Search:

Type: Posts; User: redfive

Page 1 of 3 1 2 3

Search: Search took 0.00 seconds.

  1. Replies
    19
    Views
    4,867

    Agree with ar hvac man. Use it if thats all you...

    Agree with ar hvac man. Use it if thats all you have, until you get correct size. Have gone on 3 calls this year so far, where home owner went and got there own motor off the net. Not a OEM one, but...
  2. Thread: R 22 dry unit

    by redfive
    Replies
    47
    Views
    6,178

    Agree with Slayer0901. They tend to shoot low on...

    Agree with Slayer0901. They tend to shoot low on the factory charge. But Superheat chart or subcooling will steer you right. But if its not a matched system. Different condenser brand then what was...
  3. Replies
    11
    Views
    1,358

    Doesnt matter what they use, if its not used...

    Doesnt matter what they use, if its not used right and the Ph and chemicals are not measured and tested correctly. We tried to make it easy for them, But due to ignorance and lack of training they...
  4. Replies
    11
    Views
    1,358

    We have both PoolPak and Dectrons for several of...

    We have both PoolPak and Dectrons for several of our pools. Both are good machines. PoolPak is easier to get support, beings its sponsered by Trane. Dectron is a Canadian company, at least thats were...
  5. Replies
    25
    Views
    3,349

    Hard to do in a residential dwelling or complex....

    Hard to do in a residential dwelling or complex. Our crime labs and drug storage rooms were built for that purpose, to isolate it from the rest of the building. They are basically buildings within...
  6. Replies
    2
    Views
    526

    Yes it can and has happened. Always make sure you...

    Yes it can and has happened. Always make sure you have a check valve. there was a tech who posted last year or so, asking how to get a couple of gallons of oil out of a absorber. His pump failed and...
  7. Replies
    2
    Views
    660

    old lennox tonage?

    Hey all, Got a small lennox that is still running, but the cost of keeping it running is getting higher. The unit is so faded that I can't get a model #, even off the electrical backside. Costumer...
  8. Replies
    18
    Views
    4,154

    We had a building that we replaced 12 units with...

    We had a building that we replaced 12 units with carriers. After about five months we were changing out compressors on a weekly bases. All had leaks in this area. Carrier didnt really know about any...
  9. Replies
    32
    Views
    3,906

    I have a 1998 Schult home, now owned by Clayton...

    I have a 1998 Schult home, now owned by Clayton homes. My house is 1398sf, and is sized with a 3.5 ton system. the heat gain and loss of the home has already been done for your home for the area it...
  10. Thread: dry units.

    by redfive
    Replies
    32
    Views
    3,917

    Lennox and Carrier reps both told me it was done...

    Lennox and Carrier reps both told me it was done in part to help out the apartment complex industry. If you have a a complex with 300 plus units, the price of converting every unit that needed a new...
  11. Thread: NFPA help

    by redfive
    Replies
    7
    Views
    827

    Don't think the NFPA will say much on it. It...

    Don't think the NFPA will say much on it. It covers fire code and protection. This is a mechanical code issue. Unless you consider the possibility of CO entering the building. Even then its an IAQ...
  12. Most of the time that I have had a transformer...

    Most of the time that I have had a transformer trip or control fuss blow on a consistant bases and find no shorts or bad wiring. Its been the contactor. Mostly with the compressors. But in heating...
  13. Replies
    19
    Views
    3,638

    Well, do you mean like a parallel loop? There are...

    Well, do you mean like a parallel loop? There are many setups for chillwater pipeing systems, depending on the application. The secondary loops in my case serve smaller air handlers in one building....
  14. Thread: Clean House

    by redfive
    Replies
    26
    Views
    1,876

    Well good. I didnt wont to sound like a clean...

    Well good. I didnt wont to sound like a clean freak or anything. And to bwalley: yes I do have a HVAC Contractors license and a electrical contractors license, insured and bonded. I work for a City...
  15. Thread: Clean House

    by redfive
    Replies
    26
    Views
    1,876

    Clean House

    Just wonted to see what others would say on this topic. Have you ever gone to a house that was so dirty and filthy that you just had to leave and tell the customer that they need to call someone...
  16. Replies
    6
    Views
    706

    Glad to here someone actually takes the time to...

    Glad to here someone actually takes the time to clean a unit. Its the most naglected part of the trade I think. I have seen some units that I dont know why they run to begin with, they are so filthy....
  17. Replies
    8
    Views
    1,752

    Boy O Boy, my job would be on the line. Dont know...

    Boy O Boy, my job would be on the line. Dont know about other machines, but the Yazakis run around $20-30,000 for a new charge of Bromide. That was about 6 years ago too. Man that realy sucks.

    ...
  18. Replies
    8
    Views
    1,752

    Five gallons of old oil??? Well we have 4 Yazaki...

    Five gallons of old oil??? Well we have 4 Yazaki gas fired units, 1 V80 and 3 K100. My instructor always said that that was basicaly DEATH for the machine. If your talking about pulling a vacuum and...
  19. Replies
    32
    Views
    9,074

    Most propane tanks have a regulator pressure...

    Most propane tanks have a regulator pressure relief valve, or reducer that vents to the atmosphere, same as most natural gas meters. Its normal to get just a hint of gas once in a while if you stand...
  20. Thread: heating coils

    by redfive
    Replies
    8
    Views
    1,043

    I have done allot of them, but its been a couple...

    I have done allot of them, but its been a couple of years now. Sort of gone the way,like swagging copper. Easier to just by the replacement strips and stick them in. If you do restring just got to...
  21. Replies
    64
    Views
    16,846

    12awg is good for 20amps. This we know but a...

    12awg is good for 20amps. This we know but a 20amp breaker is only good for 80% of that load, which nocks you down to a continuous load of 16. So it would be good to know the exact amp draw of that...
  22. Replies
    7
    Views
    1,597

    I change out more trane igniters then any other...

    I change out more trane igniters then any other brands we work on. But its a norton made in some cases and I have used the trane models on Lochinvar boilers, in a pinch. They last on the boilers in...
  23. Replies
    64
    Views
    16,846

    To glennwith2ns: you are correct about the...

    To glennwith2ns: you are correct about the derating of the wire. I just didnt wont to get into all the code specifics.

    To Nchvac: to answere your question. The code is clear to me in the fact...
  24. Replies
    64
    Views
    16,846

    The overcurrent device, being the main breaker...

    The overcurrent device, being the main breaker doesnt care about the heatpump or unit. It is there to protect the wire (branch circuit protection. 12awg is good for 25 amps unless you use higher...
  25. The jist of it is, you should be able to place...

    The jist of it is, you should be able to place any unit you wont, on a 200amp service without having to modify it for Puget. You will never run everything at the same time. The code concludes this...
  26. I think puget sound is wrong or crazy. When you...

    I think puget sound is wrong or crazy. When you size a motor or comperssor or any electrical device you dont go by LRA. You size it by RLA. You then apply the correction or demand factor for the...
  27. Well, The heat pump is doing what it was disigned...

    Well, The heat pump is doing what it was disigned and built to do, just like all others that are used across the planet. The lights dimming or "flicker is not the fault of the heat pump. Its the...
  28. Replies
    3
    Views
    1,074

    yep. best to condition the outside air or temper...

    yep. best to condition the outside air or temper it as in most cases. Here in Texas we do it mostly for summer. 110 degree out side air is a killer. We use Aaons and a couple other manufactures for...
  29. Replies
    9
    Views
    859

    Forgot, had one at a fire station that the temp...

    Forgot, had one at a fire station that the temp probe was off by about 60 degrees. It was set at 130 it was going to 190. It was gas but if it was electric this would cause it to draw greater amps as...
  30. Replies
    9
    Views
    859

    Cheep contactors that are barely sized properly....

    Cheep contactors that are barely sized properly. Loose electrical connections on the contactors or main disconnect (lugs/fuses) and elements. All these conditions would cause over amping or heat and...
  31. Never seen a soft start for small motors, usually...

    Never seen a soft start for small motors, usually dont need them, or you use a hard start on small compressors. Bigger simi hermetics have multiple windings that allow you to use several motor...
  32. Replies
    4
    Views
    1,343

    MMMMMM. You Seek Yoda. Take you to him I will.

    MMMMMM. You Seek Yoda. Take you to him I will.
  33. Replies
    16
    Views
    1,573

    We had this problem, but it was the configuration...

    We had this problem, but it was the configuration of the stats. It was set up on an averaging system (voting). All stats would open and shut the VAVs, but it took at least 2-3 stats calling for heat...
  34. Replies
    10
    Views
    2,105

    Had it happen on a older BAC we had. Building...

    Had it happen on a older BAC we had. Building shut down for the night, but Megamess, I mean Metasys didnt shut the spray pumps down. Basen heaters didnt keep up and OOO boy what a mess. At least you...
  35. Thread: tempstar paf60

    by redfive
    Replies
    3
    Views
    761

    Thanks guys. The name of the town is Alba Texas,...

    Thanks guys. The name of the town is Alba Texas, next to lake Fork, above tyler texas. I'm sure there has to be some good ac guys around there. But my friends family is very closed community. They go...
  36. Thread: Turbocor

    by redfive
    Replies
    9
    Views
    1,023

    Are City looked at changing out a few old...

    Are City looked at changing out a few old chillers with the Smards, then looked at the tranes. Really liked them. The main reason, and only reason we didnt go with them is the availibility of parts...
  37. Thread: tempstar paf60

    by redfive
    Replies
    3
    Views
    761

    tempstar paf60

    Hey guys, I'm going to help out a friend saterday. His brother has a restruant in small rural town. ( no a/c companys close) They say the heat is not working and the unit is a Tempstar paf060k000e....
  38. O forgot too. All of our pools are kept at a...

    O forgot too. All of our pools are kept at a slight negative pressure. This is to keep the chlorine fumes and all from traveling through the connected buildings. and from building up in the pool...
  39. We have two olympic size pools, each run with 2...

    We have two olympic size pools, each run with 2 dectron units. Water temp is never lower then 82 or higher then 84. Air temp is kept about the same. We have several other pools run with Pool Packs...
  40. Replies
    9
    Views
    1,610

    wow 95-100 degrees. I dont think you need A/C....

    wow 95-100 degrees. I dont think you need A/C. But as stated earlier, higher temp = higher presures and amp draw. I'd look into a mister system or water cooled, to help keep the presures and amps...
  41. Replies
    5
    Views
    9,809

    Agree with darter1, all of our parallel systems...

    Agree with darter1, all of our parallel systems are for when cooling only is supplied. then parallel fan will energize the box heat and draw the air strait from the attic return, shuting down your...
  42. Replies
    7
    Views
    1,593

    If your running the building with package units...

    If your running the building with package units with this kind of setup, most units are very smart. They have control boards and add on boards that can run the outside air dampers and control...
  43. Replies
    17
    Views
    2,139

    Lightening does strike twice in the same place....

    Lightening does strike twice in the same place. 100000000+ volts DC. More of a blow up then burn out I guess.
  44. Replies
    24
    Views
    1,764

    The mechanical company or HVAC always takes care...

    The mechanical company or HVAC always takes care of the chillwater. Around my area at least. ( North Taxas). The mechanical co. either has a licensed welder working for them or they sub it out to...
  45. Replies
    4
    Views
    2,256

    Have to modem into it with hyperterminal. Then...

    Have to modem into it with hyperterminal. Then you have to remember how to work the damn thing, by going through the minu and adjusting the points. Very old stuff. Trane wont even talk to use about...
  46. Replies
    52
    Views
    3,914

    Well, Commerce 48 you are right. All is oppinion...

    Well, Commerce 48 you are right. All is oppinion from alot of people. I dont sell them and dont care. I just wont hot water. Thats all that most costumers will wont too. You can pitch any product and...
  47. Replies
    9
    Views
    1,192

    We have three Data-Air units in a new install,...

    We have three Data-Air units in a new install, less then a year old. Two comprssors were bad from the get go. Warrenty of course. All carlyles. But we have others that are several years old and...
  48. Replies
    24
    Views
    1,235

    Wow, we have Trane and Carrier screw machines...

    Wow, we have Trane and Carrier screw machines that run on 134a, but Iv never seen a split thats got it. Wouldnt mind knowing what that is. Besides my car and refrigerator. Might be part of his...
  49. Replies
    3
    Views
    987

    Agree with Timebuilder. Getting all the parts...

    Agree with Timebuilder. Getting all the parts out of the way of the exchanger takes longer then pulling the old out and putting in the new. Get some good high temp fire caulk/ gasket sealent and a...
  50. Replies
    52
    Views
    3,914

    Also for those who have circulation loops in...

    Also for those who have circulation loops in there hot water system, they run into alittle trouble going to the tankless. The loop needs constant flow to stay warm at the farthest point of the loop,...
Results 1 to 50 of 109
Page 1 of 3 1 2 3
Comfortech Show Promo Image

Related Forums

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