Power connection method and maintenance items for high and low temperature damp heat test chamber
The high and low temperature damp heat test chamber is a relatively precise testing equipment. In order to ensure the smooth completion of each testing process, the power supply of the connected equipment must be stable at around 380V to ensure that the compressor is not damaged. In addition, it is necessary to ensure the personal safety of the personnel receiving the power, so please understand the specific operating methods before wiring
Adjust or replace the power supply connected to the high and low temperature humidity test chamber. After checking that there is no problem with the voltage of the power supply to be connected, connect the neutral terminal to the neutral terminal in the distribution box. Ensure that the neutral wire is connected, otherwise it may cause the constant temperature and humidity test chamber equipment to malfunction or burn out electrical components.
After confirming that the neutral wire has been connected, connect the three-phase wire to the three terminals below the main switch of the high and low temperature humidity test box distribution box, and tighten the screws. We need to connect the grounding wire, which is connected in the same way as other power lines, and directly connected to the grounding terminal of the distribution box. During the process of connecting each power cord, everyone must ensure that they can correctly identify power cords of different colors to avoid connection errors and normal testing.
Maintenance of high and low temperature damp heat test chamber:
1. Clean the water circulation system, clean the water filter, replace the filter, check the operation of the water pump, including the operation of the water flow switch, adjust the water circulation flow rate, and perform testing operations.
2. Check all electrical circuits and components to ensure reliable operation and good contact.
3. Replace the fresh air filter.
4. Cleaning of refrigeration system: Replace the refrigeration oil and clean the oil filter.
5. Check the vulnerable components of the refrigeration system: Check the sealing condition of the compressor and connecting parts, and replace all filters.
6. Leakage inspection of refrigeration system: Check all connection parts of the refrigeration system and the connection parts of the valve plate for leaks and tighten them.
7. Supplement refrigerant according to working conditions: Check if it is necessary to supplement the system refrigerant to ensure effective cooling capacity.
8. Comprehensive system operation: Check whether the operating components are in good condition.