Bosch column instructions for use. Bosch column does not ignite. The principle of operation of a semi-automatic gas column ignition system

Geysers Bosch (this is the household name received by the instantaneous water heater) - a device in which cold water, flowing through the tubes around the heated heat exchanger, heats up and enters the consumer with a given comfortable temperature. Bosch geysers heat water with the help of energy obtained in the process of gas combustion.

At the end of the 19th century, the designers of the Bosch concern first designed a gas water heater. The device has undergone numerous upgrades over time and in our time represents fully automated products, which are still in demand in households where, for a number of reasons, there is no centralized supply of hot water.

Today, instantaneous water heaters are produced by companies around the world, Bosch is rightfully considered the leader in the production of these products. The Bosch concern offers the consumer the widest range devices with different power characteristics that are able to satisfy all the needs of the homeowner in heating the required volume of liquid.

Modern Bosch gas water heaters are able to heat water online. The owner absolutely does not need to waste time waiting for the right amount of water to warm up. The instantaneous water heater is crammed with all sorts of sensors and valves that allow you to receive comfortable temperature at the point of water supply. Bosch geysers, regardless of model, are equipped with power modulation.

Thus, with an increase in water intake, the heating intensity automatically increases. If the consumer reduces the pressure by closing the tap, the burner automatically reduces the flame, reducing the intensity of work. The main advantage that unites Bosch gas water heaters is energy efficiency and economy, which translate into significant financial savings in the form of gas bills.

Before we begin the review of the Bosch instantaneous water heater, we suggest that you decide on the necessary parameters of the device that are right for you. There is no need to buy a Bosch geyser with a “reserve” in terms of power, this will only lead to high initial costs and subsequent overspending of gas and, as a result, financial resources.

On the other hand, the choice should cover all needs for the consumption of domestic hot water. We talked about how to choose a Bosch gas water heater twice this and the second time, in them you will find seven answers to basic questions.

Geyser BOSCH Therm 2000 O W 10 KB

Geysers Bosch open a series of devices with the initial model Therm 2000 O. Despite First level, the budget device includes all the minimum required parameters to satisfy the household in constant and comfortable consumption of heated water.

Bosch Therm 2000 O narrow geyser is mounted in a place where sufficient air is guaranteed, in a well-ventilated area - usually in the kitchen.

Therm 2000 O Technical equipment

The mass of the structure is 10 kg.
Productivity 10 liters per minute;
The copper heat exchanger is made by high-precision ultrasonic soldering;
Stable performance with reduced pressure in the water line (from 0.15 bar)
Electric ignition from two batteries with a voltage of 1.5 volts;
Automatics, on a signal received from a special sensor, will block the gas flow in case of overheating of Therm 2000 O.

Therm 2000 technical data

Gas instantaneous water heater Bosch Therm 4000 O WR10/13

If your home has a problem with ventilation and natural smoke removal is difficult, then you should pay attention to latest model Therm 4000 O is specially designed for such cases. Geysers Bosch Therm 4000 O NEW are provided with protection against reverse thrust through a special sensor. Therm 4000 O NEW is supplied to the domestic market with two power options under the names: WR10-2P S5799 and WR13-2P S5799. Can be installed in rooms with permanent residence people, as a rule, the device finds its place in the kitchen space.

Therm 4000 O NEW Technical equipment

The mass of the WR10-2P S5799 structure is 11 kg. WR13-2P S5799 - 13 kg.
Piezoelectric ignition;
Hot water production WR10-2P S5799 10 liters per minute;
Hot water production WR13-2P S5799 13 liters per minute;
A water pressure of 0.1 atmosphere is sufficient to turn the device on;
Power and water flow is set manually and separately from each other;
The igniter is continuously lit in standby mode;
Equipped with an atmospheric burner made of stainless alloy, with factory settings for operation from natural gas. If it is necessary to reconfigure to work on liquefied gas, the company's engineers took care of the jet re-equipment kit;
The ionization sensor is responsible for monitoring the presence of a flame;
Automatics, on a signal received from a special sensor, blocks the gas supply in case of overheating of Therm 4000 O.
The copper heat exchanger is manufactured by high-precision ultrasonic soldering. Operating time - 15 years;
Stable performance indicators with reduced pressure in the water line (from 0.15 bar).
Hot water outlet with temperature limiter.

Therm 4 000 O NEW specifications

Gas water heater Bosch Therm 4000 S New generation WTD 12 AM E23

Geysers Bosch Therm 4000 S WTD 12 AM E23, WTD 15 AM E23, WTD 18 AM E23 - company engineers equipped with a combustion chamber closed type. These devices will be the best answer to the task of installing the device in an apartment or country house where there is no fixed chimney.

The closed combustion chamber minimizes the likelihood of a burning smell, saves a comfortable temperature regime and does not burn oxygen in living space.

System coaxial pipes 60/110 mm. completely replaces the bulky traditional chimney and perfectly copes with the inflow of air for combustion and the removal of combustion products.

Therm 4000S Technical equipment

The turbofan removes combustion residues by means of a 80/110 or 60/100 coaxial pipe system, the 80/110 adapter is not included with the device.
Made from stainless steel atmospheric burner, with factory settings for natural gas operation. If it is necessary to reconfigure to work on liquefied gas, the company's engineers took care of the jet re-equipment kit;
A water pressure value of 0.1 atmosphere will be a sufficient condition for turning the device on;
The inlet water pipe is equipped with a temperature and flow sensor;
Electronic ignition from a network of 220 V;
The ionization sensor is responsible for monitoring the presence of a flame;
Set protective devices from freezing;
The online temperature is shown on the LCD display. If, after self-diagnosis, a malfunction is detected, then an error is indicated with graphic image code;
The copper heat exchanger is welded by high-precision ultrasonic soldering. Operating time - 15 years;
Electronic modulation in terms of power and flow, maintains the set value of the hot water supply mode at the outlet (from 35 to 60 ° C)
Bosch geysers determine the indication of the temperature value of the heated liquid with an accuracy of plus or minus 1˚ C °;
Energy dependence on voltage 220 V.

Therm 4000 s operating instructions are posted on the resource in the section

Therm 4 000S specifications

Geysers Bosch Therm 4 000S Trouble-shooting

Geysers Bosch Therm 4000 S, O Device

Geysers Bosch Therm 4000 O series

Yes, yes, do not be surprised, it seems that we just disassembled a device with the same name with the NEW index - a new generation. Nevertheless, Bosch did not stop the production of three copies. instantaneous water heaters Therm 4000 O series, namely:

The power range of Therm 4000 O lies between 17 - 26 kW, from a technical point of view, this assumes a steady flow of heated water in the amount of 10-15 liters per minute, taking into account a delta of 25 ° C from the initial to the final state. Geysers Bosch WR 10/13/15 reserve a number of advantages, such as time-tested intuitive and easy-to-use control knobs.

Additional advantages of the Bosch geyser include simple installation, elegant design and compact dimensions. Multi-level degrees of protection and safety elements give the device optimal security, while not increasing the cost and not making it a segment of expensive products. On our resource, in the Bosch geyser section, there is an instruction manual for Bosch Therm 4000 O, on the page.

Therm 4 000 O specifications

Geysers Bosch Therm 4 000 O Trouble-shooting

Geysers Bosch Therm 6000 O gas instantaneous water heater WRD 10 13 15 2 G

The Bosch engineering department has supplied the Therm 6000 O geyser with a built-in generator. Technological solution Hydropower - modernthe ignition block freed a person from participation in the process of ignition of the apparatus, and made the operation of the model fully automated.

The flow of water after opening the tap starts the rotation of a small turbine, which gives an impulse to the hydro generator. That in turn generates electricity who submits it to electronic unit of the device and manufactures electrical discharge contributing to the launch of the Bosch gas column.

Inside the domestic market, we can meet three modifications: WRD 10-2G, WRD 13-2G, WRD 15-2G, where the first digital designation indicates the maximum fluid flow per minute, measured in liters.

A small but multifunctional screen is located on the control panel, displays the temperature or informs with a code designation about a detected error in the operation of the device. The required temperature value is set by a mechanical regulator and is automatically maintained throughout the entire period of operation.

Therm 6000 O technical equipment

The HydroPowe technology solution does not require a permanently burning wick flame. Automatically, without a piezoelectric element or batteries, without human intervention, it ignites the device after opening the tap from the built-in hydro generator.
The automatic mode of the device independently maintains the temperature set by the owner, even during moments of pressure fluctuations;
Sufficient to turn on the device, the value of water pressure is 0.35 atm
Continuous operation does not require interruptions or other work time restrictions;
The declared service life of the heat exchanger is 15 years. Material - copper
In case of overheating, it will be blocked for cooling by a signal from the safety sensor;
Gas mixtures of smoke under the supervision of sensors;
Ionization currents monitor the presence of a flame;
The LCD screen constantly displays the temperature. If a breakdown occurs, it displays an error image in the form of a specific digital code;
Stainless metal burner.

Therm 6 000 O specifications

Geysers Bosch Therm 6000 S WTD 24 AME

The industrial model is represented by one Therm 6000 S WTD 24 AME. The Therm 6000S water heater has enough power to effortlessly heat the 24 liters per minute of liquid passing through it to a hot state. Geysers Bosch Therm 6000 S have a design solution that allows you to combine devices into a cascade (maximum 12 pieces).

Thus, in total, Bosch gas water heaters produce a continuous stream of heated water in the amount of 288 liters per minute. By the way, this solution does not require electricity consumption while waiting, since water heating starts when it is needed.

The water is only heated up to the values set by the user, without changing the parameters even when the pressure fluctuates. This ensures the complete absence of discomfort during the operation of the entire cascade chain of devices.

Therm 6 000S specifications

Bosch geysers of the new Therm 8000 S series

The increased efficiency of liquid heating is achieved by using the latest condensing, innovative operation method. Therm 8000 S achieves an efficiency value of 100%. Performance industrial device allows you to prepare 27 liters per minute of heated water. Design solution for joint work in a single cascade up to 12 devices at a time, provides a constant flow of hot water in the amount of 324 liters per minute.

Geysers Bosch Therm 8000 S are designed to be operated with preheated liquid, good example– joint application of the solar energy system in the construction of collectors. In addition, the water valve of the series is equipped with an electric drive.

Therm 8 000S specifications

Therm 6000 S, 8000 S technical equipment

Geysers Bosch Multi-level security system

A special sensor that monitors the temperature in the chimney is responsible for supplying a timely signal to the valve, which shuts off the flow of gas in the event of a capsizing draft;
The presence of fire controls the ionization electrode;
The control unit receives the heating temperature signal from the overheating sensor (Negative Temperature Coefficient (NTC) resistor) located in the heat exchanger. If excessive heating is detected, it blocks the device;
Protective elements: - a sensor that monitors the temperature readings of water at the inlet and outlet pipes; Limiters t ° C ° - sensor of the closed case;

Geysers Bosch Therm 6000 S, 8000 S Device

The Bosch Therm 6000 S user manual is located in the Bosch section, on the page. Manufacturer's warranty is limited to 24 months. The service life of the product is at least 15 years. The list of service partners is presented in the form interactive map where you can easily find your nearest repair service provider.

household gas heaters(columns) are intended to provide consumers hot water. According to the principle of inclusion, they are divided into automatic and semi-automatic. AT automatic dispensers the electrical block of the spark generator is responsible for igniting gas burners; in semi-automatic columns, gas burners are ignited from a gas wick, with each analysis of water.

In the article, we will analyze what to do if a geyser with a semi-automatic ignition system does not light up, the principle of operation of the ignition system, the causes of a gas wick malfunction and methods for eliminating them.

The principle of operation of a semi-automatic gas column ignition system

The ignition system for semi-automatic dispensers consists of:

gas valve with electric flame control;
piezoelectric element;
wick;
thermocouples;
a sensor for monitoring the overheating of the coolant and the lack of draft in the smoke exhaust chamber;
connecting wires.

Scheme of emergency shutdown of the gas valve of semi-automatic gas water heaters (columns).

When you press the gas valve handle and turn it counterclockwise until it stops, the electric valve opens, the piezoelectric element generates a spark, as a result, the wick is ignited and the thermocouple is heated, which generates an EMF. After 10-30 seconds, the voltage should be 15 - 30 mV. This voltage is enough to actuate the magnet that holds the valve stem in the open position. When the electrical protection circuit is broken, the current is lost, the controlled valve moves to the closing position under the action of the spring. The gas stops flowing to the burners and the wick.

Reasons for the absence of a flame on the wick of a gas column

The air supply hole in the wick is clogged. Through this hole, air is supplied to ensure the combustion of natural gas at the tip of the igniter.
The solenoid coil burned out. An electric magnet holds the valve stem, if it breaks, the valve will be closed.
The thermocouple has failed. The thermocouple, being in a flame, generates a voltage supplied to the electromagnet.
The sensors for monitoring the water temperature and the state of the chimney (presence of draft) are faulty. At a value of up to + 82 0C, the sensor is in a closed position, above this temperature its bimetallic plates diverge and the circuit opens. The normal contact between the two plates can be disturbed by surface oxidation, mechanical or thermal damage.
Violated electrical circuit flame control systems. All elements of the flame control system are interconnected by wires. Their failure will inevitably lead to disruption of the entire system.
The nozzle or gas supply pipe to the wick is clogged. The inner diameter of the tube is 2.5mm (outer 4mm), the nozzle outlet diameter is 0.1mm. These elements can become clogged with soot, dust, etc.
The operation of the piezoelectric element is disrupted, from the spark of which the gas ignites.

Identification of the reason why the geyser does not ignite and troubleshooting

To determine the reason for the absence of a flame in the column wick, it is necessary:

Open the front panel of the instrument.
Check the condition of the nozzle and air suction holes, gas supply pipes to the igniter. If there is soot, dirt: remove it from the wick.

Semi-automatic ignition system geysers.

Examine the piezoelectric element for spark generation. If it is absent, inspect the wires, terminals for mechanical and other damage. Oxides on the contacts must be removed, damage repaired.

The location of the elements of a semi-automatic geyser responsible for ignition.

Determine the thermocouple voltage. To test the heat generator, unscrew the special plug of the electric valve. Carefully remove the special cable that comes from the thermocouple. Using a multimeter in test mode constant voltage, connect one probe through the crocodile clip to the outer sheath, lean the other against the center contact. Since the placement height between the contacts is small, make sure that the probes do not touch each other. Heat the working end of the thermocouple with a lighter. If the voltmeter readings correspond to 15 - 30 mV, the part is in good condition, with other values \u200b\u200bthe generator must be replaced. If the special wire is not suitable for further use, replace the entire thermocouple.
Examine the valve inductor. In the valve connector, which was released when checking the thermocouple, insert one end of the probe into the middle of the connector, the other into its body. Tester in ohmmeter mode. The coil resistance should be in the range of 10-15 ohms. If the circuit is open or closed, the ohmmeter will record the value 1 or 0, respectively. The coil changes modularly, together with the stem and valve.

Measuring the resistance of the coil of the solenoid valve of the geyser.

Check the correctness of the control sensors. At room temperature, the control contacts of the sensor are in the closed state. Using a multimeter, in diode test mode, examine the two sensor leads for continuity. The tester reading with a working sensor will be 0, in other situations, when the values \u200b\u200bcorrespond to 1 or a resistance of 1 - 600 Ohms, it must be removed, and a serviceable one should be installed in its place.

The location of the water temperature sensor and the gas column chimney sensor.

Check the condition of wires and connections. Wires with sensor contacts are connected by soldering with soft solder, with a special plug to an electromagnet and a thermocouple. Carefully inspect the wires, soldering points, plug-in connection. Sometimes microcracks form at the soldering points, due to which the integrity of the entire chain is violated.

After each eliminated remark, it is advisable to check whether the column lights up or not.

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The MaxiService company carries out connection of gas stoves and columns. Masters for installation and connection of gas stoves and water heaters of the MaxiService company perform work in most areas of St. Petersburg and the nearest suburbs. Our masters also carry out repair of gas stoves and columns.

The company "MaxiService" provides a company guarantee for the connection of gas stoves and columns.

Due to the impossibility exact definition scope of work by phone when accepting an order dispatcher
announces the starting price for repairs.
The warranty period for work is one month.
Prices do not include the cost of replacement parts and materials.
Service in progress legal entities by bank transfer.
Repair and replacement of spare parts for gas stoves is carried out if spare parts are available for sale.
Repair and replacement of spare parts for imported gas stoves is carried out at an agreed price.
The cost of connecting water columns does not include the cost of installation chimneys and dismantling of old columns. Works are carried out at an agreed price.
The master has the right to make repairs at an agreed price after unskilled intervention.
When placing an order, payment for those. additional consultation is not charged.
When carrying out work in the 20-kilometer zone of the suburbs of St. Petersburg, a transport allowance is established.

Bosch Geyser - Troubleshooting

About six months ago I bought myself a Bosch WR 10-2p geyser. I installed it myself, and there were no problems during operation, it did not flow anywhere. Now soot has accumulated in it, and it has stopped heating water. I also decided to clean it myself. Please share your experience on how to do this. How to remove copper tube? To do this, simply raise the bracket and remove the tube? And I also want to remove the heat exchanger in order to completely wash it of any contaminants. I also noticed that the flame changed its color. If before it was even blue color, now it is blue-yellow. Why is she so dirty?

You have a bad flow fresh air, so a lot of soot is formed. You need to blow off dust from the burner and rinse the heat exchanger well. Work for about 2 hours and the instantaneous water heater WR10-2 p23 will be fine.

I have a Bosch WR 13-2p semi-automatic gas water heater installed. It has been working for 5 years, but now there is a problem. As soon as the cold began, strange things began to happen to her. And the water pressure is very good, the gas is also supplied with sufficient pressure. But the water comes in very cold, so in order for it to heat the water as it should, you have to set more than high temperature. In this mode of operation, after 5-10 minutes of heating, the unit turns off. I don't understand his device at all, but here's what it seems to me. I suspect that the problem is in some kind of sensor responsible for overheating. Perhaps it is very dirty, or broken, and gives the water heater a false signal. Or maybe my chimney is dirty? How can I repair the device?

Most likely, your chimney draft is broken, and therefore the Bosch column is turned off. Overheating protection is activated, the thrust sensor is responsible for it. Judging by the time after which the device turns off, then this is it. But other options are also possible. For example, if your model has a battery, then it could sit down. You just need to replace it. Checking the operation of the overheat sensor is simple. Contacts need to be closed. If the water heater continues to turn off, then this is not due to it. Perhaps the contacts in the “thermocouple - sensors” circuit are oxidized or loose. Then it will be necessary to check all contacts. There may be a large accumulation of carbon deposits on the thermocouple. Then it will need to be cleaned. Perhaps the flame does not reach the thermocouple, then it will be necessary to clean the igniter. Gas instantaneous water heaters WR13-2 p23 are available both with a thermocouple and with automatic ignition, in which battery-powered electronics are implemented. You have a geyser with a thermocouple. It contains a thermocouple connected in series. gas valve and an overheating sensor (draft sensor). If there is poor contact anywhere in this circuit, the gas valve closes. Accordingly, the column goes out. In order to check whether the draft is really good, it is necessary to close the contacts on the overheating sensor. If the device starts to work normally, then the sensor is faulty, or there is a problem with traction. If it continues to work incorrectly, then you need to look at the height of the flame, and how far it falls on
wick. Very often, at the Bosch column, the wick is set to minimum power, and if the draft is strong, it deflects the flame to the side, naturally it goes out. You need to inspect the water heater to say something more specific. In any case, you will have to fix this breakdown, since if the thrust sensor is faulty, it is forbidden to use the unit.

I decided to buy a Bosch W10 kb geyser. Studied it from all sides. I have a chimney, this is a pipe with a diameter of 12 cm, 2 m of this pipe lies under the false ceiling, and then it hangs from the ceiling for 1 m. I want to leave a pipe with a diameter of 12 cm running along the ceiling, and replace the rest with a pipe with a diameter of 6 cm. As I understand it, at the junction of pipes 12 cm and 6 cm, the pressure should drop by 2 times. That is, the flow will slow down. The chimney is even wider, so the pressure should drop even more there. Does this model have a powerful enough fan so that there are no problems with neighbors?

The Bosch column can be safely connected by realizing the air intake from the room. If you look at the instructions, it is written there in detail. Make the transition between pipes 6 cm and 12 cm, then connect your corrugation. All connections must be well insulated, as gas is supplied under pressure there. Your chimney does not affect your neighbors in any way. Everyone has their own access to the roof. You can also install a splitter to make air intake from the street, and the exhaust of combustion products is already in the chimney. Holes less than 15 cm can not be coordinated with anyone. The coaxial pipeline should not be taken out into the street, since it is necessary to observe the distance to the nearest windows. If you do not live in last floor, you are unlikely to be able to provide it.

Tell me, please, the gas water heater Bosch WR 13-2b (gwh 15) on electronics. I went to different stores, sales assistants constantly confuse everything. I'm afraid they won't bring the one I want. Tell me more, what do the dances of the names 2B and 2P mean? Do any of them have a flow meter? If you know how much water has passed through the electronic unit, the column should automatically calculate how much gas
needed to heat water? Why then do these models perform so poorly? I don't understand. It should keep the temperature much better than mechanical.

The number 2 means the line number. The letter P means that the water heater works with a constantly burning igniter.

Gas control is carried out using a thermocouple. The letter B means that the device is powered by batteries. In it, the igniter burns only when ignition is in progress. Gas control by ionization. The numbers after WH are the number of liters per minute that, at a temperature of 25 degrees, at the set
gas pressure pass through the unit at the inlet. Any column where a mechanical drive of the gas valve from the membrane is implemented, and manual adjustment of the gas supply by the valve is installed, is considered mechanical. In the electronic model of the water block with a membrane, it is not structurally provided. Also there is no manual adjustment of the gas supply using a special switch knob. It establishes the necessary
temperature, and everything else is done automatically. Also there are installed inlet and outlet temperature sensors, and an air flow and turbine speed sensor.

How to turn on the Bosch WR 10 - 2P geyser?

It turns out that, no matter what power is installed, the device is tuned to auto mode combustion to maintain the required temperature. This reduces gas consumption, significantly reduces emissions into the atmosphere, and increases the efficiency of the device. Such water heaters work without problems. But they are usually connected to a 220 volt network. Since all automation, and other devices are powered by the network. Mechanical models could never support desired temperature, since they do not have such systems for this. There was an attempt to release a Bosch Junkers valve-diaphragm device not only for ignition, but also for modulating the burner. But this line was not successful.

I installed a Bosch 10 geyser at my place. And adapted to work on liquefied gas. To do this, I installed other nozzles, and removed the jumper j6. But the device does not start, and I do not understand why. When I turn it on, the green button lights up for a few seconds, and then the red light blinks, and the fan starts to work. No more action is taking place.

Since the unit reacts to the inclusion of water by turning on the fan, it is first necessary to make sure that the pressure switch is working. Exactly this weakness all smoke models. If the fan turns on and closed faucet, and at the same time it is blocked, you need to look at the sensors and look for a break. Perhaps the contacts of the pressure switch are incorrectly connected or mixed up. After you have reconfigured the water heater, it was necessary to check its operation on normal gas to make sure that the unit is in good working order and there are no breakdowns in it. It may have been damaged upon delivery. So check the diagram. Call the temperature sensors, check the pressure switch. If possible, go into setup mode, set the knob to maximum. To do this, the torch buttons must be pressed and held, and then the switch must be switched, which must be held until it starts flashing. Also check the fuses located in the control box.

Water began to flow from my Bosch 15 gas column, and it flows from its upper part. It has been in operation for 8 years, and before that it had never broken down. Can I repair it?

Unlikely. Get ready to buy a new water heater.

There was a malfunction of the Bosch WR 10-2 p geyser. For 4 years she worked without any problems, but a month ago her radiator began to leak. In order to find a leak, I took it off and looked. I found damage to the top. It is impossible to solder there because of the ribs. In order to block the leak, I filled the defeated place with sealant. At the same time, I flushed the radiator. The water heater started to work well. But now there is new problem. The device has stopped burning. The pressure is good, but the water at the faucet is cold. If you look through the viewing window, the gas burns not with a blue, but with a yellow flame. Also, the combustion power is much less. What could be broken? There is a draft, I checked it with a lit newspaper. Gas is supplied from good pressure, checked with gas stove, which burns without problems. A boiler connected to this gas also works.

On the flow gas water heater WR10-2 p23 try to disassemble and clean the heat exchanger and burner. You also need to blow out the igniter. This should be done as soon as the flame begins to change color. To solve the problem, try unscrewing the two screws on the side and in the center, but do not remove them entirely. Use a flathead screwdriver to pry off the burner and pull it out. Find a rubber ring there. Do not forget to lubricate it with either soap or special silicone grease. Also find the wire with the solenoid valve and disconnect it, without this you will not be able to disconnect the burner from the unit. The heat exchanger will also have to be removed, as it will interfere with the dismantling of the burner.

I have a Bosch WR 15 geyser installed. Old electric boiler we turned it off and took it away, and in its place we installed an apparatus with a generator. Now nothing works. Water is supplied with a pressure of 3 atmospheres. The gas pressure is 2000 MP, instead of the prescribed 1300. That is, everything is supplied as it should. We launched it like this. The first time ten attempts, after opening the hot water tap, clicks were heard from the water heater, and then the EA error appeared. The instructions say that there is no gas on the main burner. Tried to run it multiple times. After that, the flame appeared. The water began to heat up, but not to the desired temperature. The device shows 58 degrees, but in fact the water is much colder. And then the flame went out again. It seems to me that some kind of valve does not work completely. The height of the flame is not more than 4 cm. To solve the problem, I want to try to adjust the gas pressure in front of the burner. Is it correct?

The pressure is sufficient for the device to work correctly. But note that it must be measured not only when the water heater is turned off, but also when it is running. It should not fall below 13 millibars. If the pointer shows 58 degrees, then it could theoretically heat up to that temperature.

The initial problems with starting are also logical, there was air in the system and it took time for it to come out. The flame goes out most likely due to the operation of the protection, you may have problems with traction.

Check contacts and sensors. Also check the amount of power from the generator using a multimeter. A stuck valve usually either opens or does not open. You can try to blow through the gas fittings, but not more than 0.3 kg/cm. It is not designed for more pressure. You can also check the valve with a 3 volt battery, when it is triggered, a click is heard.

The Bosch WR 10-2p geyser is faulty. When starting, clicks are heard, and even sometimes it lights up, but only if the water supply tap is open to the maximum. The water is warm, but not enough. She used to be much hotter. After the device starts, the pressure of the water supply can already be reduced, and everything will work. If the unit does not want to work at all, I blow cold air on it, and the problem is solved. But you need to clearly find the point at which to blow. It is located next to the green indicator. During this procedure, the indicator flashes, and after a while the device starts working. Gas is supplied from normal pressure. What could be?

Try using the right control knob to reduce the flow. To do this, turn it in the direction of increasing the temperature to an average value. If you are blowing air on a valve or igniter, then you just need to clean the unit from dust. A spark should always appear.

Put into operation a Bosch WR 13-2 geyser. I adjusted the pressure, it is as it should be. But what confuses me is that if the tap is not fully open, at least halfway, the unit “puffs”, but does not light up. I found in my passport minimum pressure water. Really the minimum flow is not standardized?

The passport of the instantaneous water heater WR13-2 p23 indicates both the rated power and the rated flow at a water temperature of 25C. If the water does not heat up to the temperature you want, then the valve is not opening all the way. There can be many reasons for this. Need to figure it out. For example, the stem of the water block does not move in full amplitude, and accordingly does not fully open the gas shut-off valve. Even a minimal rupture of the membrane is enough to cause this problem. The internal valves could also be clogged. If dealing with gas block, then there may be insufficient voltage supplied from the control unit to the valve. It may not be enough to open the valve all the way. The membrane could also be torn or stretched. The stock could stick. The control unit supplies voltage, gas from the front cavity is supplied to the pilot burner. The control unit receives a signal that a flame has appeared. After that, it applies voltage to the lower valve, which shuts off the gas supply to the anterior cavity. The gas pressure in the rear chamber moves the membrane forward, and the gas supply valve opens to the main burner. Gas escapes from the front cavity, and the igniter turns off. The flame control electrode continues to fix it, as the main burner is on. Using the gas supply adjustment knob, you can set the spring stiffness, which counteracts the displacement of the membrane. Set the gas supply valve to the main burner accordingly.

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Consider the example of Bosch WR10.B, WR13.B, WR15.B gas instantaneous water heater models made in Germany, for the markets of Russia, Ukraine, Belarus. These models differ in the amount of heated water.

Bosch WR10.B, WR13.B, WR15.B

Before starting, check if the gas and water valves are open, if two 1.5 V R batteries are inserted. These models of heaters are equipped with electric ignition, as evidenced by the index B at the end of the name. Electric ignition takes place using batteries.

To turn on the device, you need to press the power button on the front panel of the device, the column is prepared for operation, is in standby mode. In order for the heated water to go, you just need to open the tap. At this point, the pilot flame is ignited and after four seconds the main flame is ignited, so that the pilot flame is extinguished after about twenty seconds.

These devices do not have a permanently burning wick, which is economical as there is no constant flow gas. During a long break in work gas system air can accumulate, which will prevent correct work igniter and, as a result, the main burner cannot ignite.

To fix this problem, you need to open and close the hot water tap several times. Water heating is regulated by reducing its flow, by turning the valve clockwise it decreases, counterclockwise, respectively, vice versa, the flow increases and the temperature decreases. At a low water temperature, gas costs are reduced and less scale is formed in the heat exchanger.

On the video, in addition to the startup procedure, you can also learn about setting up the column:

How to light a gas water heater bosch Therm 4000 O WR 10/13/15 -2 P.

The difference between these models lies in the amount of heated water per minute. A device equipped with piezo ignition is indicated by the letter P at the end of the name. It has the ability to adjust two parameters, water and combustion power. To turn on the column, you must move the slider to the ignition position, drown it.

Press the piezo ignition button several times until a flame appears on the pilot burner. Wait ten seconds, release the slider and move it to the desired power position. Moving the slider to the right increases power, and to the left decreases it. The column is always in standby mode, if you need to receive hot water, you just need to open the hot water valve.

When you need to turn off, move the slider to the left until it stops. After a couple of seconds, the pilot flame will go out. Close the gas valve and water valves.

Watch the video below for instructions on how to turn it on:

Therm 4000 S WTD 12/15/18 AM E23/31.

Before starting, you must make sure that, on the plate installed by the manufacturer on the device, the gas marking corresponds to the gas connected to the device. The device has the ability to connect remote control control, which completely duplicates the operation of the display on the column.

open the faucet gas cock and water valves. Connect the machine to the mains.

The water temperature set by the manufacturer is 42 degrees, this is the optimum temperature.

To turn on the device, you just need to press the power button and open the hot water tap. To control the temperature, you must press the "+" or "-" button and select the temperature you need. Until the temperature you have selected is reached, the reading on the monitor will flash.

If it does not reach this value within thirty seconds, the icon will be displayed on the monitor. faucet, which indicates the need to increase or decrease the flow of water. If you press the P button, the programmed constant temperature of 42 degrees will appear. Setting the minimum temperature reduces energy consumption, and makes it possible to reduce the formation limescale in the heat exchanger.

But if you know how to turn on the column, but encounter malfunctions (the flame goes out, does not ignite), then where the causes and methods for their elimination are described.