When the ground heating time is too long, there will be some sticky mud on the inner wall of the pipeline. This layer of sticky mud is what we call scale. Scale will directly affect the floor heating and cause no heat. At this time, we need to impulse cleaning the floor heating system. The main reason why the floor heating is not hot for the first time is that there is gas in the pipeline, so we first need to do the exhaust work, and directly and manually open the exhaust valve, and each group of water separators exhaust in turn, the specific steps of Ji'nan floor heating installation are as follows.
1, prepare a section of plastic hose and a container for water use before deflating。
2. Close all valves except the inlet valve. The general valve handle is parallel to the direction of the pipe, and the vertical is the close.
3, one end of the plastic hose is set on the vent valve and the other end is placed under the water.
4. Slow unscrewing the vent valve on the inlet pipe of the water separator. The first release is carried out until the water that does not contain a large number of bubbles is released, and then the valve is closed.
5, open a group of water inlet and return valves on the branch of the distributor, then turn on the vent valve on the intake pipe of the distributor again until the water without a lot of bubbles is released.
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