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  1. Replies
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    I have never had that issue and have worked on...

    I have never had that issue and have worked on many of those including installing the software. Post the version of the software if you can. Considering how old the units are they will not update the...
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    The NDIO daemon is in the JACE and it...

    The NDIO daemon is in the JACE and it periodically verifies that status of the NDIO. If for any reason if it cant communicate with the NDIO it faults. It may also reboot the JACE if configured to and...
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    1,488

    It looks level and properly secured whats the...

    It looks level and properly secured whats the problem? :censored: idiots. Now I know why I have such low tolerance for stupidity
  4. Thread: solenoid valve

    by hvac69
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    315

    Possibly this...

    Possibly this http://cdn.globalimageserver.com/fetchdocument-rh.aspx?name=rknl-g-75-10-ton-consumer-literature
  5. Thread: solenoid valve

    by hvac69
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    315

    I would think reheat for dehumidification. Cant...

    I would think reheat for dehumidification. Cant seem to verify that though by the model number or option code. Possibly their Humid Dry system. Does the unit have a VFD? The upper solenoid looks to...
  6. Thread: Pump DP switch

    by hvac69
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    875

    Need some silicone around the cover and tighten...

    Need some silicone around the cover and tighten the screws :)
  7. Replies
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    258

    With the commissioning tool you should be able to...

    With the commissioning tool you should be able to monitor the output of the pmo that drives the physical output and see if they are dropping out together.
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    307

    Doesnt matter, just need to follow normal network...

    Doesnt matter, just need to follow normal network practices.
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    308

    The steam converters I have seen over the years...

    The steam converters I have seen over the years had the pneumatic actuators fail closed. 0 psi closed. Trying to identify that control no luck so far
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    753

    They have hinged doors with latches on the high...

    They have hinged doors with latches on the high pressure side of the supply fan. Imagine an 8 ft door with 2" of duct pressure behind it and you are not expecting it. Usually there are warning...
  11. Replies
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    Have worked on many and they are very common in...

    Have worked on many and they are very common in my area.
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    425

    Bare bones unit from what I can tell and would...

    Bare bones unit from what I can tell and would agree that the compressor is busted. I would look at flow rates through them.
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    Model and serial number? Modulating cooling and...

    Model and serial number? Modulating cooling and compressor unloading?
  14. Thread: CSST

    by hvac69
    Replies
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    1,067

    I remember seeing an apartment or condo complex...

    I remember seeing an apartment or condo complex in NE Philadelphia with this running along the entire outside of the building complex and it looked like crap. You could see it from the main road, I...
  15. Thread: CSST

    by hvac69
    Replies
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    1,067

    I always wonder would anything really matter if...

    I always wonder would anything really matter if lightning struck gas pipe, regardless of what it was made of? It rips trees in half.
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    1,592

    Hey, at least my eyebrows are still there.

    Hey, at least my eyebrows are still there.
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    224

    Go into properties tab of the schedule, look at...

    Go into properties tab of the schedule, look at the filters and set both for Any Day, Any Month, Any Year. Then save
  18. Replies
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    293

    Weather service is causing it. Disable it then...

    Weather service is causing it. Disable it then reboot. Weather service was changed from HTTP to https and Jace's are throwing a fit
  19. Look at the saturated condenser temp and see if...

    Look at the saturated condenser temp and see if it matches actual
  20. I would think cost of the transducers. I would...

    I would think cost of the transducers. I would assume the calculation is based on PT charts for the refrigerant type that is selected in the control.
  21. From what I remember they calculate it based on...

    From what I remember they calculate it based on outdoor and condenser temps.
  22. Replies
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    4,261

    There should be a trap on the lower coil before...

    There should be a trap on the lower coil before it continues vertically. Usually you will see a inverted trap as well at the top of the vertical riser. With a close coupled system like that it might...
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    4,261

    Bottom coil is probably full of oil as well. They...

    Bottom coil is probably full of oil as well. They did accomplish a full out WTF though.
  24. Replies
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    1,287

    I seen your reply after I posted. I also made a...

    I seen your reply after I posted. I also made a mistake when considering the subcooling when thinking about the charge. With the superheat that high and subcooling that low you either have a...
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    1,576

    Use the Ratio block in the palette. Link space...

    Use the Ratio block in the palette. Link space temp to x. x1 would be the low space temp setting input. x2 would be the the high space temp setting. y1 would be the desired discharge air setpoint at...
  26. Replies
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    1,287

    Get the subcooling up and superheat down to...

    Get the subcooling up and superheat down to normal ranges. The evap temps are below freezing.
  27. Replies
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    1,287

    Your numbers indicate 32 degrees of superheat and...

    Your numbers indicate 32 degrees of superheat and 1 degree subcooling. I would be looking at the charge and superheat at each evap.
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    The only thing I have seen guaranteed by permits...

    The only thing I have seen guaranteed by permits is that the local jurisdiction gets its share of the loot.
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    1,131

    Take the chance if it is something you want....

    Take the chance if it is something you want. Leave on good terms and be honest with your current employer as to why you are leaving.
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    378

    Has it worked for the last 30 years thinking...

    Has it worked for the last 30 years thinking something was correct at one point? If they are two individual condensers and evaporators stage them.
  31. There should be a tab under the diaphragm of the...

    There should be a tab under the diaphragm of the actuator that you slide.
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    Had a site where 3 of 5 of their computers that...

    Had a site where 3 of 5 of their computers that accessed 3.8 kept bouncing back to download page, even though the newest version of JAVA was clearly installed. IT dept ended up uninstalling and...
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    2,297

    Loss of charge safety and still ridiculous no...

    Loss of charge safety and still ridiculous no matter what they call it, even though they usually have higher cut out settings.
  34. Replies
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    263

    Check your private messages

    Check your private messages
  35. Replies
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    490

    The supply and return separated by 6 inches is...

    The supply and return separated by 6 inches is normal for the secondary loop. Still trying to picture the other piping
  36. Under the house shouldn't be any different than...

    Under the house shouldn't be any different than in an attic. Unless the under the house is wet than there is an different issue that needs to be taken care of separately. There are commercial AHUs...
  37. Replies
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    2,345

    Break the source of the 24VAC at the transformer...

    Break the source of the 24VAC at the transformer instead of to the thermostat and the unit will shutdown immediately..
  38. Replies
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    1,528

    Ball valve there so when the cap rots out. Good...

    Ball valve there so when the cap rots out. Good thinking. :grin2:
  39. Replies
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    Same one I am using. I will have to look at the...

    Same one I am using. I will have to look at the driver info when I get a chance.
  40. Replies
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    5,496

    #4 aluminum feeding 100 amp main breaker, feeding...

    #4 aluminum feeding 100 amp main breaker, feeding the bus with #12? Or is that the other way around?
  41. Replies
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    567

    AX will work. As stated the lon adapter should...

    AX will work. As stated the lon adapter should appear in the control panel, plus it should show in the device manager with no error if installed correctly. AX will not work with it if it is not...
  42. Make sure the path is to the png in the px file...

    Make sure the path is to the png in the px file is to the copy of it on the JACE and not to a directory on your computer. Also check the categories and make sure that the other users have the right...
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    Your thinking is correct, the resistor is...

    Your thinking is correct, the resistor is normally for the Fire panel trouble initiate. In your original drawing they are essentially using the trouble contacts for load control which they normally...
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    They just come back for more.

    They just come back for more.
  45. Replies
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    3,899

    I have thought it many times, but this time the...

    I have thought it many times, but this time the differences between the two are scary. One belongs in a jail and the other possibly institutionalized IMO.
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    3,899

    You are correct. The outcome of this election...

    You are correct. The outcome of this election scares me. This election looks like it will be truly the lesser of two evils.
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    I would call the control contractor then.

    I would call the control contractor then.
  48. Replies
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    626

    That is a 24VAC floating control spring return...

    That is a 24VAC floating control spring return actuator. There should be 3 terminals that are used for directional commands. The CCW or CW terminals are used to drive it in the direction you want. ...
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    Assuming you are referring to a DX9100. From what...

    Assuming you are referring to a DX9100. From what I recall and a quick check the DMO will not be much help. The DMO will show you what the output tag is. For example the DMO will list PID4's output...
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    I agree and what my first post was about. This...

    I agree and what my first post was about. This did go off the rail rather quickly.
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