topic Re: Heat blowing while on cold in Nest Thermostats https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651652#M126966 <P><a href="https://www.googlenestcommunity.com/t5/user/viewprofilepage/user-id/54">@Patrick_Caezza</a>&nbsp;please see my responses below.</P> Fri, 25 Oct 2024 14:12:22 GMT Pcamacho 2024-10-25T14:12:22Z Heat blowing while on cold https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651511#M126948 <UL><LI>I just installed a 4th gen Nest.&nbsp;<BR />I have it set on cool but hot air is blowing out.&nbsp;<BR />I have hooked up W1 and W2 aux. is that the problem?</LI></UL> Thu, 24 Oct 2024 22:47:46 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651511#M126948 Pcamacho 2024-10-24T22:47:46Z Re: Heat blowing while on cold https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651565#M126951 <P><a href="https://www.googlenestcommunity.com/t5/user/viewprofilepage/user-id/609206">@Pcamacho</a>&nbsp;</P> <P>Post a picture of the original thermostat's wiring here</P> Fri, 25 Oct 2024 04:55:28 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651565#M126951 Patrick_Caezza 2024-10-25T04:55:28Z Re: Heat blowing while on cold https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651627#M126958 <P>You got your reversing valve O/B switch backwards</P> Fri, 25 Oct 2024 12:08:02 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651627#M126958 Charleshall76 2024-10-25T12:08:02Z Re: Heat blowing while on cold https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651640#M126961 <P>I don't know what that means. Please explain.</P> Fri, 25 Oct 2024 13:29:10 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651640#M126961 Pcamacho 2024-10-25T13:29:10Z Re: Heat blowing while on cold https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651641#M126962 <P>I do not have permission to upload images.</P> Fri, 25 Oct 2024 13:33:58 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651641#M126962 Pcamacho 2024-10-25T13:33:58Z Re: Heat blowing while on cold https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651643#M126963 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Pcamacho_0-1729863265108.jpeg" style="width: 400px;"><img src="https://www.googlenestcommunity.com/t5/image/serverpage/image-id/53691i0A0DE529A3722531/image-size/medium/is-moderation-mode/true?v=v2&amp;px=400" role="button" title="Pcamacho_0-1729863265108.jpeg" alt="Pcamacho_0-1729863265108.jpeg" /></span></P><P>I did it. Here is the picture of the old thermostat.</P> Fri, 25 Oct 2024 13:34:50 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651643#M126963 Pcamacho 2024-10-25T13:34:50Z Re: Heat blowing while on cold https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651646#M126965 <P>This is how I connected the Nest:&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Pcamacho_1-1729863359943.png" style="width: 400px;"><img src="https://www.googlenestcommunity.com/t5/image/serverpage/image-id/53692i8F9C56EE3C6C1EB3/image-size/medium/is-moderation-mode/true?v=v2&amp;px=400" role="button" title="Pcamacho_1-1729863359943.png" alt="Pcamacho_1-1729863359943.png" /></span></P><P>&nbsp;</P> Fri, 25 Oct 2024 13:36:08 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651646#M126965 Pcamacho 2024-10-25T13:36:08Z Re: Heat blowing while on cold https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651652#M126966 <P><a href="https://www.googlenestcommunity.com/t5/user/viewprofilepage/user-id/54">@Patrick_Caezza</a>&nbsp;please see my responses below.</P> Fri, 25 Oct 2024 14:12:22 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651652#M126966 Pcamacho 2024-10-25T14:12:22Z Re: Heat blowing while on cold https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651667#M126972 <P><a href="https://www.googlenestcommunity.com/t5/user/viewprofilepage/user-id/609206">@Pcamacho</a>&nbsp;,</P> <P>your system is a heat pump base system, and you did not hook up the orange wire properly. The orange wire goes into the OB terminal and the white wire goes into the W2 terminal.</P> <P>AC Cooling Wizard</P> Fri, 25 Oct 2024 15:37:47 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651667#M126972 CoolingWizard 2024-10-25T15:37:47Z Re: Heat blowing while on cold https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651675#M126978 <P>That did the trick!</P><P>Very much appreciated.</P> Fri, 25 Oct 2024 16:06:20 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Heat-blowing-while-on-cold/m-p/651675#M126978 Pcamacho 2024-10-25T16:06:20Z