Recent content by buzarau

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    Control of Broan (Venmar?) HRV or ERV Info

    Hi, maybe this can help someone if still interested! After some investigation, the Carrier NIM uses 3 resistors on the board to control high, low and off. 22k for off, 220 for high and 4.7k for low. So logically just solder new values in their place. I used 4k for high instead of the 220, 56k...
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