Heat pump water heater is a new type of water heater. It converts air energy into heat energy through a heat pump to produce hot water. This water heater solves the disadvantage that solar energy cannot be used on rainy days. In addition, this water heater is more efficient compared to gas water heaters and electric water heaters. Environmental protection when you choose this water heater is a very good choice.

What is the main reason why air heat pump water heaters are popular in the market?

What is the workflow of a heat pump water heater?

What do you know about heat pump water heaters that can be used in hotels?

What is the main reason why air heat pump water heaters are popular in the market?

Air Source Water Heater is a new type of low carbon and environmentally friendly water heater. The operating cost of heat pump water heaters is only 1/4 of the cost of electric water heaters, which is very energy-saving and efficient. Originally, as a fourth-generation air water heater, its greatest feature is safety and money-saving! The operating costs of the air water heater are only 1/4 of the electric water heater, 1/6 of the gas water heater, 1/2 of the solar water heater, 2/3 of the fuel water heater and 3/5 of the gas heating system. The device absorbs the heat in the air to heat the cold water, and the cool air released does not pollute the environment and completely eliminates the safety risks such as flammability, explosion, electric shock and gas poisoning of ordinary water heaters.

What is the workflow of a heat pump water heater?

1. The compressor compresses the low pressure refrigerant flowing back and converts it into a gas with high temperature and high pressure for discharge.

2. The high temperature and high pressure refrigerant gas flows through the copper pipe wrapped around the outside of the water tank, and the heat is passed through the copper pipe into the water tank. The cooled refrigerant becomes liquid under constant pressure and enters the evaporator after passing the expansion valve.

3. As the pressure of the evaporator is suddenly reduced, the liquid refrigerant is quickly evaporated into a gaseous state and absorbs a large amount of heat.

4. At the same time, under the action of the fan, a large amount of air flows through the outer surface of the evaporator, the energy in the air is absorbed by the evaporator, the air temperature drops quickly, and cold air is released and released.

5. The refrigerant that has absorbed a certain amount of energy is then returned to the compressor and enters the next circuit.

What do you know about heat pump water heaters that can be used in hotels?

JNOD hot water heat pumps provide a highly efficient means of heating hot water for commercial and industrial applications. An average COP of 4.2 means that the energy efficiency is more than four times higher than that of conventional water heaters. It removes heat energy from the ambient air. This means savings of 60.75% of energy costs compared to electric water heaters.

Guangdong JNOD New Energy Technology Co., LTD. Provides marketing consulting services and business solutions to customers from over 40 countries. Customized solution for hot water supply based on the customer's market demand.

The operating principle of heat pump water heaters is very similar to that of air conditioning systems. It consumes a small amount of electrical energy to get the compressor running. The working fluid is compressed by the compressor into a liquid state with high temperature and high pressure, and then enters the condenser to release heat to heat the water. By circulating and heating in this way, the water can be heated from 50°C to 65°C.

What are the main components of heat pump water heaters?

How does the heat pump water heater work?

Why should the heat pump water heater be green?

What are the main components of heat pump water heaters?

Four main components of refrigeration technology: evaporator, compressor, condenser and throttling device.

Three stable parts: liquid storage tank (compressor), expansion valve (capillary tube), dry filter (filtering water and impurities)

A large piece of defrosting: four-way valve

Break through traditional energy conversion theory to achieve high energy efficiency:

When operating the heat pump, the working medium in the evaporator can absorb the energy QA stored in the ambient medium;

And starting the system must consume energy, that is, the power consumption of the QB compressor;

At the same time, the heat emitted from the working medium to the high temperature medium in the condenser is QC;

After the compressor input work starts the system, the mechanical kinetic energy becomes thermal energy. The energy output of the heat pump is thus the sum of the work done by the compressor QB and the heat absorbed by the heat pump from the environment QA; Enter a QB to get QB+QA and break the traditional bottleneck that conversion between different energies cannot achieve full efficiency; Heat pump technology is more energy efficient.

How does the heat pump water heater work?

heat pump water heaters work according to the "reverse carnotic" principle, specifically the "outdoor unit" as a heat exchanger absorbs heat from the outside air, heats the low boiling working medium (refrigerant) and evaporates it, and the refrigerant vapor The water is compressed and heated by the compressor and enters the water tank, and the water in which the heat is released is condensed and liquefied and then throttled and pressurized to return to the outer heat exchanger to enter the next circuit. The heat pump water heater simply absorbs the heat in the air to heat the water, and the air that has absorbed the heat can also be used in the kitchen to solve the problem of stuffy heat.

Why should the heat pump water heater be green?

The heat pump water heater has energy saving functions.

The biggest advantage of the heat pump water heater is undoubtedly the energy saving. The low-temperature thermal energy in the air is converted into high-temperature thermal energy by the compressor. Based on the same amount of hot water generation, the energy saving is maximized compared to the water heater with electric heating, and the cost of use is only 1/4 of the cost of electric water heater. Compared to gas water heaters, it consumes no gas fuel and the cost of use is only 1/3 of the cost of gas water heaters. heat pump water heaters take air as the main body and save energy, which not only saves people's usage cost, but also corresponds to the main body of energy saving in the world. This is one of the biggest highlights of air energy water heaters.

Guangdong JNOD New Energy Technology Co., LTD. Focus on research and development of heat pumps and electric boilers, manufacturing and providing comprehensive energy saving solutions.

A heat pump is part of a heating and cooling system. Like an air conditioner, it can cool your home, but it’s also capable of providing heat. In cooler months, a heat pump pulls heat from the cold outdoor air and transfers it indoors, and in warmer months, it pulls heat out of indoor air to cool your home. They are powered by electricity and transfer heat using refrigerant to provide comfort all year round. Because they handle both cooling and heating, homeowners may not need to install separate systems to heat their homes. In colder climates, an electric heat strip can be added to the indoor fan coil for additional capabilities. Heat pumps do not burn fossil fuel like furnaces do, making them more environmentally friendly.

HOW A HEAT PUMP WORKS

A.COOLING MODE

One of the most important things to understand about heat pump operation and the process of transferring heat is that heat energy naturally wants to move to areas with lower temperatures and less pressure. Heat pumps rely on this physical property, putting heat in contact with cooler, lower pressure environments so that the heat can naturally transfer. This is how a heat pump works.

B.HEATING MODE

A Heat pump in heating mode operates just like cooling mode, except that the flow of refrigerant is reversed by the aptly named reversing valve. The flow reversal means that the heating source becomes the outside air (even when outdoor temperatures are low) and the heat energy is released inside the home. The outside coil now has the function of an evaporator, and the indoor coil now has the role of the condenser.

The physics of the process are the same. Heat energy is absorbed in the outdoor unit by cool liquid refrigerant, turning it into cold gas. Pressure is then applied to the cold gas, turning it to hot gas. The hot gas is cooled in the indoor unit by passing air, heating the air and condensing the the gas to warm liquid. The warm liquid is relieved of pressure as it enters the outdoor unit, turning it to cool liquid and renewing the cycle.

Now, more and more families are making the preparation for the Winter, Like installing the heat pump for house heating and hot water.

No hesitate to contact us for OEM/ODM cooperation and development.

Does heat pump consume electricity a lot ?

The answer to this question is of great concern to consumers and JNOD's answer is that air source heat pumps are a very energy efficient new energy heating device, compared to other electric heating devices on the market.

Heat pumps require some electricity to operate, but the amount is relatively small. 

The air source heat pump type works by using a small amount of electricity to drive the compressor to run and put the whole heat pump system into operation.

 

Heat is continuously absorbed from the air through the evaporator. 

Finally the heat absorbed and the heat generated by the electricity consumed is transferred to the water through the condenser.

We usually measure the efficiency of a heat pump in terms of COP. 

This unit is determined by measuring the energy input (in this case, electricity) and the energy output (heat). 

A heat pump with a CoP of 3 can produce 3 kW of heat from every 1 kW of electricity. 

Modern heat pump systems can transfer three to four times more heat energy in the form of heat than they consume in electrical energy to do this job. 

Other electric heating products such as the boiler, which has a COP = 1, mean that as much electricity as you want to produce heat is consumed. 

So choose a product with a COP greater than 1 (JNOD's heat pump) and you'll save on your energy bills!

Furthermore, JNOD's heating and cooling heat pump has Inverter EVI technology, which will allow the heat pump to adjust its operating power according to the ambient temperature, which will be even better.

There are many different factors will influence on your heat pump's electricity consumption, for example lifestyle, size of heat pump, heating space size,etc. 

Don't hesitate to contact JNOD for further advice and discussion on heat pump.

Air heat pump water heater has low energy consumption (power consumption saves more than 2/3 compared to conventional electric water heaters), high thermal efficiency (heating speed is four times higher than conventional electric water heaters), Environmental protection and energy saving (reduces more than 2/3 compared to conventional electric water heaters) carbon dioxide emissions).

What are the differences between heat pump water heaters and air conditioners?

Why do heat pump water heaters improve the consumer experience?

What is the working process of the heat pump water heater?

What are the differences between heat pump water heaters and air conditioners?

The operating mode of the heat pump water heater is very different from that of the air conditioner, which determines the difference in the design concept between the heat pump compressor and the air conditioner compressor. Trouble-free, long-term stable operation of heat pump water heaters Compared to air conditioning systems, there is a big difference in the operating time. The operating time of heat pump water heater systems is much longer than that of air conditioning systems. The operating time of a heat pump water heater depends on the following factors: Air conditioning systems are often used in summer, but water heaters are mass-produced and run particularly long in winter. The time for heating a water tank in winter is several times as long as in summer, so it is necessary to confirm the operating mode of the heat pump water heater in winter.

Why do heat pump water heaters improve the consumer experience?

According to statistical calculations, 2/3 of the service life of the heat pump water heater is consumed in winter. Since the water outlet temperature of the heat pump is over 55°C, the temperature of the water tank decreases when using. The liquefaction temperature is the main factor affecting the service life of the compressor. Under the condition of simultaneous operation, the total load of the compressor in the heat pump water heater is much higher than that of the compressor in the air conditioning system. The main motivation for consumers to buy water heaters with heat pump is energy saving and comfort. Consumers will thus consume more water, which also extends the working time of the heat pump. If the heat pump water heater is used for heating and service water applications, it can run for a long time during the heating period. From the combination of the above factors, it is evident that the main motor of the heat pump water heater will develop in the direction of miniaturization, and the actual operating time will be greatly extended.

What is the working process of the heat pump water heater?

A water heater with compression heat pump mainly consists of evaporator, compressor, condenser and expansion valve. Thermal Circular Process Throttling → Re-evaporation, whereby heat from the environment is transferred to the water.

Guangdong JNOD New Power Technology Co., LTD. sales team has extensive experience in overseas markets. We provide sincere and professional services, including OEM/ODM/project services, technology support, market analysis, use of design and assembly of installation. We have provided marketing consulting services and business solutions to customers from over 40 countries.

How to choose a swimming pool heat pump?

JNOD are selling R32 inverter swimming pool heat pump, its heating capacity ranges from 5.5-32Kw. So, it will be a problem for user or wholesaler to choose the suitable heating capacity for different pool sizes. Let us show you 2 methods to choose the suitable.

Simple & General Method

If you do not want to do complicated calculations and do not take into account extreme weather, you can use the following formula: 3KW for 10m³. For example, if you want to heat a 30CBM pool, (30 CBM÷10CBM)* 3KW = 9KW . So, you can choose the 9.5Kw model.

Accurate calculation Method

This method is used to do a very precise calculation on the heating capacity, considering the heating time, water temperature, ambient temperature, etc.

* Step 1: Calculate the needed heating capacity

In the calculation, we usually set the outlet water temperature at 28℃, primary heating time usually is 48hours.

Formula will use: Q=1.163*△t*V ;

W=Q/T

Explanation:    Q = Heat Demand   (KwH)

△t = Temperature Difference (℃)

V = volume of pool （m³）

W = Heat pump capacity(Kw) - usually will add 15-25% of heat loss

T = Hours for heating （H）

Example: A swimming pool 10*4*1.5m, original temperature is 18℃

Answer: set the target temperature into 28℃, heating hour into 48 hours

Q = 1.163*（28-18）*（10*4*1.5）=697.8 KwH

W= (1+15%) *Q/T=1.15*697.8/48=16.72 KW

*Step 2 : Choose the suitable heating capacity depending on working condition

The heating capacity of a heat pump is not constant; it changes with the ambient temperature. Therefore, after calculating the required heating capacity, we also need to choose the model we need according to the ambient temperature.

Still that sample, we calculate that 16.72Kw is needed. If the ambient temperature is around 24-27℃, you can choose the 17.5Kw model; if ambient temp is around 12-15℃, better to choose 25kw model.

Model	J175P32INVP	J210SP32INVP	J250SP32INVP
Ambient Temperature：（DB/WB）27℃/24.3℃
Heating Capacity (kW)	4.34~18.1	4.72~21.21	5.05~25.28
Power Input (kW)	0.27~2.81	0.29~3.26	0.31~3.89
COP	16.1~6.4	16.2~6.5	16.2~6.5
Ambient Temperature：（DB/WB）15℃/12℃；
Heating Capacity (kW)	3.44~13.35	3.51~14.21	3.81~17.08
Power Input (kW)	0.41~2.61	0.43~2.78	0.48~3.35
COP	8.3~5.1	8.1~5.1	8~5.1

Hope this can help you choose suitable models for swimming pool. 

Any question or idea please don’t hesitate to inquire JNOD!

The heat pump water heater is almost the same as the cooling principle. A good heat pump system design can utilize the cold and hot ends of the refrigeration system at the same time, that is, in hot summer, the indoor is refrigerating, while the outdoor condenser is heating hot water.

What is the purpose of the heat pump water heater?

What are the performance advantages of heat pump water heaters?

What should be paid attention to in the installation of heat pump water heater?

What is the purpose of the heat pump water heater?

heat pump water heater integrates various functions such as hot water supply, heating, dehumidification, cooling, and air filtration:

No matter the weather, rain or snow all year round, the eat pump water heater automatically provides hot water 24 hours a day without interruption;

eat pump water heater High-efficiency dehumidification, the maximum dehumidification capacity is 6~8 kg in 24 hours a day, and the effect is obvious in rainy and rainy weather;

eat pump water heater filters indoor air, and the effect is more obvious when installed in the kitchen.

eat pump water heater With additional heating accessories, it can heat up the room by more than 5°C in winter, making learning, entertainment and sleeping more comfortable. No matter it is cloudy, sunny, day or night, as long as there is air, hot water can be produced. At room temperature, 180L of hot water can be produced per hour.

What are the performance advantages of heat pump water heaters?

1. It is safe enough, water and electricity are separated, no danger, it is heated by the heat of air, and it is highly technological. Other water heaters have certain risks. heat pump water heaters are completely safe, protecting the lives of family members and providing comfortable hot water.

2. Economical enough, heat pump water heater is used in winter, about 1~1.5 kWh of electricity a day, enough for a family of 4~5 people, generally 4~5 people, at least 3~4 kWh of electricity a day.

3. Enough to enjoy, the heat pump water heater can have 24 hours of comfortable hot water, and it is a 24-hour constant temperature, which can be used immediately after opening, saving a lot of time for boiling water and avoiding accidents.

4. It is fashionable enough. The exterior of the heat pump water heater is very good-looking. At first glance, it makes people feel high-end and fashionable.

5. It is convenient enough, the heat pump water heater can be operated by iphone to control the temperature, or it can be controlled by the touch screen of the machine, which is convenient and fast.

6. Comfortable enough, the heat pump water heater has the function of air-conditioning in the kitchen, which solves the problem of hotness in the kitchen and enjoys the sense of accomplishment when cooking.

What should be paid attention to in the installation of heat pump water heater?

With drainage facilities:

When installing the heat pump water heater, condensed water will be discharged during use, so the installation location must have drainage facilities such as floor drains and gutters.

Instrument installation location:

The instrument, that is, the control panel, needs to be installed nearby to avoid rain; since most of the operation modes choose "economy mode", the control panel is rarely operated, and it is not necessary to install it in a very conspicuous position. Install.

Water pipe arrangement:

The inlet and outlet pipes of the heat pump water heater are preferably 25PPR pipes.

JNOD insisted on developing with technology innovation, it possessed of several national famous technicians and had invented multiply product patents. The company has been strictly implement the ISO international quality management system, and the products are of reliable guaranteed quality.

The iterative upgrade of technology has brought more possibilities and greater imagination to the swimming pool equipment industry. This is the case with the application of air energy technology. With the continuous advancement of the dual-carbon strategy, the emergence of Heating and Cooling Heat Pump not only refreshes people's experience, but also redefines the effect of energy saving and consumption reduction.

What changes can Heating and Cooling Heat Pump bring to consumers' lives?

Can the Heating and Cooling Heat Pump provide continuous heating?

What is the running cost of Heating and Cooling Heat Pump?

What changes can Heating and Cooling Heat Pump bring to consumers' lives?

Heating and Cooling Heat Pump is a kind of air-conditioning water heater equipment that uses air as a cold (heat) source to provide air conditioning, heating and domestic hot water to indoor spaces.

There are five operating modes for the Heating and Cooling Heat Pump. The cooling and cooling heating water modes can be operated in summer; the heating and heating heating water modes can be operated in winter; the hot water mode can be operated separately in excessive seasons, so as to provide cooling, dehumidification, heating and domestic hot water to the living environment throughout the year. When the unit operates in the cooling and heating water mode, it can achieve full heat recovery, the total two-way energy efficiency ratio is above 7.0, and the domestic hot water is completely free.

Can the Heating and Cooling Heat Pump provide continuous heating?

Continuity Analysis of Heating and Cooling Heat Pump

Heating and Cooling Heat Pump heating and traditional solar heating are usually equipped with a water tank to store heat for indoor heating. However, the air energy heat pump can absorb low temperature heat energy from the low temperature environment, and then convert it into high temperature heat energy through the compressor, so as to This can continuously supply heating and hot water to meet indoor heating needs. However, when solar heating is insufficient in sunlight, it is difficult to heat the heating circulating water in the water tank, especially at night and in bad weather, the indoor heating effect will inevitably be affected.

What is the running cost of Heating and Cooling Heat Pump?

When the outdoor light conditions are good, the operating cost of solar heating will be lower than that of Heating and Cooling Heat Pump, after all, the heat source mainly comes from free sunlight. However, at night and in rainy, windy and snowy weather, the thermal efficiency of the electric auxiliary heating used in solar heating equipment is much lower than that of Heating and Cooling Heat Pump heating equipment. Especially in winter, rainy, windy and snowy weather occupies most of the time. Therefore, if solar heating wants to get a good heating effect, it must pay more energy.

Guangdong JNOD New Energy Technology Co., LTD. has full experience in the field of energy products for more than 13 years. JNOD has kept growing rapidly during these years since it was established. In 2020, more than 60% of our heat pump products were exported to Europe, North America , Middle East, Australia, and other developed regions.

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