|
Posted by on December 30, 2008, 7:21 pm
> On Tue, 30 Dec 2008 17:17:31 -0500, The King
> >On Tue, 30 Dec 2008 09:14:43 -0800 (PST), jkenne...@gmail.com wrote:
> >>> On Sun, 28 Dec 2008 07:05:53 -0800 (PST), jkenne...@gmail.com wrote:
> >>> >> On Sat, 27 Dec 2008 19:13:20 -0800 (PST), jkenne...@gmail.com wrot=
e:
e:
> >>> >> >> On Sat, 27 Dec 2008 20:39:44 -0600, "Steve" <jstev...@comcast.n=
et>
> >>> >> >> wrote:
> >>> >> >> >> On Sat, 27 Dec 2008 17:55:18 -0600, "Steve" <jstev...@comcas=
t.net>
> >>> >> >> >> wrote:
> >>> >> >> >>>> On Sat, 27 Dec 2008 16:22:45 -0600, "Noon-Air" <Noon-...@c=
omcast.net>
> >>> >> >> >>>> wrote:
legroups.com...
> >>> >> >> >>>>>> Hi, I purchased a new high effiency Lennox G61V furnace =
a year ago,
> >>> >> >> >>>>>> and have had problems ever since. =A0After numerous visi=
ts from the
> >>> >> >> >>>>>> installer, we've finally determined that water from the =
cold header
> >>> >> >> >>>>>> box (which sit directly behind the combustion inducer fa=
n), does not
> >>> >> >> >>>>>> drain out until the furnace shuts down. =A0So, basically=
if it is cold
> >>> >> >> >>>>>> outside and the furnace runs for several hours straight,=
that water
> >>> >> >> >>>>>> continues to build up and gets into the inducer fan, whi=
ch cause all
> >>> >> >> >>>>>> kinds of problems, and the furnace shuts down.
> >>> >> >> >>>>>> The service people I've used have called lennox, but can=
not figure
> >>> >> >> >>>>>> out why the water would not drain out until the furnace =
winds down or
> >>> >> >> >>>>>> is shut off.
> >>> >> >> >>>>>> Has anyone run into this issue before? =A0I'm a good $10=
00 in on
> >>> >> >> >>>>>> maintenance fees right now and I'm not sure what to do a=
t this point.
> >>> >> >> >>>>>> thanks,
> >>> >> >> >>>>>> Joe
> >>> >> >> >>>>>Was it the lowest price?? Seems that one of the first thin=
gs they cut
> >>> >> >> >>>>>corners on is not putting a proper trap in the drain line.=
There is a
> >>> >> >> >>>>>reason
> >>> >> >> >>>>>for the trap being there....looks like you found out about=
it the hard
> >>> >> >> >>>>>way.
> >>> >> >> >>>> The trap is incorporated into the furnace at the factory. =
=A0He is not
> >>> >> >> >>>> talking about the trap on the a coil. =A0Which BTW isn't n=
eeded on a up
> >>> >> >> >>>> flow furnace you dolt.
> >>> >> >> >>>Having never worked on that particular model, I'll take you =
word for it...
> >>> >> >> >>>Either way, from the symptoms, there are issues with the tra=
p either being
> >>> >> >> >>>partially blocked or not being deep enough.
> >>> >> >> >> I agree that it sounds like a trap problem or possibly a ven=
ting issue
> >>> >> >> >> with the pitch of the pipe. =A0Its not a field fabricated tr=
ap. =A0Like
> >>> >> >> >> all 90 plus furnaces, the trap comes with the furnace.
> >>> >> >> >>>Now....as far as a trap on an upflow coil, Rheem/RUUD *REQUI=
RES* that
> >>> >> >> >>>there
> >>> >> >> >>>be a trap that a minimum of 6 inches below the coil pan, and=
the trap must
> >>> >> >> >>>be a minimum of 3 inches deep. There is a reason the factory=
puts notes in
> >>> >> >> >>>the installation instructions and puts a sticker on the coil=
and/or coil
> >>> >> >> >>>casing that gives the dimentions of the required trap. I hav=
e seen the
> >>> >> >> >>>same
> >>> >> >> >>>trap requirements for Carrier and Trane. Not only do they gi=
ve the
> >>> >> >> >>>dimentions, but they also include pictures...*just* for you.
> >>> >> >> >> I don't know why they would make it a requirement since it h=
as nothing
> >>> >> >> >> to do with condensate drainage on an up flow.
> >>> >> >> >> Blow thru coils don't need a trap to drain properly. =A0Pull=
thru coils
> >>> >> >> >> do.
> >>> >> >> >I didn't write the installation instructions.... but I do actu=
ally *READ*
> >>> >> >> >them, and follow them. =A0So far, I have never seen installati=
on instructions
> >>> >> >> >that said that traps were only for "pull through coils".
> >>> >> >> > Maybe you could
> >>> >> >> >show me where installation instructions say that traps are onl=
y required for
> >>> >> >> >"blow through" evap coils?? or maybe give me a code site??
> >>> >> >> It doesn't have anything to do with codes or installation
> >>> >> >> instructions. =A0It =A0has to do with the static pressure acros=
s the coil
> >>> >> >> and drain pan. =A0As you full well know, or should know, when a=
blower
> >>> >> >> is downstream (pull thru) of the evap coil it wont drain until =
the
> >>> >> >> blower shuts off. =A0When the blower is upstream of the coil it=
will
> >>> >> >> drain just fine regardless of if its trapped or not. =A0
> >>> >> >> So why do they want a trap on an up flow? =A0I suspect its just=
over
> >>> >> >> kill.- Hide quoted text -
> >>> >> >> - Show quoted text -
> >>> >> >Alright, since this is a Usenet group, I can't email or load phot=
os
> >>> >> >(thanks google). =A0King, can I just emial you a picture of the f=
ront of
> >>> >> >the furance so you can see if anything look incorrect? =A0Also ca=
n you
> >>> >> >explain your comment above further (I am rookie on this stuff rig=
ht
> >>> >> >now). =A0I have an upflow furnace, the exhaust pipe is above the
> >>> >> >blower. =A0So I agree with you, why do I even need a trap, I don'=
t see
> >>> >> >how any fumes would go anywhere but up. thx.
> >>> >> Were talking two different traps. =A0One for the A/C condensate an=
d the
> >>> >> one for the furnace condensate. =A0You need the trap for the furna=
ce
> >>> >> condensate. =A0Make sure the trap is clean, make sure the exhaust =
is
> >>> >> pitched back towards the furnace 1/4 inch per liner foot with no s=
ags,
> >>> >> make sure there are no kinks in any drain lines, make sure there a=
re
> >>> >> no blockages in any drain lines inside and outside of the furnace.=
- Hide quoted text -
> >>> >> - Show quoted text -
> >>> >I see. =A0this situation does not seem to be a problem with the exha=
ust
> >>> >condensation/ drainage,
> >>> Sorry but there is a problem with the exhaust condensate drainage.
> >>> >and I have check the 1/4 inch decline on the
> >>> >pipe. =A0The cold header box behind the inducer fan does not drain
> >>> >(although I can hear water in there) until the furnace shuts down.
> >>> Wheres the pics?- Hide quoted text -
> >>> - Show quoted text -
> >>I just send you the pictures. =A0Also wanted to mention the error code
> >>that occurs is 2 + 5 "High Pressure Switch Failed open. Check blocked
> >>inlet/exhaust or condensate line (condensing furnaces only)"
> >Ill bet money there is a problem with the trap. =A0have the tech bring
> >out a new one and see what happens.
> Scratch that since its been replaced twice. =A0Have Lennox replace the
> furnace. =A0:)- Hide quoted text -
> - Show quoted text -
Yep, going back to my installer is all I can do at this point, fun
times. Get to confirm something, is water from that cold header box
supposed to drain out while the furnace is running? With that inducer
fan going, wouldn't I expect the fan suction to hold that water in the
box while it's spinning?
|