W2 and O/B on my hvac .
Wyze Thermostat Problem - Heat and Air are mixed up using recommended wiring - #54 by speadie - Home - Wyze Forum
What am I doing wrong? AC won't cool. Labels of cables match old thermostat. Settings match (heat pump / 2 stage / OB wire on cool). : r/smarthome
How To Solve Nest Thermostat Error E157 - The Nest thermostat isn't physically detecting your Y1 - YouTube
How to identify a thermostat wire
W/O-B wire from Honeywell thermostat : r/ecobee
Smart Thermostat RTH9585WF install to replace Google Nest Thermostat | DIY Home Improvement Forum
Issue Resolved: heat pump unit with no dedicated OB wire. : r/Nest
OB Wire for Thermostat Not Detected : r/Nest
Wiring help, nest learning thermostat. W, O/B confusion. : r/Nest
thermostat - Wire going between O terminal and B terminal - Home Improvement Stack Exchange
Is that Orange wire for W or O/B? Did I install my ecobee correctly.. : r/electrical
Nest thermostat star connector - Google Nest Help
Can anyone help with figuring out wiring for the Thermostat? O/B vs O and B separate - Home - Wyze Forum
Thermostat Wiring Explained! How To, Color Coding, Types & More
Nest thermostat star connector - Google Nest Help
Nest thermostat star connector - Google Nest Help
hvac - Rth5160d1003 New Thermostat wiring from Older 7 Wire Setup o & b wires? - Home Improvement Stack Exchange
How To Fix O/B Wire Issue On Honeywell Home Pro Series T6 - YouTube
Trying to upgrade to Nest. What is O/B wire & why is white wire in W2/Aux? : r/Nest
Heat Pump Thermostat O, B, and C Terminal Variations Explained - YouTube
I'm getting heat when calling for air conditioning
The RiteTemp Support Site - Y, O, B, G, R, C* Wiring Steps
What All Those Letters Mean on Your Thermostat's Wiring | iFixit News
My Nest isn't detecting my OB wire and is blowing hot air, but our outdoor heat pump is blowing cold air. Any ideas for next steps? Pic of wires for reference : r/Nest
