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Type: Posts; User: jon harmon

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  1. Replies
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    tlp261- enlighten me on that particular line of...

    tlp261- enlighten me on that particular line of Honeywell control
  2. Replies
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    Shaded-great info listed there. I was playing...

    Shaded-great info listed there. I was playing around with some of the free stuff last night.

    Carnak-located in Indy.
    Ventilation air at 20cfm/person x 1500 people=30,000cfm
    That will be max...
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    I am located in Indianapolis I want to use...

    I am located in Indianapolis

    I want to use these to control a project that I am bidding on. Basically it will control 5 to 6 air rotation units, a direct fired mua, some exfiltration fans and the...
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    1,371

    I am looking to pick up a line of moderately...

    I am looking to pick up a line of moderately priced building controls and am looking into Basys. Anyone with comments on this product line? How is there service, are they responsive to you and your...
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    Carnak- I will request those calcs from the...

    Carnak- I will request those calcs from the engineer as well. I am giving a budget number for installation to the customer based on preliminary load calcs furnished by the equipment manufacturer. I...
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    I am looking for calcs for a project that I am...

    I am looking for calcs for a project that I am bidding. It is a totally open pre-engineered metal building (157,000 Sq. Ft.) with an average ceiling height of 34 feet.

    Let me be clear about this....
  7. Thread: Terminology

    by jon harmon
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    974

    Anyone interested in giving a tutorial on the...

    Anyone interested in giving a tutorial on the different communication types i.e. Lonworks vs. Bacnet etc...
    Who uses what? If a system is lon can it communicate with a different Manufac. as long as...
  8. Replies
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    1,805

    ACJourneyman I wish it were that easy. The way...

    ACJourneyman I wish it were that easy. The way I understand it the CT is a Trane component or at least their approved vendor. It does not actually control the vanes on the CVHE it only is in there...
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    1,227

    I agree with the others. Demand a detailed ISO...

    I agree with the others. Demand a detailed ISO or walk away. How many tons are we talking about?
  10. Replies
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    1,805

    I have a serious problem with this Chilltroll. ...

    I have a serious problem with this Chilltroll. Is there anyone who is familiar with them? I will list a brief description of what is(or is not) happening.
    1.) Chilltroll controls an older CVHA and...
  11. Replies
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    Be careful not to bite off more than you can...

    Be careful not to bite off more than you can chew. Order a stop major for your machine, it is worth the cost. I would highly recommend having Carrier do the winter service so you can observe. I...
  12. Replies
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    856

    Slimwoodie I think your a little full of...

    Slimwoodie I think your a little full of yourself. It is not rocket science to set up a power burner. I fully understand the consequences of an improperly set up power burner, that is why I asked...
  13. Replies
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    I would be inclined to think it is a function of...

    I would be inclined to think it is a function of initial cost -vs- longevity of the system. I certainly am not an engineer but I would suspect energy and maint. costs are higher with unitary as...
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    Hey utcared, I also spent time with Carrier...

    Hey utcared, I also spent time with Carrier Commercial Service. That was my first exposure the Vac-U-Guage as well. I used mine with outer shell cracked/even with a chunk of the glass missing. As...
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    deanmachanic Thanks for the reply. As to my...

    deanmachanic Thanks for the reply. As to my quals, I am a UA journeyman service tech. I completed a check of all safeties including a pilot turndown test. I just have not done a lot of anylizing...
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    3,263

    Will a wet bulb indicator work on an aborber?

    Will a wet bulb indicator work on an aborber?
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    794

    I need a crash course in combustion anylization. ...

    I need a crash course in combustion anylization. I have to set up a power burner with an anylizer but have not had the opportunity to go to school as of yet. I asked this question under the post...
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    oil2-4-6-gas I am in Indianapolis. Any help...

    oil2-4-6-gas I am in Indianapolis. Any help would be greatly appreciated.
  19. Replies
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    856

    Slimwoodie- I didn't change the motor. The...

    Slimwoodie- I didn't change the motor. The controller was bad leaving the motor in low fire position. Probably a previous contractor or a maint. guy had set the firing rate up to provide sufficient...
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    Anyone have contact info for a Cyclotherm boiler....

    Anyone have contact info for a Cyclotherm boiler.
    S/N 25492
    Type CW35-N-SP
    MBH 3350

    I am wanting to set the burner back up to spec's. The original Series 90 control for hi/lo fire was bad and ...
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    Why are you going to an automatic reset?

    Why are you going to an automatic reset?
  22. Replies
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    2,291

    or possibly a vacuum break as opposed to the...

    or possibly a vacuum break as opposed to the legendary vacuun type
  23. Replies
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    2,291

    Is there a vacuun break on this exchanger?

    Is there a vacuun break on this exchanger?
  24. Replies
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    I have 4 Sellers boilers at an apartment complex....

    I have 4 Sellers boilers at an apartment complex. There is no info on these boilers. The model #C125W it is a hot water boiler with inshot type burners. This is the first time I have seen this...
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    Hey guys, I have a series 90 control and...

    Hey guys, I have a series 90 control and wondereing how to go about calibrating the stat. It is driving a 9185D1004 actuator (spring return) for the heat valve. THe actuator does stroke open on a...
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    I'm not exactly sure what Service Assistant is...

    I'm not exactly sure what Service Assistant is but I did a project for Enron checking Simon property malls with something probably very similar. It was a gauge manifold that also connected to a...
  27. Why would you not want to use enthalpy sensors as...

    Why would you not want to use enthalpy sensors as opposed to dry bulb? Other than min. postion I dont want my OA dampers open above 55 degrees with low humidity. On Honeywell W7200's I use setting...
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    The point of asking what the pressure drop...

    The point of asking what the pressure drop through the condenser would be is to determine adequate charge, correct? If that is the case, then that info is is not pertinent to determining accurate...
  29. Also make sure that inlet and outlet are marked...

    Also make sure that inlet and outlet are marked correctly. I was at Carrier for a couple and had to make a few warranty repairs on some chilled water coils due to mislabeling from the factory.
  30. Replies
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    My whole point is that what you read for...

    My whole point is that what you read for compressor discharge is essentially your condenser pressure. Whatever pressure drop, if any will be irrelevant. The distance you stated is minimal and I...
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    How does one measure sub-cooling? Saturated...

    How does one measure sub-cooling?

    Saturated condensing temp. minus temp. measured at the condenser oulet.


    Now, define saturated condensing temperature.
  32. Replies
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    How large of a system are we talking about? Line...

    How large of a system are we talking about? Line loss on any type of packaged equipment would be neglible. For that matter, it would have to be a pretty good distance to make any difference on a...
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    I love it when I double post!!!!!!!!!!!Brilliant

    I love it when I double post!!!!!!!!!!!Brilliant
  34. Replies
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    What does Pascal's law say? How could you know...

    What does Pascal's law say? How could you know the hot gas pressure and not know the condenser pressure?
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    Was it Pascal that said "A confined fluid expands...

    Was it Pascal that said "A confined fluid expands evenly in all directions"

    If you know your hot gas pressure, how could you not know your condenser pressure?
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    Gone404 it is true that you will have hacks on...

    Gone404 it is true that you will have hacks on either side of the union fence. The main problem is when you have techs that settle for less than the market will pay, which allows a company to bill...
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    acjourneyman if you would have read the original...

    acjourneyman if you would have read the original post you would have seen that it is a new account of my companies. A very good UA signatory contractor. I personally am not that experienced with...
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    I just got back from the movies. My daughter's...

    I just got back from the movies. My daughter's wanted to see 13 t0 30. That was not only a chick flick, but a teen chick flick.

    It is a two pass and I didn't log the unit today. It is running...
  39. Replies
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    M/n PCV-3F-C2D2 S/N L2J15732 Oil is a couple...

    M/n PCV-3F-C2D2
    S/N L2J15732
    Oil is a couple of inches below the glass. Unit was at full load. Is it possible to log oil in the cooler on these? On some of the Carriers I have encountered they...
  40. Replies
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    Need a little help from the crew. I have a...

    Need a little help from the crew. I have a sidewinder on a new account of mine and don't have any info for it.

    Starter is a Cutler-Hammer. This is apparently an open transition as there are no...
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