you are without it? Make plans for the longest possible battery life and buy the right amount of batteries based on this data.

Choose the type of battery

Gas boilers can be used with AGM and AGM GEL batteries. A common question is whether a gas boiler’s UPS can be connected to car batteries. It is highly discouraged to use car batteries for starting. To start the engine, they are made for a brief load. Long-term use will cause them to fail quickly, and they also have a fear of deep discharges. The fact that the electrolyte is liquid and that vaporization is likely to occur is another drawback. This is especially undesirable in residential areas.

Now that we have selected an appropriate UPS and added the required number of batteries to it, you can safely connect the entire set to the gas boiler. An uninterruptible power supply ought to be put in a spotless, dry room far from any moisture sources. Nothing should cover the UPS to prevent interference with its cooling system.

Picture 6: Three batteries are connected in series to the UPS source.

In the event that there is just one battery, its plus terminal is linked to the UPS’s plus terminal and its minus terminal to its minus terminal. If there are multiple batteries, they are connected in series, with the free terminals of each battery being connected to the appropriate connectors on the UPS and the plus of each battery being connected to the minus of the battery next to it.

Returning to the contents table

It can be a wise decision to install a UPS for your boiler in order to guarantee continuous heating in the event of a power outage. You can prevent discomfort and possible damage from an unexpected loss of heat in your home by installing backup power.

Although buying a pre-made UPS is an option, building one yourself might be a more affordable choice. Boiler DIY UPS systems are reasonably easy to put together and can be tailored to your needs and price range.

Making your own UPS for the boiler requires careful consideration of safety regulations and the selection of premium parts. Selecting the appropriate inverter size and battery capacity is essential to guaranteeing enough backup power to maintain the optimal operation of your boiler.

Additionally, the dependability of your DIY UPS system depends on correct installation and routine maintenance. To keep the system operating at its best, make sure to test it frequently and change the batteries as needed.

In conclusion, building a DIY UPS for your boiler can be a satisfying project that gives you peace of mind in the event of a power outage. Even in the event of an electrical outage, you can continue to have heating by using the appropriate parts and assembling and maintaining them carefully.

Video on the topic

Charging station with your own hands for 10$. Home power station or UPS for pump and boiler 12v – 220V

How to make a sine wave from UPS. Simple circuit. Disabling the UPS green mode timer.

BEST UPS for a heating pump, #1, simple and reliable

How to make an uninterruptible power supply for the boiler.

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Sergey Ivanov

I like to help people create comfort and comfort in their homes. I share my experience and knowledge in articles so that you can make the right choice of a heating and insulation system for your home.

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