The low-temperature coolant circulation pump can be placed on the laboratory bench and the direction can be changed at will. The cooling capacity of -20℃ is suitable for the recovery of low-boiling point solvents with a rotary evaporator. When the liquid temperature is 10℃, the cooling capacity can reach 450w387kcalh, which can be used for the cooling of two rotary evaporators. Among them, the flow control valve and the circulation flow can be adjusted as needed. Of course, when using the CCA-20 cooling circulation pump, we also need to pay attention to some matters to avoid some problems and faults in the work. Let's talk about it today
1. How does the variable frequency low-temperature coolant circulation pump cool quickly? When the low-temperature coolant circulation pump is used, it is found that the degree is not displayed. In this case, it may be the circuit board connection line, whether it is poor contact, whether the sensor is detached, etc. You can plug in the connection line, dry the circuit board and then turn on the machine.
2. When the low-temperature coolant circulation pump does not refrigerate, it may be due to system problems, such as system leakage and system dirtiness and blockage, which cause the low-temperature coolant circulation pump to be abnormal. Only professional personnel can be found for maintenance. The slow refrigeration speed is solved in the same way.
3. When using the low-temperature coolant circulation pump equipment again, there is no external circulation. First, check whether the circulation pump is blocked. If it is blocked, just remove the blockage. Or the power box falls off, or the valve is not opened, causing problems with the external circulation.
4. When the whole machine has no power failure, check whether the fuse is blown. If so, just replace the fuse. Another possibility is whether the phase sequence of the power supply is connected incorrectly. Just adjust the position of the two live wires and you can use it.
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