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  1. Mobile device emulator probably.

    Mobile device emulator probably.
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    217

    In the manual of the unit there should be a...

    In the manual of the unit there should be a blower performance chart. That with your total external static pressure reading (return and supply pressure added) you should be able to get a reasonably...
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    if you have premiere links you do not have rotary...

    if you have premiere links you do not have rotary switches. All the configuration is done through either the pilot or software. The rotary switches were on the first generation of VVT with Parker on...
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    578

    If you have VVT with the 33ZC controllers they...

    If you have VVT with the 33ZC controllers they actually work well and are not that difficult to troubleshoot. Having the system Pilot is a major bump to overcome and in my opinion a PIA. Carrier has...
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    578

    The driver is very limited on what can be...

    The driver is very limited on what can be integrated. Not all points will be able to be discovered. Research it further.
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    Very nice

    Very nice
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    You can with triacs.

    You can with triacs.
  8. Replies
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    578

    The pilot sucks and yes it sounds like you have a...

    The pilot sucks and yes it sounds like you have a communication issue. I have an old Carrier bus diagnostic utility but I am pretty sure it will not run on anything newer than XP. Check your email
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    231

    Bacnet setup tool. Here...

    Bacnet setup tool. Here
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    736

    They have tote bags now if you haven't seen them...

    They have tote bags now if you haven't seen them already.
  11. Replies
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    969

    55 degree ambient, 30 subcooling, what is the...

    55 degree ambient, 30 subcooling, what is the liquid line temp? 50 degrees?
  12. Replies
    37
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    969

    Then why would you say the condenser is very...

    Then why would you say the condenser is very clean I your first post? Good luck. Replace the unit it's fubar. Can only imagine what the evap actually looks like
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    969

    Now I fully understand the issue. I like beermes...

    Now I fully understand the issue. I like beermes fix.
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    736

    Just seen this today on line. It appears that it...

    Just seen this today on line. It appears that it is better designed as laptop/tool bag verses the larger version which does not seem to aimed at holding a laptop, just a tablet. The LT is a little...
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    969

    Then how do you explain the 230 psi head pressure...

    Then how do you explain the 230 psi head pressure at 55 degree ambient? You are going to need to figure that issue out.
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    969

    With a 55 degree ambient, 230 head pressure and...

    With a 55 degree ambient, 230 head pressure and 30 degree subcooling, what is controlling the head pressure? Your head pressure jumping to 320 on start up with 55 degree ambient temp makes me think...
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    The little old man getting shot by accident...

    The little old man getting shot by accident doesn't sell news papers so maybe that's why. How many times is the innocent person killed while knowing he or she has a fugitive, that doesn't exactly...
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    They were sharing the gas bill for everything...

    They were sharing the gas bill for everything with that cross connection. I would be more interested of a video of your expression when you walked in and seen that cluster. Plus you must have balls...
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    360

    Look up Mitsubishi Red Link

    Look up Mitsubishi Red Link
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    618

    I have seen this issue many times and have found...

    I have seen this issue many times and have found the second tap of the transformer not outputting 24VAC which is used for the compressor 1 and 2 safety input which is fed through CR1 and CR2 and the...
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    3,546

    Looks like the outlet has a switch, safety must...

    Looks like the outlet has a switch, safety must have been on their mind. :(
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    618

    Do you have 24 volt at the compressor safety...

    Do you have 24 volt at the compressor safety inputs on the board? There is a dual tapped transformer and only one tap is protected by a breaker or fuse, the other has a fuse buried in the transformer.
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    558

    Things can be knocked loose between the factory...

    Things can be knocked loose between the factory and the roof.
  24. Thread: Carrier 19XRV

    by hvac69
    Replies
    1
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    316

    Serial number is needed. Direct immersion sensor,...

    Serial number is needed. Direct immersion sensor, HH79NZ059 if serial number is prior to 4101QXXX.
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    181

    My guess without knowing what the point is would...

    My guess without knowing what the point is would be that the controller is not allowing the point to be written to.
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    182

    If the OCC Heat is set higher than the OCC Cool...

    If the OCC Heat is set higher than the OCC Cool that is a problem. Cool setpoint needs to be higher than heat setpoint. Recheck the occupied cool, standby cool, unoccupied cool, occupied heat,...
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    I had my cert in Richmond 8 years ago and have...

    I had my cert in Richmond 8 years ago and have seen the training material and tests of MOV and there us huge difference. Vern has an easy going personality and Richmond was like boot camp. I have...
  28. Is the old condenser a Trane? If so the control...

    Is the old condenser a Trane? If so the control transformer is usually in the condensing unit. If your original condensing unit had the transformer in it and you are using a basic thermostat like the...
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    His classes are like a vacation compared to the...

    His classes are like a vacation compared to the AX courses in Richmond. The 4 days in class in Richmond were the craziest I have ever spent.
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    That is a slick design.

    That is a slick design.
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    358

    I thought the blue light was Kmart and the blue...

    I thought the blue light was Kmart and the blue koolaid was JCI?
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    Translation; Looking for pirated copy of software...

    Translation; Looking for pirated copy of software not available to non JCI.
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    Pre-requisite: There are pre-course study...

    Pre-requisite:
    There are pre-course study materials in the form of Computer-Based Training modules that enrolled students will need to complete before they come to class. These materials will take...
  34. Here is an option. Kele UCS-221E 2-STAGE...

    Here is an option. Kele UCS-221E 2-STAGE SEQUENCER
  35. Thermostat analog output will probably not be...

    Thermostat analog output will probably not be able to drive a DC coil of a relay. Considering the thermostat cooling output is 2-10VDC I think you may find that using a solid state relay will not be...
  36. I have seen many strainers, balancing valves and...

    I have seen many strainers, balancing valves and even connecting hoses full of rust and sludge. Pull them apart, back flushing does not always work.
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    The last ones I had with those symptoms nothing I...

    The last ones I had with those symptoms nothing I did corrected it. Ended up replacing them.
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    390

    For an induction load I would use voltage and...

    For an induction load I would use voltage and horsepower as deciding factor.
  39. Thread: Drake Chiller

    by hvac69
    Replies
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    1,006

    Had a Carrier RTU that two out four TXV bulbs...

    Had a Carrier RTU that two out four TXV bulbs were on the wrong circuits from the factory.
  40. Thread: Drake Chiller

    by hvac69
    Replies
    27
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    1,006

    With that much material in the driers I am...

    With that much material in the driers I am wondering what the ORI and bypass valves look like internally or if they are even operational.
  41. Thread: Drake Chiller

    by hvac69
    Replies
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    1,006

    Oh well. Not my problem anyways.

    Oh well. Not my problem anyways.
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    Is this network part of the building network or...

    Is this network part of the building network or just for hvac and now door control? If it is part of the buildings structured network they need to adhere to the network structure Which apparently...
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    There is program that is needed to change it, but...

    There is program that is needed to change it, but I have never done it though. If you also have BACnet IP devices you will have to change every device address as well that is using BACnet IP. Is this...
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    Amazing they push the issue to you when they are...

    Amazing they push the issue to you when they are the ones that caused it and would be easy for them to fix. All they need to do is address their door controller to match the existing network...
  45. Thread: Drake Chiller

    by hvac69
    Replies
    27
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    1,006

    Model of chiller, refrigerant, self contained or...

    Model of chiller, refrigerant, self contained or split? If split, what is the length and size of discharge and liquid lines. Pressures, superheat and subcooling readings? With that pressure drop I...
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    Are the 15 stations listed under...

    Are the 15 stations listed under Station/Config/Drivers/Niagara network?
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    643

    The license file.

    The license file.
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    263

    The CCN driver does not support maintenance...

    The CCN driver does not support maintenance tables along with other configuration tables as you can see which ones are gray. There used to be an enhanced version driver listed, also grayed out. I...
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    The setpoint limits are not in effect if The...

    The setpoint limits are not in effect if The thumb wheel is disabled. Disabled means they can play with the setpoint until their fingers fall off and nothing will happen and your setpoints will be...
  50. Replies
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    318

    Not knowing exactly what controllers you have...

    Not knowing exactly what controllers you have this is an example of a typical VAV. If the high setpoint limit is set to 74 and the thumb wheel is set to 85 the active cool setpoint will be 76 and and...
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