Google Nest Community

I want to replace an existing Honeywell T10 thermostat with the nest. I have tried using the wiring compatibility tool with Google but there is no U1 and U2 wire equivalent to the Honeywell thermostat (see the 2nd image). These control the standalone...

I recently moved to a new home and want to replace the existing honeywell thermostat with Nest. I have tried using the wiring compatibility tool with Google but there is no U1 and U2 wire equivalent to the honeywell thermostat. I'd like to DIY this b...