Search:

Type: Posts; User: elamechanical

Search: Search took 0.01 seconds.

  1. Replies
    2
    Views
    490

    Drain Pan Refinish

    The building I am in is currently replacing the DX cooling for its central plant. They are very close to having the evaporator coils removed from both of the air handlers. I figure its a good time to...
  2. Replies
    65
    Views
    4,198

    Definitely going to add porright before and after...

    Definitely going to add porright before and after indoor coil.also, before and after drier. may just swap out LL service valve, just for the fact thats where I saw ice beginning to form in the...
  3. Replies
    65
    Views
    4,198

    I did. That's the puzzling thing. In cooling, I...

    I did. That's the puzzling thing. In cooling, I have good pressures, good subcooling 12, good indoor temp differential. In heating, 240 psi on the 3/4 line, pulling down to 50 psi on 3/8 line. I've...
  4. Replies
    65
    Views
    4,198

    Cool thx. That confirms that that reading is...

    Cool thx. That confirms that that reading is after the piston. I did take a reading on the true suction port and it was the same,dropping down to around 50 psi, then the. comprssor getting noisy and...
  5. Replies
    65
    Views
    4,198

    Thx again for everyones time. Ill be sure to...

    Thx again for everyones time. Ill be sure to update. Feel free to throw 2 cents in anytime. Thx
  6. Replies
    65
    Views
    4,198

    Interested in other thoughts myself. Ron...

    Interested in other thoughts myself. Ron appreciate your interes and input. I will definitely post my findings. I think were thinking along the same lines. My next move is to cut a port after the...
  7. Replies
    65
    Views
    4,198

    Continuing to brainstorm. If I'm reading this...

    Continuing to brainstorm. If I'm reading this drop at my 3/8 line valve port, this would eliminate my outdoor coilI which is my evaporator in heating mode) from having a restriction because the port...
  8. Replies
    65
    Views
    4,198

    I did check 3/4 line in heating and pressure...

    I did check 3/4 line in heating and pressure stayed steady at 240 psi. Also, that's why I'm puzzled too. I would say that restriction is at that port too,, according to my findings. Again, I coudl...
  9. Replies
    65
    Views
    4,198

    I did have high side gauge on 3/4 line and low...

    I did have high side gauge on 3/4 line and low gauge on 3/8. Same deal, with it going from equalized pressure to large pressure drop across coil, 240 on 3/4 line agin dropping down to 50 psi on 3/8...
  10. Replies
    65
    Views
    4,198

    I would love to live with this pressure drop...

    I would love to live with this pressure drop being normal in my case, however the noise the compressor makes and then it trips out, I guess on internal overload. I haven't checked screen though to be...
  11. Replies
    65
    Views
    4,198

    I was thinking gauge port was reading after...

    I was thinking gauge port was reading after piston, because piston is installed before flare union. Wasn't. Positve though. Either way it seemed problem was at one of the metering devices. I believed...
  12. Replies
    65
    Views
    4,198

    I'm sorry, I did take subcooling reading, not...

    I'm sorry, I did take subcooling reading, not superheat. And that was 12. Carrier did say that both their carrier and payne ahu come with txvs meant for heat pumps. so I know its the proper one. The...
  13. Replies
    65
    Views
    4,198

    Here's where I'm at. Returned today, with a...

    Here's where I'm at. Returned today, with a little more time to diagnose but again came up empty. So more suggestions or help is appreciated. replaced the expansion valve, replaced filter drier, and...
  14. Replies
    65
    Views
    4,198

    No, no, its all good. I appreciate the interest,...

    No, no, its all good. I appreciate the interest, and the help. Thx.
  15. Replies
    65
    Views
    4,198

    I know, I didn't have the gauges hooked up...

    I know, I didn't have the gauges hooked up properly. I just finished pressure testing and evacuating the system with them hooked up this way, and left them when I started the system. My concern was...
  16. Replies
    65
    Views
    4,198

    Definitely will follow up after to talking to...

    Definitely will follow up after to talking to carrier Monday. Sounds like I must have the wrong one. Or faulty. Id like to see it be the wrong one, instead of a new faulty one. Thx again
  17. Replies
    65
    Views
    4,198

    Thx for clarifying, I had to reread the first...

    Thx for clarifying, I had to reread the first reply a couple of times. So it looks like I have to definetly check into that indoor txv.
  18. Replies
    65
    Views
    4,198

    I do know that both units are manufactured by...

    I do know that both units are manufactured by payne and are 1.5tons. So I guess they are matched properly. Also, any metering devices that come factory are still present. It kills me to have to wait...
  19. Replies
    65
    Views
    4,198

    You are correct in saying the only thing I am...

    You are correct in saying the only thing I am measuring is the indoor coil. The indoor metering device is a txv valve. I'm not sure, to be honest, if it a heatpump txv valve. It wouldn't need to be...
  20. Replies
    65
    Views
    4,198

    My high side gauge was on the 3/8 line. Low was...

    My high side gauge was on the 3/8 line. Low was on the 3/4. I was getting a reading +250 into the retard range on the 3/4. On the 3/8 it was immediately pulling down, around 50 psi I would kill the...
  21. Replies
    65
    Views
    4,198

    Right on, there is a flare connection on the...

    Right on, there is a flare connection on the liquid line service valve. This is where I had my high side gauge hooked up, where I was reading it drop down to 50 psi. Ill try pumping the refrigerant...
  22. Replies
    65
    Views
    4,198

    The ah and condenser are brand new. Not sureabout...

    The ah and condenser are brand new. Not sureabout liquid valve having a piston. Its abrand new install. Ill have to check in with carrier Monday to see if ah has a heat pump txv valve installed from...
  23. Replies
    65
    Views
    4,198

    Chuck, appreciate the input. I was thinking along...

    Chuck, appreciate the input. I was thinking along those lines. Do you need to change out the txv in an airhandler to a specific heat pump txv. Wasn't sure. I am sure that hasn't been done, if need be...
  24. Replies
    65
    Views
    4,198

    I apologize, Let me correct myself. The high side...

    I apologize, Let me correct myself. The high side wasn't pulling into a vacuum. It was rapidly pulling down though. Once it reached around 50 psi, the hissing began along with the marbles in the...
  25. Replies
    65
    Views
    4,198

    payne heat pump help please

    Went to start up a payne 13 seer, 410a heat pump in the heating mode today and my high side gauge was pulling down to a vacuum, while the compressor began to hiss and sound like it had marbles in it....
  26. Replies
    16
    Views
    1,205

    No I didn't say it was icing, probably should...

    No I didn't say it was icing, probably should have. I wasn't asking whether or not I should put refrigerant into an empty system. Im good there.
  27. Replies
    16
    Views
    1,205

    No, it had refrigerant because when I turn the...

    No, it had refrigerant because when I turn the disconnect on it started to ice up. It probably is just a leak, and im looking to far into it. I though it just seemed unusual to have 125 on the high.
  28. Replies
    16
    Views
    1,205

    Yes agreed. I need to definetly put a nitrogen...

    Yes agreed. I need to definetly put a nitrogen charge in there before I change any equipment to see if it holds. Couldn't the first time, because of how busy I was at the time. Just putting out...
  29. Replies
    16
    Views
    1,205

    Energy star I agree with you. However I don't,...

    Energy star I agree with you. However I don't, and that's why im looking for others opinions on why that may be
  30. Replies
    16
    Views
    1,205

    The system wasn't empty or "flat" when I charged...

    The system wasn't empty or "flat" when I charged it. Originally there was roughly 25psi on the high and 0 on the low. Then when I returned there was 125 on the high. And 0 on the low. I didn't create...
  31. Replies
    16
    Views
    1,205

    I will definitely find where the refrigerant is...

    I will definitely find where the refrigerant is going and fix it. I just figured with the condenser running on a call for cooling, and the high side reading 150 psi, wouldn't the low side be showing...
  32. Replies
    16
    Views
    1,205

    Looking for insight

    Arrived upon no cooling call, and found the following. 2ton r22 condenser with little to no pressure. Figured it had a leak, so I recharged the system. Checked some obvious locations and found...
  33. Manual J is the industry standard. Period. How...

    Manual J is the industry standard. Period. How could you possibly calculate a heat load on square footage only? There's too many variables to consider. Manual J covers these. Go with the contractor...
  34. Replies
    3
    Views
    1,092

    Good call, the model was a quattro. Thanks for...

    Good call, the model was a quattro. Thanks for the info. I'll be tracking down that diagram. As for the wiring, the roll out switch was burnt. I fired the unit several times and everything seemed...
  35. If its only been 8 months, you should still be...

    If its only been 8 months, you should still be under warranty. I would call the contractor who did the installation and voice your concerns. Sounds like it was never inspected. The problems your...
  36. Definitely seal all gaps. Larger ones with...

    Definitely seal all gaps. Larger ones with sheetmetal, smaller with duct sealer. Check with bldg dept. to see what your cities code for the insulations r value is. In some cities near me, inspectors...
  37. Replies
    3
    Views
    1,092

    Fire starter

    Went to a pizza shop yesterday for a no heat call on a gas fired furnace. When I took off the panels, the wiring was a mess. The shop owner told me that he's had 3 or 4 other people look at it,...
  38. Replies
    8
    Views
    627

    Where there's a will, there's a way.

    Where there's a will, there's a way.
  39. I wouldn't lose sleep over having a hydronic and...

    I wouldn't lose sleep over having a hydronic and refrigeration coil share the same ductwork. The situation could call for it. You have bigger fish to fry. I wouldn't role with the Sears guy telling...
  40. Replies
    23
    Views
    6,471

    Took the course at the Buderus sit in derry, n.h....

    Took the course at the Buderus sit in derry, n.h. Boilers awesome. comes in both condensing and noncondensing. Buderus is a step above the rest. Its an expensive boiler, but the return is there with...
  41. Replies
    15
    Views
    1,619

    If your system was installed this year, you...

    If your system was installed this year, you wouldn't have given it a chance to freeze yet. Especially if your reading the attics temp at 45 degrees. If your neighbors have seen at least one full...
  42. Looks like some shoddy work. I would try to get...

    Looks like some shoddy work. I would try to get another contractor in there to see if each register has the required cfm. There may be a chance of cleaning up some of that mess. It may not be the...
  43. Replies
    15
    Views
    1,619

    If freezing problems start ocurring, you could...

    If freezing problems start ocurring, you could cut in a supply branch and face it towards the furnace. If its been installed for some time and you haven't had any problems most likely you wont. Make...
Results 1 to 43 of 43
Comfortech Show Promo Image

Related Forums

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