![hvac - why does my heat pump wiring diagram show 7 wires going to the thermostat but the thermostat only says it needs 5? - Home Improvement Stack Exchange hvac - why does my heat pump wiring diagram show 7 wires going to the thermostat but the thermostat only says it needs 5? - Home Improvement Stack Exchange](https://i.stack.imgur.com/vE9Po.png)
hvac - why does my heat pump wiring diagram show 7 wires going to the thermostat but the thermostat only says it needs 5? - Home Improvement Stack Exchange
![electrical - If my heat pump does not have a neutral, do I still need a neutral wire? - Home Improvement Stack Exchange electrical - If my heat pump does not have a neutral, do I still need a neutral wire? - Home Improvement Stack Exchange](https://i.stack.imgur.com/uHadL.jpg)
electrical - If my heat pump does not have a neutral, do I still need a neutral wire? - Home Improvement Stack Exchange
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