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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
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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.
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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...
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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...
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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.
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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!
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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.
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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...
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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...
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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...
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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....
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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.
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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...
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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...
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    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.
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    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...
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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...
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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...
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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...
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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.
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    great article. Thanks Davids1964!

    great article. Thanks Davids1964!
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