Huazhao Refrigeration Equipment Blog

 Heat pump water heater, as the name suggests, is a device that uses the principle of heat pump to generate hot water. In principle, all heat pump water heaters adopt a thermodynamic reverse cycle. The refrigerant is driven by the compressor to absorb the heat of the external environment from the evaporator, and the condenser and the equivalent heat of the compression work are put into the heating unit. In the water. Today, the  heat pump water heater exporter ​ will introduce you to how to install a heat pump water heater. 1. The positioning of the unit and the location of the unit is determined mainly by considering the load-bearing capacity of the floor and the influence of the unit's air intake and output. 2. The foundation can be made of cement or channel steel, and the foundation must be on the load-bearing beam on the floor. 3. Placement adjustment to ensure stable placement of the unit, and a shock-absorbing rubber pad between the unit and the foundation. 4. The c...

  There are two types of chillers:  portable chillers  and central chillers. Next, the  chiller supplier  will share with you. Portable chillers Portable chillers typically have smaller capacities (30-40 tons or less), simpler overall designs, and lower installation costs. Equipped with casters, they are easy to move, easy to connect (using flexible hoses) and easy to start. Portable chillers are often optimized to provide a fixed amount of heat transfer capacity (in tons). They are ideal when a piece of process equipment requires a cooling stream at a significantly different temperature than the rest of the equipment. Typically, portable refrigerators operate most efficiently when the cooling load is closely matched to the rated capacity of the refrigerator. DC series small chillers use a  DC power supply , using coolant as the heat transfer medium, transferring heat generated by other instruments or equipment that need to be cooled, and dissipating h...

 The High Efficiency Industrial Water Cooled Scroll Chiller cooling capacity from 9KW to 120KW. This series units integrates the characteristics of many other products, using imported full-closed scroll compressors, supplemented by high-efficiency heat exchangers and adopts microcomputer controllers, which makes the unit compact, reasonable layout, convenient to use and maintain. It is automatically adjusted according to load changes and is more energy efficient. Features of Water Cooled Scroll Chiller : 1. Energy with high efficient 2. Operation noise and vibration is low 3. No friction loss 4. Low starting current 5. High system sustainability 6. Environmental protection Safety system: 1 Compressor reverse protective 2 Freeze protector protective 3 Refrigerant safety valve 4 Buzzer 5 High-pressure gauge and Low-pressure gauge 6 Power phase failure protector 7 Coil over-heat protector 8 Temperature auto-switch 9 Refrigerant shortage protective Box type water cooled scroll industr...

  1. Increased energy consumption If the compressor is running at low pressure, the motor load will become smaller, and a  chiller  with a low-pressure failure will waste electricity under the same cooling conditions. 2. Smaller cooling capacity If the chiller suction pressure is low and the return air volume is reduced, the cooling capacity will not reach the target.   What are the causes of low chiller pressure? How to solve? 1. Insufficient refrigerant or leakage Insufficient refrigerant will lead to system pressure failure, resulting in lower suction pressure. The chiller will issue a low pressure alarm and the unit will stop. Solution:  The refrigerant leakage part can be diagnosed from the piping connection of compressor, condenser, filter, expansion valve, evaporator and other accessories. After troubleshooting, charging the right amount of refrigerant can solve the problem.  Water Cooled Screw Chiller   2. Low ambient temperature When the outsi...

  High voltage alarm is one of the frequent faults of the chiller. There are many reasons, but the biggest reason is the reason for the cooling water system. The following is an analysis of the specific reasons and provides a simple solution. Get a free quotation . If your water  chiller  is air-cooled, please refer to the following for troubleshooting: The  air-cooled chiller  condenser is used for cooling by the fan. The causes of high-pressure failure are as follows 1. Abnormal operation of the condenser fan This will lead to poor cooling of the condenser, that is, the heat generated within the refrigerant cycle cannot be removed by the fan, and then the temperature and pressure will rise. Just like when we blow the fan in hot weather, if the fan does not turn, we will continue to perspire, which is abnormal in heat and the high-pressure alarm will not occur. Solution: Check and repair the fan, remove dust and debris around the fan hood, after stopp...

 A chiller or  chilled water system  is a type of refrigeration system that uses water as a secondary refrigerant. They are used in larger and more complex heating, ventilation, air conditioning and refrigeration (HVACR) applications. Typical applications for chillers are listed below.   ㆍDistrict cooling ㆍCentral air conditioning ㆍHydroponics ㆍFood and beverage processing ㆍPharmaceutical and medical ㆍCold Storage ㆍThermal Energy Storage (TES) systems ㆍMachining, waterjet cutting, laser cutting, welding, etc. ㆍPlastic processing    Water Cooled Screw Chiller ​ As opposed to chillers, direct expansion (DX) refrigeration systems cool air directly from the room or enclosed space without the use of secondary refrigerants. The DX type is more suitable for smaller applications, such as residential space cooling and small freezers and refrigeration units.   Principle of operation Chiller systems  consist of two main loops or circuits. These are the refri...

  Today, both condensers and coolers are very important heat exchange components in commercial or industrial refrigeration equipment and are widely used in many applications. Many customers are curious about the difference between a condenser and a cooler.  There are four differences between the condenser and the cooler in the design. The first is whether there is a phase change, the second is the difference in heat transfer coefficient, and the third is the series heat exchanger. Fourthly whether there is a liquid level control port. Today the  chiller supplier  will talk about this aspect. 1. With or without phase change The condenser will condense the gas phase and transform it into a liquid phase. The cooling water of the cooler only cools, there is no phase change, just a pure temperature change; in addition, the cooling medium they use is also different. The purpose is also different. The cooler is used to cool the material without phase change. The condenser i...