Search:

Type: Posts; User: standardgreg

Search: Search took 0.00 seconds.

  1. Replies
    3
    Views
    1,637

    propane combustion analysis

    Can anyone tell me what "normal" combustion analysis readings would be for propane. Literature I have is for NG and fuel oil. Propane not as common around here.
    Thanks
  2. Replies
    12
    Views
    5,743

    Carrier 30 GTN

    If you go to commercial.carrier.com the Installation, Operation, and Service Manual is able to be downloaded. Go to "literature", which will direct you to a screen where you can enter the model...
  3. Replies
    12
    Views
    5,743

    trane vvt conversion

    the easiest thing to do would be to get a Trane zone sensor module from a Trane distributor. The numbered terminals in the zsm (stat) match the numbers in the unit.
  4. Replies
    12
    Views
    5,743

    vvt to constant volume conversion

    If the Comfort Manager is dead and you want to use a thermostat;
    you would need to use balancing dampers for the zones, drive the zone dampers open or remove and balance the system airflow. Also...
  5. Replies
    5
    Views
    4,434

    if you have or can get a sporlan product cd,...

    if you have or can get a sporlan product cd, there is a product selector with a piping system. If the piping is clicked on, you get a window wanting system info, including refrigerant, pipe length,...
  6. Replies
    1
    Views
    387

    can anyone advise or give resources for...

    can anyone advise or give resources for greenhouse ventilation/temperature/humidity control?
  7. Replies
    16
    Views
    1,393

    Greetings Is there a reliable formula for...

    Greetings Is there a reliable formula for self-employment success. I'm about ready to go it alone; preferably process/commercial refrig only. Any input from small shop or loners welcome. I've...
  8. Replies
    7
    Views
    1,079

    the barometric -necessary. go to beckettcorp.com...

    the barometric -necessary. go to beckettcorp.com product lit is available by using "prof" and "info":user name and pswd. cf500 pdf shows firebox pressure at .04
  9. Replies
    156
    Views
    17,473

    UA all the way LU94 canton oh

    UA all the way LU94 canton oh
  10. Replies
    23
    Views
    2,651

    try http://www.fireye.com for...

    try http://www.fireye.com for literature/troubleshooting info. I had this problem last winter, changed the scanner and the problem was gone. Fireye tech support informed me that the scanner tube is...
  11. Replies
    23
    Views
    2,651

    be careful scanner voltage is very high (like 500...

    be careful scanner voltage is very high (like 500 volts) if scanner looks like it is glowing it is probably bad. when scanner sees uv or infrared voltage is conducted across electrodes.
  12. Replies
    9
    Views
    1,019

    gas valve is made by siemens and works at...

    gas valve is made by siemens and works at negative pressure. top plate unscrews to reveal adjustment screws for high and low fire(bias). Trane only gives combustion requirements in their manual,...
  13. Replies
    1
    Views
    611

    does anyone have an internal wiring diagram for...

    does anyone have an internal wiring diagram for 33zct55,56, or 57. having slight disagreement with management whether or not override button is programmable. ACI's site does not show internal...
  14. Replies
    0
    Views
    788

    greetings fellow trane lovers??!! an '89 vintage...

    greetings fellow trane lovers??!! an '89 vintage rtha255 I take care has this past few weeks been making a strange surging/growling noise. I checked dis supht per IOM, found it high so I added...
  15. Replies
    7
    Views
    1,191

    for dimensions, try contacting a rebuilder like...

    for dimensions, try contacting a rebuilder like national compressor, or uri
  16. Replies
    8
    Views
    1,718

    got e-mail add or fax? I could send you pdf's for...

    got e-mail add or fax? I could send you pdf's for 3-12 ton and 12-25 ton carrier info from hvacpartners.com
  17. Replies
    4
    Views
    806

    what advantages are there for working "factory...

    what advantages are there for working "factory service" (york,trane,carrier,mcquay?) vs. for a mech contractor? I'm thinking about making a move but have doubts over the issue. (presently working...
  18. Replies
    1
    Views
    848

    What is an evaporator coil (ac) or indoor coil...

    What is an evaporator coil (ac) or indoor coil (hp) rated for pressure with r410a? our training center is having a safety class, and we have conflicting info. tks
  19. depending on actuator brand, honeywell and...

    depending on actuator brand, honeywell and johnson make signal adapters
  20. Replies
    6
    Views
    1,282

    I teach at our local jatc school, and was going...

    I teach at our local jatc school, and was going to use it for teaching/troubleshooting. a little expensive, so I need to consider options
  21. Replies
    6
    Views
    1,282

    Has anyone used Johnson's Commissioning tool? Is...

    Has anyone used Johnson's Commissioning tool? Is it worth buying? If so, what would I expect to pay? I have a Kele 0-10vdc, 4-20 ma tool. Thanks for any info.
  22. Replies
    10
    Views
    1,508

    I work for a contractor that installs and...

    I work for a contractor that installs and services quite a few, and went to factory school. Set-up, start-up very important. 50% excess air very important, and I have seen and replaced a bad burner...
  23. Replies
    12
    Views
    5,743

    we use a program called PROCOMM ; in this program...

    we use a program called PROCOMM ; in this program "alt P" allows for change of baud rate, comm port, etc. in my experience hyperterminal also works as well
  24. Replies
    6
    Views
    1,503

    at a previous contractor I worked for, 3 were...

    at a previous contractor I worked for, 3 were installed at a new manufacturing building. YORK did schooling for us at our shop, certified us for start-ups, service, etc. The 3 there were constant...
  25. Replies
    16
    Views
    1,580

    sparks, i'm an instructor @ our local and...

    sparks, i'm an instructor @ our local and presently teaching burners. Can I get this Powerburner book? see profile for info
  26. Replies
    20
    Views
    2,729

    Very pertinent subject- I instruct at our hall...

    Very pertinent subject- I instruct at our hall LU94, and am teaching combustion at this time. Does anyone know of a site to get general info or a mufacturer's site that describes pulse combustion...
  27. Replies
    5
    Views
    1,016

    the hvac test has the formulas on the 1st page

    the hvac test has the formulas on the 1st page
  28. Replies
    4
    Views
    2,124

    Cleveland 120 "A" rate~$29: Akron 219 journeyman...

    Cleveland 120 "A" rate~$29: Akron 219 journeyman $27, they also have Mech Equip Service rate but I dont know it, Canton-94 journeyman rate $25, MES rate $20
  29. Replies
    4
    Views
    2,124

    be glad to!! GO UNION!!! Local 120...

    be glad to!! GO UNION!!! Local 120 piefitters-cleveland, Local 219 Akron, Local 94 Canton
  30. only time I ever did it: freezer with...

    only time I ever did it: freezer with AZ-50(r507) had to use 404a. Chemically imbalanced by 2% + 404a is 1% 134a. My boss didnt like it, but it worked.
Results 1 to 30 of 30
Comfortech Show Promo Image

Related Forums

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