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oil boiler w indirect HW: summer settings?

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nick_7
nick_7 Member Posts: 15
in THE MAIN WALL
I have a large weil mcclain oil boiler to heat a big house in NE w. indirect HW? do I need to change any settings on the boiler for the summer when it only fires for the HW? thanks

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  • Paul Pollets
    Paul Pollets Member Posts: 3,656
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    Controls

    The boiler should have a control that only fires the boiler when the indirect tank calls for recovery. We usually use a Tekmar 150 setpoint control. The boiler should be wired for a "cold start", and not maintain a constant temperature. Hpefully, you have an outdoor reset control on the boiler to manage the system temperatures. If you don't have one, you'll find that the OD reset control can save an additional 10-20% of the yearly fuel costs.

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