W2 wire from heat pump twisted with W from Air Handler then to W1 on Nest

[diy43va]

So in an effort do duplicate my previous wiring I have the W2 wire from the heat pump twisted with W from Air Handler then to W1 on Nest.  Everything else seems to be in order.  Things appear to be working but I fear this might be keeping the 2nd stage heating on the heat pump on all the time.  But this was how it was.  Should I run the W2 wire from the heap pump directly to W2 on the Nest?  What will be the benefit of doing this other than it seems the right way?

[kcruzgonzalez]

Hello, diy43va 

Thanks for reaching out to our Nest Community. We are so happy to assist you with your questions about the Google Nest Thermostat.

To help us troubleshoot this effectively, could you please send us photos of:

• The previous wiring setup: This will help us understand the original configuration.
• The current wiring setup with the new Google thermostat: This will show us the connections you've made.

These images will be invaluable in diagnosing the issue and providing the most accurate assistance.

Regards,

Kevin

[diy43va]

Hi,  How do I send you a photo?  There are no option to upload or attach images and it says I do not have permission.

[diy43va]

oops I wasn't signed in.   photos are above

[diy43va]

[kcruzgonzalez]

Hello, diy43va 

Thanks for reaching out to our Nest Community. We are so happy to assist you with your questions about the Google Nest Thermostat.

Thank you for sharing the photos of your wiring, but I would like to ask you if you can share a photo of the wiring with your previous thermostat; this will help us know how it was working since you have several cables that we need to identify. I appreciate your time and your collaboration.

These images will be invaluable in diagnosing the issue and providing the most accurate assistance.

Regards,

Kevin

[diy43va]

The picture above the nest pic is of the previous thermostat control module.  There were two more control wires coming out of it that went to the thermostat control screen that are no longer necessary. Only those two wires went to the thermostat control screen.  As you can see there are two wires that were connected to  W/W1 on the deleted control module.  One went to W1 on the air handler and the the other went to W2 on the heat pump.  This seems incorrect  but I kept that configuration so now the they both go to W1 on the nest. 

Should I run the W2 wire on the heat pump to the W2 connection nest?air handlerdeleted thermostatheat pumpdeleted thermostat control board

[diy43va]

The picture above the nest pic is of the previous thermostat control module.  There were two more control wires coming out of it that went to the thermostat control screen that are no longer necessary. Only those two wires went to the thermostat control screen.  As you can see there are two wires that were connected to  W/W1 on the deleted control module.  One went to W1 on the air handler and the the other went to W2 on the heat pump.  This seems incorrect  but I kept that configuration so now the they both go to W1 on the nest. 

Should I run the W2 wire on the heat pump to the W2 connection nest?air handlerdeleted thermostatheat pump

[kcruzgonzalez]

Hello, diy43va 

Thanks for reaching out to our Nest Community. We are so happy to assist you with your questions about the Nest Thermostat.

Regarding your question: Should I run the W2 cable from the heat pump to the W2 connection socket?

• Yes, because the W2 wire may control your auxiliary heat. Then the (brown wire) must be installed in the W2 terminal.
• If you have questions, you can check this: Identify a thermostat wire.

Please adjust your thermostat settings following the next:

• Open the Google Home app.
• Tap Favorites or Devices. 
• Select your thermostat.
• Tap Equipment > Heat Pump.
• Switch Use Heat Pump Balance on and choose a Heat Pump Balance setting.
• Alternatively, turn Use Heat Pump Balance off and tap Advanced Configuration to manually adjust your heat pump settings. For details, refer to Advanced Configuration settings.

If you have more questions, follow this: Heat Pump Balance

Let me know how it goes and keep me posted.

Regards,

Kevin