The colder the weather, the less hot the heating is. What is the reason for this?

More than half of the cases are not hot because they are not drained

There are many reasons that affect heating, but many users’ home heaters are not hot because they are not drained. "Since the opening of the heating system, a heating company of the Municipal Heating Group has received calls from 71 households to report for repairs that the heaters are not heating. After the maintenance personnel came to the door, they found that 85% of them were not heating due to lack of drainage." An introduction from a staff member of Heating Group.

It was learned from the Municipal Heating Group that it received 5,815 low-temperature repair calls from users, and 52.46% of them reported that the heater was not hot because it was not drained. According to the staff, in the initial stage of heating or after repairs and restoration of heating, there will be air in the heating system, forming "air blockage", which will cause the heating in the home to not be hot. To solve the problem of "air blockage", it is necessary to repair the heating system. Carry out emptying and wait until the heating system circulates normally before the heater becomes hot.

This is how to drain the radiator

Everyone is familiar with the word "emptying", but few people can explain clearly how to operate it. For different heating systems, The staff of the Municipal Heating Group gave explanations respectively. The heating equipment in residents' homes in our city can be roughly divided into two types, one is radiators and the other is geothermal pipes. Different heating equipment has different ways of solving "air blockage".

For non-household heating systems, if the heating equipment is a radiator, the system drain valve is installed in the user room on the top floor of the unit. If the unit is not hot, you can contact the top user for emptying. Open the radiator valve and use the "turn it off when water comes in" method to drain it until there are no more bubbles and water flows out. Then close the drain valve. After a few minutes, drain it again. "Draining" does not mean draining water. You must "turn off the heater when it sees water." Do not drain the water in the heater at will, otherwise it will increase the water loss of the system and affect the heating quality.

For household heating systems, if the heating equipment is a radiator, first of all, it must be emptied at the riser of the unit on the top floor of the corridor. The method is the same as that of the old heating system, which is "turn off when water is seen" , after a few minutes, drain again until hot water appears. Then, the interior of each household also needs to be emptied. Unscrew the exhaust valve of each group of radiators, and close the exhaust valve when water is seen. Users with some aging radiator valves should not use excessive force when twisting the valve to avoid damaging it.

In case of sudden damage, do not block it with your hands. The emergency treatment method is: find an old chopstick, sharpen it with a wallpaper knife, make a simple wooden plug, and seal the exhaust If the valve port is blocked and the water leakage is reduced, contact the heating department for timely repair.

This is how geothermal heat solves "air resistance"

For geothermal systems, if the heat of the neighbor's home reaches the standard but the heat of your own home is not hot, this situation is mostly caused by the "air resistance" of the water distributor. ”, it is recommended to empty it manually and clean the filter. If the home is not hot, first drain the water distributor and water collector (generally located in the kitchen and bathroom, with concentrated geothermal pipelines visible on the ground), and it will still "turn off the water at the sight of water".

To perform geothermal draining, first close all the valves of the water inlet pipe and return pipe, open the plug knob at the lower end of the Y-type filter in the water inlet pipe (usually located in the front section of the water distributor), and take out the Use the filter to clean the stains attached to the filter. Open the valve of the water inlet pipe, adjust the valves of each branch to the "closed" state, open the air release valve on the return pipe to release air, close it when water is seen, and open one column after another. After releasing the air, open one column after another. Zhuguan.

Then turn the water inlet valve and the small valves of each branch to the "closed" state, open the return valve, and open the air release valve on the water inlet pipe to release air. It also opens and closes the small valves of the water distributor in sequence. Finally, open all the small valves and let the internal hot water circulate for 5 minutes. Open the exhaust valve again. If water flows out, the "air lock" problem will be solved.