Nest thermostat to Amana PTAC model PTH093G35AXXXCA


Old 05-16-16, 04:40 PM
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Nest thermostat to Amana PTAC model PTH093G35AXXXCA

I purchased and installed an Amana PTAC heat and A/C unit in my wife's sewing studio. I want to install a Nest Learning Thermostat to the unit but do not fully understand the wiring chart. Can anyone give me help.

This is a new unit and is set to run off an internal thermostat and therefore have not previous wiring to detach for cross reference.

All help will be greatly appreciated.

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Old 05-16-16, 05:01 PM
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Welcome to the forums.

You have a heatpump unit with backup electric heat. I'm looking for external wiring now.
You may need to pull off the cover, take a BIG picture of the wiring diagram and posting it or sending it to me.
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