Type: Posts; User: WHO_IS_I_AM
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Have 400+ installed, work great, good tech support, continuing development,
and has all the bells and whistles i wanted..
yes, this is the typical vav SOO(sequence of operation) ,use for the last 100 years, calls for delivering constant temp air to all the zones,, all the time
sounds like a vav single zone with...
Yes thats a typical method that has been used.
but 1.5"wc return plenum static seems high to me
more like 0.5"wc unless there is considerable distance between the fans..
you control the relief...
Energy savings from 10% to 30% are usual from a DDC install. Setpoint control (better Source-Load matching), reduction of simultaneious heating and cooling and scheduling gives you most of the bang,...
i may be able to help you. Drop me an email, in profile.
yep, you need to flag each point you want to have visible on the IP network...
but you need the controller configuration software, Edifice to do so.
its on the second tab marked setup... :)
If they are older than 2 years than not likely Bacnet.
Firmware has to be specifically Bacnet version.. is upgradeable depending on hardware version of course..
configuration software is doggled...
Pick one of the good guys, like Delta or Alerton or xxxxxxx (can i say that ! :angel:)
someone with a nice Bacnet OWS front end that you can live with..
get one of their smallest system controllers...
Floating/digital is the poor mans option.
Use the Mod/Analog if you can.
Get the position feedback option too if you can use/see it.
it often is more of a function of what your connecting it too...
so if they did burn the house down..
could they sue you for malpractice?
I remember using N to pressurize lines while brazing to prohibit scale and oxidation of the copper during brazing. not sure what moisture has to do with it. Its the O thats corrosive..
as far as...
I sold Adam and Eve the first Rheem!
There are a few settings in the DSC that could be impacting things..
You can set the APDU timeout and retries, mstp max masters, and the type
of data exchange for each point. Could be something...
The concept is intriguing though.
an algorithm to adjust the algorithm that adjusts the ,, algorithm.
at some point in time, it became apparent that 'normal or constant' control...
its all over the net, just search for it.
Logical Analog Input (LAI)
Logical Analog Output (LAO)
Logical Digital Input (LDI)
Logical Digital Output (LDO)
Logical Fast/Slow/Stop Latched...
Doesn't sound like you missed anything,
you likely just have a doggle that no do Illustrator.
321-E early ethenet key..
i'v got a keychecker progm that might help if you could update your...
so you fixed it.
obviously the velocity controller..
many of those must have a velociy pressure of some sort to function at all.
check the vp probe with a mag or water gage, also check the...
Teletrol- GPL & XML line code
imho, they all should have just stuck with Basic
its the easiest to understand and has enough flexiblity to do just about anything one would want in...
it is all about power
eventually it has to be a lower cost vav controller and room sensor.
one would think that someone would have a one wire solution already, power + comm .. i mean we've had...
yep, it is about our freedoms. she got it right, we are being reamed.
must of been a subconcious slipup thing..
yes i would agree, all energy efficient control strategies use some kind of realtime reset to accomplish increased comfort and energy reduction.
the original question was
VAV4 V5.1, is the firmware, and was the last version made for the proprietary V2 VAV controllers, 1999, was likely an IZ (Intellizone) product which ended in 98-99 when they released the bacnet...
Must be an excellent control system!! lol
Was offline,default values..
Yes, Roof top units. that was/is the entire bulding, and agreed, i try to use
keys for a piece that is...