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  1. Thread: WATER

    by CCSPIERCE
    Replies
    7
    Views
    1,896

    JayGuy i had a Carrier EB start losing...

    JayGuy i had a Carrier EB start losing refrigerant about 5 months after an annual with Eddy currents With no leaks found externally I decided to pull another Eddy current. When i dropped the water...
  2. Thread: Carrier EEV

    by CCSPIERCE
    Replies
    17
    Views
    972

    The EXV board pulses voltage in sequences to the...

    The EXV board pulses voltage in sequences to the bi polar windings. Using a digital meter sometimes is misleading so the use of an analog meter indicates better. My old Simpson 250 set on DC volts...
  3. I want to add something to this that may or may...

    I want to add something to this that may or may not have anything to do with this. Brazed plate heat exchangers are quite susceptible to fouling due to the close passages between plates. If dirty...
  4. It is suspicious that you had no flow of fluid...

    It is suspicious that you had no flow of fluid thru the cooler(s). How are the units configured for pump control? No control with BAS in command of pump(s)? or BAS starts chiller and chiller starts...
  5. Review alarm history in both units, by writing...

    Review alarm history in both units, by writing down in chronological date and time of each unit. (check your current date and time and compare with actual time and date). Between the two of them...
  6. I have that same Imperial set and used it for 40...

    I have that same Imperial set and used it for 40 years. Still have it and it still works fine.
  7. I would closely examine the swag punch to be sure...

    I would closely examine the swag punch to be sure the metal is completely smooth. Try some 400 grit sandpaper on the punch to get a "mirror" finish. Be sure the tubing is loaded straight also. I...
  8. Replies
    17
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    1,020

    I agree with the "hate this System" comment. The...

    I agree with the "hate this System" comment. The BAS techs hopefully won't be a fly by software jockey. Yes the flow rate at each chiller needs to be known AND the changes of flow rates thru the...
  9. Replies
    14
    Views
    2,858

    Well that shoots down the theory of Victaulic...

    Well that shoots down the theory of Victaulic couplings won't hold up. I saw condensor piping jumping like that due to the tower sump continually vortexing air into the missing suction baffle hood....
  10. Replies
    15
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    1,272

    Before i retired from the blue oval i took care...

    Before i retired from the blue oval i took care of several sites with air cooled micro channel coils. I had a total of 29 units with all of them contaminated by different types of debris and media....
  11. Replies
    13
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    1,767

    I retired from the blue oval last November. I...

    I retired from the blue oval last November. I miss my customers and my co workers. Looking at this picture i can say i don't miss setting up gantry(s) and emptying the entire van. It was fun and...
  12. Replies
    18
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    1,441

    Pretty sure Jayguy is correct. A VCP type power...

    Pretty sure Jayguy is correct. A VCP type power element on the TXV would throttle suction to a maximum pressure setpoint. In the "hotbox" or "hotloop" scenario you have to have it. After the suction...
  13. Thread: T051 alarm

    by CCSPIERCE
    Replies
    10
    Views
    6,860

    There are several Carrier products that use the...

    There are several Carrier products that use the low voltage control circuitry routed thru the MBB to energize what is called a "C" relay. For example CA1,CA2, CA3............ This relay performs...
  14. The use of NST V will allow you to verify...

    The use of NST V will allow you to verify connection and comm validity to each chiller via the CCN bus connection. Then you would verify the translator cards set up, addresses and the cards...
  15. Thread: Carrier30HXA

    by CCSPIERCE
    Replies
    8
    Views
    1,089

    Another issue you may end up with is leaking...

    Another issue you may end up with is leaking o"rings on the 06N compressors. After several years the o'rings become brittle within the casings assemblies. Usually you will find an oil stain between...
  16. Thread: Carrier30HXA

    by CCSPIERCE
    Replies
    8
    Views
    1,089

    If you do have the PSIO (black module) vintage...

    If you do have the PSIO (black module) vintage machine, you should consider a controls upgrade. The PSIO modules are no longer supported or manufactured by the electronics supplier. The machine can...
  17. Replies
    55
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    10,757

    Proto is available from Grainger, never had any...

    Proto is available from Grainger, never had any problem with them. As far as tool boxes. If any of you remember the Kennedy tool boxes years ago, that tool box is Homak today from Northern Tools,...
  18. Replies
    25
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    3,115

    Typically there are three ways to curtail a...

    Typically there are three ways to curtail a chiller. Ramp loading, temperature reset, and demand limit. I am of the belief that all chillers should start the day in ramp loading, simply to slow down...
  19. Thread: CDW Valves

    by CCSPIERCE
    Replies
    8
    Views
    1,505

    I should have mentioned that i was speaking in...

    I should have mentioned that i was speaking in terms of this being a condenser pressure control operation. It was an assumption on my part that this was a condenser pressure control application as...
  20. Thread: CDW Valves

    by CCSPIERCE
    Replies
    8
    Views
    1,505

    Typically the CV flow characteristics of a full...

    Typically the CV flow characteristics of a full pipe size butterfly valve are too much flow. By going down one size the modulation swings are not as drastic, resulting in less hunting by the controls...
  21. You should refer to the Carrier piping and...

    You should refer to the Carrier piping and systems design literature. Also the Daikin or Trane piping systems design literature for further thought on the inverted loop requirements. Typically on the...
  22. Replies
    7
    Views
    1,438

    Check voltage to the ICVC panel. If it is 27...

    Check voltage to the ICVC panel. If it is 27 volts or higher, then machine voltage is running a little high. For the time being leave the ICVC panel lid cracked open to relieve ICVC board heat in the...
  23. Replies
    11
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    4,096

    The use of sodium hydroxide coil cleaners is...

    The use of sodium hydroxide coil cleaners is hardly ever done correctly. If done correctly the coil is cleaned and does not damage the aluminum to copper bond. My experience is that the cleaner is...
  24. Replies
    13
    Views
    1,837

    Verification of temperature sensors and pressure...

    Verification of temperature sensors and pressure transducers, first. That cooler approach looks a little wide also, usually we see one degree or even less. If your going to clean the condensor, go...
  25. I use a 3/4 drive hex socket into the plug...

    I use a 3/4 drive hex socket into the plug socket. Use a 3/4 drive pull handle, possibly even with a cheater. apply "vigorous" tension and have a helper tap on the plug with a two pound hammer. If...
  26. Replies
    24
    Views
    3,412

    I have used an Amprobe AM-45 for many years. Good...

    I have used an Amprobe AM-45 for many years. Good quality, accurate, but only goes to 1000 volts. Reasonably priced. Has some features for documenting trends or just to store into a file.
  27. Replies
    27
    Views
    6,549

    I remember those compressors being a royal pain...

    I remember those compressors being a royal pain to remove/repair/replace. Good thing though, very few of them failed. Last one i saw was in a church basement in Montgomery,Al.
  28. Replies
    3
    Views
    1,115

    Operation of this style unit with minimum flow...

    Operation of this style unit with minimum flow can cause icing in the brazed plate heat exchanger. As the plates swell they crush together which in turn creates paths of no flow thru that portion of...
  29. Replies
    1
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    985

    Please check your e-mail.

    Please check your e-mail.
  30. Replies
    14
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    2,769

    I would be more concerned with who the installer...

    I would be more concerned with who the installer is than the brand. Seek several bids, and stay away from "one of our church members says he can do it" if at all possible. Look at some other job...
  31. Start with cleanliness evaluation at the cooling...

    Start with cleanliness evaluation at the cooling towers. Since the chemical drum is empty you need to look for algae growth, sump sediment, etc. and whether the water is clear. Is the blow down...
  32. Jayguy is correct. I highly discourage blasting...

    Jayguy is correct. I highly discourage blasting liquid into a chiller when the circuit is in a vacuum. Break the vacuum to above the freeze point correlation of the refrigerant using vapor. Then...
  33. Thread: 30GX R450

    by CCSPIERCE
    Replies
    5
    Views
    1,314

    blumalu, if you switched CCP boards without...

    blumalu, if you switched CCP boards without setting the address switches and swapping the headers ( which is a hard dip switch) then you would have the alarms you mentioned. Look in configuration...
  34. Replies
    25
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    16,350

    R123 I would be suspicious of the temp sensor...

    R123 I would be suspicious of the temp sensor connectors at the MBB terminals. Those little red knife blade plug connections are a possibility. The sensors reversed alarm makes me believe there is a...
  35. Replies
    11
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    2,873

    Describe how you verified the exv please. Also...

    Describe how you verified the exv please. Also there is an o'ring between the liquid entry tube and the exv assembly tube. If that o'ring is broken or missing liquid refrigerant bypasses the exv. If...
  36. Replies
    11
    Views
    2,873

    Sounds like you are carrying over liquid...

    Sounds like you are carrying over liquid refrigerant from the economizer shell. Either the exv is stuck open feeding too much into the economizer, or the float assembly is not opening up enough.
    ...
  37. Replies
    29
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    12,598

    Please provide the following information. Full...

    Please provide the following information. Full model number. entering chill water temp, leaving chill water temp, evaporator refrigerant temp, water nozzle pressure entering and leaving the cooler....
  38. Replies
    18
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    2,831

    Four 30XAB 220's makes four of a kind. No wild...

    Four 30XAB 220's makes four of a kind. No wild card however.
  39. Replies
    12
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    2,379

    The product I used is Airserco product number...

    The product I used is Airserco product number 4036. It is called Imperial high vacuum sealant. It has to be ordered from a HVAC supply vendor such as C.C. Dickson or United Refrigeration. The shelf...
  40. Replies
    12
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    2,379

    I have had some success with what I would call a...

    I have had some success with what I would call a temporary repair. Most likely the leak is less when the compressor is hot, so the colder the body of the compressor, the better to try this. Remove...
  41. Replies
    3
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    5,226

    P 14 is an alarm for loss of flow during chiller...

    P 14 is an alarm for loss of flow during chiller enabled status. You stated that you have no pressure drop across the cooler, the ARI design pressure drop is 7.1 feet which is a little bit more than...
  42. In looking at the picture of the suction elbow...

    In looking at the picture of the suction elbow rigging I noticed something in the way the hooks are attached into the straps. Maybe I am not quite seeing the whole thing but I would have turned those...
  43. Replies
    29
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    12,598

    I appreciate your kind words, but you're not...

    I appreciate your kind words, but you're not getting off that easy. Please watch the link to it's entirety.

    http://youtu.be/AXVAiFBEpwA
  44. Replies
    29
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    12,598

    Thank you for your opinion bowdiddly. Seeing as...

    Thank you for your opinion bowdiddly. Seeing as you joined the site today and then want to opine as to my credentials, maybe YOU should answer the man's question. As for my answer it was based upon...
  45. Replies
    29
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    12,598

    It depends on which style of compressor you have...

    It depends on which style of compressor you have and what the exact problem is. The front end inspection will reveal where you end up going.
  46. Replies
    29
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    12,598

    http://www.yelp.com/biz/carrier-enterprise-m%C3%A9...

    http://www.yelp.com/biz/carrier-enterprise-m%C3%A9xico-monterrey
  47. Replies
    29
    Views
    12,598

    Es muy importante a llamar Carrier Corp. La...

    Es muy importante a llamar Carrier Corp. La problema que tienes es muy grave y necesita la atención de la fábrica.
  48. Replies
    12
    Views
    3,383

    There is an access program called flotronic's...

    There is an access program called flotronic's monitor. I has to run on windows 98 or lower. It was free for many years so you might be able to get a Carrier service office to copy it, if they still...
  49. Replies
    12
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    3,383

    You should check with the area Carrier...

    You should check with the area Carrier distributor or with Carrier Commercial Service in regards to the EXV board being available. If you still plan to convert to TXV be advised that you will reduce...
  50. Replies
    18
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    7,366

    Depending on what type of commercial you do,...

    Depending on what type of commercial you do, consider this one.

    http://www.instrumart.com/products/40107/bacharach-fm3700-commercial-recovery-machine?gclid=CLnky_n0gsICFe7m7AodF3wAkw
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