Warm (wet) chamber maintenance and repair tips
1. Since the value of the temperature (wet) chamber is generally high, it's recommended to place it in a stable and controlled environment. Our suggested operating temperature range is between 8°C and 23°C. For laboratories that don't meet these conditions, it's essential to install an appropriate air conditioner (air-cooled) or cooling tower (water-cooled) to maintain optimal performance and extend the equipment's lifespan.
2. Professional management is key. If possible, assign dedicated personnel to undergo training at the supplier’s factory to gain hands-on experience and improve their ability to handle maintenance and repairs effectively.
3. Clean the condenser regularly—every three months. For air-cooled compressors, check and clean the condenser fan, as well as remove dust and debris from the condenser to ensure good airflow and heat exchange efficiency. For water-cooled systems, ensure proper inlet pressure, temperature, and flow rate, and perform regular cleaning and descaling inside the condenser to maintain continuous heat transfer performance.
4. Regularly clean the evaporator (dehumidifier) every three months. Due to varying sample cleanliness, forced air circulation can cause dust and small particles to accumulate on the evaporator, so routine cleaning is necessary to prevent performance issues.
5. Clean and calibrate the circulating fan and condenser fan. Similar to the evaporator, these fans may collect dust and other particles over time, depending on the working environment. Regular cleaning helps maintain their efficiency and prevents potential malfunctions.
6. Keep the water lines and humidifier clean. Clogged water lines or a dirty humidifier can lead to dry operation and damage the humidifier. Therefore, it's important to clean both the water system and the humidifier regularly to ensure smooth operation.
7. After each test, set the temperature close to ambient, let the system run for about 30 minutes, then turn off the power and wipe the inner walls of the testing chamber to maintain a clean environment for future use.
8. If the equipment needs to be moved, always do so under the guidance of our technical team to avoid any unnecessary damage or mishandling during the process.
9. If the device will not be used for an extended period, it should be powered on at least once every two weeks for a minimum of one hour. This helps maintain internal components and prevents long-term degradation.
10. Maintenance approach: As environmental test chambers typically consist of multiple integrated systems—electrical, refrigeration, and mechanical—it's crucial to systematically inspect and analyze the entire unit when problems arise. Start with external factors such as cooling water supply, power input, and environmental conditions. Once all external issues are ruled out, proceed to break down the system step by step, conducting a comprehensive analysis. Use a reverse troubleshooting method: first check the electrical system using the wiring diagram, then move to the refrigeration system. Avoid disassembling or replacing parts without identifying the root cause to prevent further complications and unnecessary downtime.
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