Guidelines Of The Refrigerant Recovery Process
After the clean air act was passed in the year 1993, it was considered illegal to release refrigerants into the air. It is after that law was passed that air conditioning repair jobs became complex. There were costly and new tools that were required for the job. It became important for AC service professionals to start by recovering refrigerant. The process of refrigerant recovery involves removing the liquid from within the system and storing it safely.
Among the most useful aspects of the process is safety. There should be the use of proper equipment for the type of liquid in question. One of the first things that will be required is a pair of safety goggles and gloves that will help to prevent frostbite. There will also be the need for charging hoses that have valve ends. You should always check the condition of the hoses before they are used. For the best results, the shortest hoses should be used. This will reduce impact on the environment.
For the process of recovery, there are three main methods that are used. They are vapor, push-pull and liquid. The liquid process makes it possible to transfer the refrigerant in its liquid form. It is used in transferring the liquid from a container to another. It is the fastest among the three procedures but unfortunately cannot be used for all types of HVAC systems. Some systems will need the vapor process.
The vapor process is slower than the liquid one but is the most commonly used method. The refrigerants in this case are transferred while in vapor state. The liquid and vapor methods are similar with the only difference being that the refrigerants are recovered in different states. There are also differences in settings on the unit.
The other procedure, the push pull one, is very fast but is done in two steps. There will be removal of all the liquid in the first process, after which there is change of hose connection so that vapor is recovered. It is the best method to use when there are more than 10 pounds of refrigerant. The other two techniques would not be ideal in this case.
When it comes to vapor recovery, there is condensing of vapor into liquid at the recovery unit before it gets transferred into a cylinder. Before the process is started, the system being services must be switched off and all its valves closed. The other procedures can then be carried out.
When it comes to transfer of large amounts of refrigerant, the best technique is the push pull one. The recovery unit produces vapor from the cylinder, producing high pressure discharge gas. It is a procedure which is very effective but will need a lot of equipment. It is thus difficult to carry out.
While some of the procedures may be done individually, most people will prefer to use professionals. This is partly because there are environmental regulations that must be followed. Experts will deliver the best services.
Among the most useful aspects of the process is safety. There should be the use of proper equipment for the type of liquid in question. One of the first things that will be required is a pair of safety goggles and gloves that will help to prevent frostbite. There will also be the need for charging hoses that have valve ends. You should always check the condition of the hoses before they are used. For the best results, the shortest hoses should be used. This will reduce impact on the environment.
For the process of recovery, there are three main methods that are used. They are vapor, push-pull and liquid. The liquid process makes it possible to transfer the refrigerant in its liquid form. It is used in transferring the liquid from a container to another. It is the fastest among the three procedures but unfortunately cannot be used for all types of HVAC systems. Some systems will need the vapor process.
The vapor process is slower than the liquid one but is the most commonly used method. The refrigerants in this case are transferred while in vapor state. The liquid and vapor methods are similar with the only difference being that the refrigerants are recovered in different states. There are also differences in settings on the unit.
The other procedure, the push pull one, is very fast but is done in two steps. There will be removal of all the liquid in the first process, after which there is change of hose connection so that vapor is recovered. It is the best method to use when there are more than 10 pounds of refrigerant. The other two techniques would not be ideal in this case.
When it comes to vapor recovery, there is condensing of vapor into liquid at the recovery unit before it gets transferred into a cylinder. Before the process is started, the system being services must be switched off and all its valves closed. The other procedures can then be carried out.
When it comes to transfer of large amounts of refrigerant, the best technique is the push pull one. The recovery unit produces vapor from the cylinder, producing high pressure discharge gas. It is a procedure which is very effective but will need a lot of equipment. It is thus difficult to carry out.
While some of the procedures may be done individually, most people will prefer to use professionals. This is partly because there are environmental regulations that must be followed. Experts will deliver the best services.
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posted by Vittoria @ November 15, 2015
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