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Can Chillers Be Used Outdoors?
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When buying a chiller, one common question is: Can it be installed outdoors?
When the equipment is large and the site is limited, it is ideal to place the chiller outdoors. However, whether the chiller can be used normally outdoors not only depends on whether the space allows, but also on its rainproof, dustproof, antifreeze, heat dissipation and other performance.
Can Chillers Be Used Outdoors?
Not all chillers can be placed directly outdoors, which depends on its design. Most chillers are designed for indoor environments, so there is no special design for possible environments such as ultraviolet rays, rain, high and low temperatures. If exposed to outdoor conditions, it may not operate properly and may even fail in a short period.
Chillers that can be used outdoors must be specially designed outdoor chillers. What do engineers consider when designing them? What are their characteristics?
Key Features of Outdoor Chillers
In order to adapt to the outdoor environment, outdoor chillers will be optimized in structure and performance.
Waterproof and Dustproof
The biggest threats to outdoor chillers are rain, sunlight and dust. Therefore, engineers will design sealed shells for them that are rainproof, sun-proof and corrosion-resistant. The material is mostly stainless steel or anti-corrosion sprayed steel plate, and the protection level is generally above IP54. This is the minimum IP rating recommended for outdoor use.
The drainage holes inside the chassis will also be specially designed to avoid water accumulation. There will also be dust screens in the fan and electronic control area to prevent dust from clogging the heat dissipation device.
Antifreeze
The outdoor temperature varies greatly, especially in high-latitude areas such as North America, Northern Europe, and Russia, where the winter temperature can be as low as -20℃, -30℃, or even below -40℃. If the chiller does not have a special antifreeze design, it may cause problems such as water pipes freezing and rupturing, the compressor cannot start, the control system may malfunction, or frequent alarms may occur. Outdoor chillers used in these areas must have a low-temperature start-up protection function, antifreeze drainage design, electric heating function, and insulation layer.
Heat dissipation
The ambient temperature affects the cooling efficiency of the chiller. Especially for air-cooled chillers, their cooling efficiency will drop significantly when the ambient temperature is above 40℃. If the summer temperature in your area can reach above 40℃. You must ensure that it has good heat dissipation performance. It is usually necessary to select a high-performance condenser with a large heat exchange area and a large air volume fan.
Remote control
Outdoor chillers are usually far away from the office. In order to be able to understand its operating status at any time and improve the convenience of operation, you need to choose a device that supports communication protocols such as RS485/Modbus, TCP/IP, etc. This enables remote start/stop and real-time monitoring of key parameters. In addition, safety devices and remote alarms are also essential functions.
Installation Tips for Outdoor Chillers
Even for outdoor chillers, pay attention to the following matters during installation to extend the life of the equipment:
• Install in a flat, water-proof, and well-ventilated location
• Take anti-vibration and shock-absorbing measures at the bottom of the equipment
• Avoid direct sunlight and strong wind vents. It is recommended to add awnings or guardrails
• Avoid installation in places with a lot of dust, oil mist, and corrosive gases around
• Regularly check whether the fan and condenser blades are blocked
• Pay attention to drainage when shutting down in winter to avoid internal icing
Conclusion
Not all chillers can be installed outdoors. If indoor equipment is moved outdoors, it may soon fail. LNEYA outdoor chillers have been proven to be used in various harsh environments, with good environmental adaptability and stability, and are your ideal choice for outdoor temperature control.
Contact LNEYA chiller expert, we will tailor the perfect selection suggestions and installation support for you.
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