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Type: Posts; User: Thaaguy

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  1. Replies
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    The negative pressure caused by the exhaust fan...

    The negative pressure caused by the exhaust fan that keeps running regardless of what this pseudo mau does, of course!
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    water heat/cool coils, what order?

    I've always seen the Heating coil first in path of airflow, followed by cooling coil, at least, I feel like that's what i usually see. I figure it makes sense for freeze protection...if freezestat...
  3. Speaking of which.... Have any of you folks...

    Speaking of which.... Have any of you folks heard old timers talking about throwing some logs in the basin of a cooling tower to winterize it? Apparently this somehow keeps any ice that forms from...
  4. Indeedy!

    I agree on all points. I just thought BAC would be easier to deal with (they have been in the past).

    So, BAC tells me that I have to order the whole damper assembly - $14000 dealer cost. ...
  5. yes but....

    I guess I always try to save folks some money...going back, removing, going to dealer, all adds up and pretty soon they are looking at me like "why is this so damn expensive?!?!"

    I'm hoping hte...
  6. Need to know which damper actuator a cooling tower uses...

    I'm looking at a BAC cooling tower (model # F 2442 M). The damper actuator on top has bound up, leaked its oil, & ripped itself off the bracket. Surprisingly the damper itself is in very good shape...
  7. This is a York unit. The evaps are staggered (to...

    This is a York unit. The evaps are staggered (to balance flow I am guessing) - one is about 10 inches behind the other and a foot higher...like building an evaporator staircase if that helps at...
  8. I haven't been back tho this thing yet, but...

    I haven't been back tho this thing yet, but here's some more info - it is so hard to provide everything in one go from memory!

    The compressors are not staged...the two work together. The machine...
  9. Yeah there is no head pressure control...good...

    Yeah there is no head pressure control...good thought there. I'll go back with a garbage bag! Thanks!
  10. Replies
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    How are you attaching your gages? Do you have to...

    How are you attaching your gages? Do you have to remove a panel? If so, How well is the hole (if it exists) blocked up? You could have very different condenser airflow each time....any flow that...
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    Even though the units are all similar / same, the...

    Even though the units are all similar / same, the loads, ductwork, quality of insulation on linesets, amount of construction debris on evaporators, accuracy of the charge, condenser airflow, etc......
  12. Sorry guys, around 50*F ambient. The evaporators...

    Sorry guys, around 50*F ambient. The evaporators are one atop (not behind) the other in the same air stream and the other one has normal readings, and filters are (supposed to be) regularly changed...
  13. I don't think that in my case the displays stayed...

    I don't think that in my case the displays stayed off...just that the drives would not run...but I could be misremembering. If you have Eclipse bypasses you have to have the proper profile on the...
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    I'm interested in where that 6 came from! ...

    I'm interested in where that 6 came from!

    You measure superheat on the suction line - the temperature there is telling you how much hotter the gas is than it absolutely must be to be all gas (at...
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    Did we ever find out a resolution on this thing? ...

    Did we ever find out a resolution on this thing? I didn't see one... I'd love to know if it was solder connections do you guys keep a soldering iron the truck - wouldn't you worry about liability?
  16. Hey folks, have a look and give me your thoughts...low pressures on tandem scrolls

    I got sent to replace the tandem scroll compressors in a York RTU (mid-age 10-13 years). One of the compressors in the old pair grounded out.

    Recovered, removed old compressors. Cut out old...
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    New guy in cincinnati

    Hey all, I'm in Cincinnati, Ohio...home of lousy humidity and frequently (and rapidly) changing weather. I do commercial and industrial HVACR. I was in industrial maintenance and reliability for...
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