Heat pump with Aux heat

[ncwanderer]

I have a single stage heating and cooling heat pump with a total of six connections to a Honeywell RTH7600 thermostat.

1: Aux jumper together with a jumper to E 
2: R with a jumper to RC

3: OR/BK

4 :Y

5: G

6: C

Will a Nest work?

[CoolingWizard]

@ncwanderer , yes indeed the Nest Thermostat will work.  In your old thermostat I see a jumper wire between Aux and Emergency.  The Nest cannot do jumper wires.  If your cable has one more conductor wire not being used, then it could be used for Emergency heat.  If you need an explanation of the difference of Auxiliary Heat and Emergency Heat just ask. 

AC Cooling Wizard

[ncwanderer]

Where would the wire for emergency heat terminate on the Nest (non-learning)? I have seen article that show how to turn emergency heat on but maybe that applies to the learning version only.

[CoolingWizard]

@ncwanderer , you are correct, only the Nest Learning Thermostat support an Emergency Heat function. 

AC Cooling Wizard

[Jenelyn_O]

Hi there,

Thanks for posting in the Google Nest Community forum. I hope you got the answer you're looking for. Please let us know if you still have questions or concerns, as we'll be willing to assist you further.

I appreciate your help, @CoolingWizard.

Best,

Jenelyn

[Jenelyn_O]

Hi ncwanderer,

I wanted to follow up if you still need help. Please let me know if you’re still having any concerns or questions from here, as I would be happy to take a closer look and assist you further.

Thanks,

Jenelyn

[Jenelyn_O]

Hey ncwanderer,

We haven't heard from you in a while so we'll be locking this thread if there is no update within 24 hours. If you need assistance or want to discuss topics, feel free to start a new thread.

Regards,

Jenelyn