Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

Connect Emerson 90-294Q SPDT Enclosed Fan Relay for inline vent blower to EAC terminal

Hi, I want to use Emerson 90-294Q SPDT Enclosed Fan Relay to control 2 inline vent blower fan. My control boar doesn't have a EAC-2 terminal. Can I connect L1 to EAC on control board, L3 to white wire from power panel and vent blower, L2 to black wire from power panel, and L4 to black wire to inline vent blower? Or I have to connect L3 to a common connector on control board? Thanks


    JUGHNE Member Posts: 11,055
    What does the "2 inline vent blower fan" do?
    Are they for flue exhaust fans or to move more air thru your ductwork?
  • sdyt
    sdyt Member Posts: 2
    Move more air to second floor. The guy installed the system did a very bad duct work.
  • unclejohn
    unclejohn Member Posts: 1,833
    Yes if 1 and 3 is the 110v coil and 4 and 2 are the normally open contacts. But those fans never really get you more air.
    JUGHNE Member Posts: 11,055
    Are you short of air for cooling or just heating?