95 eurovan camper furnace problems

Steven P. Kammerer

Scott, could you draw a picture or describe for a dummy what and where
the furnace face plate is.  I have been thinking of the message you
quoted for a long time but wondered how to implement it.
stevek
97 evc

Scott Douglas wrote:

Show quoted text

Has anybody else performed this modification on there furnace? I did it last
weekend and it really increases your furnace out put. I did it a little
different, I cut a hole in the furnace face plate, attached a 4" flexible
duct and routed it to the junction box where the other duct goes to to split
in to two ducts. This way you are getting all the hot air in to the living
area of the EVC.
Scott Douglas
95 EVC "Rex"
-----Original Message-----
From: jroberts@... <jroberts@...>
To: ev_update@... <ev_update@...>
Date: Wednesday, October 13, 1999 1:11 PM
Subject: [ev_update] 95 eurovan camper furnace problems

Like others, I've had problems with intermittant functioning of the
furnace. After struggling with it, buying a new battery etc. I believe
I have discovered that the problem is that Winnebago didn't install the
furnace according to specs. The manual says that a minimum of 25 sq.
inches of output ducting must be maintained throughout. Winnebago only
used one of the two output vents on the furnace, thus limiting the
output to about 13 sq. in. This single duct goes to a box which splits
it to the two ducts visible next to the back seat. This restricted air
flow causes the "sail switch" to prevent the furnace from lighting most
of the time. I replaced the cover of the furnace with a makeshift one
with another duct which vents into the rear storage area through a hole
I cut in the storage area wall. The furnace has work very reliably ever
since, even with a partially discharged coach battery and at 10000 ft.
altitude.

I plan to cantact Winnebago and urge others to also...


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Scott Douglas

#4181

Has anybody else performed this modification on there furnace? I did it last
weekend and it really increases your furnace out put. I did it a little
different, I cut a hole in the furnace face plate, attached a 4" flexible
duct and routed it to the junction box where the other duct goes to to split
in to two ducts. This way you are getting all the hot air in to the living
area of the EVC.
Scott Douglas
95 EVC "Rex"

Show quoted text

-----Original Message-----
From: jroberts@... <jroberts@...>
To: ev_update@... <ev_update@...>
Date: Wednesday, October 13, 1999 1:11 PM
Subject: [ev_update] 95 eurovan camper furnace problems

Like others, I've had problems with intermittant functioning of the
furnace. After struggling with it, buying a new battery etc. I believe
I have discovered that the problem is that Winnebago didn't install the
furnace according to specs. The manual says that a minimum of 25 sq.
inches of output ducting must be maintained throughout. Winnebago only
used one of the two output vents on the furnace, thus limiting the
output to about 13 sq. in. This single duct goes to a box which splits
it to the two ducts visible next to the back seat. This restricted air
flow causes the "sail switch" to prevent the furnace from lighting most
of the time. I replaced the cover of the furnace with a makeshift one
with another duct which vents into the rear storage area through a hole
I cut in the storage area wall. The furnace has work very reliably ever
since, even with a partially discharged coach battery and at 10000 ft.
altitude.

I plan to cantact Winnebago and urge others to also...

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Steven Balsley

#4203

Steve,

I am thinking of making the same furnace mods on my 99 evc.  A very
useful website to check out is: www.consolidatedsystems.com/eurovan/Pag
es/heater.html.  A very talented "ex" evc owner contributed this and
lots of other suggestions, trip logs, etc. on his website.  I just
checked the site and it is still active (Thanks, Dave!).  Anyway, he
photo documents the disassembly and internal components of the furnace
from a 99 evc.  This, together with Scott's explanation should make the
modification straightforward.

Steve Balsley
99 evc

Scott Douglas

#4199

Show quoted text

-----Original Message-----
From: Steven P. Kammerer <skammerer@...>
To: ev_update@... <ev_update@...>
Date: Thursday, February 03, 2000 8:45 PM
Subject: [ev_update] Re: 95 eurovan camper furnace problems

Scott, could you draw a picture or describe for a dummy what and where
the furnace face plate is.  I have been thinking of the message you
quoted for a long time but wondered how to implement it.
stevek
97 evc

Steve,First you have to remove the rear seat. Then you take the molded cover off
that covers the hole area of the furnace. There is about 13 screws and then
you will see the furnace. It looks like a big metal box and there is two
screws on the front of it where the big label is, remove those two screws
and remove the furnace face plate. Now you can run the furnace with the face
plate off and see how much heat the thing is capable of putting out. You
will notice that there is another hole for ducting but it is plugged and you
can not access that one because of the fuse box is in the way. If you have
any more questions let me know.
Scott Douglas

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95 eurovan camper furnace problems