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Type: Posts; User: Chris Whewell

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  1. Replies
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    Heat pump, recommendations ?

    Am currently running CKL-49 Goodman from early 2000's, its working wonderfully.
    The heater portion is all electric and built in to the ARUF-series air-handler.

    I'll be in the market for a heat...
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    Thanks Bazooka Joey, great info and much...

    Thanks Bazooka Joey, great info and much appreciated.

    @taylor2, I agree, it is an experimental thought. But at the same time, we have a good compressor, and one outdoor coil and one indoor coil,...
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    Thank you. This topic initially relates to my...

    Thank you. This topic initially relates to my query for wanting to convert a Goodman straigt AC unit to become a heat pump. Later in the postings I did however make reference to an Amana unit,...
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    You're right, I forgot about the defrost. Been...

    You're right, I forgot about the defrost. Been looking for a defrost timer for the amana for a long time, never found one. The coil turns to a solid block of ice, 2 or 3 days a year, when ambient...
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    Thanks, it wouldn't be that hard, probably 5...

    Thanks, it wouldn't be that hard, probably 5 hours, if that. Here in Texas we're different than other parts. Its definitely something the average boob isn't competent to handle, but the average...
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    Thanks. What confused me was the manual, it...

    Thanks. What confused me was the manual, it said that the clk49-1 came also as part of the heat pump option, so it seemed as though the outside unit would not need to be changed, since the factory...
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    Goodman, convert to heat pump ??

    Hi all, I've got a good working goodman clk49-1 AC unit, and the heat unit is just the air handler with what looks like 15-20kw of heat, the usual sequencing relays, limit switches and blower delay. ...
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    I like thinking of things like this. Figure...

    I like thinking of things like this. Figure also, the pool itself can be a heat reservoir from which to heat the home, within a limited temperature range. I think you get more eficient mass...
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    I've seen this many many times. Its not just...

    I've seen this many many times. Its not just the "correct words", but rather, how they're used and arranged. One can choose the right notes for a song, but their effectiveness as music depends on...
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    Then, reality set in.... For any system,...

    Then, reality set in.... For any system, there's only three possibilities:
    1) too small
    2) perfectly correct
    3) bigger than perfect

    I'm no expert but my read is that nobody installs...
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    Yeah, but what's the fix for bringing techs up to...

    Yeah, but what's the fix for bringing techs up to speed on what they're supposed to already know ?
  12. Replies
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    Somebody's got to be doing the pool thing,...

    Somebody's got to be doing the pool thing, probably corrosion becomes an issue with submerged coils but still, if one can precisely control the temp of the liquid refrigerant prior to delivery to the...
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    Thanks, I was thinking, one ton is 12000 BTU, so...

    Thanks, I was thinking, one ton is 12000 BTU, so 5000 BTU per the reply above is almost half a ton lost from a 20 deg. increase in ambient ext. temp. I see quite a few HVAC pro folk online from AZ...
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    Thanks, good to know. So almost 1/2 a ton loss.

    Thanks, good to know. So almost 1/2 a ton loss.
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    Stuff like that gives the good DIY'ers a bad rap....

    Stuff like that gives the good DIY'ers a bad rap. Back in the day I never did a job unless I could walk away from it and think of it as being "art", and knowing it was fixed better than new when I...
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    Heat pump sizing

    A while back I came across an article that stated the standard under which the Ton rating convention is based, is a system that's operating at 82 degrees F. The article went on to suggest that if...
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    two quick questions

    Not looking for tech advice, just wondering a couple things:

    1) I've seen several heat pump systems in houses I've considered purchasing, where the breaker was larger than what was stamped on the...
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    Patents are one part of a business strategy, to...

    Patents are one part of a business strategy, to achieve and maintain a sustainable competitive advantage. I've been a patent practitioner since 1993, and have seen many inventors make money on...
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    Nice. Is there a forum of "old relics" on here...

    Nice. Is there a forum of "old relics" on here ? It could be interesting, for posterity, lol, to show some of these dinosaurs. I'll snap a shot later and post my CRH3-1, it looks better than a...
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    Its rated at 3 tons but if you look at the specs...

    Its rated at 3 tons but if you look at the specs from the orig service manual, the BTU's during the hot weather we get are only about 2 ton's worth. Same when it gets down to about 30F outside,...
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    Capacitor finally retired....

    ... after 41 years of faithful service, the 40 uF compressor run capacitor on my Amana CRH-3 has bit the dust. It was oval and about 10 inches long and weighed at least 2 pounds. Cleaned the coils...
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    Tax credits for upgrades ?

    Just curious, if anyone is aware of any tax credits for upgrades to existing systems.... for example, my current Rheem is a 12 seer and the compressor is 20 years old. Can I have a 16 seer...
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    Ya done good, taught her a lesson although...

    Ya done good, taught her a lesson although painful at the time it probably stuck. Might have even saved her, her kids, etc. life by influencing her next vehicle purchase.... :) There's always some...
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    Hey, thanks for the thoughts. (Yeah, on the...

    Hey, thanks for the thoughts. (Yeah, on the mercury...... any big junkyard will take it, or any college chemistry department has "heavy metal waste" they won't mind a few extra beads in their pot,...
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    We have a Rheem rectangle like that; what I'd buy...

    We have a Rheem rectangle like that; what I'd buy in a minute would be a piece of foam filter media that has a little stretch to it, that would stretch and fit around the outside of the unit like a...
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    New T-stats....

    I'm pondering modernization, to toss these old mercury switch thermostats in favor of digital, with internal DOB, programmable, etc. I haven't even started looking yet, I imagine there must be a...
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    Yeppers, I have a 67, K-20 4X4, Eaton rear end...

    Yeppers, I have a 67, K-20 4X4, Eaton rear end with a 350. Not to derail the thread... but couldn't resist. Hey Poodle Head Mikey, I'm on board with custom systems, I think my guy is open to it,...
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    Yeah, the fractionation. Its like basically a...

    Yeah, the fractionation. Its like basically a gas effusion apparatus, separations based on molecular weight, the lighter difluoromethane, I'd expect would leave the system first through any pinhole...
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    You got that right, yep 407c looks better than...

    You got that right, yep 407c looks better than 410a for our Texas temperature profiles. I've been pondering how to best flush the mineral oil, best would be xylene or toluene flush, but for the...
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    Good to know that about Amana. There's nothing...

    Good to know that about Amana. There's nothing like old-fashioned American quality. I saw where big company R had a class-action against them for sub-standard coil alloys that were being eroded,...
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    ok, I'll quit. Thanks.

    ok, I'll quit. Thanks.
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    Needed a lawn tractor 15 years ago, bought an old...

    Needed a lawn tractor 15 years ago, bought an old Deere 317 with a blown motor, then put a new motor on it. She's still running strong, total invested = 1500. Can't even hardly get a cheapo one...
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    Caveat - I'd put in my model number on one of...

    Caveat - I'd put in my model number on one of those internet sites that sells parts, looking for a compressor capacitor. The website said "this fits your XXX unit" so I ordered it and installed it. ...
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    Yes, in the interim between when you posted, I...

    Yes, in the interim between when you posted, I tried the CRC electrical cleaner, and it worked. Some fuzz had worked its way in there. I've used that spray a lot on my Buick Reatta's electronics. ...
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    Contactor contacts cleaning tool ?

    Contactor on outdoor unit has 240V on its input, but when energized there is no 240 on the output terminals. Is there a tool out there for cleaning the contacts ? I took a nail file and bent 1/4"...
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    :) Potential safety issue, if unit ground is not...

    :) Potential safety issue, if unit ground is not secure and a hot wire contacts the chassis and a kid comes along and... Hope that never happens.
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    Yep. I am working on mine at present. P55200-20C...

    Yep. I am working on mine at present. P55200-20C CRH3-1. I got the service manual w/schematics about 15 years ago online. Compressor and fan not kicking on, but contactor energizes. Changed out...
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    Its because the wires are resting on metal, and...

    Its because the wires are resting on metal, and the vibration wears through the insulation eventually , right ? Thanks.
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    Coil cleaning tool ?

    Is there some kind of hand-held tool that aids in getting the gunk off of coils ? Consider... those dog hair brushes with a 4 inch long handle, having a rectangular base or pad at the end, which...
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    A little costly, like $10 a roll or so. Sharp...

    A little costly, like $10 a roll or so. Sharp edges, best to wear gloves but once its done, its good probably for the life of the line
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    Hey, know what I did on my outdoor vapor lines ? ...

    Hey, know what I did on my outdoor vapor lines ? I took some of that polyurethane foam stuff usually used as insulation and put it on, but then, on top of it, I got some of that heavy aluminum tape...
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    Cool, I'll get some, thanks again.

    Cool, I'll get some, thanks again.
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    Duct tape

    Hey, what's a good duct tape ? The material originallyused on my air handler is white in color and apparently not comprised of the typical polymer that the silver or other colored conventional duct...
  44. Outdoor condensing unit - larger coils

    I recall reading years ago, I think it was Rheem, they had an outdoor condensing unit for a split system that was two 3 ton coils side by side with a 3.5 ton compressor in a box between the two...
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    Thanks alot, I lucked out. The one I put in is 5...

    Thanks alot, I lucked out. The one I put in is 5 minutes. Original was Watsco EAC-426/4-030-B. Replacement is an ICM unit, ran me $9.95. However, there are some on the internet where they're...
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    Cleaning Tip

    When I was hunting the reason why there was no 24V at the contactor, I pulled the cover off the Honeywell mercury-switch thermostat. Then I removed the plate the switches were mounted to, that...
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    Thank you. The unit is Rheem, has been running...

    Thank you. The unit is Rheem, has been running since 1997, all I've done to it is replace the fan motor, start capacitor, and now the DOB. Dismantled the cabinet and cleaned the felt off the coil,...
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    Delay on break timer

    Hi, I'm wondering what is a good time delay for a DOB that goes between the thermostat and contactor on the outdoor condensor unit of our split system. I've seen some by ICM which are variably...
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