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taco mastermind II

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darren_4
darren_4 Member Posts: 4
in THE MAIN WALL
help if possible
i have a customer with a taco mastermind II energy saver control.the problem is when control is in normal mode boiler runs fine,when control is in save mode burner doesn't fire.system is forced hot water 3 zones /taco zone valves with domestic. when in save mode all z.v. are opening fine ,circ comes on and runs burner cold.


thank you

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  • Joe Mattiello
    Joe Mattiello Member Posts: 748


    attached is the instruction sheet for the obsolete mastermind. Hopefully this helps you.
    Joe Mattiello
    N. E. Regional Manger, Commercial Products
    Taco Comfort Solutions
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