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Type: Posts; User: relay320

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  1. Replies
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    Filter dryer placement

    Has anyone placed a filter dryer before the condenser? Always after all I know. Ordered parts from manufacture and they sent a dryer for straight of compressor.
    My question is, placement of it,...
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    when fails, always fails on ignition. can hear...

    when fails, always fails on ignition. can hear spark, but does not light. The burner orfices have been cleaned. Gas press. after honeywell valve is 8.5"wg.
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    yes I have witnessed failure to ignight. gas...

    yes I have witnessed failure to ignight. gas pressures are right I believe manufactures suggest 8-9"wg, press. drop is in frame, and is far as I know spark is adaquate. Burner is clean as can see...
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    gas press. does stay at constant, when lit flame...

    gas press. does stay at constant, when lit flame sig. does stay within stand. 1-2 not firm, it regulates from 1.3-2.0. The Fenwal was replaced new about 1yr. ago, also exchanged with one that know is...
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    guess I don't catch what your asking? Failures...

    guess I don't catch what your asking? Failures occured if building under load or not. main point is if building under load and not is maintaining same pressure then where does a guy go?
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    A bit computer illiterate. I'll try to put pics...

    A bit computer illiterate. I'll try to put pics of burner and gas train on. As you can see NO pilot.
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    Here are some pic's I've got of what I've got....

    Here are some pic's I've got of what I've got. Hope it helps you out to help me out. I have been suggested to replace existing spark ignition (w/o pilot, with a direct spark ignition with xformer and...
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    I'll take a pic and try to show what I've got as...

    I'll take a pic and try to show what I've got as I get a chance.
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    that would be the bad boy. should be the 20...

    that would be the bad boy. should be the 20 series for unit with. I should say its fenwal flame safe guard/flame generater, and maxitrol series 44 amplifier.
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    believe from '05 not to fireye control yet on...

    believe from '05
    not to fireye control yet on this one, but have seen around on other units.
    has fenwal ignition control and maxitrol amplifier.
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    just dawn on me! there is a co-ray-vac system in...

    just dawn on me! there is a co-ray-vac system in building also that runs very occasionly. Will check that out mon. morning with it under full load. THANKS!
    (only took mentioning full load twice)
  12. Replies
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    I am able to see the flame fairly good when lit,...

    I am able to see the flame fairly good when lit, or burning. Flame looks fine. There is no actual separate pilot for ignition. It lights on low,or min. flame. Once burner lights, and flame is proven...
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    I know the gas supply is an issue that has...

    I know the gas supply is an issue that has occured prior on other units around this facility, that is still in the process of getting resolved. This unit would not fire at times when I still had 8-9"...
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    the only thing is since direct fired it only has...

    the only thing is since direct fired it only has single try and if unsuccessful it is locked out on flame fail & then goes out on freeze protect. It does have hi-temp limit, but it modulates and runs...
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    drop across burner .75" . 206,200 max in & 16,000...

    drop across burner .75" . 206,200 max in & 16,000 min I believe it's a VSU-110-H20. guess to answer I did not check actual velocity. believe velocity would be right if drop across burner is in close...
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    thanks for replies. I have already swaped out the...

    thanks for replies. I have already swaped out the fenwall ignition control,ignitor,cleaned burner,ohmed out ignitor wire, & thought I had it. Following day got word was locked out. It is 100% FA. Has...
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    anyone w/similar problems on MUA?

    Got a greenheck m#VSU MAU that fails to light intermitantly. Have done everything suggested by manufactures, no help. Now suggest to convert to 120v ignition at xxxx dollars just for parts. Existing...
  18. here in minnesota they've got us liscensed to...

    here in minnesota they've got us liscensed to pull t-stat wire. PLT (power limited tech.). are any other states going this route?
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    try to save a buck! And customers still ask "why...

    try to save a buck! And customers still ask "why are you so much more than the other guy?" It's a tough lesson to learn.
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    have had problems from not dble checking txv's...

    have had problems from not dble checking txv's for heat pumps & find out ac only was sent by whslr & insalled. they work good until heating time comes!
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