I have separate AC unit and furnace each with its own transformer. My
old Honeywel thermostat had two sets of wires: red + white coming from
the furnace and red + yellow + green from the AC system. I decided to
replace the old thermostat with a Nest ...
So how can I get the free Nest Power Connector for my Nest
thermostat?The Hope App says I need a *free* nest power connector but
the link does not work, conveniently gives a 404 error...
My nest thermostat was working fine with my cooling system without a C
wire. No problem there.But when I try to setup the thermostat with the
heating system (two wires only, no C wire). It does not want to proceed
without C wire. That is what confuse...
That is what I do not understand. Where does the extra power comes from
with the AC wires. I thought the three wires (red+yellow+green) from the
AC are all control wires. Is one of them actually a common wire
(ground)? Can I use that wire also with t...
No. The thermostat CANNOT handle the two transformers because it has
only a single red wire connection. So I only connect ONE system at a
time. In the Summer, I had only the AC wires (red+yellow+green)
connected to the thermostat and it was running t...
