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Type: Posts; User: qcman

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  1. Replies
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    here are some readings co 267, o2 11.1, air free...

    here are some readings co 267, o2 11.1, air free 569, amb 85, stack temp 447, eff. 76.2, co2 5.5, excess air 100.6
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    1,404

    has new burners and cleaned heat exchanger gas...

    has new burners and cleaned heat exchanger gas pressure set to 3.5" w.c gas and 1.5" w.c air pressure per specs. return water around the 170's
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    1,404

    We keep having a problem with a lochinvar model...

    We keep having a problem with a lochinvar model chn2070 boiler creating co. it is a forced draft boiler I have taken readings with a analyzer but not sure what to do with them. Is there a specific...
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    820

    the furnace is less than a year old already

    the furnace is less than a year old already
  5. Thread: glycol ?

    by qcman
    Replies
    2
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    583

    I recently starting doing the maintenance at a...

    I recently starting doing the maintenance at a church with a small trane chiller. I checked the freezing point of the glycol and it's at 7 degrees. I wanted to add some glycol to lower the freezing...
  6. Replies
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    820

    I want to make my psc motor into a variable speed...

    I want to make my psc motor into a variable speed motor so i can run it constantly at 50% in the off cycle and ramp it back up when needed. does anyone have a suggestion as to a kit i can add to the...
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    417

    I recently purchased and started using the...

    I recently purchased and started using the visible defects kit to locate cracks in furnaces and it has been working great. What i would like to do is make my own flourescent dye to detect the cracks...
  8. Thread: carrier infinity

    by qcman
    Replies
    0
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    575

    need some help this furnace has been looked at by...

    need some help this furnace has been looked at by 2 other companys and about 4 of my co-workers and know me. the furnace is a carrier infinity model 58vca100 original complaint was 44 code. i found...
  9. Thread: dye test kit

    by qcman
    Replies
    4
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    1,026

    thanks guys that is exactly what i was looking...

    thanks guys that is exactly what i was looking for. I knew i could count on someone here to help me out. That test kit works like daylight through a crack i will be sure to purchase some.
  10. Thread: dye test kit

    by qcman
    Replies
    4
    Views
    1,026

    Has anyone here seen or used a heat exchanger...

    Has anyone here seen or used a heat exchanger test kit where you spray a dye through a 1/8" hole around the outside of cells of the heat exchanger then use a small uv light inside the heat exchanger...
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