FAQ
Q: How much heating capacity does my home need?
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A:The heating capacity required for your home depends on the size of your home and the local climate, as well as the insulation capacity of your home. In many European countries, the government will give the house energy rating certificate, which is also a reference.
Generally speaking, according to different situations, we will choose 40~80W per square meter, that is to say, for a house of 200 square meters, we need a heat pump of 8KW to 16KW, you will feel that there is a big gap , but this is really the reality situation, the insulation of the house is so important.
Of course, you must also check the heating curve of the heat pump to ensure that it can still provide enough heat in your local minimum temperature.
Q: What can we get from KÖNNEN?
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A:1. You will receive our detailed pre-sales service, from product manuals to installation instructions, you can know in advance;
2. Our price will not be the lowest because we use high-quality accessories, but we guarantee that you can definitely get a reasonable price, which is convenient for you to compete in the market.
3. Excellent product quality. All our products will be tested under full conditions in the laboratory. Our excellent production and quality control team will ensure the excellent performance of each heat pump when it leaves the factory.
4. Timely after-sales service. Our after-sales and technical teams guarantee a 16-hour response time per day, so you can find us most of the time, even with international time differences.
Q: What are KÖNNEN's after-sales terms?
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A:All our heat pumps come with a two-year warranty. During the warranty period, we will provide free accessories to customers and answer any technical questions from customers.
If the heat pump encounters an unsolvable problem, and the problem is caused by our company, we will replace the new heat pump for the customer free of charge.
Of course, a timely after-sales response is lifelong (we are sure we will always be), timely beyond the warranty period.
Q: Does KÖNNEN manufacture other products besides heat pumps?
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A: Yes, in addition to heat pumps, we also produce water tanks and part of heat pump controllers. We can produce not only stainless steel water tanks, but also enamel water tanks. The annual output is about 60,000 units (Year 2022). For heat pump controllers, we have developed controllers for air source heat pump water heaters and water source heat pump water heaters.
Q: How long is the lead time for the heat pump and water tank?
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A:We usually give priority to bulk orders.
The lead time for bulk orders is about 25~35 days;
The lead time for sample order is about 40~50 days.
In case of peak season, the delivery time needs to increase by 5~10 days.
Q: How to become a KÖNNEN partner?
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A:It's very simple, just place an order with us and you are our partner:)
If you want to become our local agent, you need to reach a certain order volume and then sign an agency agreement with us. For agents, we have better terms of service. for example:
1.The best product price;
2.Priority production arrangements;
3.Rich product training;
4.First-hand new product consultation;
5.Free brochure design;
6.More timely email reply and so on.
Q: What is heat pump?
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A:The heat pump is an energy-saving and environmentally friendly product. It can be used to produce domestic hot water, and can also be used for house heating and cooling. There are two types of heat pumps: air source heat pumps and water/ground source heat pumps. Air source heat pump refers to the heat pump by absorbing the energy in the air; Water/Ground Source Heat Pumps refer to heat pumps that absorb energy from groundwater or geothermal energy. The heat pump is mainly composed of the following four components: Compressor, evaporator, electronic expansion valve, condenser. Taking the air source heat pump as an example, the low-temperature refrigerant in the evaporator absorbs the heat in the air, enters the compressor, and the compressor works to further pressurize and heat the refrigerant. The refrigerant with high heat enters the condenser and transfers the heat to water. The pressure and heat are reduced accordingly, and then enter the expansion valve, further reduce the pressure, enter the evaporator to absorb the heat in the air again, and so on.
What is DC inverter air to water heat pump?
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A:DC inverter air to water heat pump refers to a heat pump unit that uses a DC inverter control system to control the corresponding DC inverter compressor, DC fan and water pump. It is characterized by the best energy-saving effect, and the highest cost savings can reach 80% compared with electricity.
In heat pumps, inverter technology is an emerging technology that changes the operating speed of the compressor by changing the power frequency through a inverter.The core of the inverter technology is the inverter, which realizes the automatic adjustment of the motor speed through the conversion of the power supply frequency, and changes the fixed grid frequency of 50 Hz to a variable frequency of 30-130 Hz. At the same time, it also enables the power supply voltage to adapt to a range of 142-270V, solving the problem of affecting the operation of electrical appliances due to the unstable voltage of the power grid.
What is DC inverter air to water heat pump?
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A:DC inverter air to water heat pump refers to a heat pump unit that uses a DC inverter control system to control the corresponding DC inverter compressor, DC fan and water pump. It is characterized by the best energy-saving effect, and the highest cost savings can reach 80% compared with electricity.
In heat pumps, inverter technology is an emerging technology that changes the operating speed of the compressor by changing the power frequency through a inverter.The core of the inverter technology is the inverter, which realizes the automatic adjustment of the motor speed through the conversion of the power supply frequency, and changes the fixed grid frequency of 50 Hz to a variable frequency of 30-130 Hz. At the same time, it also enables the power supply voltage to adapt to a range of 142-270V, solving the problem of affecting the operation of electrical appliances due to the unstable voltage of the power grid.
What is the working principle of DC inverter air to water heat pump?
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A:The working principle of the DC inverter heat pump is to convert a 50Hz AC power supply into a variable voltage DC power supply through processes such as rectification and filtering, and provide it to a compressor using a DC motor to drive the heat pump system.
The working principle of the heat pump system is the same as that of the refrigeration system. To understand the working principle of a heat pump, one must first understand the working principle of a refrigeration system. Refrigeration system (compression refrigeration) generally consists of four parts: compressor, condenser, throttle valve, and evaporator. The working process is as follows: a low-temperature and low-pressure liquid refrigerant (such as Freon) first absorbs heat from a low-temperature heat source (such as room temperature air) in an evaporator (such as an air conditioning indoor unit) and vaporizes into low-pressure vapor.Then the refrigerant gas is compressed into a high-temperature and high-pressure vapor in the compressor, and the high-temperature and high-pressure gas is cooled by a low-temperature heat source (such as cooling water) in the condenser to condense into a high-pressure liquid. Then it is throttled by throttling elements (capillary tube, thermal expansion valve, electronic expansion valve, etc.) to become a low-temperature and low-pressure liquid refrigerant. In this way, a refrigeration cycle is completed.
The performance of heat pumps is generally evaluated by the coefficient of refrigeration (COP).The refrigeration coefficient is defined as the ratio of the heat transferred from a low-temperature object to a high-temperature object to the power required. Usually, the cooling coefficient of a heat pump is around 3-4, which means that the heat pump can transfer 3 to 4 times its required energy from a low-temperature object to a high-temperature object. So a heat pump is essentially a heat boosting device that consumes very little electrical energy during operation, but can extract 4-7 times more electrical energy from environmental media (such as water, air, soil, etc.) to increase temperature and utilize it. This is also the reason why heat pumps save energy.
What are the features of DC inverter air to water heat pump?
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A:
1. High energy-saving efficiency
The biggest advantage of ordinary constant speed heat pumps is energy saving. The low-temperature heat energy in the air is converted into high-temperature heat energy through the compressor. Based on the same hot water production volume, compared with electric water heaters,it maximizes energy savings, with a usage cost of only 1/4 of that of electric water heaters. Compared to traditional gas water heaters, it does not require any gas fuel, and the usage cost is only 1/3 of that of gas water heaters.
The DC inverter heat pump is 30% more efficient than ordinary fixed-speed heat pumps.
2. Comfortable
A major disadvantage of ordinary fixed-speed heat pumps is that the room temperature fluctuates greatly during use, while the DC inverter heat pump is characterized by adjusting the speed of the compressor according to the temperature (load) of the room so that the room temperature does not fluctuate.
3. Security
Electric floor heating has potential safety hazards of electric leakage, and gas water heaters have the risk of gas poisoning. Compared with these two heating methods, DC inverter heat pumps exchange heat through media, avoiding direct contact between electric heating elements and water. There are hidden dangers of electric leakage in heating. Secondly, because the raw material is air, the possibility of gas explosion or gas poisoning in gas water heaters is also ruled out, making people more comfortable and worry-free to use.
4. Environmental protection
Energy saving and environmental protection are complementary, and environmental protection is another plus point for the energy saving advantages of DC inverter heat pumps. First of all, the DC inverter heat pump uses air to transfer heat energy, and does not emit waste gas and toxic gases. It is not only safe, but also creates a pollution-free living environment. Secondly, the service life of air energy water heaters is as long as 10-15 years. The high service life can not only reduce the cost and trouble of people replacing heating equipment, but in a sense, it also reduces waste production, which is also an important aspect of environmental protection.
