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Many users in the winter when using the radiator found that the top of the radiator is not hot under the heat, resulting in poor heating effect. In fact, the heat above the radiator is not hot below the radiator is one of the most common problems encountered in such cases generally can be resolved, but the regulation of indoor heating facilities is not to open the valve and then closed such a simple thing, you need the user Exhaust or water solution, if you find ways and techniques, you can do more with less.
Heat above the radiator is not hot under the reasons
1, too much gas in the radiator
Too much gas in the radiator blocks the pipe, resulting in a partial heating of the radiator. At this time, the bleed valve set in the system should be opened for deflation. If the valve fails, the valve disc comes off and the heat medium flow channel is blocked in the valve seat. At this time, the valve gland should be opened for repair, or the malfunctioning valve can be directly replaced.
2, pipeline access error
The heating and return pipes of the heating system are connected with the delivery and return pipelines of the entire building, or all of them are sent (or returned) to the water pipe, so that the normal thermal cycling circuit cannot be formed, which may cause the radiator to be partially hot. The reason for this is to understand the thermal circulation system and pipe laying of the entire building and carefully check it to correct the wrong pipe.
3, heating system pipe plugging
If the heating system pipe is blocked, the radiator will naturally appear hot or partially hot. When such a failure occurs, the point of clogging should be judged first, and then the pipe should be disconnected to remove dirt from the pipe or replace the pipe segment.
4, the installation of pipe slope is not reasonable
The installation of heating system piping is not reasonable, resulting in gas plugs inside the piping, blocking or reducing the flow cross-sectional area of ​​the pipe section, causing local heat. At this time, the slope of the pipe section should be adjusted to meet the design requirements of slope and aspect.
5. Distinguish the connection method separately
Indoor parallel, when the radiator is hot and cold, this shows that there are sediments, need to open the living clearing plug; the radiator is cold and hot, there may be gas blocking, need to open the radiator valve deflation; series user indoor The overall radiator cooling, single group is not hot or cold under the heat, take a single household respectively exhaust, top bleed, the bottom of the sewage method to solve.
6, heating regulation is not in place
In a single-family home, if there is a group of radiators or several sets of radiators are not hot, the reason is probably that the heating regulation is not in place, indoor adjustment is needed, and the indoor heating can be connected in parallel to the first radiator of the household The valve is opened slightly, after which the radiator valve opens in turn larger.
Radiator above the hot under the hot solution
1: Open the air release valve on the side of the radiator and slowly drain the product until hot water is released.
2: First of all, make sure your home's radiator valve is open. Ask the neighbours who are upstairs and downstairs if they have any openings.
3: For those who have not changed the heating, the solution is: to find a thermoelectric company.
4: Replace the new cavity with no sand cast iron radiators or steel elliptical radiators and Other new products.
5: There is a possibility that the radiator is not hot under the heat. It may be that the pre-installation is not in place, or it may be due to improper use or poor maintenance. If there is a problem with the installation, you should find the radiator installation company for post-service if it is improperly used or Inadequate maintenance can be solved by yourself according to the relevant instructions of the radiator, or find a professional HVAC company to provide services.
Heat above the radiator is not hot under the reasons
1, too much gas in the radiator
Too much gas in the radiator blocks the pipe, resulting in a partial heating of the radiator. At this time, the bleed valve set in the system should be opened for deflation. If the valve fails, the valve disc comes off and the heat medium flow channel is blocked in the valve seat. At this time, the valve gland should be opened for repair, or the malfunctioning valve can be directly replaced.
2, pipeline access error
The heating and return pipes of the heating system are connected with the delivery and return pipelines of the entire building, or all of them are sent (or returned) to the water pipe, so that the normal thermal cycling circuit cannot be formed, which may cause the radiator to be partially hot. The reason for this is to understand the thermal circulation system and pipe laying of the entire building and carefully check it to correct the wrong pipe.
3, heating system pipe plugging
If the heating system pipe is blocked, the radiator will naturally appear hot or partially hot. When such a failure occurs, the point of clogging should be judged first, and then the pipe should be disconnected to remove dirt from the pipe or replace the pipe segment.
4, the installation of pipe slope is not reasonable
The installation of heating system piping is not reasonable, resulting in gas plugs inside the piping, blocking or reducing the flow cross-sectional area of ​​the pipe section, causing local heat. At this time, the slope of the pipe section should be adjusted to meet the design requirements of slope and aspect.
5. Distinguish the connection method separately
Indoor parallel, when the radiator is hot and cold, this shows that there are sediments, need to open the living clearing plug; the radiator is cold and hot, there may be gas blocking, need to open the radiator valve deflation; series user indoor The overall radiator cooling, single group is not hot or cold under the heat, take a single household respectively exhaust, top bleed, the bottom of the sewage method to solve.
6, heating regulation is not in place
In a single-family home, if there is a group of radiators or several sets of radiators are not hot, the reason is probably that the heating regulation is not in place, indoor adjustment is needed, and the indoor heating can be connected in parallel to the first radiator of the household The valve is opened slightly, after which the radiator valve opens in turn larger.
Radiator above the hot under the hot solution
1: Open the air release valve on the side of the radiator and slowly drain the product until hot water is released.
2: First of all, make sure your home's radiator valve is open. Ask the neighbours who are upstairs and downstairs if they have any openings.
3: For those who have not changed the heating, the solution is: to find a thermoelectric company.
4: Replace the new cavity with no sand cast iron radiators or steel elliptical radiators and Other new products.
5: There is a possibility that the radiator is not hot under the heat. It may be that the pre-installation is not in place, or it may be due to improper use or poor maintenance. If there is a problem with the installation, you should find the radiator installation company for post-service if it is improperly used or Inadequate maintenance can be solved by yourself according to the relevant instructions of the radiator, or find a professional HVAC company to provide services.
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