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Feb 5 at 16:55 comment added Ryan. Depending on the manuf, maybe 6-8 months ago? It would not be the same board that was updated to address temp control issues. No public info, this would have been communicated to contractors through distribution channels.
Feb 2 at 18:21 comment added gosko Thanks, that's very helpful info. Do you know when that design change was made, and if there is any public info available about it? I already had the control board replaced once, in July 2023, after the manufacturer indicated there was an updated board available. That update was intended to address some issues with the thermostat not maintaining the set temperature properly. But maybe the control board is different than the inverter board.
Feb 1 at 17:10 comment added FreeMan and... that's what happens when useful info is buried in comments instead of added to the question... mea culpa
Feb 1 at 17:06 review Late answers
Feb 1 at 20:00
Feb 1 at 16:56 comment added Ryan. OP gave the Make/Model: The heat pump circuit is 50 amps. It's a 3-ton system made by Moovair, model numbers DMA36HOS20230E7 (outdoor) / FMA36HIAHUU230X7 (indoor) – gosko Nov 18, 2022 at 5:09
Feb 1 at 16:44 comment added FreeMan There were no brand names specified in the question for the heat pump. What makes you think that it's one of the ones you've mentioned?
S Feb 1 at 16:41 review First answers
Feb 1 at 16:44
S Feb 1 at 16:41 history answered Ryan. CC BY-SA 4.0