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Type: Posts; User: bruiseandy

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  1. Replies
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    Under that piece of crap pipe support on the...

    Under that piece of crap pipe support on the discharge line between the two compressors maybe. Probably would have found it there but worth a shot.
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    5,873

    what kind of equipment? Package, split? Setup...

    what kind of equipment? Package, split?

    Setup an RTU with an economizer with plenty of minimum OSA and a relief fan hooked to a vfd and static pressure sensor.
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    http://temp91.bizzuka.com/Images/Interior/reliatel...

    http://temp91.bizzuka.com/Images/Interior/reliatel%20controls%20bk%20part%201.pdf

    Start at page 18
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    2,560

    Nice...ever find the clip?

    Nice...ever find the clip?
  5. Replies
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    6,435

    You can see this in the belts when the wrong...

    You can see this in the belts when the wrong program is chosen (although it has been running for 3 months as you said). Try a different program besides hvac and see what happens then check the...
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    ive done a couple but they were all custom uning...

    ive done a couple but they were all custom uning honeywell 7400 components. You could go as simple as a mechanical bulb stat mounted outside. Whole house fan would give you a lot more volume most...
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    2,338

    Basically clear any crap from oil out of...

    Basically clear any crap from oil out of regulator port, the old DB slides have the same thing happen to them. Turn the slide adjustment in and out and it clears any debris out of there.
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    1,596

    3 seperate ports as well, think im becoming a fan.

    3 seperate ports as well, think im becoming a fan.
  9. Replies
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    1,596

    Spam filter ;)

    Spam filter ;)
  10. Replies
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    1,596

    mmmmmmm daddy like.

    mmmmmmm daddy like.
  11. Replies
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    1,596

    How servicable are we talking about here (you...

    How servicable are we talking about here (you have my attention :D ) Slides replaceable? Teardown manuals...?
  12. Replies
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    1,596

    sorry to hijack, why the choice of hanbell over...

    sorry to hijack, why the choice of hanbell over copeland? we have four local copeland reps and their application engineers are great to deal with. 3rd retro this summer first two DB vert and now this...
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    HW sorry to contact you this way but if you could...

    HW sorry to contact you this way but if you could pls drop me an email

    bruiseandy@gmail.com

    concerning a mcquay ALS and retroing in a couple copeland or hanbell screws.
  14. Replies
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    3,279

    we've got a couple at work one is covered with...

    we've got a couple at work one is covered with insulation and the other is bare. Made out of 12 and 10" aluminum pipe with 6 half inch flare fittings screwed on.
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    1,259

    MAybe you should get some more training and...

    MAybe you should get some more training and experience before working on chillers. Guess it's harsh but who will they blame when it takes a turn south? If you just told them to hire a mechanical...
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    7,314

    Also was wondering what constituted heavy...

    Also was wondering what constituted heavy residential :p . I have had a robinair 6cfm and two j/b platinum 7cfm in the past three years. Robinair seemed to be more of a workhorse to tell you the...
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    Also have to consider brackish water, HX would...

    Also have to consider brackish water, HX would have to be constructed of 316L SS. When they look at the final price tag they may not be so apt to do it.
  18. Thread: Old Chiller

    by bruiseandy
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    1,448

    How do your controls look?

    How do your controls look?
  19. Replies
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    1,665

    Think ABB recommends replacing those fans every 2...

    Think ABB recommends replacing those fans every 2 years as well, bad fan will take down the entire drive. My contracts I try to change them out at least every two especially on the critical stuff...
  20. Thread: screw retro

    by bruiseandy
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    4
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    662

    60 is too small 100 is too big hanbell hc-17...

    60 is too small 100 is too big
    hanbell hc-17 looks promising
    will probably end up going with the recips due to the fact they are on the shelf in town
  21. Thread: screw retro

    by bruiseandy
    Replies
    4
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    662

    Only thing is timeline, love the hitachi's and...

    Only thing is timeline, love the hitachi's and would have done it in a second if one was available, didnt check hanbell. Checked out bitzer though but havent ever seen them used in this app.
  22. Thread: screw retro

    by bruiseandy
    Replies
    4
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    662

    screw retro

    anyone try to retro a screw with a recip before? have a 70hp hartford that went down and am thinking of tandeming a couple copeland discus 35hp into it. repiping with help from reciprocating...
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    779

    Yes but then the republicans come along and pass...

    Yes but then the republicans come along and pass as many big brother bills as they can push through riding on the coattails of 9/11. Both parties only worry about their own agendas not you or me.
    ...
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    25yrs old? should have been in wall of pride.

    25yrs old? should have been in wall of pride.
  25. Replies
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    1,899

    You saying theres something wrong with my r22...

    You saying theres something wrong with my r22 bottle hooked up to a solenoid and LP controller?
  26. MY guess is piping issue, hard to say w/o having...

    MY guess is piping issue, hard to say w/o having complete scope of system though. Any p traps on that big line, if its really 45' you'd probably want two. Undersized lineset is a possibility although...
  27. I guess if we wait three weeks we wont have to...

    I guess if we wait three weeks we wont have to worry about it anymore.
  28. So what your saying is your more likely to flash...

    So what your saying is your more likely to flash when you decrease your PD across metering device assuming a full column of liquid?
  29. Better not be if you're working on it :)

    Better not be if you're working on it :)
  30. you referring to flashing in liquid line or post...

    you referring to flashing in liquid line or post txv btw? I'm assuming liquid line.
  31. Whether Im working on a 4 ton split on a 400ton...

    Whether Im working on a 4 ton split on a 400ton chiller the principles and the refrigeration cycles are the same. I'd rather trust the manual to tell you the truth. Check the manual next time you do...
  32. You are wrong compare ambient conditions to...

    You are wrong compare ambient conditions to capacity in any chiller manual.
    Same if you decrease suction pressures you will lose capacity.
    All comes back to volumetric efficency.
    Stalagtites on...
  33. Replies
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    Guys behind counter at supply house said a lot of...

    Guys behind counter at supply house said a lot of people are buying it but that doesn't mean anything. Understand the situation but I only like to see oil and refrigerant in a system. If turbocor...
  34. Replies
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    Check the minimum OSA standard in ashrae and have...

    Check the minimum OSA standard in ashrae and have a balancer set the damper up to match that. 10" seems huge for minimum osa for a 4ton system.
  35. How long is the lineset? Checked for pinches in...

    How long is the lineset? Checked for pinches in the big line coming back to the unit. Where is the furnace in relation to the AC unit (10' above 20'below)?
  36. I've used 1" prefilter material (low static drop)...

    I've used 1" prefilter material (low static drop) getting sprayed by misters to lower it on a chiller when the unloaders broke and went wide open before. 60psi drop. Would never mist directly onto...
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    Could have a couple plugged cap tubes as well,...

    Could have a couple plugged cap tubes as well, unit running when you took that pic?
  38. Replies
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    3,472

    Thats what I end up doing every year when it gets...

    Thats what I end up doing every year when it gets cold. First year it knocked the wheel out of balance and blew the motor. Wife was so enthused when I let her know the good news.
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    Trade work was the first thing that would have...

    Trade work was the first thing that would have popped into my head. :D
  40. Replies
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    766

    This have an economizer on it? Seen the action on...

    This have an economizer on it? Seen the action on your RTU ecnomizers screwy from factory here and there. Amp draw on fan with doors closed would be helpful, humidity wouldn't cause it to freeze...
  41. Replies
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    750

    How's your water treatment? Checked the barrel?...

    How's your water treatment? Checked the barrel? Strainer plugged, water pressures normal? EWT?
  42. Replies
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    1,579

    What was your oil pressure on startup, was the...

    What was your oil pressure on startup, was the accumulator installed backwards possibly?
  43. Replies
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    1,941

    Good thing it was a DB vertical.

    Good thing it was a DB vertical.
  44. replace the POS Ti module with a kriwan then?...

    replace the POS Ti module with a kriwan then? Funny that the sensors in the motor are made by kriwan but D&B kept throwing in the TI Klixon protector.
  45. Replies
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    Makes me jealous, havent got to sweat anything...

    Makes me jealous, havent got to sweat anything over 2" for a year. We don't often design buildings with the boilers outside unless its at the owners request. Pain to tune due to fluctuating ambient....
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    3,217

    Honeywells are nice, same as square D. Install...

    Honeywells are nice, same as square D. Install and proper wiring is critical (distance of load wiring, not running line and load in same conduit). Look up PWM (pulse width modulation) on the web to...
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    Not unless they have accumulated a lot of debris...

    Not unless they have accumulated a lot of debris on them.
  48. Thread: next call

    by bruiseandy
    Replies
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    2,220

    They come packaged and not installed because even...

    They come packaged and not installed because even the guys at the factory cant fight a spot i the crammed cases to install them.
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    If I had to guess I'd say it's a ductless split...

    If I had to guess I'd say it's a ductless split so both lines are insulated and that is conduit leading from the outdoor to the indoor unit. Why be this lazy especially with something as easy as a...
  50. Replies
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    3,885

    300psi on your high side?? with 78 degree...

    300psi on your high side??
    with 78 degree outside air I wouldn't want to see anything higher then 245 psi or so. Seems a bit high like metering device isnt feeding enough.
    What was your SH and SC...
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