J
Johnuready
I am successively running a PV switch to switch spare electricity away from the grid to our immersion in a solar thermal 210 ltr tank. As its working very well I'm looking to install a 125 ltr pre heat tank to feed the main tank. Anybody have any ideas on a circuit to sense the main immersion thermostat turning off when main tank is hot and switching to the pre heat tank. On the main thermostate asking for heat it switches back to the main tank.
Only have one immersion thermostat and no auxiliary contacts. Could use temperature sensor on main tank as input source? Would prefer sold state switching, not a relay.
Only have one immersion thermostat and no auxiliary contacts. Could use temperature sensor on main tank as input source? Would prefer sold state switching, not a relay.