In May I upgraded my 18yr AC to an Infinity Carrier HPAC (25HNA9). This works with my aging (but still functional) natural gas boiler. An interface relay kit (KFAIF0101HWC) is installed so that the Infinity tstat (SYSTXCCUID01) can control the boiler.
On the old setup, a basic programmable thermostat (with battery backup) was used. The boiler was connected to generator (via a transfer switch). Thus, during power outages the boiler would still work.
Well, the recent outage here in Maryland revealed something obvious: the Infinity Tstat was completely dead. That means no AC, and No Heat. While No AC is not fun but tolerable, No Heat is not in the plan; a lot of the reason for investing in the genset-transfer-switch was to have winter heat!
So how to solve this? No way I can power the HPAC system off my generator, but is there some way to just power the Infinity tstat (and possibly the interface relay kit)? If not, I wouldn't mind reinstalling the old tstat (or real simple analog tstat), perhaps with a manual switch to select whether the boiler is controlled by the Infinity tstat or the old tstat. Or, perhaps a simple timer near the boiler, that could be turned on when the Infinity tstat is out of commission (i.e.; it would override the Infinity tstat control).