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Joined: Oct 2006
Posts: 745
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I know that this is sort of unrelated, but I am curious to know what the heck that gas stub-out is for. It doesn't make much sense to me unless I'm missing something.
---Ed---
"But the guy at Home Depot said it would work."
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Joined: Apr 2002
Posts: 7,382 Likes: 7
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Ed:
Although I did not take the pics within, this is a common rough out for a warm air furnace with an 'A' coil for the AC. Gas is for the heating portion.
John
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Joined: Oct 2006
Posts: 745
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I thought that as well, John. I guess what had me stumped was the block of wood that appeared to have been placed for a thermostat. In all my days, I've never seen a thermostat located so closely to a furnace.
---Ed---
"But the guy at Home Depot said it would work."
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Joined: Apr 2002
Posts: 7,382 Likes: 7
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I guess the HVAC guy wanted the t'stat wire right there for some reason.
John
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Joined: Jan 2005
Posts: 5,445 Likes: 3
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I've been delinquent in watching this thread! It took me a moment to realize these were MY pics!
The install is a commercial building. The A/C is only half the picture; the other is the furnace (not yet installed, hence the stub-out.) The t-stat wire needs to go there, because it is the furnace blower that circulates the air past the evaporator coil - which is mounted in the same ductwork the furnace uses.
This is 'kosher' since the t-stat wire simply tells the furnace controls to turn on the blower; it doesn't actually power the blower.
You see two wires because there are to be two units; one to serve the upstairs and one to serve the downstairs. Both heating units are located in the same (second floor) mechanical room.
A little bragging is in order. This job was my first 'design/build' effort. Details were sketchy, and the manner of construction unforgiving. Still, I was able to guess well enough that, in the end, I only needed to relocate two receptacles- and I was able to 'cheat' a bit on those.
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Joined: Mar 2005
Posts: 1,803
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tshea is right. Blown up, you can see the stud was split. How else would a framing nailer get the heads flush with the stud? 'Someone' then worked over the area with an electric [?] planer to smoothe it over, hence the shavings on the deck. When sheetrocked, there will be a huge shallow dent.
Wood work but can't!
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Joined: Jul 2004
Posts: 9,931 Likes: 34
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I know I am late on this but I always see the T stat wire run with the freon line set. The installer tapes the T-stat wire to the outside of the armaflex while he is putting it on the evaporator line. Then they run it all together as an assembly. That also eliminates the problem of the electrical inspector complaining about it being taped to the seal tight.
Greg Fretwell
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Joined: Apr 2002
Posts: 7,382 Likes: 7
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Tape is not an approved means of support for any cabling! Comments?
John
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Joined: Jul 2004
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Cite that. I don't see any listing mark on tywraps or Romex staples either. 
Greg Fretwell
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Joined: Feb 2002
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John,
Yes, I guess you could say I was tastefully stating the fact that all permits signed by an EC, might not ever see a Lic. EC on site. After seeing some of the work done, you just KNOW an EC wasn't there.
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Posts: 57
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