Google Nest Community

Anthokr · 04-20-2023

Hi,Will nest thermostat gen 4 work without W cable? (I have no hearing function anyway)I have R Y G and do not need fan speed control (it's fixed speed system).I also do not necessary need on / off FAN. It can stay on as long as the thermostat contro...

Anthokr · 05-02-2023

good news, it worked!so in summary I have a very old HVAC system with stranded wires (I simply extanded them to solid coper), jumped wires (R and RC) and no C cable but it workedNest E propurchased a 24V adaptor acting as C wireplugged the R, G, Y wi...

Anthokr · 05-01-2023

Thanks..I received the c wire 24v adaptator but it's unfortunatly not . working as I expected. I will try one more time tomorrow to connect the adaptor on C and R and keep the hvac system on R as well.

Anthokr · 04-25-2023

Thanks for asking.I am almost there.. I installed and it's working expect that it's not charging probably due to missing c wire. I will try to plug one of those 24v adaptor to simulate c wire.Based on the pic I shared and usage of adaptor for c wire ...

Anthokr · 04-24-2023

Thanks. Yes feedback is very helpful. I will try to install tomorrow

Anthokr · 04-23-2023

@CoolingWizard any thoughts? Thanks

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Nest thermostat gen 4 wiring

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