What are the advantages and disadvantages of central air conditioning? What should you pay attention to when purchasing? The following is a small series of furniture for you to organize the introduction of furniture related to central air conditioning, I hope to help you.
Furniture for central air conditioning
Advantages and disadvantages of central air conditioning
Everything has its front and back, and central air conditioning is no exception.
advantage:
1, the appearance is simple and beautiful
The central air conditioner adopts a concealed installation, which is directly hidden in the ceiling, and only reveals a simple air outlet. Compared with the hanging air conditioner, it is hung in the room, and the central air conditioner wins a point in design.
2, the air is even and healthy
The air outlet of the air conditioner is uneven, which often causes the temperature in the front area to be extremely low, but the other places are generally flawed.
The central air conditioner is blown from top to bottom, and multiple air outlets are provided to control the temperature more accurately. The high-power operation can make the indoor temperature reach the ideal state quickly, and the temperature is even, and the place is the same everywhere in the house. The temperature, the wind blown out is naturally soft, making the indoor air fresh and comfortable, and avoiding the worry of "air conditioning disease".
3, the cost is not too exaggerated
The cost of the central air conditioner itself is higher than that of the hanging air conditioner, and it requires the professional master to perform the installation operation strictly according to the requirements, and the labor cost is also higher.
However, after installation, on the one hand, because of the installation of precision instruments, the breakage rate is low, and when air conditioning is required in different spaces, the use of central air conditioners consumes less power than installed air conditioners in each room, and is more environmentally friendly and energy-saving. Save money.
4, the market is not flooded, the brand has protection
Central air-conditioning has only begun to become popular in home decoration in recent years, so the market has not been flooded like a hanging air conditioner, and the market is dominated by major brands. In order to compete for the market, major brands have strict requirements on products, and the quality of products under competition has been effectively guaranteed.
Disadvantages:
1. Position planning is required in advance
The “hidden design†of central air-conditioning is actually hiding the fuselage in the ceiling, so it is necessary to plan the location of the central air-conditioning before the renovation. This is not a problem for the new house, but for the old ones who want to improve the quality of life . For the owner of the house, it may be a little thought.
2, the initial installation cost is high
Although the overall cost of central air conditioning is lower than that of the hanging air conditioner, the cost at the initial stage of installation is slightly higher, and the cost is about 30% higher than the latter. Many families are often in the bottom of the wallet when they are renovating. Although they know that the money can be replenished later, there are still families who are discouraged.
3, maintenance is more troublesome
If the hanging air conditioner fails, you can ask the master to check it out at any time. However, the home central air conditioner has only the air outlet and the outdoor unit because it leaks outside, so the maintenance is more troublesome. Therefore, it is best to choose a brand that is trustworthy in the installation, and strictly control the installation process and materials to avoid the troubles.
How to maintain central air conditioning
1, the main unit is equipped with a protective cover
The central air conditioner of the home is equipped with a protective cover, which can reduce the damage of the host by bad weather, and has the functions of dustproof and waterproof, and effectively prolongs the service life of the central air conditioner.
2, boot at least once a month
Even if you do not use the home central air conditioner for a long time, you should keep it at least once a month, otherwise the lubricating oil in the working core compressor in the central air conditioner will condense, and the compressor will be stuck in the next use, which will eventually cause the air conditioner to not work properly. .
3, regular cleaning
Generally, it needs to be cleaned once a month to pump out the filter. It is best to use a vacuum cleaner to clean the dust. If there is not much dust, you can also rinse it with water. In an environment with a lot of dust, the cleaning work should be more diligent, to avoid the dust that blocks the air outlet.
4, do not need to remove dust for a long time
If you enable a household central air conditioner that has not been used for a long time, you should remove the dust cover covered by the outdoor unit and check if the heat sink is excessively dusty. If the air conditioner condenser and evaporator have more dust, do not rinse it with water. Otherwise, water will enter the compressor and affect the normal use of the air conditioner. Professional technicians should be cleaned.
5, disconnect the power when not open
If the power is turned off during the season, the machine should be unplugged and the machine cleaned. The outdoor unit should be covered with a hood. Check whether the air duct is blocked before re-commissioning. If the machine sound is abnormal, please consult the professional in time. Do not force the machine. Run to avoid damage to the machine.
a summary
1. Compared with traditional hanging air conditioners, central air-conditioning saves space and has better air output effect, which is more beneficial to health;
2, and the prohibitive cost is only higher in the initial budget, and will be slowly replenished later;
3, at the same time its high requirements for maintenance and installation can not be a shortcoming, but it is a strong guarantee of its excellent quality.
Therefore, if the budget is still available during the renovation, it is recommended to use central air conditioning, which is superior to traditional hanging air conditioners, both in terms of user experience and the product itself.
Central air conditioning refrigeration system
Refrigeration system editing refrigeration technology for air conditioning belongs to the ordinary refrigeration range, mainly using liquid vaporization refrigeration method. (Mainly, the liquid vaporization process is to absorb the latent heat, and the liquid pressure is different, the boiling point is also different, the lower the pressure, the lower the boiling point.) According to the different ways of heat transfer from high temperature objects to low temperature objects, it can be divided into: vapor compression Refrigeration, absorption refrigeration.
Ice storage system
System principle
The ice storage system is in the low electricity consumption period with low power load, using the preferential electricity price, using the main mechanism ice of the electric refrigeration air conditioner, and storing it in the ice storage equipment; in the daytime when the electric load is high, avoiding the peak electricity price and stopping Or intermittently operate the electric refrigeration and air conditioning main unit to release the cold storage stored in the ice storage equipment to meet the needs of the building air conditioning load.
System background
In order to balance electricity consumption and cut peaks and valleys, countries around the world have fully implemented the peak-to-valley electricity price policy. Under the guidance of the government and the power sector, the government and the power sector have vigorously promoted demand-side management (DSM) to alleviate power construction and Add contradiction in electricity use. Various regions have also introduced relevant policies to promote the development of ice storage air conditioning, which has promoted the development and application of cold storage air conditioning technology. In particular, the price difference between peak and valley is gradually increased, and the price difference between peak and valley in most regions has more than tripled. With the further expansion of the implementation range of peak and valley electricity prices and the increase of the peak-to-valley electricity price ratio, it provides more favorable conditions for the promotion and application of electric energy storage technology.
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