Search:

Type: Posts; User: moe-air

Page 1 of 2 1 2

Search: Search took 0.00 seconds.

  1. Replies
    3
    Views
    733

    Went back to work for the MAN, doing commercial...

    Went back to work for the MAN, doing commercial where I started out at. Resi. on the side.
  2. bgdave1, ...

    bgdave1, If you are still looking for a professional, E-mail is in my profile.
  3. Replies
    24
    Views
    4,911

    looks like gas pipe in way of service panel, oh...

    looks like gas pipe in way of service panel, oh well the disconnect is even worse.
  4. Replies
    68
    Views
    3,579

    54530 836 CES DMAFB 1990- 1992

    54530 836 CES DMAFB 1990- 1992
  5. Replies
    28
    Views
    7,356

    Yes, e-mail me.

    Yes, e-mail me.
  6. Thread: Belimo Motors

    by moe-air
    Replies
    15
    Views
    2,743

    The LM24 did fail due to metal shavings stuck...

    The LM24 did fail due to metal shavings stuck between the rotor and the stator. The battery thing only works sometimes to clear this problem. I had 7 ALC vav controllers 25' off of the floor. The...
  7. Replies
    8
    Views
    1,262

    do you mean z540v or looking for T- cards modules?

    do you mean z540v or looking for T- cards modules?
  8. Replies
    4
    Views
    2,031

    in short, when your facility kw meter reaches a...

    in short, when your facility kw meter reaches a certain point and your zones will increase their setpoints which will reduce the load.
  9. Thread: Help

    by moe-air
    Replies
    6
    Views
    839

    try putting a air temp sensor in the return...

    try putting a air temp sensor in the return section, set at a reasonable temp to keep coils from freezing. wire it in to cut out compressor only not blower. you will still be moving air just not as...
  10. Replies
    13
    Views
    2,253

    try switching the #1 cpcs board with another...

    try switching the #1 cpcs board with another known good board. See if problem follows. or try what jrbeny suggest.
  11. Replies
    12
    Views
    1,222

    need any z540v? Have about 10.

    need any z540v? Have about 10.
  12. Replies
    4
    Views
    645

    did tech do a leak check, and repair leak or just...

    did tech do a leak check, and repair leak or just charged? if only charged then you possibly have a leak
  13. Replies
    6
    Views
    675

    how about weighing in the charge? if data is...

    how about weighing in the charge? if data is available
  14. Replies
    38
    Views
    2,402

    raidernation you need to call out a/c company...

    raidernation
    you need to call out a/c company who installed your new unit.
  15. Replies
    3
    Views
    942

    thanks allen ...

    thanks allen
    actuator is set up for direct acting, humidity sensor fine as i compared with its sister unit. also sister unit has same parameter...
  16. Replies
    3
    Views
    942

    model sxhg....... economizer open 100% outside...

    model sxhg....... economizer open 100% outside air is 99.6*, enthalpy 25 btu/hr. setpoint is to enable econo when enthlpy below 19 btu/hr. getting 10vdc at module plug. temporarily disconnected to...
  17. Replies
    44
    Views
    3,958

    title 24 california energy efficiency standards...

    title 24 california energy efficiency standards code.
    appendix k.

    section 3.2.2 design hvac system. loads and cfm calculation states " acca manual j load calculation or equivalent required". ...
  18. Replies
    56
    Views
    4,659

    need pressure readings, could be non condensibles...

    need pressure readings, could be non condensibles or compressor not to sure without more info.
    wow a 775 sqft house in Houston with properly sized 2 tons of cooling. some in here would think thats...
  19. Replies
    23
    Views
    2,051

    bald loonie. not an installer or engineer.i'm in...

    bald loonie. not an installer or engineer.i'm in service. thousands of homes like this in cali. are you saying these home installers don't use manual j or using cheap insulation material.no...
  20. Replies
    23
    Views
    2,051

    to operator. in cali, typical 2800 sqft...

    to operator.
    in cali, typical 2800 sqft tract home has 4 or more tons. my home is 2917 with a 5 ton bryant. previous home was 1711 with a 4 ton trane. newer homes have 2 units for each floor....
  21. Replies
    23
    Views
    2,051

    3.5 tons for 2800 sqft is undersized. do you have...

    3.5 tons for 2800 sqft is undersized. do you have 2 units or 1.
  22. Replies
    17
    Views
    1,889

    to all. why mis-match ahu with a 10 yr old...

    to all. why mis-match ahu with a 10 yr old condenser? the crankcase heater is the first to come and go, what's next?
  23. Replies
    5
    Views
    1,367

    possibly blown control board fuse, fried...

    possibly blown control board fuse, fried transformer or fan center.
  24. Replies
    17
    Views
    1,889

    multiple things come to mind. need to call hvac...

    multiple things come to mind. need to call hvac co. back out. you should have replaced entire system if 10 years old.
  25. Thread: Frastrated

    by moe-air
    Replies
    26
    Views
    2,170

    if TXV use SC if piston type use SH. use...

    if TXV use SC if piston type use SH. use manufacturers specs for correct numbers. does HO have unit serviced yearly. freon is lost every time gauges put on although minimal. could explain for leak...
  26. Replies
    28
    Views
    7,356

    ALC working fine. Just upgrading to latest and...

    ALC working fine. Just upgrading to latest and greatest.
  27. Replies
    2
    Views
    1,373

    tech could ohm out coil on contactor, check for...

    tech could ohm out coil on contactor, check for contactor continuity when closed. afterwards tech could ohm/meg out compressor and fan.
  28. Replies
    5
    Views
    759

    overheating.

    overheating.
  29. Replies
    7
    Views
    1,288

    possibly dirty filter/coil, low charge, bad...

    possibly dirty filter/coil, low charge, bad blower, return air blockage.
  30. Replies
    4
    Views
    1,691

    non- condensibles. Recover, Evacuate, Recharge....

    non- condensibles. Recover, Evacuate, Recharge. System check
  31. Replies
    11
    Views
    1,267

    Get 2nd or 3rd opinions from other hvac...

    Get 2nd or 3rd opinions from other hvac contractor. Your current contractor using you as BANK.
  32. Replies
    5
    Views
    1,486

    Check your safeties for shorts or ground. I would...

    Check your safeties for shorts or ground. I would start with the heating section first (rollout or limit switch). Just a thought.
  33. Replies
    8
    Views
    1,334

    Replaced LWT and EWT thermistors problem solved.

    Replaced LWT and EWT thermistors problem solved.
  34. lol. Just did a job where the DIY switched stats....

    lol. Just did a job where the DIY switched stats. H.O. also had no filter in return and condensing swallowed in backyard weeds. Made some good change
  35. I use 18 - 22 degrees as a evap coil split.

    I use 18 - 22 degrees as a evap coil split.
  36. Sound like a/c co. didn't do proper startup after...

    Sound like a/c co. didn't do proper startup after installing. Did they even check ductwork. New law here in CA (around the corner) ductwork must be checked after new install, but of course there is...
  37. Replies
    8
    Views
    1,334

    Did that check. Thermistor o.k. Used voltage drop...

    Did that check. Thermistor o.k. Used voltage drop method.
  38. Replies
    8
    Views
    1,334

    Keep on getting code 61. Code is low cooler flow....

    Keep on getting code 61. Code is low cooler flow. Thermistors and pumps work fine. Pump comes on , chiller valve opens and chiller starts after time delay. good water flow ,nothing has recently...
  39. Replies
    7
    Views
    2,537

    System tripped off on one of the safeties. What...

    System tripped off on one of the safeties. What you did was a reset. It will happen again. Call tech to find and resolve problem.
  40. Replies
    4
    Views
    1,845

    Had same problem on customers a/c. Also had high...

    Had same problem on customers a/c. Also had high head pressure. Non- condensibles was the problem. have tech recover, install new drier, evacuate and re-charge. Hopefully solves problem.
  41. Replies
    14
    Views
    2,176

    how about low charge?

    how about low charge?
  42. Thread: Microtech code

    by moe-air
    Replies
    12
    Views
    1,106

    Try 5544 or 4455

    Try 5544 or 4455
  43. Thread: Temp Sensor

    by moe-air
    Replies
    5
    Views
    1,070

    Don't know much about MEC, but ALC has bird...

    Don't know much about MEC, but ALC has bird jumpers on the inputs for 4-20ma, 0-5vdc, and thermistor/dry contact. Jumper needs to set in right position. Is there a needed gain value on your...
  44. Thread: Trane RTU

    by moe-air
    Replies
    2
    Views
    836

    On our site we use chicken wire and hook type...

    On our site we use chicken wire and hook type fasteners. Mount fasteners in a way so you can take off chicken wire with ease in need of servicing. You can actually wash the coils with chicken wire...
  45. Thread: 100 lbs

    by moe-air
    Replies
    23
    Views
    2,322

    bad valves maybe, pumpdown and see if valve...

    bad valves maybe, pumpdown and see if valve holds. check your gauge caliberation.
  46. Replies
    7
    Views
    2,383

    Agree with shophound, find someone reliable....

    Agree with shophound, find someone reliable. Recommend replacing run cap and motor before you lose your compressor.
  47. Replies
    16
    Views
    4,246

    Sounds like air in the system/non-condensibles....

    Sounds like air in the system/non-condensibles. Can't be to sure though without more info. Evac. would be good but check with your warranty before you open up the system.
  48. Replies
    28
    Views
    7,356

    All z540v modules are used and as is. Prior to...

    All z540v modules are used and as is. Prior to ddc retrofit modules were working fine. How does $50 per module sound? How many are you looking for?
  49. Replies
    5
    Views
    1,365

    We have ALC at our site and currently use...

    We have ALC at our site and currently use WEBCTRL, so far so good. 5 of our bldg's. are wireless access using d-link and the others dsl/blackbox/ethernet. Prior to the technology we used modems to...
  50. Thread: MC-20 GARD-PAK

    by moe-air
    Replies
    15
    Views
    5,856

    use a resistor and wire in-line with c terminal...

    use a resistor and wire in-line with c terminal connected to terminals s1, s2, and s3
Results 1 to 50 of 55
Page 1 of 2 1 2
Comfortech Show Promo Image

Related Forums

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