630kw Glycol Water Chiller With -10C outlet
1. The air-cooled chiller adopts an evaporator made of high-efficiency thread rolling and non-welded internally threaded heat exchange copper pipes, and the conductivity is improved.
2. The screw chiller adopts top-row side-suction finned radiator, with strong wind, good heat exchange effect and low noise.
3. The air-cooled chiller has low noise and super strong refrigeration, using semi-hermetic screw compressors of internationally renowned brands.
4. The screw-type chiller adopts a waterproof and corrosion-resistant sheet metal chassis, even if it is placed outdoors, it will not be easy to rust and perish, and it can save the trouble of setting up a canopy.
5. There is a special microcomputer controller that displays temperature control, protection, fault codes, etc. on the control panel. This design is convenient and simple.
Pressure protection of the container
In the high-pressure container of the refrigeration system of the industrial refrigerator, the screw chiller, in order to avoid the shell damage when the internal pressure is too high, a safety valve is installed on the container. The safety valve automatically opens when the internal pressure exceeds 10% of the control value, and the high-pressure medium in it is released urgently to suppress the increase in the internal pressure of the container.
Specification
Item | Specification / Supplier | ||
Cooling capacity | Model | AYD-340A | |
kw/hr | 630 | ||
Power input | kw | 384.8 | |
Current | A | 693 | |
Temp Outlet (℃) | -10 | ||
Power Supply | 380V-3N-50HZ | ||
refrigerant control | Expansion valve | ||
Refrigeration circle | two | ||
refrigerant | R404A | ||
Dimension(mm)L×W×H | 12000*2100*2200 | ||
Compressor | Style | Semi-hermetic screw type | |
Quantity(set) | 2 | ||
Compressor Power(kw) | 343.4 | ||
Start Way | 100%-75%-50%-25% | ||
Condenser
| Style | Fin | |
Air Volume(m3/h) | 312000 | ||
Fan Power(kw) | 26.4 | ||
Evaporator | Style | Shell and Tube / 1set | |
Cold water flow(m3/h) | 110 | ||
Pipe size(DN) | 125 | ||
Remarks: The cooling capacity based on 35C ambient temp, inlet temp -5C and outlet temp -10C..
Picture


Glycol Water Chiller Maintenance
1. Maintenance of the condenser and evaporator: During the long-term use of the air-cooled screw chiller, some impurities in the water circulation system will stay on the copper tube of the condenser, which will cause scale in the copper tube wall, resulting in poor heat dissipation of the condenser. Cause high and low voltage faults. Therefore, it needs to be cleaned regularly. You can use a special cleaning gun to clean the pipe, or you can use a special cleaning agent to circulate flush, or fill it in cooling water, wait 24 hours, and then change the solution until it is cleaned.
2. Replacement of the filter drier: The filter drier is an important part to ensure the normal circulation of the refrigerant. Since water and refrigerant are incompatible with each other, if the system contains water, it will greatly affect the operating efficiency of the screw chiller. Therefore, it is very important to keep the system dry. The filter element inside the filter dryer must be replaced regularly.
3. Use environment requirements: During the use of screw chiller, the surrounding environment should be kept clean and tidy, and the unit should be placed in a cool and ventilated place to dissipate heat in time. For air-cooled screw chillers, ensure that there is good ventilation around them.
4. Compressor maintenance: The compressor is an important part of the air-cooled chiller. The quality of the compressor is directly related to the stability of the unit. It is necessary to check whether the refrigerating oil of the compressor is reduced regularly, and if necessary, it should be supplemented or replaced in time. If the compressor fails, due to the high installation requirements of the compressor, you need to ask the manufacturer's professional for repair.
5. Replacement of the filter drier: The filter drier is an important part to ensure the normal circulation of the refrigerant. Since water and refrigerant are incompatible with each other, if the system contains water, it will greatly affect the operating efficiency of the air-cooled chiller. Therefore, it is very important to keep the system dry. The filter element inside the dryer filter must be replaced regularly.
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