And I wanted to reply again because I put some QT into this last night and had a few things to share. But I’m still a little confused as to WHY. I ran each of my zones for 1 minute. I logged METER READING prior to each.
ZONE 1 (Misters): Rachio reported it used 4.15 gallons, I actually used 5.25 (pretty close) but using the formula, I added a new nozzle at a rate of 2.5 (instead of 2.0) and ran the Rachio again for 1 min. It is now much closer to the ACTUAL 5.25 gallons my meter goes up over 1 minute.
I did the same thing for the other 5 zones, as follows:
Z2 - Rachio=15.584, actual was 17.1 - added a rotor head with rate of 1.1
Z3 - Rachio=15.064, actual was 16.1 - used rotor head with rate of 1.1
Z4 - Rachio 14, actual 13, added rotor head at 0.9
Z5 and Z6 were almost dead on.
Here is my question. HOW? Again… I am inputting my AREA (SF) based on the remedial online tool provided (getlotsize.com) in the online documentation. So, it’s close but not exact certainly. And the system still doesn’t know HOW MANY HEADS in each of my zones. So, a major assumption appears to be being made - that the installers 20 years ago also used the same formula AND installed the system quite accurately? Or is some weird math eluding me?