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Erie Boiler Boss

Does the Erie boiler boss 4 zone circ control have Normal open and normel closed contacts for each zone?
(Taco and argo only have normal open contacts to operate circulator)

I want to operate steam zone valves that need power to open and power to close

Comments

  • Joe MattielloJoe Mattiello Member Posts: 547


    Look at pages 47, and 48 of the Taco zone control wiring guide. We show valves that need 24 volts to open/close so we take a lead off the right hand t terminal at the top of the board where the thermostat is wired too. For your convenience I attached a copy of the Taco zone control wiring guide. Hopefully this helps you
    Joe Mattiello
    Application Field Service Engineer
    Taco, Inc.
  • EdTheHeaterManEdTheHeaterMan Member Posts: 49


    Thanks .... but valve motor is 110V
  • Ray LandryRay Landry Member Posts: 203


    What about using a 120v general purpose relay?
  • EdTheHeaterManEdTheHeaterMan Member Posts: 49


    I can do that for each zone with no problem... I think that is the way i will end up! I was hopeing for the nice compact look of the multi zone panel like Argo, Taco and the like. I have not used Erie Boiler Boss and I can't find the schematic on their website to see if the 4 zone circ relay has SPST or SPDT (with NO and NC terminals) as the single zone relays have
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