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Is condensing coil in duct work for air handler a DIY project Lawrence M. Seldin, CMC, CPC 04-11-2007
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Posted by Edwin Pawlowski on April 12, 2007, 11:36 am



> Here is what I have so far:
>
> The duct size is 22 X 17. My plumbing supply store says that I need a 15 X
> 20 coil.
>
> So I need some basic instructions (maybe a Web site picture of how to take
> apart the duct and how to
> remove the coil and then what to solder (I have soldered my outside pool
> heater pipes.
>
> My plumbing supply store says I have to shut off stuff that goes to
> upstairs unit so nothing leaks
> out of system, so I need to know what steps I should take.
>
> Does someone have these instructions posted somewhere?
>
> Thank you.

You need some basic mechanical skills and tools, and the ability to solder.
You need some method of testing hte coil, even a simple as attaching a hose
so you can see the leak.

Not being able to see the unit I'm not able to give you a step by step. The
basics are:

shut off the supply line to the system and drain if possible.
disconnect coil feed and return
remove coil. probably some sheet metal screws holding everything in place
find and solder leak. You can always take it to a car radiator repair shop
if you can't find or fix it.
Reverse directions



Posted by on April 12, 2007, 2:26 pm

> After the last one had me going, I can't wait to see how this one
> transpires..
> Searcher
>
The last one In retrospect dumping the salt OUT OF the bags into wheel
barrow ( clean) spreading around the pool with shovel might of been a better
idea, to bad I didn't think of that.



Posted by Lawrence M. Seldin, CMC, CPC on April 12, 2007, 4:04 pm


Barry,

I have a York A/C with a Weil-McLain burner. I am looking to install a (15 X 20
Coil) for my duct
size of (17 X 22)

Here are some questions:

I see screws that I can unscrew my duct. I will then need to remove the duct
tape.
My first question, is without draining anything from the burner or turning it
physically off, can I
unscrew the duct tower to get a look at what is involved. Meaning, will the unit
still operate if the duct is opened but not full taken apart.

I am good at following written directions. I can also solder and work with PVC
piping (which does
not apply). I am trying to get a look at what the coil looks like inside, so I
can figure out what I
need to do.

Thanks much,


Lawrence M. Seldin, CMC, CPC

Contributing writer for FUTURES Magazine
Author of RECRUITSOURCE PEOPLESOFT EXAM and RECRUITSOURCE SAP/R3 EXAM
Author of POWER TIPS FOR THE APPLE NEWTON and INTRODUCTION TO CSP

NOTE: To send me an email, remove TAKEOUT from my email address:
larryTAKEOUT@seldin.net

NOTE: My web home page: www.seldin.net

Posted by Edwin Pawlowski on April 12, 2007, 6:35 pm



> Here are some questions:
>
> I see screws that I can unscrew my duct. I will then need to remove the
> duct tape.
> My first question, is without draining anything from the burner or turning
> it physically off, can I
> unscrew the duct tower to get a look at what is involved. Meaning, will
> the unit
> still operate if the duct is opened but not full taken apart.

Should be able to do that. You should se ea coil that is made up of
copper tubes running through aluminum fins. You may or may not see the leak.
Look for some crud or runs.





Posted by Stormin Mormon on April 13, 2007, 1:11 am


I'm curious as to terms. Heating, we usually refer to heat
exchangers. If you have a 90% plus efficiency furnace (vents
exhaust gasses through PVC tubing) then you could have a
condensing heat exchanger.

On the other hand, an evaporator coil for an AC system takes
condensation out of the air. Which are you referring?

--

Christopher A. Young
You can't shout down a troll.
You have to starve them.
.

: I had a private repairman come over to fix the leak I have in
my heating coil. He said that he does
: not do this work. I had previouslly asked if the heating coil
replacement was a DIY project. You
: guys told me no.
:
:
: New question. This new guy said that the problem is a
"condensing coil in duct work for air-handler"
: for 1 of my zones. Is this a DIY project? He suggests a HVAC
guy.
:
: If it is not a DIY I will look for an HVAC guy.
:
: What do you think?
:
: Thanks much,
:
:
: Lawrence M. Seldin, CMC, CPC
:
: Contributing writer for FUTURES Magazine
: Author of RECRUITSOURCE PEOPLESOFT EXAM and RECRUITSOURCE
SAP/R3 EXAM
: Author of POWER TIPS FOR THE APPLE NEWTON and INTRODUCTION TO
CSP
:
: NOTE: To send me an email, remove TAKEOUT from my email
address: larryTAKEOUT@seldin.net
:
: NOTE: My web home page: www.seldin.net



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