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  1. Thread: Hourly Rate

    by R123
    Replies
    16
    Views
    716

    It takes more than 1 hour to perform the job....

    It takes more than 1 hour to perform the job. There's the time to go to the supply house to pick up the part, driving time to make it to your house, time to haul tools to furnace & clean up, time to...
  2. Thread: Hourly Rate

    by R123
    Replies
    16
    Views
    716

    The issue with customer supplied parts is who...

    The issue with customer supplied parts is who will warranty it if it fails.

    Just curious, if you have the part, why don't you fix it yourself?
  3. Thread: Hourly Rate

    by R123
    Replies
    16
    Views
    716

    Many company's bill by flat rate pricing (cost to...

    Many company's bill by flat rate pricing (cost to perform a particular task parts and labor) so they may not break it down. For example when you go to get your oil changed in your car, they charge...
  4. Replies
    1
    Views
    332

    There's computer software for that but I don't...

    There's computer software for that but I don't know much about it.
  5. Replies
    5
    Views
    528

    TechView can load the latest software........

    TechView can load the latest software..... KestrelView is not needed for that.

    When the ambient temperature falls below 32 deg, the keypad will automatically lock out and require the password to...
  6. Thread: Megger Readings.

    by R123
    Replies
    22
    Views
    920

    I think my arm would get tired after cranking for...

    I think my arm would get tired after cranking for 10 minutes.
  7. Replies
    5
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    524

    If this is a 100 ton MACHINE (50 ton COMPRESSOR),...

    If this is a 100 ton MACHINE (50 ton COMPRESSOR), then you should have a GP compressor and not an intermediate compressor. The diagnostic of "oil flow control" only applies to intermediate...
  8. Replies
    22
    Views
    925

    Artichill, I agree with these other guys. If you...

    Artichill,
    I agree with these other guys. If you put a larger HP motor in place of the origional, it doesn't move more air and doesn't over amp the motor. In the residential side, this is done all...
  9. Replies
    21
    Views
    1,195

    The OP needs to call a pro.

    The OP needs to call a pro.
  10. Replies
    2
    Views
    329

    You need to upgrade the controls to AdaptiView...

    You need to upgrade the controls to AdaptiView controls and it will come with a new "inlet guide vane actuator". You need to bite the bullet now as non of these controls are available anymore.
  11. Replies
    10
    Views
    645

    Hospitals are also buildings where static...

    Hospitals are also buildings where static pressure is tightly controlled. Isolation rooms (where people with nasty contagious diseases stay) are kept in negative pressure with surrounding rooms in...
  12. Replies
    12
    Views
    810

    I would just replace the unloaders.

    I would just replace the unloaders.
  13. How far above the pump is the sump in the tower?

    How far above the pump is the sump in the tower?
  14. Replies
    7
    Views
    841

    This is a "Corner Grounded Delta" system and is...

    This is a "Corner Grounded Delta" system and is found in older facilities that have no need for 277 volt service such as a manufacturing facility or a central plant in an apartment complex. The...
  15. If the contract department is the bureaucracy...

    If the contract department is the bureaucracy that is causing a month delay in replacing worn out equipment, why would want it to be pushed through faster than normal when it serves their office...
  16. Thread: heat load

    by R123
    Replies
    3
    Views
    458

    watts X 3.413= BTU

    watts X 3.413= BTU
  17. Replies
    1
    Views
    270

    Why does he won't to move the condensing unit...

    Why does he won't to move the condensing unit indoors? How would you wash the coils?
  18. Install new digital thermostats on the units....

    Install new digital thermostats on the units. Most have timers built in. Also install hard start kits if the compressors are single phase. I have a 15 KW standby generator and the hard start kits...
  19. Replies
    4
    Views
    362

    Very true.

    Very true.
  20. Replies
    4
    Views
    362

    That chiller has a factory electronic flow...

    That chiller has a factory electronic flow switch. There is no reason the Carrier parts dept wouldn't be able to look it up. Talk to another parts counter man.
  21. Replies
    12
    Views
    803

    I've got 3 30 pounders I'm going to sell.

    I've got 3 30 pounders I'm going to sell.
  22. Replies
    12
    Views
    803

    Matthew, I'm sure you read this when you...

    Matthew,

    I'm sure you read this when you signed up??

    http://hvac-talk.com/vbb/showthread.php?1241-Welcome-to-HVAC-Talk!-Please-read-these-rules
    ...
  23. Replies
    12
    Views
    803

    -

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  24. Thread: Self Employment

    by R123
    Replies
    9
    Views
    533

    Please don't take this the wrong way..... I think...

    Please don't take this the wrong way..... I think you should have worked for another contractor for at least 5 years before going into business for yourself. There is a lot you'll learn that you...
  25. Thread: Self Employment

    by R123
    Replies
    9
    Views
    533

    Just curious..... Did you have any HVAC training...

    Just curious..... Did you have any HVAC training before you went into business for yourself?
  26. Put in a small chiller.

    Put in a small chiller.
  27. If there isn't a sensible heat load but a latent...

    If there isn't a sensible heat load but a latent heat load, you could have a chilled water coil 10 feet thick but it wouldn't do any good if the chilled water valve is closed.... That's why they...
  28. Replies
    42
    Views
    2,267

    Trane parts dept. In my area, it's a franchise. I...

    Trane parts dept. In my area, it's a franchise. I don't know about the other districts.

    Just to clarify, I may be wrong about selling at cost, but they hav a very low markup.
  29. Replies
    42
    Views
    2,267

    The Trane distributer in my area sells tools at...

    The Trane distributer in my area sells tools at cost as a service to its customers.
  30. Thread: triac output

    by R123
    Replies
    33
    Views
    958

    How are you measuring the triac voltage output? ...

    How are you measuring the triac voltage output? It's not the same as measuring a relay voltage output.... You can get a false reading.
  31. Thread: triac output

    by R123
    Replies
    33
    Views
    958

    Yes, if the coil or wiring is shorted.

    Yes, if the coil or wiring is shorted.
  32. Replies
    42
    Views
    2,267

    I too would listen to these guys and get your...

    I too would listen to these guys and get your money back. Then you can buy 2 and have a spare.

    I've had this model for about 15 years and love it. (although the battery is dead and I plug it in...
  33. Thread: Humidity control

    by R123
    Replies
    3
    Views
    404

    That's your problem.....Chilled water temp is too...

    That's your problem.....Chilled water temp is too high. The colder the coil surface temp (which is chilled water temp), the more moisture that will be condensed out of the air. Try 42-44 degrees.
  34. Replies
    30
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    1,979

    I too think it would probably be alright. I...

    I too think it would probably be alright. I remember the old days when a lot of people purged the lines instead of evacuating and they ran fine for years. There was probably a slight positive...
  35. Replies
    2
    Views
    364

    A motor starter has overload protection and a...

    A motor starter has overload protection and a contactor doesn't.
  36. Replies
    22
    Views
    1,482

    Jay, I bet you were thinking about the...

    Jay, I bet you were thinking about the RTHB...they originally didn't have a core to obtain UL listing, then in later designs they started installing the core with a depressor in the switch and it was...
  37. Replies
    22
    Views
    1,482

    Wrong!....there is NO schrader under the high...

    Wrong!....there is NO schrader under the high pressure switch on a CGAM. Don't ask me how I know that....
  38. Replies
    18
    Views
    912

    Yaskawa doesn't make the E7 anymore. They now...

    Yaskawa doesn't make the E7 anymore. They now have the Z1000 and I think even a newer one is coming out. Trane, Danfoss, ABB and Yaskawa all have 3 year warranty if started up by a certified tech. My...
  39. Replies
    12
    Views
    629

    Is this chiller the voltage you need?

    Is this chiller the voltage you need?
  40. Thread: Megger readings

    by R123
    Replies
    33
    Views
    1,961

    Yeah....I had that too, but it broke. My new...

    Yeah....I had that too, but it broke. My new Fluke 87V has the cap checker built in.
  41. Thread: Megger readings

    by R123
    Replies
    33
    Views
    1,961

    And don't buy Supco anything....POS.

    And don't buy Supco anything....POS.
  42. Replies
    12
    Views
    629

    This is a 208 volt machine. Are you sure that's...

    This is a 208 volt machine. Are you sure that's the voltage you want??? Most chillers of this size run on 460 volts. How did you determine the size you need? Are you working with an HVAC...
  43. Replies
    25
    Views
    1,888

    That sounds good to me. I remember being...

    That sounds good to me.

    I remember being taught in a R410A class that your allowed up to 5% mineral oil to be left in the system when converting to R410A.

    As far as flush solvent being left in...
  44. Replies
    25
    Views
    1,888

    You do not need to replace the lineset when...

    You do not need to replace the lineset when changing to R410a as long as you properly flush it with a good flush kit. Generally R410a systems call for a smaller line set than R22 systems do so I...
  45. Replies
    17
    Views
    1,482

    I know people in the real estate business who buy...

    I know people in the real estate business who buy houses for dirt cheap. They pay illegal alians cash under the table to replace the carpet, throw on a coat of paint, replace some appliances, mow the...
  46. If you have 80 deg water coming in, your head...

    If you have 80 deg water coming in, your head pressure should be about 180 PSIG! You need to find out why your head pressure is so high.
  47. Replies
    1
    Views
    419

    I would first do a thorough checkout of the purge...

    I would first do a thorough checkout of the purge before you go any further.
  48. Im a little confused....you said 20,000 btu max....

    Im a little confused....you said 20,000 btu max. Is that the total of ALL equipment or EACH PIECE of equipment? How do you come up with the room load of 96,000 btus? Are you including the servers...
  49. Replies
    5
    Views
    707

    I agree, you need to call a pro. Its a complex...

    I agree, you need to call a pro. Its a complex process to check the charge which requires checking many variables. There are also many other things besides refrigerant level that could be the...
  50. Thread: yaskawa vfd

    by R123
    Replies
    10
    Views
    657

    Yes, an E7 keypad won't communicate with a Z100...

    Yes, an E7 keypad won't communicate with a Z100 drive or vice versa.

    Many VFD's come with a factory startup and in order to receive the 3 yr. parts and labor warrenty it is REQUIRED.
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