@ Paul, will let you know pag may free weekend. Thanks
@ Marty...mas marami ka alam, you deserve to be RP's mentor
Sharing a simple tap off logic control diagram. Preset pumping time of make up water; trouble lamp is activated during abnormal operation:
1. pump malfunction
2. float switch malfunction
3. desired water level in the tank is not achieved
4. insufficient water supply
Above diagram can be set either in PLC or conventional industrial controller