Pump/Filter Instruction Manual 301-305 US standard option has 110V, pay attention to the use voltage of 110-120V/60HZ; so the frequency is 50HZ area can not be used; Taiwan, the United States, Japan Kansai area can be used, Japan Kanto area can not be used; please pay attention to the local voltage frequency! This product is used in various types of aquariums, and the pool is used as a power device for water circulation. Before installing and using the submersible pump, please read the following instructions carefully, and use it according to the following measures and operation requirements. Safety precautions 1. Before the submersible pump works, it should work according to the voltage and frequency range shown by the submersible pump. Use voltages and frequencies other than those specified. 2. Do not put the submersible pump to work in flammable and corrosive liquids. Only in fresh water and sea water Work. 3. The submersible pump must be safely immersed in the water when working, do not come out of the water, otherwise it will damage the submersible pump. cause permanent damage. 4. It is best not to use water above 35C or below freezing point for submersible pumps. Otherwise, the submersible pump will be damaged Harmful. 5. If the outlet power cord of the submersible pump is damaged, please do not continue to use the pump to ensure safety. 6. When using the amphibious pump to be used away from the water, the pipe fittings should be connected tightly, and water should be added to drain the air. Operation precautions 1. The power supply of the submersible pump should be cut off before the maintenance of the submersible pump. 2. Do not let the submersible pump idle or leave the water for more than 5 minutes. 3. Do not lift the submersible pump directly with the power cord, otherwise the power cord may be pulled off. 4 The power cord should be cut off before taking out the submersible pump from the water to ensure safety. 5. The maximum diving depth of the submersible pump is 1 meter. 6. If an extra socket is required, a power cord of the corresponding rated voltage and current should be used. Introduction This product is used for pumping , it has characteristics such as low power consumption , low noise, balanced speed , reliable operation , long service life , and easy to disassemble and maintain.suitable for miniature fountains , crafts , air-conditioning fan , miniascape fountain , Aquarium fish tank. Cautions Before using the pump , please make sure the rated voltage marked on the , nameplate and the voltage of actual use is consistent. when installing , removing and cleaning the pump , you must unplug the power plug to ensure safety. The filtion canister and foam must be cleaned constantly , so as to get normal water inlet and best filtion. If the pump has been a serious collision , please check the pump , if broken , please stop using immediately.