Do keep the pump under water at all times when operating

Do be careful wotj wiring

Do remove the pump if not used for a long time and wipe the screw and body. Wipe with vegetable oil.

Do make sure the pump has adequate water around it during pumping.If the sensors are activated there will be at least a 3 minute delay between pumping sessions.

Do put your solar PV panels in a sunny position facing true north (southern hemisphere) or true south (northern hemisphere). If the panel angle is fixed then an angle equal to your latitude will be a good compromise.

Don't run the pump out of the water ,even momentarily.It will void the warranty 

Don't bypass the WH sensor except to troubleshoot

Don't adjust the regulation bolt in the base of the pump. It is factory set.It will void the warranty.

Don't use the pump in dirty water .Premature wear will not be covered by warranty .

Don't disassemble the control box.There are no user parts inside.