Edward Marcs: Solar Assisted Air Conditioner

edward marcs

The Sedna Aire Solar Assisted Air Conditioning system is a system that utilizes the sun as a heat source to assist the energy n eeded to drive the cooling process of a typical air conditioning system which in turn reduces the el ectrical consumption required to run the compressor.

Edward Marcs solar water heaters

How does a Solar Air Conditioner Work?

The Sedna Aire Solar Assisted Air Conditioning system is a system that utilizes the sun as a heat source to assist the energy n eeded to drive the cooling process of a typical air conditioning system which in turn reduces the el ectrical consumption required to run the compressor.

The Sedna Aire System is similar to a regular air conditioning system in that the refrigeration takes place by evaporating liquid with a very low boiling point. In both cases, when a liquid evaporates or boils, it takes some heat away with it, and can continue to do so either until the liquid is all boiled, or until everything has become so cold that the sub-zero boiling po int has been reached. The difference between the two is how the gas is changed back into a liquid so that it may be used again. A regular air conditioning system uses a compressor to increase the pressure on the gas, forcing it to become a liquid again through the use of the condenser coil. The change of state of the refrigerant, starts to take place approximately 2/3rd’s of the way down the condenser.

Edward Marcs solar air conditioners

The Sedna Aire Solar Assisted Air Conditioning System uses a different method. It uses the solar heat from the sun to superheat the refrigerant which enables the refrigerant to begin changing state at the top 2/3rd’s of the condenser coil. By using this method it reduces the superheat of compression required to achieve the cooling process in the conventional cooling systems as well as utilizing more of the condenser cooling face of the coil. The conventional air conditioning system is only able to change a portion of the gas into a liquid state so as when the refrigerant enters into the metering device it is a saturated vapor. The Sedna Aire process allows more of the refrigerant to change state back into a liquid faster as well as allowing the transformation of more liquid into the metering device.

The Principles Behind Solar Air Conditioners

Sedna Aire Solar Assisted  Air Conditioning uses the sun as a source of heat to provide the energy needed to drive the cooling process. This process is very efficient, since most of the condenser and evaporator coil face is being utilized.

The basic thermodynamic process is not a conventional thermodynamic cooling process based on Charles Law. Instead, it is based on evaporation, carrying heat, in the form of fast-moving (hot) molecules from one material to another material that preferentially absorbs hot molecules.

Edward Marcs solar air conditioners diagram
The Sedna Aire Solar Assisted Air Conditioning system cools by evaporating liquid R407c. The  absorption medium inside the Solar panel acts as a storage tank to maintain the required temperatures needed for the cooling process. With the Solar Absorption tank, the cooling process is maintained for approximately 96 hours without the need of the Sun’s heat. The heated medium also acts as an absorbent to the refrigerant through the solar panel process. With this process, Sedna Aire maintains its energy required for the cooling of the controlled space.

Installations in the Philippines:

  • Nestle Phils, Unilever
  • Legend Villas
  • Club Manila East
  • DENR-GTZ
  • Costa de Hamilo (Hamilo Coast-SM Investments)
  • Makati Medical Center
  • etc.

How to Measure Your Potential Savings Right Now?

Go to your existing air conditioning unit or system and from the system tag or plate acquire the amp rating…this tells you the maximum amps the unit will draw or have someone with a amp meter measure the actual amps that the unit is drawing.

Go to a Sedna Aire model of interest listed on the website and under specifications, find in the compressor section the total rated running current A …this is the maximum amount of amps that this system will draw.

The difference between these two numbers will give you an approximate idea of the potential savings.

There some additional factors that come into play;

The environment…the hotter the location it is…the more efficient your Sedna Solar System will operate and the less efficient a standard air conditioning unit will perform.

It just has to work harder and run longer while still requiring more electrical power to complete the refrigerant cooling task.

Sedna Solar Systems are almost always under rated on BTU’s…because of the natural efficiencies of the solar refrigerant heating cooling process it not only does a better job of removing moisture but actually blows colder air.

The Sedna Aire systems require less compressor run time to produce and maintain optimum cooling temperatures.

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