Operation, malfunctions and service of the geyser Bosch GWH

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After installing the gas water heater, all users are faced with the problem of correctly setting up the device. Factory indicators do not always correspond to natural conditions of use. In addition, an incorrectly configured device consumes more water, fuel and electricity, and also breaks down faster. Therefore, if you know how to properly set up a gas water heater, you can significantly save your family budget.

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1 Algorithm for setting the gas column
2 Possible difficulties
3 Features of setting up different models of water heaters 3.1 Setting up the Neva water heater

Algorithm for setting the gas column

Setting up a gas column, especially for the first time, is a rather painstaking, but short-lived process. Moreover, next time it will be much easier and faster to repeat the steps.

You need to set up a gas water heater as follows:

First, it is necessary to bring the water supply to a minimum, which is prescribed in the instructions for each column, for example, 6, 8 or 10 l / min. In this case, one should not forget that you only need to open the hot water tap. After setting the indicators, the tap is closed.
The second stage is setting the minimum gas position. This will help you make fine adjustments specifically for the characteristics of this device. At this stage, an electrician is connected. Modern electronic models have a display and are automatically adjusted.
The column can now be launched. Open the hot tap and measure the outlet water temperature. It should be 25 ° C higher on average than the inlet temperature. If the difference is significantly less or more, you should adjust the gas knob or toggle switch until the specified result will be obtained.
The handle (toggle switch) of hot water will also help to adjust the temperature. If its flow is increased, the outlet temperature will decrease. If the water pressure is reduced, it will become warmer.

When setting up, it is important to remember that water cannot heat up instantly, so there is no need to rush. After each parameter change, wait and allow the liquid to warm up or cool down.
Note! Experts do not recommend heating water above 55 ° C. This is because scale builds up faster at too high temperatures. Subsequently, it will clog the heat exchanger and the components of the device.
To minimize wear on the water heater, it is recommended to close the hot water tap gradually. This will prevent overloading the device's heat exchanger.

The gas column clicks - how to solve the problem

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The reasons why the gas water heater does not heat the water

Device and malfunctions of a gas column with piezo ignition

Starting up the appliance and adjusting the temperature

To properly set up hot water in the device, you must:

Fully open the mixer for hot water supply;
Use the water switch to select the required temperature value;
Shut off valve.

According to the advice of professionals:

Wait for the moment when the pressure in the line drops, but the column will still work;
Turn the handle of the water toggle switch to the maximum;
Turn the gas regulator to the minimum value until the temperature is the same as you need.

For final preparation, it is worth adjusting the gas supply. To do this, you need to look at the technical data sheet and find out the minimum value for this brand.

The toggle switch is turned to the minimum value.

Turn on the gas supply valve. At the gas water heater "Electrolux" and "Ariston" do it after being connected to the network. The gas column "Oasis", "Junkers" and "Bosch" are connected when the batteries are installed.

The hot valve is turned on and the device starts to work.

How to adjust the water temperature

Turn on the mixer and check the water heating temperature. It must be twenty-five degrees larger than the original. It should be noted that the water in the gas boiler heats up gradually. The gas column is adjusted using the gas lever.

Reference! You can also adjust the temperature with a water toggle switch. If the flow rate increases, the heating temperature will decrease.

Professionals advise against heating water more than fifty-five degrees. This has a negative effect on the device, as scale builds up.

Pressure problems

Setting up the gas column takes a certain amount of time. Accordingly, the result will be seen later. After each stage, it is worth pouring out the water and letting it warm up again in order to make the values correct. Low pressure in the device may interfere with normal operation.

If there are problems with pressure, it is worth performing the following manipulations:

Remove the cover from the device;
Loosen the locking bolt, use a pressure gauge to check;
Remove the seal from the adjusting screw;
Switch on the boiler;
Set the values to the maximum, unscrew the hot water supply taps;
Adjust the required pressure.

The Bosch geyser, namely its pressure in the nozzles, is regulated in the following way:

Remove the casing;
Connect a pressure gauge;
Loosen the locking screw;
Connect a pressure gauge to check the pressure in the nozzles to the nozzle.

Further, a Bosch geyser with a maximum thermal power is regulated:

Remove the seal from the screw;
Turn on the device;
Includes hot water taps;
The adjusting screw adjusts the pressure in the nozzles;
Replace the seal.

There are brands where there is a special "Winter-Summer" mode with temperature correction. On the Ariston gas water heater, this handle was made at the bottom. The Oasis gas water heater adjustment is located on the front panel. The peculiarity of the mode is that in winter time the power is higher than in summer. The amount of heat in the liquid in the column is directly related to the temperature of the inlet stream. In winter, the regulator is set to "maximum", heating will be the highest. In summer, the temperature of the inlet flow is higher and is set to the minimum position. This saves resources.

It is easy to remove a bad head when checking.

To do this, you must perform the following manipulations if the device has already been in use:

Pay attention to the rubber membrane. The performance of this part is directly related to the pressure in the line. At the moment of violation of the integrity of the membrane, namely when it is used up, gas does not flow and the burner does not turn on. The problem is solved by replacing the part.
Pay attention to the strainer. It is located at the entrance to the water block. The water pressure becomes lower due to the clogging of the part with debris. The problem is solved by cleaning.

Possible difficulties

When setting up a gas water heater, the following problems often arise:

water pressure drops in the water supply system;
too low water head.

The first problem is solved only by replacing the valve or installing a pressure regulator. Otherwise, pressure drops will lead to increased wear of the device and its failure.

With the second option, the water heater will not even turn on. If the water pressure drops suddenly, you should call the city water utility and find out the reason. Perhaps this problem will be quickly fixed. If water pressure is always low in your village, then you will have to purchase a pump that will help increase it.

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Features of setting up different models of water heaters

Gas water heaters with different characteristics and features are on sale.

Some models are equipped with the "Winter-Summer" mode. In winter, the temperature regulator is set to the maximum position. In summer, the incoming water is warmer, so the handle is shifted to a minimum.

The automatic dispensers are equipped with a self-diagnosis system. If there is not enough pressure or a malfunction occurs, the device is blocked.
Note! If you were unable to independently adjust the optimal operating mode of the device, call a service center specialist.

Setting up the Neva water heater

The control panel of the domestic gas water heater Neva is very simple. The right knob is used to adjust the water flow, and the left knob is for gas. You can adjust the water temperature with both knobs.

If the left knob is set to “maximum flow”, the device will consume a lot of gas and the water will become hot. The right handle works in a similar way - if you set it to the maximum, the water flow will increase, but it will not have time to get very hot.

Adjust both knobs as needed. Adjust the pressure with the right handle, and adjust the temperature with the left.
Note! The Neva water heater has a peculiarity: if you set the water supply to the maximum, and the gas to the minimum, and vice versa, the device will turn off. To turn it back on, you need to close the hot water tap, and then open it again.
The Neva geyser is quite common and is considered optimal in terms of price and quality.

Correct setting of any water heater will not only significantly save money, but also allow you to use it with comfort. The water heater will last for many years and will not turn off at the most inopportune moment.

Operation, malfunctions and service of the geyser Bosch GWH

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I have a Bosch semi-automatic gas water heater with piezo ignition connected. Can anyone say why she began to heat the water unsatisfactorily? What can you advise me to do to solve the problem? First of all, the heat exchanger was clogged with debris. A high concentration of deposits on the heat exchanger body can make it difficult to fully heat the water, and the water heater starts to heat the water weakly. In this case, you must clean the heat exchanger. The second problem is the frequent overheating of the heat exchanger. This could have been caused by improper operation of the device. The high temperature leads to the formation of scale, which makes it difficult to heat the liquid. In this situation, it is recommended to replace the heat exchanger. We have a gas water heater of this model in a private house. After four years of operation, the heat exchanger began to leak. The repair did not help for long, and after 3 months I had to buy a new device. The installer advised cleaning and maintenance every year. I cleaned and carried out preventive maintenance. In general, this device has worked for 4 years, and the cause of the breakdown is the same - the heat exchanger is leaking. Why is this happening? It is possible that the water is not of the right quality, and therefore the heat exchangers are leaking. In work, the model is of just such a brand. I can't understand why there is excessive heating of the water from time to time? What is the fault? Apparently, the regulators are set incorrectly. It is necessary to transfer them for the summer. Reduce the gas on the burner with the gas flow adjusting knob, and then increase the water flow on the column. There is a malfunction in the Bosch GWH 13-2B gas flow column on batteries. The wick is kindled, I leave it in this position for about 4 minutes. Then I put it into working mode, but the device goes out. Why did this happen? You should remove the housing, remove the tube that supplies the gas to the wick, and clean it.In theory, such a procedure should be performed at least once a year, preferably at the end of summer, since the windows are often open and dust gets into the gas pipe. Can someone explain in what cases the unit sometimes starts to work unsatisfactorily in the heating cycle. What are the remedies? It is possible that the burner has an unstable flame, which means that the diaphragm is damaged and there is insufficient stem pressure on the gas valve. It is recommended to disconnect the water unit from the gas valve. Next, remove the cover from the water block and inspect the membrane for defects, and if it is worn out, install a whole one. A year ago, a gas column of the specified company was installed for heating. This week there was a problem during firing up. When a request for hot water comes in, the igniter is ignited. It lights up and suddenly goes out, and after that the water heater turns on again. And in this rhythm 2 or 3 times. Subsequently, the unit works normally. I don’t understand why the pilot flame doesn’t ignite the main burner? What is the problem? The column now operates as follows. A spark is formed and ignites the igniter. Then the spark disappears, the igniter burns for a short time and goes out. The device again gives out a spark discharge, the wick is ignited, the spark disappears, and after a while the main burner is ignited. There may be a problem with the ionization sensor. First you should examine it. Naturally, it is preferable to put a new one, but if it fails, you will have to clean this one with sandpaper. Also clean the burner using a metal brush. After these operations, be sure to check that the flame is blue and not yellow. In addition, the fire must reach the ionization sensor. We installed and connected a Bosch GWH 13-2 CO-B gas flow column with batteries at the beginning of that year. But in winter, sometimes there is a malfunction in the work, namely, there is not enough gas and even not clean gas is coming. Can you help me solve the problem? There is an adjusting screw at the bottom of the unit. When the burner is running, it is required to turn it to the left and set the correct height of the fire. When summer comes, you can turn it back. If this procedure does not fix the problem, then the pressure in the system is really unsatisfactory. The column has been in operation for approximately four years. Recently, the igniter did not work, and if you try to ignite with matches, the flame can immediately go out when the regulator is put into operating mode. How to fix the situation? I faced the same issue. The repairmen said the thermocouple needed to be replaced. Tell someone a household gas water heater. If I turn on the hot water tap, the unit goes out. I cleaned the thermocouple, but it didn't help. We checked the membrane, everything is in order with it, although we put a new one just in case. The water pressure has decreased, though not really. What is the problem? Most likely, the thrust is unsatisfactory or the thrust sensor is broken. You need to check this. Sometimes, instead of a draft sensor, a bent tube is mounted at the top of the water heater. Air is supplied through this tube, which supports combustion. If the draft is broken, not air, but flue gases enters the tube. As a result, the burner does not receive enough oxygen, therefore it goes out. Additionally, the pilot burner flame must be checked. It must fully cover the thermocouple. If this does not happen, then the thermocouple heats up slightly and stops sending a signal to the main burner for ignition. Yesterday the following malfunction occurred: a household gas water heater, a Bosch GWH 10 P semiautomatic device with piezo ignition, stops during operation. Explain what is the reason and how to eliminate it? It looks like there is a membrane failure in the water assembly. She may have wear or deformation, respectively, you need to change it.You can also inspect the EMC valve, since there is an electromagnetic coil inside it, which can fail. The coil cannot be repaired, only for replacement. Tell me about the malfunction of the gas water heater. 3-4 minutes after ignition, the device goes out altogether, and then the ignition burner can be ignited exclusively with the help of matches. How do I fix the problem? We assume that there is no draft in the chimney, and therefore the draft sensor has worked, and the water heater goes out. You should check the chimney. In addition, there may be overheating of the water in the heat exchanger when the temperature rises to 90C. For this reason, the overheating sensor will turn on, which will extinguish the burner fire. To lower the water temperature, limit the gas flow to the main burner with the regulator. I am interested in the next question, for what reasons does the gas column ignite and suddenly go out? How should this problem be resolved? The first reason is a dirty chimney. Perhaps it contains a significant mass of soot, and the flue gases are poorly discharged, as a result of which the draft sensor is triggered. It opens the thermocouple, and the flame of the device is extinguished. The second reason is a gusty wind, which is able to blow out the flame of the column if there is a draft in the house. This triggers a protection mechanism and shuts off the gas supply. Try to protect the building from strong winds. But still, it is not necessary to completely block the access of fresh air, since the equipment must function with an open window. When operating without fresh air, draft will be poor and the flame will go out. A private house has a Bosch GWH 13 P gas water heater with piezo ignition. Explain, for what reasons, she began to heat the water intensively? What needs to be done to fix the problem? Excessively high blood pressure is a possible cause. Switch the regulator of the heating medium heating temperature to the maximum flow rate, and set the gas regulator to the position of the minimum gas supply to the burner. This adjustment helps to reduce the temperature of the water leaving the column. Why is there a delay in ignition and the gas burner popping loudly? The fire of the ignition mechanism does not reach the main burner, or it is weak. It is recommended to clean the nozzle and ignition mechanism. Then carry out the adjustment procedure. Disturbance in the work of the gas column. I try to start, a spark is generated, although the ignition burner does not ignite. What is the problem? Clogged ignition nozzle. Rinse required. The ignition electrode is in the wrong position. Configure it. There is air in the gas line. Eliminate air. We installed and connected a Bosch GWH 15 gas instantaneous water heater. The problem is that the device starts up and then goes out after a couple of seconds. This mainly happens at night, when the unit will stand idle for some time. In addition, if it periodically heats the water, it does not turn off at all. If you switch the microswitch for a long time, the water heater ignites and works without question for several days. Why is this happening? You should not click the microswitch, it is better to replace it with a new one, since yours is faulty. The actions of the device are roughly as follows. First, a spark is formed, which is fed to the ignition device. The ionisation signal is sent, gas flows to the main burner and the flame starts. If there is no signal that the igniter is functioning, the main burner will also not turn on. In your case, the igniter sends a signal, but the main burner does not start. The ignition process is in progress, but there is no signal, so the gas supply is interrupted. We advise you to clean the electrode. The device is of the same brand in operation. For what reason does the ignition device go out during ignition? What is the malfunction? The thermocouple is inoperative. Replace it. The coil is damaged. Make a replacement.There is a problem in the operation of the Bosch GWH 15-2 column. The picture is as follows: the pilot burner is on, but the main burner is not. What should be done and how to fix it? Low water pressure. Set the required system pressure. To do this, turn the regulator to the right as far as it will go. Diaphragm damaged. Replace. There is a column at home. When you turn off the water, the main burner does not turn off. What is the cause of the malfunction? Most likely, clogging of the flap in the gas valve. Inspect it. Clean if necessary. The stem of the water valve is seized when open. Remove parts, clean, change if necessary. Check the gas inlet pressure. Adjust if necessary. Replace the cylinder pressure reducer. Please tell me why the spark is absent at the moment the device is turned on? The ignition wire has been disconnected. Connect the wires correctly. Faulty thermocouple. You must test this item and repair it. Broken ignition electrode. Replace it.

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NEVA REPAIR

The gas water heater Neva VPG-12E is in operation, after turning on the hot water tap, the column lights up, but the temperature does not rise above 20 degrees. The water pressure is normal, it does not respond to the flame increase regulator, as it was 18-20 degrees, it remains. What could be the problem?

ARISTON

I connected an Ariston Marco Polo Gi7s column. Everything is working. But the device is turned on the second time. That is, you turn on the water, the column starts up, clicks and goes into the E1 error. Then he closed the tap, opened it and it starts up. Powered by a balloon. Is this possible because after her work I turn off the gas?

ELECTROLUX

Malfunction of the Electrolux 275 gas column, you turn on the hot water, everything lights up and works for 5-7 minutes after which a click occurs in it and it goes out together with the igniter. Tell me what is the problem?

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OASIS

Malfunction of the Oasis TUR 20 gas water heater. In the "Summer" mode, the gas and water regulator is at maximum. It goes out by itself when after 5 minutes, when after 30. In the "Winter" mode, with any combination of regulators, it goes out after 30-40 seconds. What can be wrong? Water supply with flexible hoses. Could they be the cause? If so, what to replace?

VECTOR

Tell me I have such a problem: when the water is turned off, the column ignites itself, the temperature rises and does not turn off (I had to remove the batteries), I put the batteries back (I do not turn on the water), it lights up, what should I do?

ASTER

Help me find the reason, the Astra 8910-02 gas water heater, when hot water is on, it goes out from time to time, I cleaned the thermocouple to shine, the membrane is in good condition, but just in case replaced it with a new one, the water pressure is less than that of cold water, what else note?

BOSCH

I installed and put into operation a Bosch WR 13 gas water heater. I moved the nozzles to liquefied gas, remove the jumper from j6, that is, switched to liquefied gas mode, but the column does not work, who knows what about this? When turned on, the green button lights up for a couple of seconds, and then the red starts blinking and only the fan turns on.

JUNKERS

The Junkers gas water heater began to malfunction. It works for 15-20 minutes and goes out. You turn off and turn on the water, the igniter lights up, and after a few seconds it goes out, and you can do this at least how many times, it does not ignite. A little time passes - it works, and again everything repeats itself. The water pressure is good, the gas pressure too. What could be the reason?