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torbanac
Apprentice Appliantologist
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Posted: Wed Jan 16th, 2008 01:09 |
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I have a Yellow Flame Gas Log by Rasmussen, Model # 24 R/S
Serial number 10209, Natural Gas , 70,000 BTU.
I can turn it on and the pilot stays lit but when I flip the switch to turn it on nothing happens.
Should I start with the thermocouple? if so which part , it looks like it has awire that bolts into the end of a coupling that holds it in place with a black graphite looking rod sticking out on the other side.
Any help is appreciated.
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hvacdrd
Fellow, Academy of Sublime Masters of Appliantology
| Joined: | Wed Aug 16th, 2006 |
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Posted: Wed Jan 16th, 2008 01:38 |
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I can't find your model on the Rasmussen site but it sounds like you have one with a powerpile/thermopile instead of a thermocouple.
I would start by cleaning the pilot assembly. This type of system generates millivotage in the range of 500-750 millivolts DC to operate the valve. A clean strong pilot is necessary to generate the temperature necessary at the tip of the powerpile for the device to work as designed.
If you have a volt-meter capable of measuring DC volts below 1 VDC and maybe a picture of the valve wiring, we can walk you thru some simple tests.
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torbanac
Apprentice Appliantologist
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Posted: Wed Jan 16th, 2008 02:57 |
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Here are is a picture, I have a Greenlee dm-50 looks like it could measure in that range. .000 in the 2 volt range.
Yes it is a thermopile (my bad) right now it has a whitish gray area on it where the pilot hits it. The pilot is set to hit in on the bottom of the blue flame. Do I need to adjust it so it hits more in the tip of the blue part of the pilot flame?
Attachment: P1030286.JPG (Downloaded 21 times)
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hvacdrd
Fellow, Academy of Sublime Masters of Appliantology
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Posted: Wed Jan 16th, 2008 03:12 |
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that's officially OLD...anyways, starting from the left lets call the terminals 1-4
switch OFF - measure 1-2
switch ON - measure 1-2 then 3-4
Post your results. I'll work on finding a picture of how the pilot flame should look in relation to the thermopile.
And here it is...
Attachment: powerpile.GIF (Downloaded 18 times)
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torbanac
Apprentice Appliantologist
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Posted: Thu Jan 17th, 2008 12:24 |
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THanks for your help, I adjusted the pilot so it hits the thermopile as shown and that seems to have been the problem. It lights consistently now.
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Current time is 17:49 | |
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