Enviro M55 Voltage Readings

jbfrost912 Posted By jbfrost912, Jan 4, 2012 at 9:41 PM

  1. jbfrost912

    jbfrost912
    New Member 2.
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    Mar 23, 2011
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    Loc:
    southeastern nh
    I thought I read somwhere that someone was asking about voltages so I just took voltage measurements of my combustion fan and my convection fan through the range of settings. My combustion air trim was at setting #3 and my feed trim was also set at setting #3. Here is what I came up with:

    Combustion fan
    Setting 5 - 116.6 v
    Setting 4 - 111.2 v
    Setting 3 - 105.7 v
    Setting 2 - 99.4 v
    Setting 1 - 89.0 v

    Convection fan
    Setting 5 - 118.7 v
    Setting 4 - 108.4 v
    Setting 3 - 103.3 v
    Setting 2 - 97.7 v
    Setting 1 - 91.1 v

    I turned up the combustion air trim up to setting #5 left the feed at #3 and here is what I got:
    Combustion fan
    Setting 5 - 117.8 v
    Setting 4 - 113.7 v
    Setting 3 - 110.0 v
    Setting 2 - 104.4 v
    Setting 1 - 94.6 v

    Convection fan
    Setting 5 - 119.1 v
    Setting 4 - 109.6 v
    Setting 3 - 104.1 v
    Setting 2 - 97.7 v no change
    Setting 1 - 91.1 v no change

    Jon
     

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