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Hot and cold water plants are extremely familiar household appliances for every family, helping you to use hot and cold water continuously without losing time to heat or cool in the refrigerator. So what is a hot and cold water plant, how does it work, please refer to the article below!
What is a hot and cold water plant?
Hot and cold water plant is a device with the ability to use an input water source and simultaneously supply hot and cold water to serve the user’s needs. Each common hot and cold plant has 2 separate hot and cold water faucets .
In addition, some high-end product lines also have health care technologies such as cold compartments to preserve water, sterilization compartments for cups, …
Structure of hot and cold water plants
For heating and cooling water plants with Block
- For the hot chamber
Equipped with an electric heating bar with a capacity of about 500W and with a relay to control the water temperature from 85 – 95 degrees Celsius .
The water temperature is below 90 degrees, the relay turns on the heating rod and when the water temperature is over 95 degrees, the relay disconnects the heating rod , and a second relay is arranged to protect the heating rod when the heating rod temperature is too high.
- For the cold compartment
Arrangement of coils for water cooling. To cool water, there must be a refrigeration system similar to a refrigerator, including block, condenser, evaporator, electronic chip system and capillary.
The cooling system in this compartment has a few differences as the block is smaller, the evaporator is a spiral tube to cool the water. To control the cold water temperature at a temperature of 6 – 10 degrees Celsius , the manufacturer has arranged a thermal relay to disconnect the compressor .
When the temperature reaches 6 degrees Celsius , the relay automatically disconnects, when the temperature exceeds 10 degrees Celsius , the relay will close. The general productivity of hot and cold water plants is as follows: Cooling water about 1 liter/h – 2.5 liters/h , heating about 5 liters/h .
The hot and cold water plants are also designed with a number of handy features: a switch with signal lights for power, air conditioners, heating rods, a grounding safety device for equipment to facilitate the process. usage, avoid leakage of electricity and save energy.
For water plants using electronic chips
Electronic circuit provides 12V DC power to the cooling chip (semiconductor). One side of the cooling chip will generate cold heat, it is close to the aluminum plate mounted in the cold water tank, the cold aluminum plate will cool the water.
The other side of the cooling chip will give off hot heat and it is attached to the heatsink, when operating the cooling fan will suck hot air and blow it out.
When the cold temperature reaches from 8 – 15 degrees Celsius , the temperature sensor of the water plant will signal the circuit to stop supplying power to the cooling chip. This process is repeated during the water use of the hot and cold water plant.
Working principle of hot and cold water plant
Heating chamber unit
This unit is equipped with a water heater with an average capacity of about 500W , and a 2-bar relay unit to control the temperature of hot water ranging from 90 – 95 degrees Celsius .
- The first relay bar is responsible for automatically opening (when the hot water temperature is below 90 degrees Celsius ) and disconnecting the heat source (when the temperature of hot water reaches 95 degrees Celsius ) of the heating rod.
- Second relay bar : Automatically disconnects the heat source to ensure the safety of the machine and the user in case the temperature of the heating rod is too high.
Refrigeration compartment parts
This unit is equipped with cooling technology by electronic chip or by Block to cool water.
Some modern and more advanced hot and cold water plants are also equipped with RO membranes to effectively filter water and bring purer water.
Classification of hot and cold water plants by technology
Based on the operating principle of the machine, hot and cold water plants are divided into 2 types: Block and electronic chip cooled hot and cold water plants.
Hot and cold water plants work based on Block
This technology uses a compressor (Block) with one or two pistons , which maintains the evaporative and condensing pressures of the refrigerant or in other words cooled by gas. The cooling capacity of this hot and cold plant is deeper with a temperature of 5 – 10 degrees Celsius and meets high demand for use.
Advantage
- High durability is widely used in offices, schools, families,…
- Energy saving.
- Capable of supplying hot and cold water continuously to meet high demand.
- Deep cooling like cooling in a refrigerator, superior to electronic chip technology.
Defect
- The price is expensive from 5 to 15 million compared to hot and cold water plants with electronic chips (price updated on June 25, 2022 ).
- When the Block breaks, the replacement cost is also more expensive.
Hot and cold water plants operate based on electronic chips
This hot and cold water plant works based on the way of laser cooling. The mechanism works by trapping and cooling atoms or ions. This method, called Doppler, is the premise to reduce the temperature of the semiconductor, helping to create chips that handle water temperature.
Hot and cold water plants cooled by electronic chips have the ability to cool quickly but the cold temperature is not deep, suitable for households and units with a small number of users .
Advantage
- The price is quite “soft” from 4 to 10 million (updated price on June 25, 2022 ), which is easier to choose and buy.
- If damaged, you just need to replace other electronic chips, which can be more economical than replacing Block technology.
Defect
- Poor heating and cooling capacity: The hottest water temperature reaches about 80 degrees Celsius , the cold temperature is about 15 degrees Celsius .
- Lower durability than hot and cold plants with Block.
- Higher power consumption.
Classification of hot and cold water plants by water source
Based on the water supply for the machine, hot and cold water plants are divided into main types: Set the bottle, suck the bottle, balance the sound, fight quickly and the RO water purifier.
Set up the vase
The potted hot and cold plant uses a pre-filtered water bottle upside down on the top of the water plant to feed into the heating and cooling system. When installing, you need to use a water tank designed specifically for hot and cold water plants, then install the tank on the top part that has been designed in the hot and cold plant.
Advantage
- The price is cheaper than other hot and cold plants.
- Commonly used, easy to repair and replace if unfortunately broken.
- Easily control the remaining water and replace it when it runs out.
Defect
- Takes up more space and space.
- Not really bring high aesthetics.
Smoking bottle
The water plant uses a pre-filtered water bottle, but the water tank is hidden in the body of the device .
This hot and cold plant uses tank suction technology, automatically sucking water from the tank located inside the body and supplying water to the outside for users, especially where space is more limited to install the machine.
Advantage
- Save more space and installation space.
- It takes less effort to transport water and it is easier to replace the tank when it runs out of water.
- Modern design, more beautiful than the water bottle upside down.
Defect
- The cost is higher than that of the pot.
- It is more difficult to keep track of how much water is left or empty in the water tank.
Quick match form
The product is integrated with a filter system or directly connected to a water purifier for water supply. This hot and cold plant will be supplied with water directly into the machine through a separate pipe.
Advantage
- Ensure health safety thanks to being equipped with RO filter cores to help remove impurities and fine deposits.
- Save costs by integrating two features – water filtration and heating/cooling.
- Continuous use, does not take time to change the water tank because the machine is directly connected to the water source.
- Compact, space-saving, suitable for installation in homes and offices.
Defect
- The initial investment cost of hot and cold water plants is higher than other types.
RO . hot and cold water purifier
RO plants combine the function of purifying water, heating and cooling, and equipped with an RO filtration technology system. This hot and cold plant uses filtered water directly from daily domestic water sources to heat and cool water.
The water source will go through the RO filtration system to remove harmful substances . Then, the water is put into the heating and cooling technology in a closed process. Make sure the drinking water source at the faucet is not re-contaminated after being heated and cold.
Advantage
- Provide clean, pure, safe water for health.
- Large capacity is suitable for high demand, especially in peak summer.
- No need to waste time and effort to change the water tank, and save money on buying a water bottle.
Defect
- The price is higher than other hot and cold plants.
Classification of hot and cold water plants by design
Standing hot and cold water plant
The vertical hot and cold water plant is designed to be tall , at the user’s hand level and easy to move, integrated with many modern technologies and extremely convenient utilities.
When buying a vertical hot and cold water plant, you need to pay attention to choosing this main cooling technology :
- Electronic chip cooling: Cooling at 15 degrees Celsius and heating up to 80 degrees Celsius , because there is no cooling chamber, so it does not integrate many modern functions. The machine is only suitable for families or small companies with about 10-15 people .
- Block cooling: Quiet operation, no noise, cooling from 2 to 10 degrees Celsius , maximum heating temperature from 90 to 95 degrees Celsius . Water plants are durable and long-lived.
Table hot and cold water plant
Compact, minimalist design, no compartments underneath, so it’s easy to put on the table to save space in your office or home. The water tank is made of 304 stainless steel, anti-rust, anti-scalding, ensuring water quality, the shell is made of safe plastic for health.
The hot and cold water plant for you is usually equipped with electronic chip cooling with a large cooling capacity of 65 W per 0.8 liters / h , a cooling temperature of 10-15 degrees Celsius (in an ideal environment) and a large capacity. large heating 550 W over 5 liters / h , heating temperature from 85 degrees C – 95 degrees C .
Above is an article to introduce to you What is Hot and Cold Water Plant? How many types are there? Which type is best? Hopefully, from the above advice, you can choose to buy a suitable hot and cold plant!
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