How to judge whether the car has just stopped or stopped for a long time? Is it useful to touch the hood?

Methods/steps

Generally speaking, the radiator is not hot at first because there is air in the radiator, so we need to unscrew the exhaust hole to exhaust the air in the radiator until the water runs away. The heating outlet is generally at the upper right of the radiator;

What if the heating is not hot?

Check whether the flow valve is adjusted to the maximum. This valve regulates the inflow of water. Generally, the corresponding scale 5 is the hottest, so we can turn counterclockwise to the left.

What if the heating is not hot?

Check whether the backwater valve is open, generally vertical;

What if the heating is not hot?

Check whether the valve in the pipeline well has been fully opened. If the valves are parallel to the pipes, they will be opened. If pipes are vertical in the drawing, they will open vertically. We need to open the inlet valve and return valve in the pipeline well;

What if the heating is not hot?

Check whether the solenoid valve has been opened, and the arrow points in the direction parallel to the pipeline. If the pipe is vertical in the drawing, it will open vertically up and down. There is one * * * two such solenoid valves, one for inlet and one for backflow. If the arrow is not parallel to the pipeline, you need to contact the heating company to open it. This can't be opened by themselves. They need a special key to open it.

What if the heating is not hot?

Check the inlet temperature and flow rate of the heat meter, and press the red button to switch the display items. If the temperature and flow rate are too low and not hot, you need to contact the heating company or the property to solve it.

What if the heating is not hot?

Clean the filter. If the filter screen is too dirty, it will affect the flow. We need to contact the property or ask a professional to clean it.

What if the heating is not hot?

If all the above problems are eliminated and it is still not hot, you need to contact the property or heating company to check whether there is something wrong with the heating pipe. Sometimes in the process of construction, hot-melt pipe joints are easy to block. In this case, it will be more troublesome to solve. If it is serious, you need to smash the floor, dig out the pipe and weld it again. In addition to the above problems, sometimes the high-rise water supply pressure is not enough, resulting in insufficient flow, which will also be sold to heating, and it is necessary to contact the property or heating company for pressurization.