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Type: Posts; User: schomaker9253

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  1. Replies
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    I would suggest running insulated hard pipe off...

    I would suggest running insulated hard pipe off the trunk line with minimal flex to the diffusers.
  2. Replies
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    16,688

    Hey hutch if your tech was qualified you would...

    Hey hutch if your tech was qualified you would not be here seeking information he would. If not here then with Leibert tech support. Like I said Qualified is the key here
  3. Replies
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    16,688

    This is not a site for do it yourselfers. Hire a...

    This is not a site for do it yourselfers. Hire a qualified technician to troubleshoot your problems, It will be cheaper in the longrun. We make a living doing this work, I will never understand...
  4. Replies
    14
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    2,403

    Looks like fine craftmanship to me. Is that...

    Looks like fine craftmanship to me. Is that Union Labor responsible for that?
  5. Replies
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    485

    What we generally do is wire a pilot relay to...

    What we generally do is wire a pilot relay to control the motor starter. The pilot relay is fired by an end switch in the damper motor, ensuring the damper is open before the motor starts. Very...
  6. Replies
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    1,277

    I know for certain that if you get a Union...

    I know for certain that if you get a Union insulator to wrap that duct, you won't have the problem any more.
  7. Replies
    24
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    2,069

    45 % silver with white water soluble paste flux...

    45 % silver with white water soluble paste flux has always worked for me. Overheating the valve was always my concern. I ALWAYS REMOVE THE POWER HEAD before attempting to heat the valve/distributor...
  8. This sounds to me like the thermostat/wall box(as...

    This sounds to me like the thermostat/wall box(as referred to by leibert) is the problem. If the unit is ten years old, that is a 12 wire wall box which leibert does not make any more, and the...
  9. Replies
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    2,242

    Trying to save a buck. You probably should hire...

    Trying to save a buck. You probably should hire a qualified technician to do this type of work. It could get very costly. This is not a place for do it yourselfers. Do you know what caused the...
  10. Replies
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    1,046

    Are you mechanic or an apprentice? Just curious.

    Are you mechanic or an apprentice? Just curious.
  11. take a look at the piping configuration at the...

    take a look at the piping configuration at the evap. 1st, are the liquid lines both at the same elevation. 2nd if not, make sure that the take-off off the liquid line hits the top coil first and not...
  12. Check to see if both txv's are feeding the coil. ...

    Check to see if both txv's are feeding the coil. I had a job recently, that because of the piping configuration the top coil was starving for liquid. It should be piped where the tee off the...
  13. Replies
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    2,978

    clgman, Non recycle pumpdown? What is...

    clgman,
    Non recycle pumpdown? What is that. Have never heard of it.
    I put a mechanical unloader on the new pump, but with the txv on the first stage coil starving, and a 95* load in...
  14. Replies
    8
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    2,978

    clgman, Non recycle pumpdown? What is...

    clgman,
    Non recycle pumpdown? What is that. Have never heard of it.
    I put a mechanical unloader on the new pump, but with the txv on the first stage coil starving, and a 95* load in...
  15. Replies
    8
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    2,978

    obsolete carrier split

    Is here anyone out there that knows where I can find schematics for a
    38ad240620. This is an old split that the Carrier web site dosen't recognize. Downtown Chicago high rise elevator machine room...
  16. Replies
    4
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    1,137

    Just installed a M'cquay 3.5 ton heat pump,...

    Just installed a M'cquay 3.5 ton heat pump, Thursday. Actually used the existing piping from the old unit which was a old 1.5 ton unit. Supply was 1/2return was 3/8" copper.The work was done in a...
  17. Replies
    9
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    1,234

    We have done plenty of water source heat pumps...

    We have done plenty of water source heat pumps downtown Chicago serving small computer rooms. We have never used chilled water to cool the condenser. I am certain that on M'Quay heat pumps, there is...
  18. Replies
    4
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    786

    thanks , that is what I was thinking,but I wasn't...

    thanks , that is what I was thinking,but I wasn't sure
  19. Replies
    4
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    778

    testing freeze point of glocol

    x
  20. Replies
    4
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    786

    propylene glycol Questions

    Pretty simple question can propylene be tested for freezing point with the same hygrometer that you test ethylene glycol in an automobile.
  21. Replies
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    460

    What happened to cool quiz

    ????????????????????????????????????????????????????????????????????????????
  22. Replies
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    5,309

    What's up with the copper gas line and pressure...

    What's up with the copper gas line and pressure regulator. Don't know the codes by you but that wouldn't fly out here in chicago. I wouldn't do it even if it would.
    Otherwise the tin looks pretty...
  23. Replies
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    1,590

    munchkin Install

    http://img172.imageshack.us/img172/1620/picture001ir5.jpg

    This is my first residential boiler install. Pretty awsome little boilers Let me know what you think. There is always room for...
  24. That is the point at which the tank is now...

    That is the point at which the tank is now installed. The Pump is before the spirovent, putting the expansion tank on the discharge of the pump. Is this an appropriate location for the tank or...
  25. This is a residential job, 100,000 btu boiler and...

    This is a residential job, 100,000 btu boiler and 7 radiant heat loops. The question that I have is what is the proper location of the extrol tank in relation to the system pump, and why. I have...
  26. Replies
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    778

    Went back to the job today, and I had a funny...

    Went back to the job today, and I had a funny feeling that things wern't right under those heads. Well I removed the suction cut off head, and found one piston had spun in the cylinder. Me thinks a...
  27. Replies
    6
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    778

    Long story here but I will be as concise as...

    Long story here but I will be as concise as possible. 20 Ton built up split, used to serve a 4500sqf restaurant. The space is in a Mall with little external load. The restaurant has gone out of...
  28. Replies
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    I would say that your restriction will be found...

    I would say that your restriction will be found in the "spun" strainer at the outlet of the condenser. Tell that "Top Tech" he needs to take out the strainer and replace the drier. I can almost...
  29. Replies
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    That job came out beautiful. How did the...

    That job came out beautiful. How did the start-up go? I come across some work at times, where I didn't know whether the contractors were a bunch of apprentices getting together for a class project....
  30. Replies
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    1,307

    check the heat anticipator on your thermostat

    check the heat anticipator on your thermostat
  31. Replies
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    2,153

    If the flow switch is used to shut the unit down...

    If the flow switch is used to shut the unit down on loss of flow I don't see why that wouldn't solve the problem. There should be a flow interlock on condenser water any way. How often do the pumps...
  32. There is nothing General about designing any A/C...

    There is nothing General about designing any A/C heating system, no matter the application. A load calculation must be done and the equiptment then sized accordingly. All apps. have different loads....
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    Get a qualified Installer to do the job

    Get a qualified Installer to do the job
  34. Replies
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    743

    I have cut sheets on all the maxitrol selectra...

    I have cut sheets on all the maxitrol selectra components. Send me your E-Mail address and I'll send them to you
  35. Replies
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    king valve and suction service valve

    king valve and suction service valve
  36. I would say you have non condensibles in the...

    I would say you have non condensibles in the system. Pull the charge evacuate to 500 microns and charge with nameplate charge.
  37. Replies
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    I have had this same issue many times. What has...

    I have had this same issue many times. What has worked was getting up on the roof and taking actual measurements and configuraation of existing curb. Outside dimensions, and supply / return...
  38. Replies
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    6,831

    Just a few questions| What was the reason for...

    Just a few questions|
    What was the reason for the call
    What is your subcooling at the condenser?
    What is your superheat, not for charging purposes, for diagnostics because it is a TXV.
    What is...
  39. Replies
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    2,348

    There are many options you could have added to...

    There are many options you could have added to your unit. check with carrier to find out the details
  40. Replies
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    1,179

    check with welding supply house. They have...

    check with welding supply house. They have needle files made specifically for that,
  41. Replies
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    UH how bout Carrier dude

    UH how bout Carrier dude
  42. Replies
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    1,230

    I don't understand how a compressor would control...

    I don't understand how a compressor would control superheat. IMHO I would use a separate valve for each coil.
  43. Replies
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    Bring those MADE IN CHINA fittings back to the...

    Bring those MADE IN CHINA fittings back to the supply house, and get some AMERICAN made fittings
  44. Replies
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    contactors are brand new dude

    contactors are brand new dude
  45. Replies
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    1,152

    Thanx for your input guys, I haven't been...

    Thanx for your input guys,
    I haven't been called back to this hell hole, today anyway. I think Freonrick is onto something. I never thought of that senario. Makes a lot of sense to me. I will...
  46. Replies
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    1,152

    Here is a head scratcher! 26 Ton multi...

    Here is a head scratcher!
    26 Ton multi zone(8) hot deck/cold deck Rooftop. Vintage 1971. Should have been taken to the great scrap yard in the sky long ago.
    Here is the problem. Oil...
  47. Replies
    5
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    Oil traps should be installed every 20 feet of...

    Oil traps should be installed every 20 feet of rise on the suction line, when the condenser is installed above the evap. When the compressor cycles, any oil on the walls of the suction line will...
  48. Replies
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    Oil traps should be installed every 20 feet of...

    Oil traps should be installed every 20 feet of rise on the suction line, when the condenser is installed above the evap,
  49. dude why don't you pay an insulator to get the...

    dude why don't you pay an insulator to get the job done. He will do the job right and You will have someone to complain to if it dosen't
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