The gas heating water heater can provide heat source for the heating end system such as low temperature hot water floor radiant heating (referred to as "water floor heating") system, and can provide residents with daily hot water, and there is no pollution during use. Due to these advantages, gas heating water heaters have been favored by many users, and the gas heating water heater industry has achieved rapid development. However, many users may not know that gas heating water heaters have many things to be noticed in some special use environments, otherwise problems may occur.
Then, what should be paid attention to in the special heating environment of gas heating water heater?
Pay attention to the material selection of the connecting pipe when mixing multiple systems
Because the pipe materials used in different end systems are different, the temperature of the water supply should also be different. The pipes used in water heating systems are generally cross-linked polyethylene materials, which require that the water temperature not be too high. When heating with a radiator, the water temperature is higher than the water temperature of the water heating system. When water heating systems and radiators are used in combination, many people often use PE-RT tubes or PE-Xa tubes as concealed connecting tubes between them in order to save money. Doing so will speed up the aging of the connecting tube. It has been shown that PE-RT tubes can be used for 50 years in environments where the water temperature does not exceed 60 °C. Once the water temperature exceeds 70 ° C, its service life will be reduced to 10 years. Therefore, when using the radiator and the water heating system, be sure to pay attention to the choice of the concealed connection tube. Do not neglect the influence of the water temperature on the service life of the tube because of the cheapness.
Decompression is required when tap water pressure is too high
There are many high-rise buildings in modern cities, and the tap water of high-level users is prone to excessive pressure. Once the tap water pressure is too high, not only the pressure on the various components of the heating system, but also the components of the gas heating water heater will increase, and the level of comfort enjoyed by the user will also decrease. Because the pressure of the tap water increases, the water flow speed will increase, which may make it difficult for the bath water to meet the requirements of the human body due to insufficient heating time. Therefore, for places with high pressure on tap water, it is necessary to pay attention to decompression of tap water.
If the user is using a European gas heating water heater, there will usually be a fill valve under the fuselage of the device. The user must turn off the makeup valve after filling the equipment with water. Otherwise, once the water is stopped at home, the water in the gas heating water heater will be discharged into the water tank under the pressure, which will cause the equipment to be in a negative pressure state, causing damage to its heat exchanger or other components.
Gas meter distance equipment needs to increase gas pipe diameter too far
In some places, there is a long distance between the gas meter and the gas heating water heater. At this time, it is necessary to consider increasing the diameter of the gas pipe. Otherwise, the equipment will not be used normally. For example, all the gas meters in a certain district of Shanxi are installed outside a layer of wall. The gas heating and heating water heater in the six-story user's home is often too long, and the flameout phenomenon often occurs during use. This is because the pipe is too long and the pipe resistance is too large, and the air flow is too small. In this case, the problem can be solved by changing the gas pipe to a thick diameter. In addition, it is best to use a gas filter in areas where artificial gas or gas is used. Because of the dust in the artificial gas and some iron slag in the gas pipeline that has been used for many years, it is possible to block the gas valve. Atmospheric areas should pay attention to the freezing problem of chimney condensate
In many cold regions in winter, the outdoor temperature can reach below -20 °C. The condensation water in the chimney of the gas heating water heater is easy to freeze, and even freezes into an ice mass. This ice mass is likely to block the exhaust vents and even the air inlet of the exhaust pipe.
Not only that, but the chimney condensate may also affect the normal use of the gas heating water heater in the downstairs user. The location of gas-fired heating water heaters in some communities in the alpine region may be uniform. That is, from the first floor to the sixth floor, the chimney outlets of the gas heating water heaters are all on one line. At this time, if the upstairs user's home gas heating water heater is in working condition, and the downstairs user's home equipment is at rest. Then, the chimney condensate from the upstairs user's home will drip down the chimney of the downstairs equipment and freeze quickly, causing the chimney of the downstairs user's home to clog. If the downstairs user starts his own gas heating water heater at this time, the equipment will not operate and the explosion will occur.
In addition, in a residential area with three 30-storey buildings in Urumqi, there have been accidents caused by condensed water in the gas-fired heating water heater chimney falling and smashing vehicles and injuring pedestrians. Therefore, in the use of gas heating water heaters in alpine regions, we must pay attention to the problem of freezing condensate in the chimney. The monsoon area should pay attention to the chimney to prevent wind
In the north, winter is sometimes cold and windy, which is very unfavorable for the normal operation of gas heating water heaters. If the chimney of the gas heating water heater is installed in the upwind direction, when the equipment is not working, the cold air will enter the combustion chamber of the equipment, causing the heat exchanger to freeze or even freeze. This problem has occurred in Urumqi, Hohhot, Jiamusi, Weihai and Beijing. The best way to solve this problem is to add a mechanical windshield to the chimney outlet, which will provide good protection for the equipment.
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