![Company installed 2-stage heat pump. Stat wiring looks off to me. The stat itself says to not install a wire on W for heat pumps, and yet there it is. Can someone Company installed 2-stage heat pump. Stat wiring looks off to me. The stat itself says to not install a wire on W for heat pumps, and yet there it is. Can someone](https://i.redd.it/p4hww3w8zz8b1.jpg)
Company installed 2-stage heat pump. Stat wiring looks off to me. The stat itself says to not install a wire on W for heat pumps, and yet there it is. Can someone
![18: Two-stage compression air-water heat pump with economizer flash... | Download Scientific Diagram 18: Two-stage compression air-water heat pump with economizer flash... | Download Scientific Diagram](https://www.researchgate.net/publication/37413723/figure/fig15/AS:650444925849606@1532089563331/Two-stage-compression-air-water-heat-pump-with-economizer-flash-tank-and-economizer.png)
18: Two-stage compression air-water heat pump with economizer flash... | Download Scientific Diagram
![Modelling and evaluation of a high-temperature heat pump two-stage cascade with refrigerant mixtures as a fossil fuel boiler alternative for industry decarbonization - ScienceDirect Modelling and evaluation of a high-temperature heat pump two-stage cascade with refrigerant mixtures as a fossil fuel boiler alternative for industry decarbonization - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0360544222012117-gr1.jpg)
Modelling and evaluation of a high-temperature heat pump two-stage cascade with refrigerant mixtures as a fossil fuel boiler alternative for industry decarbonization - ScienceDirect
![PDF] Two-Stage Heat Pump using Oil-Free Turbocompressors - System Design and Simulation | Semantic Scholar PDF] Two-Stage Heat Pump using Oil-Free Turbocompressors - System Design and Simulation | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/01fc554643c2f4e4716858222378c1b8f5fdc23c/3-Figure1-1.png)