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What goof ball came up with this one?
Those sleepers are a bit special. Had to think about that one for awhile. Then I think I realized that it was okay. Might have even been engineered. Hint: The washers under the lags from the 2x's to the 4x's are all loose.
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I guess the pilot doesn't blow out any more? <g>
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Originally Posted by
BBeerme
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When faced with the choice between changing one's mind, and proving that there is no need to do so, most tend to get busy on the proof.
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Heh heh, even those old BDP's had spark ignition. Or maybe it was a retrofit. Who know's. But the other ~four old units on the roof seemed to get along just fine without that additional 'wind block'.
Originally Posted by
Poodle Head Mikey
I guess the pilot doesn't blow out any more? <g>
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Do you remember the RTU's with glow coils to light the pilot? They were two-voltage coils: a few volts to keep them warm to avoid thermal shock and the full control voltage to make them glow red.
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Originally Posted by
BBeerme
Heh heh, even those old BDP's had spark ignition. Or maybe it was a retrofit. Who know's. But the other ~four old units on the roof seemed to get along just fine without that additional 'wind block'.
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When faced with the choice between changing one's mind, and proving that there is no need to do so, most tend to get busy on the proof.
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Post Likes - 1 Likes, 0 Dislikes
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Were those the Carrier's with the white wire with the purple stripe?
Originally Posted by
Poodle Head Mikey
Do you remember the RTU's with glow coils to light the pilot? They were two-voltage coils: a few volts to keep them warm to avoid thermal shock and the full control voltage to make them glow red.
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Does that POS use the g-60 controls? those were good for blowing the doors off those units.
UA Local 32 retired as of Jan 2020
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This one didn't. But it's so old and probably has had most stuff changed out.
Originally Posted by
buford
Does that POS use the g-60 controls? those were good for blowing the doors off those units.
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I remember a leaking RTU at a bar....my boss at the time sent me over to cover the entire unit with sheet metal. Ridiculous!...but I did it.
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Seems like a few makers did it. The ones I remember best (worst <g>) were Patco. I still have at least one of those tiny glow coils, new in the box, sitting on a shelf somewhere. Every once in a while I find it while looking for some other obscure old part. <g>
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Originally Posted by
BBeerme
Were those the Carrier's with the white wire with the purple stripe?
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When faced with the choice between changing one's mind, and proving that there is no need to do so, most tend to get busy on the proof.
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What's the baffle for? The sleepers are genius. Is the unit floating?
You need to put the phone down and get back to work!
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Originally Posted by
Poodle Head Mikey
Do you remember the RTU's with glow coils to light the pilot? They were two-voltage coils: a few volts to keep them warm to avoid thermal shock and the full control voltage to make them glow red.
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didn't carrier cal them thermo pyle ignitor?
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I don't know and I'm not sure that I ever did. I have been trying to picture the box of one that I occasionally come across in the shop archives. <g>
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Originally Posted by
poppa
didn't carrier cal them thermo pyle ignitor?
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When faced with the choice between changing one's mind, and proving that there is no need to do so, most tend to get busy on the proof.
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Don't have a clue what the baffle is for. No baffles on other old and similar units.
The sleepers aren't floating, at least not in the true sense of the word. I have installed sleepers, designed and wet stamped by a mechanical engineer, that were floating. Don't have a clue why he designed that job that way, probably earthquake fears.
On the install in the photo here, I suspect the load is transferred through the 4x4's to beams below the roof line. The 2x4's keep the 4x4's where they are supposed to be, and would not allow for any float. Probably all in an effort to make the roofing easier and less prone to leak.
Originally Posted by
jnsrose
What's the baffle for? The sleepers are genius. Is the unit floating?