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  1. Replies
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    Views
    529

    Check this page out on superheat and Subcooling. ...

    Check this page out on superheat and Subcooling.
    http://www.achrnews.com/articles/quick-facts-superheat-and-subcooling
  2. Thread: i'm 98%

    by Cmstech
    Replies
    157
    Views
    28,526

    Blue klein wire strippers.... 2% here

    Blue klein wire strippers.... 2% here
  3. Replies
    17
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    1,417

    Fluctuation in superheat/sub cooling (assuming...

    Fluctuation in superheat/sub cooling (assuming metering device is good) would indicate non condensibles.
  4. Replies
    61
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    4,191

    Need to convert using 407 refrigerant. Mo99 is...

    Need to convert using 407 refrigerant. Mo99 is junk. The older units are designed for r22, and when using mo99 which differs in capacity and pressures, the metering device doesn't meter properly....
  5. Replies
    48
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    6,833

    In my bag, ratchet box wrenches 9/16 and 1/2....

    In my bag, ratchet box wrenches 9/16 and 1/2. Also stubby 7/16, 1/2, and 9/16. Anything bigger is worth a walk to the truck
  6. Replies
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    829

    Anyone know this company

    I'm looking for some information about a national company called Advanced Mechanical Services. Does anyone know anything about the company. They approached me with an offer today. I'm with CMS and...
  7. Replies
    10
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    2,489

    Harris

    Harris
  8. Replies
    10
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    2,489

    Nitrogen regulator

    I just bought this, loving it.

    http://www.harrisproductsgroup.com/en/About-Harris/newsroom/Nitrogen-Regulator.aspx
  9. Thread: Wire tracer

    by Cmstech
    Replies
    6
    Views
    2,487

    Wire tracer

    I deal with a lot of controls, and most of the systems we service are three phase. I feel like a wire tracer would save me a few headaches at times. What are some good wire tracers out there. Does...
  10. Thread: Wet/Dry Vac

    by Cmstech
    Replies
    11
    Views
    1,682

    Went ahead and bought a Shop-Vac 5gal 3hp with...

    Went ahead and bought a Shop-Vac 5gal 3hp with attachments. Not too heavy, not too bulky, and its got some good power
  11. Replies
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    2,157

    L Series specific, I've had smoke detectors trip...

    L Series specific, I've had smoke detectors trip the T1 trans, relays, and contactors. But my odd ball find on one particular L Series was within the wiring harness. Coming of the tb34 terminal block...
  12. Thread: Wet/Dry Vac

    by Cmstech
    Replies
    11
    Views
    1,682

    Wet/Dry Vac

    Who is making the best wet/dry vac these days.
  13. Thread: Tool bags

    by Cmstech
    Replies
    96
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    17,960

    I like the way the custom leathercraft looks. I...

    I like the way the custom leathercraft looks. I may go with it since I'm up and down ladders all the time. My AWP backpack was decent up roof hatches until the strap broke
  14. Thread: Tool bags

    by Cmstech
    Replies
    96
    Views
    17,960

    Tool bags

    What brand, style tool bag are all tHe techs out there rockin? I got an AWP but it's wearing down so I'm looking at getting a new one. I was just trying to see what other guys liked/disliked. Thanks
  15. Replies
    27
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    3,736

    I got the fluke 80PK-8 Type k pipe clamp, and the...

    I got the fluke 80PK-8 Type k pipe clamp, and the fluke 80PK-24 air probe
  16. Replies
    27
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    3,736

    Best temperature reading tool

    What is everyone using to measure air temp?
    What is everyone using to measure surface temp?
  17. Replies
    1
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    655

    Leave it to the rookie!!

    I went to an emergency call tonight on a reach in cooler at a well known restaurant. When I arrived I checked my notes and saw the new guy was just there this morning. The notes said added R-134a and...
  18. Replies
    48
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    5,401

    Assuming the system (other than refrigerant...

    Assuming the system (other than refrigerant cycle) is running correctly. I would say recover refrig, blow nitro just in case TXV has debris, but It sounds like replacing the drier and charging unit...
  19. Replies
    22
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    2,768

    Compressed air is a no no. All air has moisture...

    Compressed air is a no no. All air has moisture in it. I would recover R-22, blow nitro through it to get any debris out, flush my line set, replace liquid drier, nitro test for leaks, pull vacuum,...
  20. Replies
    23
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    3,943

    I had on doing that a while back. It was a faulty...

    I had on doing that a while back. It was a faulty limit switch losing 24vlts to condenser fan contactor. I could tech across and it would be fine, then push on my terminals and it would read open....
  21. A tech gotta do what a tech gotta do sometimes, I...

    A tech gotta do what a tech gotta do sometimes, I hope that's just a temporary solution
  22. Replies
    14
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    1,747

    I don't miss those calls. Rooftops don't sound so...

    I don't miss those calls. Rooftops don't sound so bad now lol
  23. Replies
    6
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    1,286

    Went to site this morning, contacted Novar after...

    Went to site this morning, contacted Novar after pulling Novar module. No dc volts from module, status light constant not blinking. Bad Novar module. Quoted out new
  24. Replies
    14
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    1,764

    TU = Trane up flow D = induced draft 2 = two...

    TU = Trane up flow
    D = induced draft
    2 = two stage
    C = 21" cabinet width
    080 = 80,000 btu
    A = design
    9 = 115 volts/ 60 hertz / natural gas
    V4= 4ton variable speed motor
    V= variable speed...
  25. Replies
    14
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    1,764

    .

    .
  26. Replies
    14
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    1,869

    Fluke all the way, nothing else. Fluke...

    Fluke all the way, nothing else.
    Fluke multimeter, amp clamp, type k pipe clamp, type k temp probe
  27. Replies
    51
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    7,574

    Never let the customer, your company, or anyone...

    Never let the customer, your company, or anyone else cause you to sacrifice your integrity and quality of work.
  28. Replies
    6
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    1,286

    All units are running, board status showing...

    All units are running, board status showing signal to Novar board and all. They just can't see the units on there end
  29. Replies
    6
    Views
    1,286

    Novar signal trouble

    Store loss power in storm, when power came back on Novar had alarms on all units (15 Lennox L-Series). I reset all units, reset Novar panel, and still Novar tech was not getting a signal from units....
  30. Replies
    8
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    1,085

    I'm going to miss the ole chief

    I'm going to miss the ole chief
  31. Replies
    17
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    1,971

    Agree. Recover refrigerant, pull complete 500...

    Agree. Recover refrigerant, pull complete 500 micron vacuum, and recharge.
  32. Replies
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    6,209

    Wow

    Wow
  33. Replies
    14
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    3,017

    This is not Craigslist buddy

    This is not Craigslist buddy
  34. Thread: Oh Joy!

    by Cmstech
    Replies
    31
    Views
    4,154

    At least Follett isn't the worst to clean

    At least Follett isn't the worst to clean
  35. Thread: York

    by Cmstech
    Replies
    11
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    1,340

    I'm not a big fan of YORK. They have good systems...

    I'm not a big fan of YORK. They have good systems don't get me wrong, and the reheat systems are great. In my opinion as a commercial service tech, the commercial units are not set up to be tech...
  36. Replies
    204
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    33,378

    MagLite LED 3Cell D 336meters, 131 lumens, ...

    MagLite LED 3Cell D
    336meters, 131 lumens,

    Mini MagLite 2Cell AA
    141 meters, 77 lumens
  37. Replies
    14
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    1,622

    No money in residential installs these days,...

    No money in residential installs these days, especially when you talk travel time. Everyone doing sloppy work trying to get in get out, and run job site in bulk. It's just busy work now, no profit....
  38. Replies
    11
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    2,480

    This is the Ask Our Pro's forum. In order to post...

    This is the Ask Our Pro's forum. In order to post a response here, you must have verified qualifications and have been approved by the AOP Committee. You may ask a question by starting a new thread....
  39. Replies
    623
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    114,899

    Worst one I been on was when I was doing...

    Worst one I been on was when I was doing residential service, a guy called said heat wasn't working right. I drove 60 miles and when walked in house the tstat read 88 in house, I asked the problem...
  40. Thread: RV HVAC

    by Cmstech
    Replies
    28
    Views
    3,863

    I was just thinking about those cheap one that...

    I was just thinking about those cheap one that pierce as you screw them down. I've seen those on window units and refrigerators.
  41. Replies
    18
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    1,441

    Your motor should be grounded through the unit,...

    Your motor should be grounded through the unit, assuming your disconnect is correctly installed. I recommend to all my trainees that it still be hooked up though, one for a secondary safety, and two...
  42. Thread: Wifi stats

    by Cmstech
    Replies
    12
    Views
    1,990

    From a technician stand point I like the...

    From a technician stand point I like the Honeywell TH8320WF1029. It's wifi, touchscreen, and 7 day. Little high priced but they seem to do great with any system or smartphone
    And you can lock the...
  43. Replies
    0
    Views
    485

    A-B Powerflex 4

    I'm putting a variable frequency motor control box (Allen Bradley Powerflex4) on an exhaust fan tomorrow. There is not much to them as far as troubleshooting, but how is the programming? Will this...
  44. Replies
    4
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    1,530

    Looks nice

    Looks nice
  45. Thread: RV HVAC

    by Cmstech
    Replies
    28
    Views
    3,863

    Treat your customer right, get brazable service...

    Treat your customer right, get brazable service valve stems, not the piercing style they leak over time. Change the breaker out for safety
  46. Replies
    20
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    2,193

    Not recommended, you will heat up room and system...

    Not recommended, you will heat up room and system will lose effientiency and over work itself. Not to mention you void warranty from installing against manufactures recommendations
  47. Replies
    43
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    3,985

    This is the Ask Our Pro's forum. In order to post...

    This is the Ask Our Pro's forum. In order to post a response here, you must have verified qualifications and have been approved by the AOP Committee. You may ask a question by starting a new thread....
  48. Replies
    32
    Views
    5,344

    I'm still rocking the Yellow Jacket manifold and...

    I'm still rocking the Yellow Jacket manifold and the fluke116 with the pipe clamp type k thermocouple... Old school
  49. Replies
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    6,448

    Greenhorns are funny

    Greenhorns are funny
  50. Replies
    10
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    2,657

    Bid a split system

    Bid a split system
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