In order to avoid personal injury, please read carefully and follow the instructions in the operation manual. wear gloves when working with refrigerant;
Do not contact refrigerant directly to prevent personal injury caused by refrigerant;
Z series vacuum pump is strictly prohibited to extract flammable, explosive and toxic gases, and it is strictly prohibited to work in the environment with flammable gases (such as R32, R600a, 1234yf, etc.)
In order to ensure the safety of the product, please select the manufacturer's original accessories and charger (lithium vacuum pump);
Do not disassemble, open or cut battery pack, keep away from heat source or direct sunlight (only with lithium battery vacuum pump)
Keep the battery clean and dry. Do not continue to use in case of damage or discharge (only with lithium battery vacuum pump)
Do not extract corrosive or chemical reaction gas with pump oil;
Do not use in the rain, the product body is easy to cause electric shock due to water inflow;
When the battery is discharged, please turn off the power switch immediately after it is put into the protection state. It is forbidden to start frequently, which is easy to damage the battery and shorten the battery life.