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Thread: How to twin furnaces
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11-06-2012, 02:26 PM #1
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How to twin furnaces
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11-06-2012, 02:37 PM #2
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Scary!
"If anybody can draw on the power, where do we put the meter?" - JP Morgan before pulling Tesla funding
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11-06-2012, 06:41 PM #3
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How did this hack get a hold of trane equipment
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11-06-2012, 07:02 PM #4
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Trane will sell to about anyone it seems. I see plenty of hacked in trane stuff.
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11-06-2012, 10:13 PM #5
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Are those going into masonry chimney? Flues look rusted out.
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11-06-2012, 10:18 PM #6
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Ive only seen a few twin systems. Is it only the return that is done wrong or am I missing something?
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11-06-2012, 10:29 PM #7
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the thing looks like a complete disaster
it was working.... played with it.... now its broke.... whats the going hourly rate for HVAC repair
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11-07-2012, 12:58 AM #8
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160,000 btu w 3 ton of airflow? Wonder what esp was on THAT!
Short cycling, hitting limit, and/or wet basement?Which makes more sense to you?
CONSERVATION - turning your thermostat back and being uncomfortable. Maybe saving 5-10%
ENERGY EFFICIENCY - leaving your thermostat where everyone is comfortable. Saving 30-70%
DO THE NUMBERS! Step on a HOMESCALE.
What is comfort? Well, it AIN'T just TEMPERATURE!
Energy Obese? An audit is the next step - go to BPI.org, or RESNET, and find an auditor near you.
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11-07-2012, 06:17 AM #9
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3 furnaces run a combined horizontal flue to a chimney. 3.5 ton drives, 100K furnaces 7.5 ton Trane A/C on some ancient coil above both furnaces. Return air comes in the right furnace. 1 small filter. The Tranes are so rusty from the A/C constantly freezing up. Little damp basement room where they store pool chemicals. The techs condemned a 24 year old Ruud 60% that sits to the left of the twins. Cracked, impressive it lasted that long.
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11-07-2012, 06:32 AM #10
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Are you guys replacing all 3 and fixing everything or just replacing what is inoperable.
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11-07-2012, 08:03 AM #11
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The energy bills will be your friend here if you need help. You should be able to save 50% even before looking at problems with the building enclosure.
Which makes more sense to you?
CONSERVATION - turning your thermostat back and being uncomfortable. Maybe saving 5-10%
ENERGY EFFICIENCY - leaving your thermostat where everyone is comfortable. Saving 30-70%
DO THE NUMBERS! Step on a HOMESCALE.
What is comfort? Well, it AIN'T just TEMPERATURE!
Energy Obese? An audit is the next step - go to BPI.org, or RESNET, and find an auditor near you.
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11-07-2012, 06:15 PM #12
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Around here they wont sell to you unless your a Trane authorized dealer, and they have been known to drop your dealer status if you get to many complaints. Maybe its different where you are.
Originally Posted by jimmyed
The only true knowledge is the pursuit of knowledge
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11-08-2012, 06:19 AM #13
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At the moment, probably just changing the split open Ruud not in the picture. The Tranes are so rusty, won't be long for them. I think a lot is from coil leaks and freezeups. Both outdoor units are on old coils. The 20 year old Bryant A/C on the single furnace has the original early 70s evap. We'll see if we have any luck getting them to change the A/C. But it never causes any trouble.
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