Specification Single-controlUP pool (water storage)installation instructionsshown in figure1 A(red)Upper waterlevel control point. When water level gets to Apoint, the probe touchwaterand controller can stop the pump by auto. B(blue)Lowerwaterlevel control point. Whenwaterlevel gets off B point, the probeout of reachwater andcontroller can start the pump by auto. C(black)Should be placed in bottom of poolas the common line. D(green)and E(yellow)are connected withC (black). Single-control DOWN pool(drain water)installation instructions shown in figure2. EUpper waterlevel control point. When water level gets to E point, the probe touch water andcontroller can start the pump by auto. DLower waterlevel control point. As liquid level gets off Dpoint, the probeout of reachwater and controller can stop the pump by auto. CShould be placed in bottom of poolas the common line. A&Bdisconnected 1 . Lack of water protection installation instructions shown in figure3. C&DLower water level control points. When water level gets off this point, C or D probe out of reach water andcontroller can stop the pumpby auto. E&Cshort-connected; A&Bdisconnected 2 . Joint control UP and DOWN pool installation instructions shown in figure4. AUpper waterlevel control point in UP pool.Whenwater level gets to A point,the probe touch water andcontroller can stop the pump by auto. BLower waterlevel control point in UP pool. Whenwater level gets offA point,the probeout of reach water and controller can start the pump by auto. CShould be placed in bottom ofUP and DOWNpools as the common line. DLower waterlevel control point in DOWN pool. Whenwater level gets off Dpoint,the probeout of reach and controller can stop the pump by auto. EUpper waterlevel control point in DOWN pool. Whenwater level gets to E point,the probereach water and controller can start the pump by auto.Then poolstarts todrainwater.If not, E point disconnected Used to solve problem: 1. On power but no work: a. Check the red indicator is onor not. If not, make theconnection is good enough; 2. Whenwaterlevel is above or below probes but the pump does not start or stop by auto,Pleasecheck itlike the following. a.Whether the probe is placed too high or low so thatwaterlevel can reach or out of reach it; b.The connection of upper&lower line or probe is dislocationby error or short connected; c.To check the probe whetheritis rustor not or the connection is good enough. d. C- Check the common line whether itis placed in the lowermost bottom of pool.