Search Results - HVAC-Talk: Heating, Air & Refrigeration Discussion

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Type: Posts; User: elfie

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  1. yes it has a motor starter could this be the...

    yes it has a motor starter

    could this be the problem? maybe the motor is OK?
  2. the air conditioning repair person came in and...

    the air conditioning repair person came in and declared fan motor needed replacement.

    hes planning to use a generic motor as older motor is not replaceable with the same motor model, I guess...
  3. Large system air handling motor burns out - why?

    fan motor is part of a 10 ton compressor AC system. and is not used very often.

    it failed to turn on and now the verdict by service firm is that it is burned out and needs replacement; its about...
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    392

    Steam boiler - pressure loss to quick?

    got a steam boiler that builds pressure to 4.5 psi and then when burner cuts off the pressure quickly drops from 4.5 to 1.0 in about 3-5 minutes.


    seems that loss of pressure is too quick for a...
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    778

    location of 3 way mixing valve (proportionally...

    location of 3 way mixing valve (proportionally controlled by a honeywell actuator) is about 25 feet from boiler; the 100 degree water is on the facility side of the mixing valve (ie. representing the...
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    MIXING VALVE - THERMAL SHOCK

    any risk with water being about 100 degrees on one side of mixing valve and 145 degrees on boiler side?

    how much risk to non-condensing boiler is there if the 100 degree water mixes rapidly with...
  7. Thread: aquatrol device

    by elfie
    Replies
    2
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    686

    thanks, wish we could find a timeclock for...

    thanks,

    wish we could find a timeclock for the W964f aquatrol device, when it was installed they didnt bother installing it - mindblowing how not so smart that was.

    timeclock is nice because...
  8. Thread: aquatrol device

    by elfie
    Replies
    2
    Views
    686

    aquatrol device

    have an honeywell aquatrol device (W964f) that controls the mixing valve

    but it does not have the quartz timeclock module to allow setback

    anyone have any ideas on how to get this? no longer...
  9. Replies
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    438

    pumps it seems can be shutoff , but the mixing...

    pumps it seems can be shutoff , but the mixing valve must be left partially closed when pumps are turned back on. otherwise the mixing valve opens up completely causing the boiler to be flooded...
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    438

    Mixing valve - turning off pump issue

    this installation has a hot water boiler that has a mixing valve controlled by an Aquatrol device. also there are two alternating pumps that are on 24 hrs.

    during warm days, its clearly not...
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    some sensors are connected to a jci unt 1144-0...

    some sensors are connected to a jci unt 1144-0 controller and the other sensors are connected to a unt 111-1; sensors are nickel


    two unreliable sensors are the only devices connected to one...
  12. Replies
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    N30 metasys temp sensor - unreliable

    the n30 system i am looking at has unreliable temp readings displayed for several zone locations

    have tested the devices by swapping in working devices and the same unreliable status indications...
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    375

    N30 installations - where are they?

    an organization i spend time at is challenged by their n30 metasys system and wouldn't it be great to speak with an n30 user from another organization who just might be able to help

    any ideas how...
  14. Replies
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    648

    Pump for Heating - necessary to be on 24 hrs

    in our facility, we have a hot water pump that is basically on 24 hrs per day. there are multiple heating zones supported by this pump for two buildings.

    its a large pump that over 6 months will...
  15. Replies
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    703

    ANY N30 METASYS EXPERTISE OUT THERE?

    would love to find someone who has N30 expertise; someone who can dial in to our system and do so basic maintenance and set up a schedule to control a water pump.


    also, we have some...
  16. Replies
    2
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    562

    Zoom Modem connection to metasys N30 issue

    I have achieved a dial up connection from my home PC to the metasys N30.

    the dedicated phone line connects to the zoom modem which is serial connected to the N30 panel.

    problem is that it...
  17. Replies
    3
    Views
    546

    Zoom Modem connection to metasys N30 issue

    I have achieved a dial up connection from my home PC to the metasys N30.

    the dedicated phone line connects to the zoom modem which is serial connected to the N30 panel.

    problem is that it...
  18. Replies
    7
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    603

    thks but not scamming for software??? abit harsh...

    thks but not scamming for software??? abit harsh without basis

    anyone have knowledge on this software's capability? usefulness?

    the n30 is very difficult to manage and improved useability might...
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    603

    N30 system in need of M3 workstation

    anyone know where i can find the software and is it very hard to install; I heard that jci doesnt offer it anymore

    its for a non-profit

    thanks for feedback:)
  20. Thread: N30 expertise

    by elfie
    Replies
    4
    Views
    560

    n30 schedule change questions

    hi,
    i am a volunteer and am learning about an n30 installed in a church (operates 10 hvac units in one bldg). the n30 has not been optimally maintained and no one really understands it.

    the...
  21. Thread: N30 expertise

    by elfie
    Replies
    4
    Views
    560

    N30 expertise

    i have a few questions about scheduling changes and a few other questions

    anybody out there who can help?
  22. Replies
    1
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    499

    searching for N30 expertise in NJ

    have an old n30 system (dos) that needs attention

    anybody know where i can find assistance?
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