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Type: Posts; User: chander

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  1. Replies
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    No permit= No codes! Trunk slammer Sent from...

    No permit= No codes! Trunk slammer

    Sent from my ASUS_P00J using Tapatalk
  2. Replies
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    1,316

    This brings back memories of the Aeroquip...

    This brings back memories of the Aeroquip line-set days.

    Sent from my VS501 using Tapatalk
  3. Replies
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    1,316

    That is for when they replace the roof, the...

    That is for when they replace the roof, the roofers can move it out of there way easily!

    Sent from my VS501 using Tapatalk
  4. Replies
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    I have the 350 ford Transit, it is the high top...

    I have the 350 ford Transit, it is the high top long box and I do keep it loaded. It has the standard v-6 , this has a six speed transmission.
    I am very happy with the power it has, they get the...
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    592

    You have 185 psi discharge and a 70 deg. liquid...

    You have 185 psi discharge and a 70 deg. liquid line. You have a compressor this is pumping, saying it have been running low on gas and in a vacuum, damage is very possible. Trouble starting,...
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    It initially seems like a bad TXV or restricted...

    It initially seems like a bad TXV or restricted liquid line. Does your sight glass show liquid, do you see frosting around txv? Do you have a LL solenoid valve in this system?
    What is your amp draw...
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    Was the wire dual rated THHN and THWN? I am not...

    Was the wire dual rated THHN and THWN? I am not aware of that code, but it sounds like an inspector that does not know his job.
    Why is the mechanical inspector checking that? That is under the NEC...
  8. Replies
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    1,923

    Must be a heat pump, lots of snow in that area! ...

    Must be a heat pump, lots of snow in that area!

    Sent from my ASUS_P00J using Tapatalk
  9. Replies
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    635

    I have seen dishwasher drain taps utilized for...

    I have seen dishwasher drain taps utilized for condensate drains. This keeps the trap in place and allows condensate to enter before the trap.
    Note,some locations will not allow condensate to be...
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    Is that a LON board or comm 4 ? Is rover the...

    Is that a LON board or comm 4 ? Is rover the program that they used or something different?

    Sent from my ASUS_P00J using Tapatalk
  11. Thread: Weld of shame

    by chander
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    3,639

    Ha, I keep those coupler in stock on my truck...

    Ha, I keep those coupler in stock on my truck also!!!!!!!!!!!!!!!!!!!!!!!

    Sent from my ASUS_P00J using Tapatalk
  12. If there wasn't any moisture in the system you...

    If there wasn't any moisture in the system you will be fine.

    Sent from my ASUS_P00J using Tapatalk
  13. Replies
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    1,889

    I would check return temp at the unit during the...

    I would check return temp at the unit during the day and night. Can you leave a data logger in place for 24hours? Is the fan set to auto, this may be giving you a sense of warmer when the fan is on...
  14. Replies
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    1,889

    Where are you reading the indoor temp from? Is it...

    Where are you reading the indoor temp from? Is it possible return temp is at setpoint , but t-stat is readings higher temp. If you are getting your temp readings from the stat.

    Sent from my...
  15. Replies
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    1,889

    Does this mini split use a return sensor at the...

    Does this mini split use a return sensor at the unit or room t-stat for sensing? Do you have a make and model?

    Sent from my ASUS_P00J using Tapatalk
  16. Replies
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    It sounds like you do a lot more than the "most...

    It sounds like you do a lot more than the "most basic of the field". Just because you have not worked on zone systems, don't let that stop you. Any good company will have employees with varied...
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    I can't speak as to the Florida, but in the field...

    I can't speak as to the Florida, but in the field in general, a lot of techs start out in residential a/c installers. Have you done any new installs or you mostly do service? This field is always...
  18. Replies
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    Or low control voltage Sent from my VS501...

    Or low control voltage

    Sent from my VS501 using Tapatalk
  19. Replies
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    Only 24 volts, that is normally ok, but usually...

    Only 24 volts, that is normally ok, but usually see higher voltage than that. Check transformer for proper voltage tap.

    Sent from my ASUS_P00J using Tapatalk
  20. Replies
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    Does you phase monitor log events? If it does,...

    Does you phase monitor log events? If it does, what did it record? Have you recorded control voltage to the contactor?

    Sent from my ASUS_P00J using Tapatalk
  21. Thread: 240v question

    by chander
    Replies
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    1,094

    If I understand your question correctly, you have...

    If I understand your question correctly, you have 0 voltage between the two power lugs (L1-L2)? If this is correct, was a two pole breaker installed in the main electrical panel that supplies this...
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    Covering repairs out of warranty normally creates...

    Covering repairs out of warranty normally creates more business for your company. A satisfied customer tells friends and family of how they were treated.

    Sent from my VS501 using Tapatalk
  23. Replies
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    Good quality control? Break out the torch and...

    Good quality control? Break out the torch and glob it up ........

    Sent from my ASUS_P00J using Tapatalk
  24. Replies
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    758

    That looks like the type of fitting on...

    That looks like the type of fitting on mini-splits. They are brazed , when you un-braze that fitting you will find a piece of copper stubbed into it. Basically a 3/16 into a 1/4" pipe, the ring is...
  25. Thread: Wire too hot

    by chander
    Replies
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    1,786

    I can not tell you why the manufacturer designed...

    I can not tell you why the manufacturer designed it this way. As for the burnt wire, I would look into the possibility of the screw on that lug being loose.
    8 ga wire is rated for that amperage. Is...
  26. Replies
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    It sounds like someone will be contacting the...

    It sounds like someone will be contacting the insurance company. Did anyone look at the chiller yet? Does it have a barrel or plate?

    Sent from my ASUS_P00J using Tapatalk
  27. Replies
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    I could only guess as to the wafer pushed that...

    I could only guess as to the wafer pushed that direction. It is possible the piping behind the butterfly valve contained water and when expanded pushed to a section that was drained( y-strainer), and...
  28. Replies
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    Are you in a location where it would have frozen?...

    Are you in a location where it would have frozen? I have only seen damage from improperly winterized systems look like that.

    Sent from my ASUS_P00J using Tapatalk
  29. Replies
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    Fugitsu evaporator leaks

    I have been finding a few leaking evaporators lately on Fugitsu compact cassettes Model number AUU12RLF. They are mostly eight to ten years old. I have not had any wall hung units leaking yet.
    They...
  30. Replies
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    Are you going to change oil and put new...

    Are you going to change oil and put new refrigerant in unit? How did moisture get introduced into system, do you have any service history of system?

    Sent from my VS501 using Tapatalk
  31. I also use the fire hose nozzle with good...

    I also use the fire hose nozzle with good success. Most of the time I use a in-line booster pump to maintain enough pressure, especially on roof work with 150 to 200 ft. of hose laid out.
    I have...
  32. Replies
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    I thought the 7 and 10 had a bigger HP motor? ...

    I thought the 7 and 10 had a bigger HP motor?

    Sent from my VS501 using Tapatalk
  33. Replies
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    That is a nice looking pump. DC motor with...

    That is a nice looking pump. DC motor with inverter, I would like to see long term reliability. Anyone using this pump?

    Sent from my ASUS_P00J using Tapatalk
  34. Replies
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    Need new 6 cfm vacuum pump

    I am in need of a new 6 cfm pump, looking for suggestions of what you are using? My last pump was a Robinair 15600, it lasted only 1 1/2 years before it lost it's micron capacity. I actually changed...
  35. Replies
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    Carrier is a product I deal with and they have...

    Carrier is a product I deal with and they have aluminum evaporator.
    The trend is most manufactures are using aluminum evaporator.

    Sent from my ASUS_P00J using Tapatalk
  36. Thread: flow valve

    by chander
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    646

    Is there any water treatment used on this system?...

    Is there any water treatment used on this system?

    Sent from my ASUS_P00J using Tapatalk
  37. Replies
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    Thanks R123 for the info. I have not applied for...

    Thanks R123 for the info. I have not applied for Pro status yet, I know there's a lot of more detailed information available when Pro status is achieved, but I have no excusable reason for not...
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    Do you know if the replacement cables are sold as...

    Do you know if the replacement cables are sold as a complete kit or do you have to order the cables by length and ends needed individually?
    I have a call into my local trane parts supplier waiting...
  39. Replies
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    It is a RTAC200, last season I lost communication...

    It is a RTAC200, last season I lost communication with a group of sensors at the end of link. Found a section of cable that had been chewed on(mice I guess). Replaced that section and was good.

    At...
  40. Replies
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    Do you replace the sensors also or use the...

    Do you replace the sensors also or use the adapter kit?

    Sent from my ASUS_P00J using Tapatalk
  41. Replies
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    1,086

    Trane RTAC LLID cable

    I have an chiller that uses the flat ribbon for the llid's. This cable has been repaired and replaced in many areas before.
    I am looking into upgrading this unit to the newer style cable with the...
  42. Replies
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    Current switches

    I am looking for some feedback on different current switches that people are using.
    I have a few sites that need to be upgraded to new current switches, due to many have failed and have been jumped...
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    Some of the information can be found by using...

    Some of the information can be found by using UPCM edit also. You access that in Summit Tracer on your front end.

    Sent from my ASUS_P00J using Tapatalk
  44. Thread: New CW Coil

    by chander
    Replies
    7
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    1,109

    Nice clean work, but you should not connect black...

    Nice clean work, but you should not connect black iron directly to copper. You could use a dielectric union to avoid the possible reaction from the different metals.

    Sent from my ASUS_P00J using...
  45. Replies
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    Trane Analog Range and Offset

    I have a AHU with a failed discharge sensor controlled by a UPCM.
    When I go into upcm edit , I see the sensor is listed as (BAL) balco with a range of 102.4 and offset of 0.
    I can not get this...
  46. Replies
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    I agree 100 degrees is too high. Is your building...

    I agree 100 degrees is too high. Is your building controlled by chillers? If this is the case, you could stagger the start times on areas to allow the chiller to slowly load-up.
    I usually see...
  47. Thread: Wire bugs

    by chander
    Replies
    18
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    3,986

    The split bolt actually rubbed through the cover...

    The split bolt actually rubbed through the cover and shorted out. There was not any rubber splice tape used either. As other stated, there is not enough cu. In an 1" LB to splice three #4.

    Sent...
  48. Thread: Wire bugs

    by chander
    Replies
    18
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    3,986

    Wire bugs

    Found this nice splice on a 1" LB feeding a RTU. I quess anything goes when you are on a roof.https://uploads.tapatalk-cdn.com/20180818/edd855ebcc4cee57df12e814032957c1.jpg

    Sent from my VS501...
  49. Replies
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    502

    They must have a huge energy budget. Sent from...

    They must have a huge energy budget.

    Sent from my ASUS_P00J using Tapatalk
  50. Replies
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    You are correct, these units are occupied all the...

    You are correct, these units are occupied all the time. The schedule is occupied during the first start when it was created.

    If the schedule was created on a Tuesday at 1 PM, when 12 AM it starts...
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