ZKSJ Aquarium Pump DC24V 3000L/H 20-speed frequency conversion control Large flow

1. Steady flow rate Mode (20 Levels)
The pump will work in this mode (mode 1) when powered on. You can change the speed by the key of "Speed". When the indicator screen shows the number "101", that means you have chosen the lowest flow at mode 1, when the indicator screen shows the number "120", that means maximum flow rate at mode 1.
2. Wave making Mode (20 Levels)
Before work in wave making mode (mode 2), you should adjust the speed of mode 1 into a lower level (the water just come out from the pipe on the top tank slowly), for the normal fish tank the suitable speed is 02, the indicator screen shows "102". And then change into wave making mode (by press the key of "Mode"), the indicator screen will shows "202" (that means level 2 at mode 2), then press the key "speed" to change the wavelength.
3. Feed Mode
Press the key "Feed" till the indicator screen shows the number "410". When the number "410" comes out, that means you have chosen Feed mode successfully. And then the pump will stop working for your feeding fishes. Meantime, the indicator screen starts the countdown when it shows the number "49". The countdown is 10 minutes. When the screen shows the number "40", that means the countdown is over and the pump will restart to work.