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General => Mr. Fix it => Topic started by: rstephenhoward on Oct 16, 2009, 02:59 PM

Title: coleman furnace
Post by: rstephenhoward on Oct 16, 2009, 02:59 PM
I have a '96 Coleman Sun Valley with a furnace, and have no idea how to operate the thing.  Can anyone help?  I have the owners manual but there is no discussion of the furnace.

Thanks,
Steve
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Post by: waygard33 on Oct 16, 2009, 07:32 PM
Quote from: rstephenhoward;211723I have a '96 Coleman Sun Valley with a furnace, and have no idea how to operate the thing.  Can anyone help?  I have the owners manual but there is no discussion of the furnace.

Thanks,
Steve

Hey Steve,
You might want to post the make and model of your furnace so others with similar/same equipment can chime in.

My furnace is much newer but your's may operate similar:

All I have to do is
1) Slide the on/off switch to the on position which is located at the top of the thermostat.
2) Increase the thermostat temperature setting...voila....that's it.

My furnace does not have a pilot light to take care of. There is a process before the burner actually lights but the fan comes on right away. The heat typically follows shortly thereafter.

Hope this gets you started. I'm sure there's better info coming.

Wayne in Oregon
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Post by: coach on Oct 17, 2009, 08:17 AM
take the cover off the furnace and flip any switch to ON, replace cover
switch the thermostat to ON
move the temp control higher
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Post by: tlhdoc on Oct 17, 2009, 08:45 PM
Quote from: coach;211745take the cover off the furnace and flip any switch to ON, replace cover
switch the thermostat to ON
move the temp control higher

That is how the ?Atwood? furnace in my 1999 Coleman camper works.  Many people don't know that there is a small rocker switch behind the inside cover of the furnace.  I keep mine in the off position so the furnace can not get turned on accidentally.:)
Title: Can't find the thermostat
Post by: rstephenhoward on Dec 02, 2009, 05:48 PM
For the life of me I can't find the thermostat.  The furnace is the factory installed unit in a 1996 Coleman Sun Valley camper.  Any help would be greatly appreciated.
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Post by: austinado16 on Dec 02, 2009, 08:31 PM
You might want to post a photo of the exterior and of the interior, behind the metal grille.
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Post by: He Ruide on Dec 02, 2009, 10:18 PM
Here is a  picture of the thermostat (http://he-ruide.smugmug.com/Packing-and-Hitching-up-work/Packing-up-Inside/4481275_64hfR#730405489_YKtBb) that are in Fleetwood/Coleman PUPs. Just serach along the base of the PUP at the same height of the furnace.

Hope this helps.

Ruide
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Post by: wavery on Dec 02, 2009, 11:08 PM
We have a similar thermostat and our on/off switch is on the bottom. It's just a tiny thing and it's hard to turn ours to the "On" position.
Title: Photo of furnace
Post by: rstephenhoward on Dec 12, 2009, 08:56 AM
I've identified the furnace as an Atwood Hydro Flame.  I also located the thermostat.  Well, I plugged the trailer in to the electrical outlet and check to make sure the lights, etc. worked.  I then turned the gas on and set the thermostat to 90 F before flipping the off/on switch on the front of the furnace.  Nothing...no ignition and the blower didn't come on.  Can't for the life of me find a place to light a pilot.  You guys are great, and any more advice would be most appreciated.
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Post by: chip on Dec 12, 2009, 09:13 AM
A Google search for "Atwood Hydro Flame" turned up a group of references, including this one:

http://bryantrv.com/docs2/docs/operating/hflameowners.pdf

You might need to more precisely id the unit you have, but it looks pretty simple.  You also may need to locate the power switch on the thermostat.  As mentioned, it may be on top or on bottom of the thermostat, will just be a small "slider" switch, and may be difficult to move to the on position.

Hope that helps.
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Post by: coach on Dec 12, 2009, 12:07 PM
Sounds like no power, once turned on (thermostat and front of furnace) and the thermostat set high enough the blower starts to run. Use a volt meter to determine if you getting power to the thermostat, two wires on back.

See page 28 for troubleshooting and page 16 for sequence of operation.
http://bryantrv.com/docs2/docs/hflameservice.pdf

No pilot, it lights its self.
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Post by: wavery on Dec 12, 2009, 12:12 PM
That link that Chip gave you has the right info........

Note......this furnace has an electric ignition. There is NO pilot light.
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Post by: wavery on Dec 12, 2009, 12:14 PM
Quote from: coach;213378Sounds like no power, once turned on (thermostat and front of furnace) and the thermostat set high enough the blower starts to run. Use a volt meter to determine if you getting power to the thermostat, two wires on back.

See page 28 for troubleshooting and page 16 for sequence of operation.
http://bryantrv.com/docs2/docs/hflameservice.pdf

No pilot, it lights its self.

The switch on the thermostat must be turned to "ON" also. ;)
Title: Furnace is now working!
Post by: rstephenhoward on Dec 12, 2009, 01:54 PM
Thanks to all of you for the good advice!  Turns out it was a loose wire.  

Merry Christmas and happy holidays to all!

-Steve
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Post by: wavery on Dec 12, 2009, 02:38 PM
Good find........glad you got it working and thanks for letting us know. 90% of the time, it's something simple like that. Finding it..........not so simple.

It's kinda like the old story where a commercial building lost power to all of their air conditioning. Several contractors came out and after hours of labor, couldn't find the problem but left them with a $500 bill for trouble shooting. The last guy came out, walked over to a circuit panel, opened the door, tightened one screw and voila....the A/C was working.

Job took 30 minutes and he left a bill for $800. The building Superintendent called the guy and said, "Hey....why $800 for tightening one screw?". The technician answered, "Oh......it was only $50 for tightening the screw.......it was $750 for knowing which screw to tighten"...:D
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Post by: coach on Dec 12, 2009, 03:40 PM
Quote from: wavery;213380The switch on the thermostat must be turned to "ON" also. ;)

And what part of "once turned on (thermostat and front of furnace) and the thermostat set high enough" suggests any different? :yikes:;):eyecrazy:
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Post by: hoppy on Dec 19, 2009, 11:43 AM
Quote from: rstephenhoward;213381Thanks to all of you for the good advice!  Turns out it was a loose wire.  
Merry Christmas and happy holidays to all!
-Steve

 Steve,
Glad to hear you got the furnace working, and it being a simple fix like only a loose wire.
 The Attwood furnace in my PU really kicks out the heat, and so should yours.
 That blower motor can be a bit noisy when trying to sleep, but a warm PU can be well worth it.
 I guess it is no worse than the sound of an A/C unit running during the summer months in 95 F degree heat.

 Hope you can get out camping soon, and give it a try.