1. This machine is suitable for 220V±15% voltage, please ground it correctly when connecting to the power supply to prevent the danger of electric shock;

2．Pressurized tanks contain liquid refrigerant. Overfilling or overheating of the cylinder may cause an explosion, resulting in personal injury or death. For safety reasons, use only quality and safety certified refrigerant containers. Refrigerant should be used and stored and transported in a way that avoids overheating, shocks and violent vibrations;

3. All hoses may contain liquid refrigerant under pressure. Contact with liquid refrigerant can cause injury. Protective clothing and safety glasses are recommended. Be especially careful when removing hoses;

4. The compressor must not be started more than 10 times in 1 hour;

5. It is forbidden to run the vacuum pump without oil;

6. Please ensure that the chassis of the smooth, careful not to step on the electronic scales, especially when moving equipment.

7. Please keep the equipment clean; when it is not used for a long time, please energize it regularly.

8. Replace the filter drier

Filter in the recovery of 98Kg refrigerant when the display will prompt the replacement of the filter, if not prompted to appear, then one year for the period, the user can also be replaced in advance.

9. Replacement of vacuum pump oil

If the accumulated vacuum time exceeds 10 hours, the unit will automatically prompt to change the vacuum pump oil.

The device will automatically prompt to change the vacuum pump oil;

Or check whether the vacuum pump oil is emulsified

Or check whether the vacuum pump oil is emulsified or contaminated, and whether the oil level is within 5mm above or below the scale or within two lines.

5mm above or below the scale line or between the two scale lines.