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Old 04-26-2009, 01:14 PM   #31
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Trane XV90 cfm question


How much air it will bring in will depend on how much leakage your house has.

Ductulator isn't good for figuring out how much air a fresh air intake will move.

At a .15 return static. It could be bringing in 32CFM, or 60CFM.
Depending on the pressure in the house.

Open the front door and it will bring in more then with the door closed.
At 0F outside temp, and 70F inside temp, it will bring in more then when its 50F outside and 70F inside.

Turn on the dryer and bathroom exhaust fan, and it CFM will also increase.

Ductulator tells you CFM for X pressure loss(FR).

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Old 04-26-2009, 01:34 PM   #32
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Trane XV90 cfm question


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Originally Posted by key1cc View Post
Here is the link to amazon. When I purchased it it was $60 bucks....price has gone up to $78 through Amazon (I suspect you can find it cheaper elsewhere).
http://www.amazon.com/Dwyer-1-0-Wc-M...755113&sr=8-14
Here is one of those cheaper places that Key probably refers to, about 1/2 price of Amazon:

http://cgi.ebay.com/Dwyer-Magnehelic...3286.m20.l1116
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Old 04-26-2009, 01:59 PM   #33
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Trane XV90 cfm question


Quote:
Originally Posted by beenthere View Post
How much air it will bring in will depend on how much leakage your house has.

Ductulator isn't good for figuring out how much air a fresh air intake will move.

At a .15 return static. It could be bringing in 32CFM, or 60CFM.
Depending on the pressure in the house.

Open the front door and it will bring in more then with the door closed.
At 0F outside temp, and 70F inside temp, it will bring in more then when its 50F outside and 70F inside.

Turn on the dryer and bathroom exhaust fan, and it CFM will also increase.

Ductulator tells you CFM for X pressure loss(FR).
..Not the ductulator.....My software is called Ductuputer and works great. When I initially downloaded it, it came with a 15 day free trilal. After using it I ended up buying it for the requested $15. It is simple but it works great. I just tried to pull up a link at amazon (see below) and it states that it is currently unavailable...
i probally still have the zip for the free trial if you want it.

http://www.amazon.com/Ductuputer-dow...0768311&sr=1-1

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Old 04-26-2009, 02:11 PM   #34
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Trane XV90 cfm question


Thanks.

I have several duct sizing programs. That I have used over the years.

For some reason, I still do it long form though.
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Old 04-26-2009, 09:21 PM   #35
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Trane XV90 cfm question


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Originally Posted by beenthere View Post
If he lives in MD, I think I know who he is on the other site.

I think I edited a few of his post.
Ahhh, you'll probably realize who I am if I post some questions in this Forum, which I plan to do, ha.

And certainly there is legitimate reasons for the other Forum to edit as they do. No doubt about that. That's reasonable.

But I just now found this site after doing a web search on a furnace model.
And I'm glad that I'll be able to ask some questions here, without worrying that responders will go too far with their explanations.
That's been hard to do at HVAC-TALK.
I won't have to worry at all about that here though, which makes it easier for sure to ask questions.

It can actually be a good thing to have both of these Forums to use.

Last edited by WhatWasThat?; 04-26-2009 at 11:25 PM.
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Old 04-26-2009, 11:54 PM   #36
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Trane XV90 cfm question


Hey key1cc & lyonkster, thanks for the replies, I'll check them out.

Also key1cc, I just posted query about XV95 in this Forum, check it & let me know if you have any answers.

Thanks
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Old 04-29-2009, 03:28 AM   #37
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Trane XV90 cfm question


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Originally Posted by JohnH1 View Post

If you are trying to better controll the constant air flow. I use the TCONT402 with my XV90. It has a BK termonal that you can choose anywere from 35% to 100% air flow.
Greetings JohnH1,

Do you use any of the integrated fan options from TCONT402?

What about lower continuous fan speed?
Do you use an EAC (Electronic Air Cleaner)?

How do you like the TCONT402?

See my thread query:
http://www.diychatroom.com/f17/trane...y-level-43398/


Last edited by WhatWasThat?; 04-29-2009 at 03:33 AM.
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