The low-temperature chamber power supply operates at 380V. While the manufacturer recommends using a dedicated, open connection for safety, some users may not have enough space to do so due to site constraints and might opt for a standard socket instead. However, there are several important precautions to keep in mind—many of which are small but critical details that users often overlook. According to YASELINE's low-temperature chamber experts, it is crucial not to plug or unplug the device at random during operation. Here’s why:
When the low-temperature chamber is running normally, the internal temperature drops to a set point, and the temperature controller automatically turns off the power. At this moment, the refrigerant pressure inside the system is relatively low compared to the motor's load, making it easier for the motor to start up smoothly. However, if you forcibly cut the power and then immediately restore it while the refrigerant is still under high pressure, the sudden voltage surge can cause the motor to experience excessive load. This can lead to a starting current that is 20–30 times higher than normal, potentially causing the motor to overheat and burn out.
Therefore, it is strongly advised not to plug or unplug the low-temperature chamber without proper care. If power must be disconnected, wait at least 3 minutes to allow the high and low-pressure sides of the refrigeration system to balance out before reconnecting. This simple step helps prevent damage to the motor and ensures the longevity of the equipment.
Understanding these operational nuances can significantly improve the performance and lifespan of your low-temperature chamber. Always follow the manufacturer’s guidelines and never rush the power-off or power-on process, as even small mistakes can lead to costly repairs down the line.
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