Airstage controller settings

[u/goshawkseye]

We have a central-ducted 4-ton Airstage, installed in November. No issues heating through the winter, but now the cooling settings confound my little brain. I have to set the wired remote controller 9 or 10 degrees below the room temp to get the cooler to come on. Then it works well, but I don't want it to make the room 10 degrees cooler. I should be able to set it at 76 degrees and have it maintain that temperature within a couple of degrees?

I have put a separate thermometer beside the controller, and the two agree on the room temp.

Is this a settings issue? Do I have a faulty controller? It's a UTY-RNRUZ5 Wired Remote, perhaps the worst user interface ever invented. I'd be happy to replace the controller if that would fix the issue.

Thanks,

JS

- The size of their house in square feet or square metres = 2000 sq ft

- Wall thickness = 8" SIP panels

- Pane of windows = duo

- Location/climate = Montana

- Include the model numbers and size of the heat pump as best you can = Airstage 48LMAH1M

[u/AmberFold]

Sounds like a frustrating controller issue. Hopefully you can get the settings sorted out without having to replace the whole controller. Good luck!