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Maintenance and precautions of low temperature coolant circulation pump
  • Release date: 2013-03-08 Views: 2627
    • ,是采用机械制冷的低温液体循环设备,可提供恒流恒压循环冷却液体,以满足电子显微镜、电子探针、超高真空溅射仪、X光机、激光器、反应釜、加速器等用来降低仪器工作温度的需要。 DLSB-series low-temperature cooling liquid circulation pump is a low-temperature liquid circulation device using mechanical refrigeration. It can provide constant current and constant pressure circulating cooling liquid to meet the electron microscope, electron probe, ultra-high vacuum sputtering instrument, X-ray machine, and laser. , Reactor, accelerator, etc. are needed to reduce the working temperature of the instrument. For instruments that need to be cooled with constant current and constant pressure water when the water source is insufficient, the water quality is poor, or the temperature is relatively high, this machine is an essential device to ensure the normal operation of the instrument. This product has the function of providing low-temperature liquids and low-temperature water baths. It can be combined with rotary evaporators, vacuum freeze drying ovens, circulating water multi-purpose vacuum pumps, magnetic stirrers and other instruments for multifunctional chemical reaction operations and drug storage at low temperatures.
      低温冷却液循泵 特别适用于需要维持低温条件下工作的各种化学、生物、物理实验室,是医药卫生、食品工业、冶金工业、大专院校科研院所实验室必备实验室设备。 DLSB low-temperature coolant circulation pump is especially suitable for various chemical, biological, and physical laboratories that need to maintain low temperature conditions. It is an indispensable laboratory equipment for the medical and health, food industry, metallurgical industry, and research institutes of universities.
      注意事项★ 室温和湿度DLSB 低温冷却液循泵正常工作室温范围≤25℃,湿度范围为≤60%,超过此范围将影响本仪器的安全性能和使用性能。 DLSB low-temperature coolant circulating pump precautions ★ Room temperature and humidity The normal working temperature range of DLSB low-temperature coolant circulating pump is ≤25 ℃, and the humidity range is ≤60%. Exceeding this range will affect the safety performance and use performance of the instrument.
      ★ It is forbidden to carry or tilt the instrument at will after moving the liquid tank of the instrument to prevent the working medium from entering the machine and causing danger or damage to the machine.
      ★ Ventilation and dustproof instrument should have enough space around the vent holes and dustproof. Keep the instrument away from heating equipment and avoid direct sunlight.
      ★ Power supply voltage AC220V, 50Hz, should have a good grounding system, and is equipped with a standard three-pole safety socket.
      The power supply voltage is AC380V, 50Hz, the control voltage is 220V, 50Hz, the power connector is three live wires, one neutral wire, and there is a phase sequence protector inside the machine.
      ★ Protect the wires Please plug in and unplug the power with your hands. Do not drag the wires. Strictly prevent high temperature and other damage to the wires.
      ★ The medium must use clean water or other media, and strictly prevent foreign matter such as mud and sand from entering the cooling system or the circulating pump.
      低温冷却液循泵 常见故障排除方法 Common troubleshooting methods of DLSB cryogenic coolant circulation pump

      1

       

      No electricity

       

      No power

      Check power

      Leakage protector protection

      Protector reset

      Fuse

      Change insurance tube

      The power cord is disconnected

      Tighten the power cord

      The power phase sequence is wrong

      Adjust the position of two fire wires at will

      2

       

      No temperature display

       

      Power switch does not turn on

      Turn on the power switch

      Display board line falls off

      Connect the cables

      Water splashed on circuit boards

      Switch on after drying or drying

      3

      -ErrH 或上 □□□□ Display -ErrH or up □□□□

      Sensor break

      Plug the sensor socket

      Change sensor

      4

      ErrL 或下 □□□□ Display ErrL or lower □□□□

      Sensor short

      Change sensor

      5

      The display does not match the actual

      Sensor off

      Reinstall and tighten

      6

      Temperature control disorder

      Unstable voltage

      Switch on after voltage stabilization

      Temperature control circuit is broken

      Temperature control circuit

      7

      No cooling or slow cooling

      System leaked

      Have a professional repair

      8

      The temperature does not reach the set value

      Temperature control circuit is broken

      Temperature control circuit

      Compressor overheating protection

      Improve ventilation, start after cooling

      9

      No exhaust

      The fan power cable is not in good contact

      Connect the power cord

      Fan stuck

      Adjust the fan position

      Wind leaf deformation

      Replace new blade

      Fan burned out

      Replace new fan

      10

      Compressor is not working but there is buzzing

      Start capacitor breakdown

      Replace with the same type of capacitor

      Compressor is broken

      Change to the same type of compressor

      11

      No outer loop

      The power cord is disconnected

      Tighten the power cord

      Inlet blocked

      Remove obstructions

      Control valve does not open

      Open the regulating valve

      Ice block in circulation pump

      Stop and warm up and thaw

      12

      Fuse

      Startup capacitor burned out

      Replace with the same type capacitor

      There is a short circuit

      Check each line

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