Unanaswered Summit Questions

[jogas]

I asked the following questions in another thread, but they were not answered:
Is there a Document that fully explains how Trane would like to see a CV Voyager w/ VFD and Heat/Cool VAV system work? I'd like to do the job I'm on right, and will if I can get a good sequence of operation.
Also, how do I properly link analog and binary values between summit (and summit CPL), and the MP581? When I do this it sometimes works and sometimes doesn't. Especially the CPL. I sometimes get the right CPL saved value, and other times it goes to zero. Do I have to create some kind of memory buffer to hold the previous value, 'til the next value is sent?
Questions, questions...and more questions.
jogas

[vbhvac]

There is no sequence of operation for CV Voyager with VAV boxes usiallly it is fileld programmed in tracer-summit, if there few VAV boxes 12- at most 15 i am running routine to calculate the number of heat cool callers amd make decision based on that, sometimes based on OA unit is running in heat or in cool only through CPL which will drop or raise SP, so unit will run in heat or cool only, in you case it looks like this decision is made in MP580 and it does not work too good. You told something about Space pressure SP - is this SP in Voyager editor or somewhere else?

[jogas]

There is no sequence of operation for CV Voyager with VAV boxes usiallly it is fileld programmed in tracer-summit, if there few VAV boxes 12- at most 15 i am running routine to calculate the number of heat cool callers amd make decision based on that, sometimes based on OA unit is running in heat or in cool only through CPL which will drop or raise SP, so unit will run in heat or cool only, in you case it looks like this decision is made in MP580 and it does not work too good. You told something about Space pressure SP - is this SP in Voyager editor or somewhere else?

There are 18 VAV's on one RTU and 24 VAV boxes on the other RTU. Besides load diversity, what are you concerned with when using this setup on systems having over 15 VAV boxes? This is important as I don't want to be wasting time trying to make something work that has no chance.
Is there any info on the "Votes" and how they are supposed to work. Again, it's very hard to get the system to run right if I don't know the manufacturer's intent
The static pressure bypass damper is controlled by logic running in the MP581. I'll have to look at the logic to see what it's doing.
jogas

[BBusby]

Referencing points is done in the unit editor in Tracer Summit workstation.Go to the standard graphic right click on any point,select edit,go to analog page and click on the box to the left of variable edit space.Now click on the box to the right of variable edit space (has three dots in it) this is were the referencer would be assigned. This could be a point in another controller or one of the four point types setup in Tracer Summit databases. Now if the 581 is using these values is another story.Normally if they are being used the name will appear on the edit pages fo the controller.Can you see any of the programimg or the 581?

[jogas]

Referencing points is done in the unit editor in Tracer Summit workstation.Go to the standard graphic right click on any point,select edit,go to analog page and click on the box to the left of variable edit space.Now click on the box to the right of variable edit space (has three dots in it) this is were the referencer would be assigned. This could be a point in another controller or one of the four point types setup in Tracer Summit databases. Now if the 581 is using these values is another story.Normally if they are being used the name will appear on the edit pages fo the controller.Can you see any of the programimg or the 581?

I do have Rover, and can see all of the Summit Tracer Variables (analog & binary) and also the Local Variables (analog & binary). I see that there is programming in the MP581 at the Local Variable level that is trying to go up to the Summit level. And there is Summit Tracer Variables (analog & binary) that is trying to go down to the MP581 level. Most of these were not linked. That is why the economizer would open even though 2 stages of DX cooling, or 2 stages of heat were on. I've got some things working, but need to know exactly how these points are supposed to be set up at the 2 levels to talk to each other.
When I look at the MP581 thru Summit Setup, I can see the Tracer Summit Analog and Binary Variables. I cannot see the local variables
There was no changeover point, so I created one that I linked to the Voyager economizer enable/disable. And I have a CPL that has a saved value for the number of stages cooling the system should be running. I'm thinking there is enough "pieces parts" to get the system to run properly, they just all have to be linked together properly.
jogas

[vbhvac]

Jogas I see your pain. unfortunately this set up does not seems to be cut and dry, something missing, if you want email to me phone number of the site and rcf and tgp files i'll try to see what is going on and help you with what you need to do