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Type: Posts; User: raven22

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  1. Replies
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    go commercial, i work in nyc and im busy all year...

    go commercial, i work in nyc and im busy all year round, I started off in residential great way too learn without getting overwhelmed, residential there are lots of layoffs all the time economy is...
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    no 235 is wright my head was 310 anyway and...

    no 235 is wright my head was 310 anyway and compressor was running so I don't know what they mean
  3. Replies
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    I talked with manufacturer the head pressure...

    I talked with manufacturer the head pressure control is set to 235 max for 410a water cooled my head pressures were over 300 normal 410 pressures, they had three belimo valves 2 stayed open one which...
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    384941384951384961384981[ATTACH=CONFIG]problem...

    384941384951384961384981[ATTACH=CONFIG]problem solved went back topday to pm all units there was 3 water accuator valves on the in/outlet 2 were open one was closed, the closed one was labbled head...
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    it says l1 terminal is control voltage so if it...

    it says l1 terminal is control voltage so if it is wired through y like you say how is this problem fixed where is your y connected to if not l1
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    that's my point these units weren't put back...

    that's my point these units weren't put back properly the pink 410a label on top of both compressors in one unit means they are regular scrolls according to what your saying while in the other unit...
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    makes sense because one unit the compressor was...

    makes sense because one unit the compressor was unloading the other wasnt
  8. Replies
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    im pretty sure both these units were broken down...

    im pretty sure both these units were broken down to get into space if 2 regular scrolls went in one unit and 2 digital in the other would this be causing the problem im having? becaue when I was...
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    384551384561when I go back this week ill take...

    384551384561when I go back this week ill take some pictures and post them, there is a 50 page book in the controls box showing how everything is wired and works, didn't have time to really go through...
  10. Replies
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    well if both compressors have their own low/head...

    well if both compressors have their own low/head pressure switches its not a single circuit wright? so that would eliminate the low pressure point your making, but I do believe its a installation...
  11. Replies
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    well the most common thing between both units is...

    well the most common thing between both units is the water supply they share the water temp going in I believe was 70 pressure going in was 60
  12. Replies
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    I don't know was only there for a hour on Friday...

    I don't know was only there for a hour on Friday unit is still under warrenty so I don't know if I will be fixing it, yes both compressors shut off at the exact same time weird, they both don't turn...
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    there's a pressure transducer on the discharge...

    there's a pressure transducer on the discharge line, when the 2nd compressor comes on they both run a minute or so then both shut off and the 3 red blinks show on controller then they come on again a...
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    so its normal operation for these digital scrolls...

    so its normal operation for these digital scrolls to constantly short cycle with poor modulation what a bad design
  15. Replies
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    yeah this is the controller both compressors are...

    yeah this is the controller both compressors are the same and I have one of these controllers in each unit with 2 compressors in each unit never worked with this type of controller doing some weird...
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    well i only have low and high pressure controls...

    well i only have low and high pressure controls high is manual reset so cant be that low is auto maybe faulty low pressure water is good but 2 separate units doing the same thing weird
  17. Replies
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    ok so my problem is I have a call for compressor...

    ok so my problem is I have a call for compressor but its getting locked out due to no amperage being detected
  18. Replies
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    what im thinking is that when the 2nd stage...

    what im thinking is that when the 2nd stage compressor kicks in there is a power drop goes below 208 and is sensed through this device shutting down the compressors when I go back next week im going...
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    it did start that's not the problem 1st stage...

    it did start that's not the problem 1st stage runs second stage comes on 1 minute or so later both compressors go off then come on again minutes later same thing olver and over red light blinks 3...
  20. Replies
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    like I said there are 2 units same make model...

    like I said there are 2 units same make model brand new doing the same thing just odd I checked everything already covering the basics
  21. Replies
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    I need to know what causes this type of code ...

    I need to know what causes this type of code

    Flash Code 3 - Compressor Protector Trip
    The demand signal from the system controller is
    greater than 1.44VDC and there is no compressor
    current...
  22. Replies
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    I don't have a pick of the diagnosis box only the...

    I don't have a pick of the diagnosis box only the one mounted to the compressor its black has a green status light a red light that says alarm and a yellow light that says unloaded yessss that's it...
  23. Replies
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    know a regular scroll compressor the black box...

    know a regular scroll compressor the black box mounted in the unit tells me by the blinking lights compressor overload that's it
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    not that I know of ill take a better look when I...

    not that I know of ill take a better look when I go back next week but I was leaning towards that gotta be the voltage maybe running a little low I think I was getting 199 volts on all three phases...
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    units are in a closed loop system connected to a...

    units are in a closed loop system connected to a dry cooler I have 2 leiberts for a server room running off the same dry cooler and their doing fine,you talking about replacing the motor protector or...
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    compressor black over current box tripping

    I'm working on a Aaon water cooled self contained unit ac only 3 months old first ac season, theirs a black phase monitor box that keeps blinking 3 times red light, code says overloaded compressor, I...
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    comperssor black overcurrent box tripping

    I'm working on a Aaon water cooled self contained unit ac only 3 months old first ac season, theirs a black phase monitor box that keeps blinking 3 times red light, code says overloaded compressor, I...
  28. i know a few guys that worked for Donnelly...

    i know a few guys that worked for Donnelly Mechanical from what they told me they have gps in all trucks,you need to account for all time, there a 638 shop, if you want some one constantly watching...
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    you must work for hughes cause your kissing their...

    you must work for hughes cause your kissing their but this was before my current job keep sucking hughes but
  30. update problem fixed,the problem was the back up...

    update problem fixed,the problem was the back up system was wired where on a call for cooling during switchover all four contactors where getting pulled in at the same time causing a voltage drop,the...
  31. Replies
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    I was called in for a interview,im a lead tech at...

    I was called in for a interview,im a lead tech at the company im currently working for, over 15 years in the field could not be better,their loss not mine, and im not the only one this happened too,...
  32. Replies
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    yeah their union all ny locals and nj,i went for...

    yeah their union all ny locals and nj,i went for a interview they gave me a 100 question test to take,gets graded through the computer,owner meet with me said service manager wasnt available,asked...
  33. oh buddy if i wanted an english lesson i would...

    oh buddy if i wanted an english lesson i would have asked mo
  34. cool went there this morning unit still running...

    cool went there this morning unit still running room 65 temp unit didnt shut off had to bypass control switch over box add t-stat back up unit turning on and off fine found that though the control...
  35. cool went there this morning unit still running...

    cool went there this morning unit still running room 65 temp unit didnt shut off had to bypass control switch over box add t-stat back up unit turning on and off fine found that though the control...
  36. Yea at night low ambient control working could it...

    Yea at night low ambient control working could it be going off on low pressure from unit running non stop
  37. Yes has a damper controlled by head pressure...

    Yes has a damper controlled by head pressure piston working can it be going off on low pressure due too non stop running
  38. yes its a manual change over switch from primary...

    yes its a manual change over switch from primary to secondary,it seems like there is a timer but i check system did not see one
  39. BACKUP PACKAGE AC UNIT FOR SERVER ROOM GOING OFF BY MORNING

    BACKUP PACKAGE AC UNIT FOR SERVER ROOM GOING OFF BY MORNING



    IM WORKING ON A SERVER ROOM AC SYSTEM WHICH HAS A CONTROL BOX WITH PRIMARY AND BACK UP SWITCH AUTOMATICALLY SWITCHES TO BACKUP WHEN...
  40. BACKUP PACKAGE AC UNIT FOR SERVER ROOM GOING OFF BY MORNING

    IM WORKING ON A SERVER ROOM AC SYSTEM WHICH HAS A CONTROL BOX WITH PRIMARY AND BACK UP SWITCH AUTOMATICALLY SWITCHES TO BACKUP WHEN PRIMARY GOES DOWN SO THE PRIMARY IS DOWN BAD COMPRESSOR WAITING FOR...
  41. Replies
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    local 638 metal trades service guys on my list...

    local 638 metal trades service guys on my list dont know anyone who worked for them
  42. Replies
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    your wright but what always got me is we fix...

    your wright but what always got me is we fix things and keep nyc running what do fitters do run pipe how is this deserve 15 more an hour when we have to be alot smarter to get paid less anybody can...
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    metal trades is a bad title for hvac service...

    metal trades is a bad title for hvac service techs got to come up with a more accurate title for what we do, how about Mechanical Equiptment Service Technicians or even Mechanical Trades
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    im a metal trades journeyman in nyc and i do no...

    im a metal trades journeyman in nyc and i do no residental all commercial high rise buildings
  45. Replies
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    thanks been trying to figure this out for years...

    thanks been trying to figure this out for years my old local card said DVJ MES Journeyman i transfered locals now my card say's MTJ Metal Trade Journeyman
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    UA Union Card Tittles

    ok so for the UA union cards local 638 metal trades ny what do all the different abbreviations mean like MES,MTJ,BTJ,DVH,DVJ,tradesman,and anyothers
  47. Thread: 638B to 638A

    by raven22
    Replies
    33
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    7,657

    maxter lost your email

    maxter lost your email
  48. Thread: 638B to 638A

    by raven22
    Replies
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    7,657

    i talked with james elder and at this time they...

    i talked with james elder and at this time they are not letting anybody transfer from b to a
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    theres a good deli on the corner canal st and...

    theres a good deli on the corner canal st and west broadway banging philly cheese steak across from the hotel im on a budget though dont buy lunch unless i get home late and forget to make it i was...
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    Microwave in the work truck!!!!!!!!!!!!

    Sick of cold lunches getting ready to install a microwave in the work truck anybody done this already if so what size power converter do you need Manhattan is tooooooo expensive to buy hot lunch
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