![]() ![]() ![]() I went through this setup today after my recently installed HVAC system wasn't properly setup by my vendor last month. I chose "Not" because AC should turn on the fan itself.Īppreciate if someone with experience could provide some insight. Could someone with experience confirm that?Īnother selection is when dehumidification is called, system should "Activate fan" or "Not". And that means if no dehumidification is needed, the * terminal should be closed (energized). It seems like I should choose "de-energize the * terminal". From the air handler manual, when dehumidification is needed, thermostat would open circuit R to DH, to reduce fan speed. Nest ask To dehumidify, energize or de-energize the * terminal. The on Nest setup, choose Dehumidifier for *, and choose "Dehumidify with AC". On the air handler control board, remove the J1 jumper between the R and DH (dehumidifier) terminal.Ĭonnect a wire to the DH terminal, and the other end of the wire to the * (star) terminal on the Nest. I try to set it up with the Nest but I am not sure which setting on the Nest should I choose. I have a Carrier/Bryant FV4C variable speed air handler that has its own Dehumidifier mode. ![]()
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