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 basic principle and characteristics of Swimming Pool Heat Pump. It is based on the basic principle of the reversed Carnot cycle, using a small amount of electricity to drive a device that transfers heat from a low-temperature heat source to a high-temperature heat source.

What are the advantages of Swimming Pool Heat Pump?

What is the current development trend for Swimming Pool Heat Pump?

What is the working physics of the Swimming Pool Heat Pump?

What are the advantages of Swimming Pool Heat Pump?

1. The water temperature of the Swimming Pool Heat Pump can be set freely, and the scope of application is wider, and it can be flexibly applied to various engineering needs.

2. Swimming Pool Heat Pump uses Copeland scroll compressor, which has high efficiency, low vibration, convenient maintenance and low operational risk.

3. Swimming Pool Heat Pump has a wide operating temperature range and is more reliable in application.

4. Swimming Pool Heat Pump adopts the parallel design of compressors, which makes the operation more stable and the failure rate is lower. Even if one of them fails, the unit can still operate, reducing operational risks.

5. Swimming Pool Heat Pump meets all-around application, with cooling, heating and hot water functions.

What is the current development trend for Swimming Pool Heat Pump?

In the competition and iteration of many heating methods, Swimming Pool Heat Pump has become the mainstream choice of swimming pool business in recent years with the characteristics of clean energy and high energy efficiency. In the past, the Swimming Pool Heat Pump was limited by technology, and as the temperature dropped, its heat pump performance also declined. Facing the requirement of constant temperature swimming pools to operate in four seasons, energy saving and high efficiency, the industry rookie frequency conversion Swimming Pool Heat Pump subversively refreshes the annual energy efficiency performance of Swimming Pool Heat Pump, stunning the market.

What is the working physics of the Swimming Pool Heat Pump?

Swimming Pool Heat Pump is a high-quality product specially developed for indoor swimming pools. It integrates air conditioning, dehumidification, pool water heating, heat energy recovery, and fresh air treatment. It recovers and comprehensively utilizes energy in a large amount, and overcomes many problems such as high humidity and high chlorine environment. The change of different operation modes in spring, summer, autumn and winter achieves efficient and energy-saving operation.

Swimming Pool Heat Pump can fully control indoor relative humidity at 50~75%, air temperature at 27~30℃, water temperature at 26~40℃, and advanced intelligent ventilation control to maintain a high-quality indoor comfortable environment. Widely used in dry swimming pools, hot spring resorts, hotels, clubs, other fields, factories, schools and other fields that require dehumidification and constant temperature.

The working principle of Swimming Pool Heat Pump is to recycle the evaporative heat loss on the surface of the pool water, transfer it into the pool water and air, make up for the heat loss of the pool water and air, and realize the function of air conditioning and dehumidification at the same time.

Guangdong JNOD New Energy Technology Co., LTD. has various Swimming Pool Heat Pumps that can provide the best quality, and make people feel more comfortable, reliable, and consistent.

Mid-autumn Festival is a traditional festival in China, takes place annually on the 15th day of the eighth month in the Chinese calendar. This year, that day falls on September 10. To celebrate the holiday, families and friends gather to revel in festivities like feasting on mooncakes, playing with lanterns, and moon gazing, It’s also a time of giving thanks for a good harvest.

Most of people enjoy this special date for families or friends reunion, JNOD electric boilers and heat pumps will always be by your side, providing you warm and comfortable!

We also would like to take this opportunity to thank all our customers for their continued kind support, which has allowed JNOD to grow and become better and better.

Please kindly be advised that our company will be on vacation from 10 SEP to 12 SEP ,2022.

Our sales team and after-sales service team will always keep online and continuous service,

Let's keep in touch.

Interclima is coming~

Interclima is the living history of all stakeholders in the sector HVAC in building: manufacturers, distributors, installers, consultants and project managers, maintenance and operating companies, contractors … As part of the Mondial du Bâtiment, it also shines internationally. The technology and equipment of  renewable energy , the quality of indoor air  nd ventilation, heating and hot water.

The INTERCLIMA 2022 will take place on 4 days from Monday, 03. October to Thursday, 06. October in Paris. The JNOD team is exhibiting with our latest boiler, Heat pump products, booth number is Pav.3-E111, welcome to visit us to discover our new products.

· From Monday 3 to Thursday 6 October 2022

· Venue: Paris Porte de Versailles (VIPARIS)

· City: Paris

· Booth Number: Pav.3-E111

Heating and Cooling Heat Pump installs a four-way reversing valve on the basis of ordinary air conditioners, and changes the operation of the valve, which can exchange the functions of the evaporator and the condenser of the original air conditioner, so as to change the function of cooling indoor air. Changed to the function of heating indoor air.

What are the structural advantages of the Heating and Cooling Heat Pump?

What is the user's experience with Heating and Cooling Heat Pump?

Why the use of Heating and Cooling Heat Pump can save resources?

What are the structural advantages of the Heating and Cooling Heat Pump?

The evaporator of the Heating and Cooling Heat Pump adopts the method of countercurrent heat exchange for heat exchange to enhance the heat exchange effect; moreover, the heat exchange method combining fins and tube bundles is used, and each row of heat exchange tubes is arranged in a cross. The method of turbulence increases the convective heat transfer coefficient on the exhaust side and enhances the heat transfer effect;

The refrigerant tube bundle of Heating and Cooling Heat Pump is made of red copper, and the fins are made of hydrophilic aluminum foil. The condensed water in the exhausted air drips on the surface of the heat exchanger to form a water film that is conducive to heat exchange, increasing the heat exchange coefficient and enhancing the heat exchange effect;

The Heating and Cooling Heat Pump has an advanced microcomputer control system, and adopts a special programmable controller PLC for imported air-conditioning equipment, which has the ability to resist electromagnetic interference, intelligent coupling between building load and unit heating; Display, fault alarm and diagnosis functions.

What is the user's experience with Heating and Cooling Heat Pump?

The Heating and Cooling Heat Pumpis also very comfortable, clean and safe. In the past, when burning coal, it was not only dirty, tiring and troublesome, but also the temperature was not high, usually 14-16 degrees, and you had to wear cotton-padded clothes at home. Now open to 18 degrees and wear a thin sweater. If the weather is cold, turn up the temperature. Anyway, the Heating and Cooling Heat Pump is also very convenient, and you can adjust the temperature by pressing a button.

Why the use of Heating and Cooling Heat Pump can save resources?

The Heating and Cooling Heat Pump unit has the dual functions of supplying cold water in summer and supplying hot water in winter. Using air as the heat source and cooling source can greatly save water and avoid the pollution of water quality. The air-cooled modular cold and hot water unit can be placed on the top floor of the building or on the outdoor platform to work, eliminating the need for a dedicated cold source machine room and boiler room.

JNOD focuses on heat pump& electric boiler R&D, manufactures and provides comprehensive energy-saving solutions. Our sales team have extensive experience of overseas markets. We provide sincere and professional services, including OEM/ODM/project services, technology support, market analysis, usage of design and composition of installation.

Air source heat pump water heaters are the same as the heating principle of air conditioners, they are all heat carriers. The air conditioner moves the outdoor heat into the room, and the air energy water heater moves the outdoor heat to the water tank to heat the cold water in the water tank. Because the heat in the air is free, the air energy water heater also saves electricity.

What is the operating mode and principle of the unit composition of the heat pump water heater?

What are the benefits of installing a heat pump water heater?

What is the difference between a heat pump water heater and an air conditioner?

What is the operating mode and principle of the unit composition of the heat pump water heater?

The heat pump hot water unit is composed of a refrigeration cycle, including two parts: the main engine and the condenser. The main engine part includes evaporator, fan, compressor and expansion valve; the condenser is an incubator with condensing coils inside. The refrigerant absorbs the heat from the outside air in the evaporator and releases heat in the condensing coil through the heat pump cycle to heat the water in the water tank. The thermal insulation layer of the water tank is foamed with closed-cell rubber sponge or polyurethane, and has good thermal insulation performance.

What are the benefits of installing a heat pump water heater?

1. Safety: No gas, no waste gas, and no "gas poisoning"; no electric heating rod for heating, there is no danger of leakage, and people's health and safety are protected.

2. Save money: The COP value is more than 3, the energy efficiency ratio is high, and it definitely saves electricity and money. It can save 2/3~3/4 of electricity expenses, or 1/2~2/3 of gas expenses and auxiliary heating expenses of solar water heaters.

3. Comfort: automatic constant temperature and pressure water supply, never hot and cold when using hot water, hot water has pressure, good comfort. All-weather supply of domestic hot water makes up for the embarrassment of solar energy when there is no hot water available in rainy days, nights, no sunlight, and freezing.

4. Environmental protection: The cold air discharged from the heat pump water heater is beneficial to reduce the room temperature.

What is the difference between a heat pump water heater and an air conditioner?

Comparison of heat pump water heaters and air conditioners: The principle of heat pump water heaters and air conditioners is the same, but the technical content of heat pump water heaters is higher than that of air conditioners, which is why heat pump water heaters have only been listed in recent years. In general, heat pump water heaters are the product of the development of science and technology to a certain stage. The heat dissipation temperature of the air conditioner cannot work in an environment where the cooling temperature is 40~50°C, and the water temperature of the heat pump water heater can reach about 60°C or even higher.

Guangdong JNOD New Energy Technology Co., LTD., which has been established for several years, focuses on the production of heat pump water heaters. Here, you can find the heat pump water heaters you need.

Heating and Cooling Heat Pump is a central air-conditioning unit that uses air as a cooling (heat) source and water as a circulating medium to transfer energy. Its advantages are that it is easy to install and use, and it can be used after connecting to the power supply, saving a complex cooling water system and a boiler heating system.

Compared with other products of the same type, why is Heating and Cooling Heat Pump cost-effective?

What are the common Heating and Cooling Heat Pumps on the market?

What to look for when choosing a Heating and Cooling Heat Pump?

Compared with other products of the same type, why is Heating and Cooling Heat Pump cost-effective?

Compared with electric boilers, Heating and Cooling Heat Pump can save more than 50% of power consumption, and reduce the trouble of frequent replacement of electric heating tubes; Compared with traditional coal boilers and oil-fired boilers, Heating and Cooling Heat Pump is pollution-free, emission-free, and safe , eliminating the need for annual routine security inspections, eliminating the need for professional boiler workers, fully automatic temperature control, and significantly reducing operating costs by more than 50%. Heating and Cooling Heat Pump completes a heat pump for heating and cooling needs in a particular field. Generally speaking, Heating and Cooling Heat Pump uses specialized heat pump compressors, special refrigerants and systems.

What are the common Heating and Cooling Heat Pumps on the market?

There are many types of heat pump water heaters on the market, mainly including three series of solar boost type, water source and air source. Solar-assisted heat pump is a heat pump technology that combines heat pump and solar energy technology; water source heat pump uses a certain temperature water source (above 20 ℃) as a heat source and uses refrigerant as a medium to absorb the heat in the water source and then compress it by a compressor. For heating, exchange heat with cold water through a heat exchanger to achieve the purpose of heating and producing hot water. The water source heat pump must have a water source with a certain temperature and flow; the air source heat pump obtains heat from the air in a similar way to the water source heat pump to heat water. Among the three types of heat pumps, the air source heat pump is subject to the least restriction and has the largest development space.

What to look for when choosing a Heating and Cooling Heat Pump?

Whether the Heating and Cooling Heat Pump saves electricity has a lot to do with outdoor temperature, building insulation, user usage, equipment purchase and installation. If you want to save more electricity, users not only need to carefully select air source products, such as buying big brands as much as possible, finding professionally qualified installers for installation, etc., but also mastering the correct air source heat pump heating method, in order to achieve high efficiency and energy saving.

Guangdong JNOD New Energy Technology Co., LTD. has various Heating and Cooling Heat Pumps that can provide the increasing of products, and make them more effective, reliable, and consistent.

So, what is a heat pump?

A heat pump is part of a home heating and cooling system and is installed outside your home. Like an air conditioner such as central air, 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.

Also with water tank inside, it can provide DHW for your kitchen and bathroom.

To achieve heating for our house, there are total three kinds of heat pump we manufacture for our customer. They are:

1. Swimming pool heat pump;

2. Hot water heat pump;

3. Multi function heat pump (heating, cooling & DHW)

WHERE DO HEAT PUMPS WORK BEST?

Homeowners in need of a new heating or cooling system, may consider the type of climate they live in before purchasing a heat pump system. Heat pumps are more common in milder climates, where the temperature does not typically drop below freezing. In colder regions, they can also be combined with EVI system for energy-efficient heating on all but the coldest days.

JNOD are using R134a, R410a, R32 & R290 on our heat pump products. We have range from 10kw to 32kw. Product type are with monoblock & split.

Learn more about our products on website: https://www.jnodheatpump.com

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