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We had a machine shop make extended shafts for the old ccp dampers drilled and cotter key works great

Originally Posted by daniel_110

thank you for the reply, im not sure i understand what you mean by wired for comm??

At the zone sensor. 1,2,3 are zone temp, ground, and setpoint. If the stats have a comm wire it should be landed on 5&6 IIRC. Unless the stats have comm wired to them you can’t plugin to the comm jack.

Originally Posted by roadgear16

If they wired them for comm, you can use Rover to view the controllers but not the CCP/Varitrac.

thank you for the reply, im not sure i understand what you mean by wired for comm??

i have done this conversion multiple times. once you get the gearset out which is pretty easy if i remember correctly. a couple screws and a couple set screws on the actual damper shaft. then you will need a shaft coupler, i get something similar this one from amazon or grainger, needs to be 3/8" bore. Climax Part CC-050-037 Mild Steel, Black Oxide Plating Clamping Coupling, 1/2 inch X 3/8 inch bore. the shaft is close to a 3/8 off the main gear. be careful of the outside diameter, some actuators will not fit the 3/4 OD of the shaft coupler. for smaller actuators you will need to get some round stock, I use 1/2 aluminum and cut like a 6" piece on it. since the above coupler is for 3/8 and 1/2 this will work. you will need to space out the actuator to make it work this way. it's a little ugly but it works.

Originally Posted by daniel_110

Hey all, This forum changed a bit since the last time i was on here so I couldn't figure out how to post a new thread Im looking for some Veritrac help, does anyone know if you can plug into the small phone jack on the side of the zone sensors and see the system, or is that just a factory use only port? I've been working on an older veritrac system in a building we just took over and the panel is on the 3rd floor in the attic and the dampers are all down on the first level, im all about a little exercise at work but dam I was dog tired when I left there the other day. not to mention its a Dr of office and the screening every time I go in and out the door.

If they wired them for comm, you can use Rover to view the controllers but not the CCP/Varitrac.

Hey all, This forum changed a bit since the last time i was on here so I couldn't figure out how to post a new thread Im looking for some Veritrac help, does anyone know if you can plug into the small phone jack on the side of the zone sensors and see the system, or is that just a factory use only port? I've been working on an older veritrac system in a building we just took over and the panel is on the 3rd floor in the attic and the dampers are all down on the first level, im all about a little exercise at work but dam I was dog tired when I left there the other day. not to mention its a Dr of office and the screening every time I go in and out the door.

Trane Varitrac damper retrofit

I am trying to retrofit one of these Trane dampers. Did anyone ever find a shaft extension that works with this damper shaft so I could add an actuator. If so can you tell me what the part # is? If not it looks like I may need to get one fabricated.

Thanks Alcomech

That is a synchronized type motor. Power to open, power to close.

Blue/common 24 VAC: 0.37 AMP
Black/Open
Red/Close

That would be nice but you know salesmen, "was not in my quote", as I found out yesterday, even the motors are not in the quote. We are going to remove the controller and replace with Alerton and then reuse the existing clock motor "actuator" if it still works. Do you know what the wire colors are for the motor off the top of your head? It looks like red and blue going to the board, I assume clockwise and counter clockwise and common somewhere behind? Thanks for the help.

I get it, that's old timing stuff your playing with, early 90's maybe?
So are you going to take out the entire assembly including the UCM control and replace with a new controller. You then will be able to install a direct couple actuator such as the ML6161B2024, you may have to get a shaft extension and will use a reducing bushing to connect to the shaft.

You may want to consider installing a new complete low leakage damper along with static or velocity controller. Hope this helps

Yes, it is a VAV but it is not what I would call direct coupled, it is a OLD system and has the board and actuator (small clock motor and some reduction gears) all in one assembly. I am replacing with Alerton and hopefully a Honeywell ML6161 actuator I am going to attemp to attach a couple of pictures, one is of the board and the other is from below looking at the drive gears and end switches behind the board. My concern is that the main drive gear hub is giving me a indication that the actual damper shaft may be a 1/4" or less. If the pictures attach, on a side note, I am sure that the lower left terminals are comm, the upper right, power? Lower right???? Thank you for your response alcomech.

Attachment 334261Attachment 334271

Are you saying that you have a Varitrane VAV box with a direct coupled actuator? If so than it will normally be a typical 5/8 shaft and most brands will be compatible. You will need to make sure that it is a floating type control, Power to open and power to close.
The problem though will be in the connection to the UCM board which requires a wire harness. If you have an existing air valve actuator than you can simply reuse it. If not I would suggest buying OEM from Trane which make a direct coupled actuator along with harness installed.

Let me know if you need part numbers.

Trane veritrac dampers

Can anyone tell me what size the shaft is on a Trane Veritrac zone damper is and if you can mount a Honeywell, Siemens, or Belimo motor on them? Thank you