What is involved in setting the drainback option (ODB) on my SmartMaxx-DHWPlus controller?
What is involved in setting the drainback option (ODB) on my SmartMaxx-DHWPlus controller? In the submenu, switch ODB from “OFF” to “ON.” Four new items will appear in the submenu: tDTO, tFill, tSTB, and OBST. Some experimentation may be necessary to get these settings correct for your system. tDTO (time period switch-on)...