1.Before use, it is necessary to ensure that the voltage of the power supply is compatible. During use, the grounding wire of the power socket must be properly grounded in accordance with the regulations.
2. When in use, avoid touching the electrical parts in the left compartment of the box with your hands, and do not wipe or rinse with water. During inspection, make sure to turn off the power supply.
3. The power cord must not be wound around metal objects, and should not be placed in areas with low temperature or high humidity. Avoid allowing the rubber to age and cause leakage.
4. When placing the items in the box, do not overcrowd them. It is necessary to leave some space for natural air circulation so that the humid atmosphere can gradually escape from the top of the box.
5. Regularly check whether the silver contacts of the temperature regulator are rough or uneven. If so, use a fine cloth to smooth out the contacts and then use them again. It is necessary to frequently wipe them clean with a clean cloth to ensure good contact (be sure to cut off the power supply). Do not strike the metal pipes of the indoor temperature regulator to avoid affecting its flexibility.
6. Do not place flammable items in the simple box without explosion-proof installation.
7. After each use, the power supply should be partially cut off, and the inside and outside of the box should be kept clean frequently.







