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  1. Thread: Tank Sprayer

    by markmast
    Replies
    2
    Views
    375

    Also how does the sprayer work? air compressor?...

    Also how does the sprayer work? air compressor? hand pump? sorry guys no one at any company ive worked at has ever had one
  2. Thread: Tank Sprayer

    by markmast
    Replies
    2
    Views
    375

    Tank Sprayer

    To you guys that use tank sprayers, this might sound like a stupid question but what do you rinse the coil with afterwords, ive never used one, i do maybe 10-12 commercial maintenance jobs myself and...
  3. Replies
    35
    Views
    3,664

    Can you email me prices and pics on the recovery...

    Can you email me prices and pics on the recovery machine, turbo torch and vacuum gauge? Thanks
  4. Thread: New C of Q

    by markmast
    Replies
    18
    Views
    4,307

    Ya randys a good teacher!

    Ya randys a good teacher!
  5. Thread: New C of Q

    by markmast
    Replies
    18
    Views
    4,307

    I'm in advanced at mohawk right now, I'm going to...

    I'm in advanced at mohawk right now, I'm going to write in january hopefully, I heard there was 4 different tests and some were harder then others I can't wait to get it over with tho
  6. Replies
    12
    Views
    6,609

    carrier heat pump water source

    Working on a carrier M# 50rhr036scc51130
    S# 3805v19316
    Keeps locking out, can't figure out why water into the unit 80f water out 125f
    Suction pressure 75 psig
    Discharge,before entering condenser...
  7. Replies
    11
    Views
    913

    so that is a seperate device? do u have a...

    so that is a seperate device? do u have a website?
    thanks
  8. Replies
    11
    Views
    913

    all in one hand held tool

    Does anyone have an all in one hvac tool that you can input info to determine superheat, p/t charts, ductulator and heat load all in one? and how do you like it?

    would you prefer a hand held...
  9. Replies
    12
    Views
    1,071

    So it will be R408A in the system will it not?

    So it will be R408A in the system will it not?
  10. Replies
    12
    Views
    1,071

    Its on for about 10 minutes before it has a heavy...

    Its on for about 10 minutes before it has a heavy frost on it back to the compressor and eventually starts to ice up
  11. Replies
    12
    Views
    1,071

    Ice maker problem

    I got a call today for a Hoshizaki Ice Maker, model KM-250BAC, i dont really work on ice makers that often so any help would be appreciated, It has a Copeland Compressor M# RSU4-0050-1AA-908
    S#...
  12. Replies
    4
    Views
    453

    Lmao!!! sorry i didnt even know they gave me the...

    Lmao!!! sorry i didnt even know they gave me the professional member!
  13. Replies
    4
    Views
    453

    well can i get an answer because they never gave...

    well can i get an answer because they never gave me a proffesional membership, i have probably 50 posts and you only need 10 for proffessional and i have my g2 and has been to school twice for...
  14. Replies
    4
    Views
    453

    Boiler Maintenance

    confused:What is the best things to do for a residential boiler maintenance, i usually, clean the burners check gas pressure, check expansion tank pressure, bleed air at bleeders if needed, amp pump,...
  15. Replies
    5
    Views
    1,596

    your right i shouldnt think the same scenario...

    your right i shouldnt think the same scenario before i get there, but ive always been meaing to ask about these high pressure switches on those units, because i have reset them before and never gone...
  16. Replies
    5
    Views
    1,596

    Reset button on old Lennox

    On the old lennox condensers, i dont have the numbers with me but those old grey ones, they have a red reset button for high pressure underneath the electrical access panel or above the gauge ports,...
  17. Thread: Trane chiller

    by markmast
    Replies
    1
    Views
    478

    Trane chiller

    I dont work on chillers that often but i am required to change a compressor on a trane chiller for a customer of ours, what steps are required that would differ from a commercial rooftop package...
  18. Thread: York rooftop

    by markmast
    Replies
    1
    Views
    421

    York rooftop

    I was working on a yorkrooftop unit last week and the breaker in the disconnect (100amp 3 phase commander breaker) was no good, i had proper voltage at line side and missing 1 leg of 3 phase on load...
  19. Replies
    1
    Views
    1,909

    Bradford White HWT Problems

    I was working on a bradford white hot water tank today the M# is MITW40L6BN15
    S#BF6365642

    Tank would ignite and run for 10 to 20 sec and flame would shut off, it would do this over and over...
  20. Thread: Air balancing

    by markmast
    Replies
    26
    Views
    2,950

    Air balancing

    My company always hires out air balancing on commercial jobs, is there any course or any good way to learn air balancing? i know you need some expensive tools for it but i dont know anything about...
  21. Replies
    6
    Views
    507

    Noma t-stat junk

    Has anyone ran into this problem? i have seen it a few times... people with 30 or 40 year old olsen or clare heckla low boys changing from a mechanical t-stat to a cheapo digital programmable...
  22. Replies
    5
    Views
    1,216

    zebra analyzer

    what is the best zebra analyzer?
  23. Replies
    15
    Views
    1,548

    whats a zebra analyzer and how does it work?

    whats a zebra analyzer and how does it work?
  24. Replies
    15
    Views
    1,548

    DC Motor Question

    Went to a call in the middle of the night yesterday, i had a DC variable speed motor not running, i dont have much experience with these types of systems, 2 years in the trade and my company mostly...
  25. Replies
    16
    Views
    1,900

    Heres the situation now, my boss came with me to...

    Heres the situation now, my boss came with me to the site, we closed the economizer fully and the door was till opening therefore the blower is the problem, supplying too much air then its taking...
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