The installation must be carried out in strict accordance with the requirements of the manual and by standardized vacuumizing method.

Without vacuum, the refrigeration effect is not good.

No matter what brand of air conditioner you buy, 99% of you may meet workers who use the above installation methods.

Using the above method, the requirements for installers are not high, and a farmer with little training learned it in half a day. In order to earn unconscionable money, merchants choose a large number of migrant workers. For the installer, this method is extremely convenient to operate, and generally the whole process of taking over and exhausting can be completed within one minute. It is also good for improving daily income, so installers like this method best.

However, the actual measurement shows that this method will lead to a large loss of freon in the user's air conditioning. Under normal operation, more than 65,438+00% of refrigerant will flow into the air, polluting the environment, while the user's machine can only reach less than 80% of the rated capacity, which means that the user will spend 35 machines. Under this installation method, 25 machines can be installed.

There are countless people who have been hurt in this way, with tens of millions of users nationwide, but most air-conditioning users are often unaware of their own injuries.

Some users with detection ability found the problem, which either led to the withdrawal of the machine or very complicated re-vacuumizing and quantitative reloading (this can only be done by individual manufacturers in a few big cities such as Shanghai).

Of course, some users use the way of valve core exhaust, which will have less impact on the machine. A responsible and skilled installer can also ensure the normal operation of the air conditioner by using the direct row mode. And an irresponsible and skilled installer, just like a migrant worker, is most interested in using the most rubbish but convenient method to tighten nuts in a straight line.

This is how the junk installer damages the user's machine:

Vacuum installation is very troublesome, but this is the place that can't be lazy, and it is also the installation method that can best protect the interests of users.

Vacuum installation is the best way for migrant workers to learn standardized installation. If the user sympathizes with the installer, give the installer some compensation during vacuum installation, that is, encourage the installer to adopt vacuum installation method, which is helpful to purify the harsh environment of air conditioning installation.

Operators often make mistakes are:

1. Open the valve on the thin tube side of the air conditioner with an Allen key before vacuumizing, which causes the vacuum pump to pump the refrigerant into the atmosphere, reducing the capacity of the air conditioner.

2. When vacuumizing, use an Allen wrench to take off the tube without opening the valve on the thin tube side of the air conditioner, resulting in the backflow of air and vacuum pump oil into the air conditioner, which brings great danger to the machine.

How do laymen supervise vacuum installation? Highly recommended! ! !

1. Before installation, please ask the installer to move his hand with a hexagonal socket.

2. Shout slogan: Never use an Allen wrench before vacuuming, and be sure to use an Allen wrench before picking up the pipe.

3. Let the installer shout the above slogan to you.

4. After vacuumizing, the installer should return the Allen key to the installer when stopping the vacuum pump, and ask him to open the valve with the Allen key before picking the pipe connected to the air conditioner.

Never let the installer move his hands with this before vacuuming! ! !

Insist that the installer use this handle to open the two-way valve and the three-way valve before removing the pipeline connecting the vacuum pump and the air conditioner! ! !

Vacuum evacuation safety manual, vacuum is a safe and reliable means of evacuation!

This is the most thorough, safest and standard evacuation method.

Even under the premise of incomplete vacuum operation, vacuum pumping can still be realized without any side effects.

The following introduces the double insurance law.

For those who don't trust the vacuum quality, there will be no problem if they are installed in this order.

Installation tool: same as ordinary air conditioner installation.

Vacuum tools: vacuum pump, pressure gauge, single strap valve, not necessarily double gauge, vacuum pump with vacuum gauge is better.

1. It's still an old saying. Unless you trust him, he won't use the Allen key before you agree. In order to prevent the installer from any unnecessary operation, confiscate the Allen key of the installer first! For a master with vacuum experience, you don't have to do this.

Purpose:

A, prevent installation workers from opening the three-way valve to exhaust after installing and connecting the internal and external machines.

B, to prevent some of what sailholder said, the installer will not vacuum, and then vacuum after opening the three-way valve, so that the refrigerant in the air conditioner will be pumped out and discharged into the atmosphere. Many workers will do this, and the air conditioner will be scrapped. Workers who don't understand must confiscate it.