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Type: Posts; User: bigger b

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  1. Replies
    28
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    3,414

    No receiver, that could be a problem when it...

    No receiver, that could be a problem when it satisfies and pumps down. It does pump down, right?
  2. Replies
    1
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    1,773

    Water flow calculation

    I know the water flow calculation for gpm on water. Btuh x 1.25 divided by water delta t x 500. Isnt there a factor for glycol because it doesn't have the heat transfer capabilities of water?
  3. Replies
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    526

    The model number on it YKCFCGP5-CMF. It's has a...

    The model number on it YKCFCGP5-CMF. It's has a water cooled VSD with the Optiview panel.
  4. Replies
    1
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    526

    Attention York Boys

    Need a PDF on York high pressure centrifigal. Info would be great! Info on changing oil filter would be great too. Thanks!!!
  5. Replies
    21
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    4,623

    I have seen a lot of Trane coils leak too. I'm...

    I have seen a lot of Trane coils leak too. I'm not close to the ocean either. I have actually seen replkacement condenser coils, for the ones that were leaking, leaking straight out of the box....
  6. Replies
    0
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    449

    Barber Colman outdoor Reset

    Does anyone have have any literature for an old Barber Colman outdoor reset? The controller has light bulbs in it maybe used as resisters, may change brightness as a form of status? Controls mixing...
  7. Replies
    4
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    555

    The York Boys! Which ever one of you guys have....

    The York Boys! Which ever one of you guys have. Would greatly appreciate it!
  8. Replies
    4
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    555

    York open Drive Screw

    Anybody have a pdf on York open drive screw machine? M# YSBBBASO-CFD , R-134a? Literature would be great thanks!
  9. Replies
    2
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    483

    It's all Johnson. Any of that info would be great!

    It's all Johnson. Any of that info would be great!
  10. Replies
    2
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    483

    Unit Ventilators

    I have a school with old Herman Nelson Unit ventilators. This stuff is from 1967 and is all pnuematics. Does anyone have any literature on this stuff? i'm new to pnuematics.
  11. Replies
    7
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    963

    Yeah. This is definately the previous generation...

    Yeah. This is definately the previous generation controller that trane used on alot of equipment (CGAE). The CGAF with Intellipak controller is nice and havent seen very many problems with them yet,...
  12. Replies
    7
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    963

    thanx maxter. i dont know what jay's problem is....

    thanx maxter. i dont know what jay's problem is. hope he is doing ok!
  13. Replies
    7
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    963

    Thanks Jayguy. Dont have many posts, sounds like...

    Thanks Jayguy. Dont have many posts, sounds like you work on alot of tranes. I used to work on alot of 1st generation voyagers with the microtel board and have a few with the reliatel board new...
  14. Replies
    7
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    963

    current transformer for trane cgae

    Does anyone have a checkout chart for Trane current transformers for a Trane M# CGAEC60GAAAITR?
  15. Replies
    11
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    1,058

    on high temp found distributor tube waxing...

    on high temp found distributor tube waxing starving evaporater. on low temp found coil dirty no superheat. in both cases there is no superheat when the bulb is sensing surrounding ambient temps....
  16. Replies
    11
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    1,058

    On another subject, went out to a medium...

    On another subject, went out to a medium temperature box. This is the second time I found a TXV bulb insulation missing to compensate for low evaporator problems. Found it one other time on high temp...
  17. Replies
    11
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    1,058

    Thanks 56 you rock! This particular chiller...

    Thanks 56 you rock! This particular chiller doesn't use the millineum panel though. It's the new Optiview panel I believe. Has nice graphics on it. Also tells you what your approach temps are,...
  18. Replies
    11
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    1,058

    Can ya hook a brother up!?

    Can ya hook a brother up!?
  19. Replies
    11
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    1,058

    I belong to the local for this area. Dont do many...

    I belong to the local for this area. Dont do many centrifigals. Always been small tonnage, Positive Displacement, air cooled and water cooled stuff. Any service literature would be great!
  20. Replies
    11
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    1,058

    York centrifigals

    Anybody have any good service literature for York YTG1 machines?
  21. Replies
    3
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    1,335

    Booster Heater

    I have a Lochinvar booster heater for a commercial dishwasher. The pressure reducing valve needs replacement. It is a Watts Z2 set at 20 psi. Im looking at Watts valves. There is a Watts U5B-Z3...
  22. Replies
    13
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    1,197

    Just stay awy from Carrier units over 10 ton you...

    Just stay awy from Carrier units over 10 ton you will be fine.
  23. Replies
    13
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    1,197

    Not a big fan of York rooftop equipment, junk....

    Not a big fan of York rooftop equipment, junk. They have alot of chillers hanging out there though. Get Carrier rooftop equipment. For air cooled chillers use Trane.CGAF. Bulletproof, with the...
  24. Replies
    6
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    1,715

    100 percent outside air

    I've been running into alot of regular split systems being used as 100 percent outside air units. They always run overloaded. Can I fudge superheat settings and fan capacity to make em run right or...
  25. Thread: york ycws0140

    by bigger b
    Replies
    2
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    608

    oh and what happened to being able to get yorks...

    oh and what happened to being able to get yorks literature online. It sucks now.
  26. Thread: york ycws0140

    by bigger b
    Replies
    2
    Views
    608

    york ycws0140

    Looking at a York YCWS0140SC17YAASS. Ckt 1 wont start because of high pressure switch being open. It is labeled as FHP. Switch looks more like a solenoid coil. It's also mounted close to the slide...
  27. Replies
    10
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    1,007

    Why's it freezing?!

    Got a 14,600 BTU copeland compressor. -20 rated tremperature on compressor. Don't know condenser rating. Had a 9,000 BTU evaporator. Had 12,000 BTU expansion valve. Stacked condenser with liquid...
  28. Thread: Overcharge

    by bigger b
    Replies
    3
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    726

    Thanks guys. Looking at 404a, there is hardly any...

    Thanks guys. Looking at 404a, there is hardly any temperature glide to this refrigerant. Thanks for the advice.
  29. Thread: Overcharge

    by bigger b
    Replies
    3
    Views
    726

    Overcharge

    If I had an overcharge on 404a, can I recover some of the liquid and not worry about fractionizaition?
  30. Thread: New to this

    by bigger b
    Replies
    1
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    500

    New to this

    Started in the trade working on comfort cooling, high temperature refridgeration. Starteing to make the leap into medium and low temperature refridgeration. Principles are the same, but thats where...
  31. Replies
    17
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    2,151

    what is tripping? It should say for Intellipak....

    what is tripping? It should say for Intellipak. Check the contacts on the back of the breakers. That notifies the board that the compressor tripped. If it is overload, the current transformers are...
  32. Thread: Flue venting

    by bigger b
    Replies
    1
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    590

    Flue venting

    Found an atmospheric boiler not venting properly today backing up co in mechanical room. What I found was an inducer motor installed in the flue piping on a natural draft boiler. The inducer motor...
  33. Replies
    5
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    755

    It's tough. The guy is sharp. Taught me alot....

    It's tough. The guy is sharp. Taught me alot. Just decided that he was going to do his own thing. He is doing work for this engineer also messing with my units that he no longer takes care of. Hes a...
  34. Thread: water flow

    by bigger b
    Replies
    15
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    1,259

    Have you guys seen a plugged circuit setter...

    Have you guys seen a plugged circuit setter before?
  35. Thread: water flow

    by bigger b
    Replies
    15
    Views
    1,259

    Circuit setters wide open. No water regulating...

    Circuit setters wide open. No water regulating valves to get plugged. Strainers get plugged, but get clean under maintenance. This building is on a closed loop system. Theres alot of sediment in this...
  36. Thread: water flow

    by bigger b
    Replies
    15
    Views
    1,259

    water flow

    Have a job with 2 watersource units low on water flow. Calculated actual GPM from BTU rating and delta t across condenser water lines. 1 1/2" coming from riser down to 3/4 to a 3 ton and 3/4 to a 2...
  37. Replies
    5
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    755

    friendly competetition

    Have a contract with alot of equipment. A previous employee and friend who use to have contract also competing for work. I find deficeicies, make customer aware, and customer goes back to former...
  38. Replies
    6
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    658

    you have a p/t chart right on your gauges. Rookie!

    you have a p/t chart right on your gauges. Rookie!
  39. Replies
    2
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    525

    carrier residential txv

    Does anyone know how refrigerant is able to pass back through txv in heat pump mode on carrier residential heat pumps?
  40. Replies
    6
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    1,076

    Thanx for the insight. That ARI website is great....

    Thanx for the insight. That ARI website is great. And I will have to change the TXV.
  41. Replies
    6
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    1,076

    Good point. It seems using a txv on this base...

    Good point. It seems using a txv on this base model is the only option. On some it give you piston option or txv.
  42. Replies
    6
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    1,076

    Actually already installed heat pump. Unit ran...

    Actually already installed heat pump. Unit ran fine but numbers weren't looking like themselves. Had old piston. Charged off of outdoor conditions and indoor wetbulb. 70 outside, 55 wetbulb, should...
  43. Replies
    6
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    1,076

    matching carrier coils

    Just looking to match up a 25hb 13 seer, 2ton heat pump with a FA4BNF030 2.5 ton air handler. Another contractor installed air handler 2 years ago. Old 2 ton heat pump just gave out. Still has piston...
  44. Thread: Novar ep/2

    by bigger b
    Replies
    1
    Views
    1,073

    Anyone have software on the ep/2 novar system for...

    Anyone have software on the ep/2 novar system for windows?
Results 1 to 44 of 45
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