Search:

Type: Posts; User: Tech83

Page 1 of 3 1 2 3

Search: Search took 0.01 seconds.

  1. Thread: Aaon Gas Pack

    by Tech83
    Replies
    13
    Views
    626

    Thank You Gp71 for info on the 29 volts can be a...

    Thank You Gp71 for info on the 29 volts can be a issue. Think I need to change a few tap settings also. Didn't know they were that tight but It makes sense.
  2. Replies
    8
    Views
    505

    Did you purge with nitrogen thru the line set...

    Did you purge with nitrogen thru the line set from one side to the other? I would look at kinked or blockage in liquid line. (Have also heard guys forgetting to pull plugs on new driers, the new...
  3. Also if your unsure of your SLT you can always go...

    Also if your unsure of your SLT you can always go to evap to get temp. Sometimes adding refrigerant can lead to arrant reading, depending on temperature probe placement.
  4. I have learned to make a mark on the fan blade at...

    I have learned to make a mark on the fan blade at either the bottom of the venturi or the closest point that it touches the venturi, or the top of the blade to ensure it is set to factory specs for...
  5. Thread: Economizer Help

    by Tech83
    Replies
    9
    Views
    751

    Beat me to it slctech, Just downloaded W7212...

    Beat me to it slctech, Just downloaded W7212 info. Was looking for an email address. WTG. Love Google on the job when there are no schematics or info on what your looking at.
  6. Thread: Economizer Help

    by Tech83
    Replies
    9
    Views
    751

    Should of had power to operate the motor (with...

    Should of had power to operate the motor (with green light). Sometime you need to disconnect motor from the damper and make sure the damper is not jammed up (Econ doesn't gets used that often,...
  7. Replies
    32
    Views
    1,554

    When the evap is higher than the coil you can do...

    When the evap is higher than the coil you can do one of two things(without putting in a non-bleed TXV or solenoid valve) install the lines so they go higher than the coil and then drop down into the...
  8. Thread: newbie question

    by Tech83
    Replies
    25
    Views
    1,045

    Still lots of guys out there that only charge by...

    Still lots of guys out there that only charge by pressure. Why, I don't know. Thats the way they were taught. Example was called to help out a maint tech today, said he added 3 pounds, 410a and...
  9. Replies
    32
    Views
    1,554

    I would agree, leave it. But you just learned a...

    I would agree, leave it. But you just learned a nice lesson on checking everything on a unit before you replace a component or components (if possible). So it doesn't come back and bite you. Good job...
  10. Replies
    52
    Views
    5,810

    Wish my electricians wiring my jobs would of been...

    Wish my electricians wiring my jobs would of been this "enthusiastic" for FAN 410. Would not have had so many over loaded and star buses (even when you show them its 1 set in 1 set out "Daisy Chain)...
  11. Replies
    10
    Views
    457

    Fixed it for the customer after the 1 Yr warranty...

    Fixed it for the customer after the 1 Yr warranty was up. :whistle:
  12. Replies
    10
    Views
    457

    Just remember, even though you know it will work...

    Just remember, even though you know it will work better for the customer (programming a certain way). You will not get it past the engineer NO MATTER what. Study the specs and sequence of operation,...
  13. Replies
    12
    Views
    1,356

    I always add a tee on the suction and liquid if...

    I always add a tee on the suction and liquid if not provided on the line just to see what was/is going on. Sounds like you have a nasty restriction. GL
  14. Replies
    10
    Views
    2,434

    Have the same issue, mine is showing trips on...

    Have the same issue, mine is showing trips on LDT, A/H is a TAM7 but no alerts on the boards?
  15. Replies
    12
    Views
    1,767

    Need any one in SW Fl?

    Need any one in SW Fl?
  16. Thread: What Voltage

    by Tech83
    Replies
    19
    Views
    1,200

    208/230 3ph & 460/480 3 ph. Just watch your...

    208/230 3ph & 460/480 3 ph. Just watch your incoming voltage for setting your secondary outputs. A lot of units made @ Carrier are universal so they set there units up for 460. Most EC produce 480+....
  17. Replies
    22
    Views
    1,676

    Don't forget about TD across the coil. Goes along...

    Don't forget about TD across the coil. Goes along the same lines as what Todd is saying.
  18. You might be surprised just how many times the...

    You might be surprised just how many times the HVAC Engineer, and thus the Controls Engineer, specifies this and that. Which does NOT satisfy what the customer expects or wants. BUT ... we've gotta...
  19. Replies
    19
    Views
    939

    Most package units have a weigh in factory charge...

    Most package units have a weigh in factory charge on the name plate for both stages.
  20. Replies
    19
    Views
    939

    What was the tonnage on your 2 stage unit. Did by...

    What was the tonnage on your 2 stage unit. Did by chance you recover both stages at once? Leaving only vapor in both stages?
  21. Replies
    70
    Views
    4,016

    1, never add liquid to low side of a system. You...

    1, never add liquid to low side of a system. You can slug a compressor and kill it. Agree to a point, you can't just open the low side and walk away, you will damage the compressor. Monitoring and...
  22. Replies
    23
    Views
    1,557

    I'm gonna have to disagree with this. X2 ...

    I'm gonna have to disagree with this.

    X2

    This is Resy AC not Refer AC. 100 % of our units with TXV are charged per Sub Cooling, and backed up (hopefully with wb, db & sh ) temps.
  23. Sound like the person that called didn't have...

    Sound like the person that called didn't have there story right or fixed it themself. (ooops someone shut wrong breaker off). Trying to cover their behind!
  24. I find far too many guys being thrown out into...

    I find far too many guys being thrown out into the field without the VERY FIRST clue about what to do, and their supervisors seems complacent enough to tolerate whatever chaos they produce.

    X2
  25. Replies
    30
    Views
    1,587

    Agree allen38, Most techs I see now are bigger...

    Agree allen38,
    Most techs I see now are bigger flame = quicker job, Most tech's I see don't have the knowledge of finese and letting that little bit of heat from the torch do the work for them, by...
  26. Replies
    30
    Views
    1,587

    I find leaks all over Aaons. Also guaranteed to...

    I find leaks all over Aaons. Also guaranteed to find them on the top of a Carrier RTU double row condenser coil where the 1/8" zip tie deteriorated and springs out the coil where then it starts to...
  27. Replies
    51
    Views
    2,703

    Thank You guys you bring up some good points for...

    Thank You guys you bring up some good points for bettering customer relations, having a hard time looking at a customer telling them thier ?-13 is 13months old , but will cost you $$$ to change.
  28. Replies
    5
    Views
    623

    Depending on what update you ran. I think you had...

    Depending on what update you ran. I think you had to do step ups from 4.1, 4.15, 5.0, 5.1 etc... I locked up 2 of them this way, during a update thinking they were updated to a certain version. I was...
  29. Replies
    35
    Views
    1,923

    Sorry you made me stop and think at renovation....

    Sorry you made me stop and think at renovation. Were s/a grills covered with new flooring? were walls removed and s/a removed, blowing into wall cavity or capped. Count the runs downstairs and verify...
  30. Some companies would over size the indoor coil by...

    Some companies would over size the indoor coil by 1/2 ton for better dehumidification, but we always installed the metering device sized for the outdoor unit. If all else fails with mismatched...
  31. Replies
    18
    Views
    1,158

    Just an FYI along the POE lines. Replaced a...

    Just an FYI along the POE lines. Replaced a (R-22) Six yr old grounded out original compressor last week in a Fridgidare. The original had mineral oil in it, the new one Copeland sent out had POE...
  32. Replies
    15
    Views
    1,123

    Down here in Fl we use the Honeywell 8*** for...

    Down here in Fl we use the Honeywell 8*** for snowbirds that aren't that much worried about temp but humidity while they are up north. We set the temp at 76' and 65 % on humidity. On systems that use...
  33. Replies
    47
    Views
    2,911

    Not for nothing but I agree with everyone about a...

    Not for nothing but I agree with everyone about a possible restriction, I think that the C/U has a split coil. Outside and inside might look clean but between them could be packed full of dirt and...
  34. Replies
    15
    Views
    1,799

    I have had installers place the wrong drives on...

    I have had installers place the wrong drives on the wrong motor and seen this. Factory sends drives to shop, shop ships them out, installers install them, pipe fitters set pumps. NO ONE LOOKS AT THE...
  35. Replies
    16
    Views
    1,362

    And makes it more difficult for us proffesional...

    And makes it more difficult for us proffesional to diagnose "HACK" when they can't get it working correctly.
  36. Thread: Brutal!!!!

    by Tech83
    Replies
    74
    Views
    5,154

    I have heard of guys putting solenoid valves that...

    I have heard of guys putting solenoid valves that allow water to cool the condensers when the unit is running. kinda like a garden sprinkler line around the top of the unit to mist the air. I have...
  37. Thread: Brutal!!!!

    by Tech83
    Replies
    74
    Views
    5,154

    two things I learned with Trane units. 1) split...

    two things I learned with Trane units. 1) split coils suck. outside clean inside packed solid. 2) after head pressure rises "wax" that holds metering devices on evap coil break down. hence blow...
  38. Replies
    16
    Views
    1,362

    From what I understand new units only come with...

    From what I understand new units only come with enough refer for 15' line sets. Might want to check the lit then add up the length.
  39. Replies
    4
    Views
    885

    How many wires are at the stat ? This sound like...

    How many wires are at the stat ? This sound like a heat pump setup? Normal honeywell t-stats that use O & B are heat pump or slave stats. More info please.
  40. Thread: Drier question.

    by Tech83
    Replies
    24
    Views
    1,540

    Do a reclaim and remove the OEM one. (one size...

    Do a reclaim and remove the OEM one. (one size fits all drier). That manufacture started put them in the units because they weren't getting them (in the bag, to be field installed), installed in in...
  41. Replies
    4
    Views
    445

    VERY. (good luck, ball valves, not gonna happen...

    VERY. (good luck, ball valves, not gonna happen $$$$$$). Most drain lines down here are common to a few units, we hook a vacuum hose up to them and get as much out as possible. (most have traps and...
  42. Replies
    18
    Views
    1,413

    you didn't say if it was hor/vert or the make. So...

    you didn't say if it was hor/vert or the make. So I would pull the door and poor water in the pan. then watch it flow. I have found units unlevel (even level. you have to help Lennox hor.) Also have...
  43. Replies
    6
    Views
    692

    X2 insulate both and try to come over the top of...

    X2 insulate both and try to come over the top of AH unit to make a natural trap to ensure oil return.
  44. Thread: New to service

    by Tech83
    Replies
    17
    Views
    1,506

    I agree with Carmen. that being said , I have had...

    I agree with Carmen. that being said , I have had to do this for many years. Run the heat in the house to get a little load while you are checking out everything else. Then wrap the condenser with a...
  45. Replies
    7
    Views
    1,230

    Many questions to ask yourself. How old is unit?...

    Many questions to ask yourself. How old is unit? How long will repair take under a slight positive pressure? Location of dryer? Like Birm said if its a simple change under positive pressure, leave...
  46. Replies
    18
    Views
    1,561

    I thought oxy and nitro threads were different...

    I thought oxy and nitro threads were different ie.. 1 left thread and 1 right, so they didn't get mixed or crossed up in hospital use!
  47. You said you replaced the compressor once before...

    You said you replaced the compressor once before , by chance did you add a trap to help get the oil back to the new compressor. also I would look at increasing your blower speed, not knowing the lay...
  48. Replies
    13
    Views
    2,177

    Is the Java the correct version?

    Is the Java the correct version?
  49. Replies
    13
    Views
    2,177

    Did you do all upgrades before installing...

    Did you do all upgrades before installing 5.2.10? I think there were patches that needed to be done before upgrade.
  50. Replies
    21
    Views
    2,082

    I just replaced a header coil on a unit that was...

    I just replaced a header coil on a unit that was 10 months old. Tubes were freezing within minutes, second stage would kick in and satisfy stat. Header was soaked. Carrier has had an issue with...
Results 1 to 50 of 110
Page 1 of 3 1 2 3
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event