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Type: Posts; User: acbandit_328

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  1. Replies
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    thanks.....I read the troubleshooting guide you...

    thanks.....I read the troubleshooting guide you sent me. That's what I needed. Thanks.:D
  2. Replies
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    Thanks a million absrbrtek.....If the compressor...

    Thanks a million absrbrtek.....If the compressor won't unload, is it usually the spring? is there something else that could cause that?

    Thanks.
  3. Replies
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    is there any literature on replacing the spring?...

    is there any literature on replacing the spring? I want to know what I'm getting myself into before we do it.

    Thanks in advance...
  4. Replies
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    York chiller YCAS090 slide valve issue

    We just replaced a compressor on a York chiller YCAS090. We installed a re-built compressor DXS12. This compressor will not unload. I've read that on these compressors, the slide valve is spring...
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    Normally, when you have a severe liquid line...

    Normally, when you have a severe liquid line restriction and the suction side goes into a vacumm, you starve the evap. coil dramatically. Therefore, the evap coil will not get any refrigerant and...
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    I had a situation not too long ago on a dial-up...

    I had a situation not too long ago on a dial-up site. I had been connecting to it for about a year then one day it stopped working. I knew something had changed. I checked my computer, settings and...
  7. Replies
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    How did your interview with C&L go? I heard their...

    How did your interview with C&L go? I heard their supervisor in Las Vegas quit and moved back to California. He didn't like C&L anymore. Not a good sign.
  8. Replies
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    18-20 degrees may be too high under certain...

    18-20 degrees may be too high under certain circumstances. Example: 100*F outdoor temp, 80*F indoor DB, 67*F wet bulb= approx. 7*F S.H.

    In this scenario, 18-20 would be too high (starving evap)....
  9. Replies
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    Good point. Thanks!

    Good point. Thanks!
  10. Replies
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    Yes. They have 2 full time sales guys and the...

    Yes. They have 2 full time sales guys and the California sales guys often have accounts that also have locations in Las Vegas.
  11. Replies
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    [QUOTE=Balibe;1827853]Which manual did you look...

    [QUOTE=Balibe;1827853]Which manual did you look at regarding the sensors. Look on page 30 of the Installation manual [Form 48A-3SI]. Plick is correct on the sensors, any one of the 3 will work you...
  12. Replies
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    That's what I'm trying to do. One of the building...

    That's what I'm trying to do. One of the building owner's problem is they have 4 buildings in this complex and 3 are set up with pneumatic controls (the 4th is just unitary units). This was a big...
  13. Replies
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    Unit M#48AJM060LH-611FK. The unit does have a...

    Unit M#48AJM060LH-611FK. The unit does have a keypad display with the ComfortLink controls. It has a CCNWeb connected to a phone line. I'm not sure why they installed this. Without zone control, this...
  14. Replies
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    Regarding space sensors, I read the manual on...

    Regarding space sensors, I read the manual on this unit and it only mentions using one space sensor. There are 3 different models that can be used (T55, T56, or T58) but I can only use one at a time....
  15. Replies
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    No:(....I wish they had re-heat. They should...

    No:(....I wish they had re-heat.

    They should have installed a straight cool unit with hot water re-heat....I don't know why they have a gas pack.
  16. Replies
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    You make a lot of good points. The use of the...

    You make a lot of good points. The use of the building has changed. I did consider installing a separate unit for that suite. If I remember correctly, on the old VVT (I've worked with GenII a little...
  17. Replies
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    That's what I was told by a Carrier friend today...

    That's what I was told by a Carrier friend today (he finally called back). He recommended the 3V. He is going to put a price together for us so we can give it to the customer. I will look into the...
  18. Replies
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    2,232

    No re-heat in the boxes...heat comes from the...

    No re-heat in the boxes...heat comes from the unit. The boxes are pressure independent.
  19. Replies
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    2,232

    Thanks. I'm going to try this. Do you think (for...

    Thanks. I'm going to try this. Do you think (for now) I can install a space sensor for this computer classroom so the unit runs off it? This way, when they have a full class, they can have better...
  20. Replies
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    You are right....we don't know anything about...

    You are right....we don't know anything about CCN....that's why I posted the question. I'm doing research (I've called Carrier, I'm reading the CCN manual, and asking other people) to find out if...
  21. Replies
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    Carrier M#48AJM060LH-611FK.....turning down the...

    Carrier M#48AJM060LH-611FK.....turning down the temp. is a good idea (at least to get them by). I'm afraid that's what previous contractors have done in the past and that's why the problem hasn't...
  22. Replies
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    Carrier zoning system and CCN

    We currently have a building that has old pneumatic thermostats that basically just open or close a supply damper for each zone. The unit, a 60-ton Carrier gas pack RTU, is controlled by Carrier...
  23. same here.....the welcome page is on but the...

    same here.....the welcome page is on but the login or search don't work....I think it's a great site. Our company has found a lot of good techs there but I have noticed over the last few days we...
  24. Replies
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    If you do decide to come to Vegas, send me an...

    If you do decide to come to Vegas, send me an e-mail. I can tell you which companies to interview with and which ones to stay away from.
  25. Replies
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    great article. Thanks Davids1964!

    great article. Thanks Davids1964!
  26. Replies
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    Vegas is great. I've been here for 2 years doing...

    Vegas is great. I've been here for 2 years doing commercial. There are alot of companies that don't know what they are doing. That makes it easier for us to get new accounts. Pay varies. Look for a...
  27. Replies
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    Inefficient compressor wouldn't give you those...

    Inefficient compressor wouldn't give you those pressures....you need to know superheat and subcooling....if you have low pressure and low superheat it means one thing, low pressure high superheat...
  28. Replies
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    http://trane.com/CPS/uploads/userfiles/dxunitarysy...

    http://trane.com/CPS/uploads/userfiles/dxunitarysystems/packaged%20rooftops/rt-prc030-en_06222007.pdf
  29. Replies
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    Look for Ontario Refrigeration in Las Vegas. They...

    Look for Ontario Refrigeration in Las Vegas. They are currently hiring.
  30. Replies
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    They sell small pumps for the mini-splits. It's a...

    They sell small pumps for the mini-splits. It's a 2 piece pump. It has a float switch which mounts in the back of the indoor unit where the lineset connects to the evap coil. The other part is the...
  31. Replies
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    Carrier condensate pan

    Has anyone ever replaced a condensate drain pan on a Carrier commercial unit?

    M# 50TFQ005

    I'm just wondering if we have to remove the evap coil or if we can just slide the drain pan out. The...
  32. Replies
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    I think CommtechinVA is on the right track. I...

    I think CommtechinVA is on the right track. I have seen this on some Trane units. Check amp draw and voltage to motor. A while back, I saw a device at a local supply house here in Vegas. It's an...
  33. Replies
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    my e-mail address in now on my profile. Thanks

    my e-mail address in now on my profile.

    Thanks
  34. Replies
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    Aus, I think you are right. I think Telink. Here...

    Aus, I think you are right. I think Telink. Here are the numbers on the back of the box: 3504N029807 00-02-52-00-0E-9C. Thanks!
  35. Replies
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    Aus...when I click on your pdf attachments, I...

    Aus...when I click on your pdf attachments, I only get a blank page. Do you know the website where I can download the attachments from?

    Also....when I dial into the systems, I use a network...
  36. Replies
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    that's the thing....I can't find any other CCN...

    that's the thing....I can't find any other CCN boxes. It looks like the CCN-to-ethernet converter is connected directly to the ComfortLink controls on the RTU. Should I have a controller somewhere?...
  37. Replies
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    Yes. I'll get model #s today. What all do I need?...

    Yes. I'll get model #s today. What all do I need? RTU model #?
  38. Replies
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    CCN to Ethernet converter box

    We have a new customer with 3 two-story buildings (all set up identical) in the same complex. The buildings are from the 80's (and running dual pressure pneumatics :() but the roof top units were...
  39. you have to buy their cable.....Also, make sure...

    you have to buy their cable.....Also, make sure your port is set up properly on IBEX under port configuration. Do you have the book on how to set up the COM port?
  40. Replies
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    Alerton Envision IBEX ver. 2.1

    Does anyone have Operator's Manual LT-MAN-OBW-WIN and Developer's Guide LT-MAN-DEV?

    Thanks in advance for any help.
  41. Replies
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    hey guys......I couldn't log on Tuesday night and...

    hey guys......I couldn't log on Tuesday night and I was out of town last night. So, I went back and removed the excess charge (about 5.5 lbs) and the unit is working properly!! When I was done, the...
  42. Replies
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    beenthere......good observation, thanks a...

    beenthere......good observation, thanks a million. I have to go to the jobsite on Tuesday and recover 5.5 lbs. I will let you guys know what happened. Also, thanks for the paperwork you sent me.
  43. Replies
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    beenthere.....:eek: 7 ounces?? do you know where...

    beenthere.....:eek: 7 ounces?? do you know where I can get this paperwork? I wonder if thats the problem? When I called, they said 7 lbs for that coil and the amount I recovered was about 23...
  44. Replies
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    dickm81.....in the cooling mode ( typically) if...

    dickm81.....in the cooling mode ( typically) if you have a restriction on your metering device at the indoor coil the refrigerant tends to back up in the condenser and the pressure start dropping....
  45. Replies
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    beenthere......I don't have the actual M# of the...

    beenthere......I don't have the actual M# of the indoor unit. When we weighed out the refrigerant we did call the distributor and they told me that this perticular indoor coil needed 7 lbs. When I...
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    jrbenny....I will get that on Tuesday when I go...

    jrbenny....I will get that on Tuesday when I go back.....they kicked me out Friday because they were closing the doors.

    I will post what my readings are on Tuesday for dickm81 and jrbenny...Thanks
  47. Replies
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    dickm81.....I have not checked the outdoor TXV...

    dickm81.....I have not checked the outdoor TXV and I didn't check the wetbulbs yet. I'm going back Tuesday (it's an office and they are closed Mon. for holiday). They unit doesn't have any charging...
  48. Replies
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    York heat pump high discharge pressure

    I'm working on a York heat pump M# E1RD060S06B. It has an intermittent problem in the heat mode (ran fine in the summer). Sometimes it runs high discharge pressure and trips. Most of the time it runs...
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