![hvac - Rth5160d1003 New Thermostat wiring from Older 7 Wire Setup o & b wires? - Home Improvement Stack Exchange hvac - Rth5160d1003 New Thermostat wiring from Older 7 Wire Setup o & b wires? - Home Improvement Stack Exchange](https://i.stack.imgur.com/Ud01N.jpg)
hvac - Rth5160d1003 New Thermostat wiring from Older 7 Wire Setup o & b wires? - Home Improvement Stack Exchange
![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 : 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 :](https://preview.redd.it/my-nest-isnt-detecting-my-ob-wire-and-is-blowing-hot-air-v0-me3qw1vhp4sa1.jpg?width=640&crop=smart&auto=webp&s=37680ebe4384cec553bad8cb99c42d9a7ba58a4b)
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 :
![Heat Pump without OB wire. How to wire to electronic thermostats? (like Nest) - DoItYourself.com Community Forums Heat Pump without OB wire. How to wire to electronic thermostats? (like Nest) - DoItYourself.com Community Forums](https://www.doityourself.com/forum/attachments/thermostatic-controls/10787d1364564056-heat-pump-without-ob-wire-how-wire-electronic-thermostats-like-nest-old-thermostat-wiring-2.jpg)
Heat Pump without OB wire. How to wire to electronic thermostats? (like Nest) - DoItYourself.com Community Forums
![Can anyone help with figuring out wiring for the Thermostat? O/B vs O and B separate - Home - Wyze Forum Can anyone help with figuring out wiring for the Thermostat? O/B vs O and B separate - Home - Wyze Forum](https://global.discourse-cdn.com/wyze/original/3X/0/2/0216c8cdde30ac968349206e3900b9935dd2429a.jpeg)