China Monoblock Air Source Heat Pump with CO2 Refrigerant

Product Description

1. This is real CO2 heat pump water heater, with Inverter technology.

2. CO2 is next generantion refrigerant, non-flammable, non-toxic,natural

3. CO2 heat pump can work on -25ºC , and its COP is high , system no need the Aux-heater even in low temp area

4. Our system can make water outcome in 85ºC , suitable for special requirements of hot water ,EVI or any existing heat pump can not do this.

5. Our system is INVETER units, compressor and motors are INVERTER, which can save more energy

The advantages of CO2 as a refrigerant

  • Climate-neutral environmentally friendly refrigerant R744 (CO2)
  • Without environmentally hazardous decomposition products
  • No additional contribution to the greenhouse effect (GWP = 1)
  • Does not contribute to the CZPT depletion (ODP = 0)
  • No disposal and recycling requirements
  • No availability constraints
  • Low security requirements – Safety Group A1
  • Non-toxic, non-flammable, thermally stable, compatible with other materials
  • higher EER in low ambient ,in -15C even have 1.55EER

INVERTER CO2(R744) heat pump specification
LYD 7ZW(40L-260L) 8ZW 14ZW 25ZW 40ZW 50ZW 75ZW 120ZW
Standard temperature condition Heating Capacity kW 6.8 7.8 13.6 24 40 51 75.5 125.4
Hot water capacity L/H 129.9 149 259.8 458 764 974 1442 2396
Heating power input kW 1.51 1.7 3 5.3 9 11.3 16.7 26.6
COP W/W 4.5 4.58 4.6 4.5 4.4 4.5 4.5 4.7
Low temperature condition Heating Capacity kW 5.8 7 12.1 20 35 45.6 64 95
Hot water capacity L/H 97.7 118 203.9 337 590 768 1079 1602
Heating power input kW 1.47 1.7 3 5 9.4 12 16.8 24.3
COP W/W 3.9 4.1 4.1 4 3.7 3.8 3.8 3.9
Ultra-Low temperature condition Heating Capacity kW 5.3 6.5 11.2 14 28 35.7 49.1 78
Hot water capacity L/H 89.3 109 188.8 236 472 601 826 1315
Heating power input kW 1.46 1.71 2.9 4.8 10.1 12.3 16.8 26
COP W/W 3.62 3.8 3.9 2.9 2.8 2.9 2.9 3
Power supply V/Ph/Hz                  
Heating type   Direct
Rated output water temperature ºC 45
Maximum output water temperature ºC 95
Work ambient temperature ºC (-)25-43
Compressor Type Panasonic Dorin(Italy)
Defrosting type     Bypass
Water connection pipe size mm DN15 DN20 DN25
Water side heat exchanger Type Tube-Tube type
Air side heat exchanger Type High efficiency copper tube(Interior Screw) nested in aluminium fin
Refrigerant Type R744/CO2
Dimensions Length mm 520 910 910 1280 1803 1803 2046 2468
Width mm 520 430 430 800 830 830 1106 1368
Height mm 1700 1000 1000 1500 2100 2100 2300 2413
Unit noise level   dB(A) 40 42 45 46 49 50 54 65
Net weight   kg 132 130 181 380 525 650 980 1350
Inverter   DC AC
1.Standard temperature condition:Ambient temperature 20ºC,Water temperature: inlet 15ºC,outlet 60ºC        
2.Low temperature condition:Ambient temperature 7ºC,Water temperature: inlet 9ºC,outlet 60ºC          
3.Ultra-Low temperature condition: Ambient temperature -7ºC,Water temperature: inlet 9ºC,outlet 60ºC        

What to Look For When Buying an Air Compressor

An air compressor is a very useful tool that can help you complete many different types of construction jobs. This handy machine makes many tasks much easier, but not all of them are created equally. Understanding what to look for when buying an air compressor will help you make an informed decision. Here are some of the things you should look for. These include price, size, and energy efficiency. Also, make sure to consider the air compressor’s type.

Single-stage air compressors are quieter

When it comes to noise level, single-stage air compressors are the way to go. These machines have fewer moving parts and are quieter than two-stage models. Single-stage air compressors use an axial flow design and can be quieter than their dual-stage counterparts. Single-stage air compressors can run longer and at lower pressures. Single-stage air compressors can be used for light industrial applications. They have a long life expectancy, with some models lasting for over 3 thousand hours.
While some single-stage air compressors are quieter than two-stage air compressors, both models have noise-reduction features. One type features rubber parts, which are designed to dampen noise. Another feature makes a compressor quieter: its location near the job site. Some models feature rubber base plugs and rubber mats to reduce floor vibrations. In addition to using these features, single-stage compressors are easier to transport.
Noise levels are important when choosing an air compressor. Some machines are too noisy for comfortable work, and some businesses don’t want to expose customers to noise-generating air compressors. Other noise levels can even endanger workers’ health. Single-stage air compressors are more affordable than dual-stage compressors. They are also quieter and more powerful. But be prepared for the noise. Some single-stage air compressors are still noisy.
Compared to their two-stage counterparts, single-stage compressors are quieter when running at full capacity. However, double-stage compressors are quieter on low capacities than single-stage units. Those with variable speed are quietest at lower capacities. The difference is about 10db. If you’re concerned about the noise level, you should consider a two-stage air compressor. But if you have a small workshop, it may not be suitable for you.
One-stage air compressors are generally more efficient than two-stage air compressors. The noise from a two-stage air compressor is lower because there’s no intermediate stage. Single-stage air compressors also use a piston that rotates in a single stage, while dual-stage air compressors, also known as duplex models, are more efficient. A single-stage air compressor is quieter, but double-stage compressors are louder.

Two-stage air compressors are more energy efficient

Two-stage air compressors are more energy-efficient than single-stage machines. The efficiency of two-stage air compressors is increased through a combination of improved efficiency and increased longevity. These machines can store more air and have higher compression ratios. One model of a two-stage compressor can hold approximately 83 cubic feet of air at 100 PSI and 120 cubic feet at 150 PSI. A two-stage compressor is also quieter.
Two-stage air compressors are more energy-efficient because they have 2 pistons instead of one. These air compressors achieve a higher pressure rating and recover more quickly. This type of compressor is perfect for jobs that require high air pressure for a prolonged period of time. In addition, they can operate multiple tools simultaneously. This makes them better for commercial and industrial use. Listed below are some benefits of two-stage air compressors.
Single-stage air compressors can power tools in the garage or kitchen, but they are not as reliable for industrial applications. Single-stage compressors have larger parts that tend to experience condensation. Furthermore, single-stage compressors do not last long in continuous use and are less energy-efficient than two-stage ones. Whether you’re using the compressor for a single tradesperson, a small crew, or a large construction crew, two-stage compressors are the best choice.
Single-stage air compressors are often used in small-scale food preparation and production. Single-stage air compressors are easy to transport between locations, and can be plugged into several electrical outlets. Single-stage compressors are also ideal for high-volume food processing. A dual-stage air compressor is ideal for industrial use. In some cases, you can even move the single-stage air compressor between two-stage air compressors.
Single-stage compressors often cycle too quickly, drawing more electricity than two-stage units. A variable speed unit stays on a low speed for hours at a time. Single-stage air conditioners force you to lower your thermostat settings while single-stage air conditioners run too often. Both units are energy-efficient but they are not as energy-efficient as variable-speed compressors. The main difference is that single-stage air conditioners tend to drain the power source quicker.

Piston-driven air compressors are quieter

A piston-driven air compressor is 1 of the quietest types of air compressors. It is less noisy than reciprocating air compressors. A piston-driven air compressor can reach 62 decibels, while a scroll compressor is around half that volume. The 2 main components of a scroll air compressor are the piston and the helical screw. These air compressors are both very efficient and quiet.
Older compressors are incredibly noisy. They produce a “wumpa” noise similar to a large engine. They are also capable of producing a high-pitched whine. These noises can be deafening, especially in a small workshop. That’s why it’s essential to look for a quiet compressor. But what makes a compressor quiet? Read on to learn more about this essential tool.
Another difference between piston-driven air compressors and electric-driven air compressors is the power source. Electric air compressors produce less noise than gas-powered compressors, which use an engine. Piston-driven air compressors are also more efficient. They also generate less heat, making them an ideal choice for offices and other settings where noise is a problem. The best way to decide between the 2 types of air compressors is to check the manufacturer’s warranty and read the ‘Description’.
Noise reduction is the first priority of a compressor’s owner, so make sure that you have the right model. If you’re working on something sensitive, don’t place the compressor too close to a building where people might be nearby. Noise can be very disruptive to the workspace and can cause health problems. To help combat noise, you’ll need to buy a quiet air compressor. And don’t forget to consider its location: Piston-driven air compressors are quieter than their reciprocating counterparts.
Piston-driven air compressors are quiet because the piston is made of thin metal and more rubber, which absorbs the sound. Unlike reciprocating air compressors, piston-driven air compressors are more efficient than their dual-piston cousins, which are quieter and more powerful. So which type is right for you? Take a look at some of the main differences between the two. If you want a quiet compressor, make sure it meets the specifications required by the job you’re working on.

Oil-lubricated air compressors are more cost-effective

There are several reasons why oil-lubricated air compressors are more expensive than dry-type air compressors. First of all, oil-lubricated air compressors tend to be more reliable and quiet. Additionally, oil-lubricated air compressors require fewer parts and can last longer than dry-type air compressors. These are just a few of the many benefits of using oil-lubricated air compressors.
Oil-free air compressors have some disadvantages. They are less durable and may not be as efficient as oil-lubricated models. Additionally, because oil-lubricated air compressors use oil, they can get very noisy. While they are less expensive, they are not the best option for heavy-duty work. However, modern oil-free air compressors have soundproofing and are suitable for industrial use.
When purchasing an oil-lubricated air compressor, make sure to choose 1 with a tank capacity that meets your needs and your space. Larger tanks can be more expensive than small tanks, but larger units are easier to move around. Also, be sure to consider the weight and size of the portable air compressors when making your choice. If the weight is too large, you may have trouble carrying it from place to place.
Another benefit of using oil-lubricated air compressors is their reduced need for oil. These models can last up to a decade longer than oil-free counterparts. Oil-free air compressors are more affordable and can achieve the same high performance as their oil-lubricated counterparts. Many industrial applications benefit from these air compressors. So, which 1 is right for you? We’ve listed a few of them below.
Another benefit of choosing an oil-lubricated air compressor is the reduced cost of maintenance. This type is more durable than its oil-lubricated counterparts, which require regular oil changes to keep them running smoothly. However, it is not feasible to transport an oil-lubricated compressor, which means that you must install it permanently to keep it working efficiently. In addition, these air compressors are difficult to move and are not portable, which can limit your ability to use it in a pinch.

China Monoblock Air Source Heat Pump with CO2 Refrigerant  China Monoblock Air Source Heat Pump with CO2 Refrigerant


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