lainghk wrote:I haven't gotten the chance to replace my EWC-ST-2E with a NCM-300 yet. But I have to switch to from cool to heat today. I have Nest as my slave thermostat (White Rogers is still my master thermostat). All of a sudden Nest (slave) gets no power from either Rc or Rh when the master is switched from cool to heat. I switched the White Rogers (master) from heat back to cool and verified the Nest (slave) is again getting power on Rc or Rh.
Question -- how do I get the slave only to work with EWC-ST-2E on heat? Or I have to switch the ultrazone to NCM-300 even for that purpose?
Wifi Thermostats with EWC-ST-2E
Re: Wifi Thermostats with EWC-ST-2E
Re: Wifi Thermostats with EWC-ST-2E
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