At 07:21 AM 8/16/2008 -0700, mdrillock wrote: >I think it is for the negative lead to the optional flame meter found in >early years. The old flame meter uses the nearby spade on the top end of >the thermocouple as it's positive lead. This positive lead is later used >for the flame LED though many times here people have wrongly referred to >it as a ground. Frank Condelli's Dometic writeup perpetrates this error. >It is not a ground at all, but a positive voltage source for the LED >flame indicator. A clarification here -- the "live" terminal from the thermocouple to the LED/meter actually goes a few hundred millivolts negative to chassis ground (when the thermocouple is hot), rather than positive. Cheers, David
-- David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/ '84 Westy "Dutiful Passage," '85 GL "Poor Relation" |
Please note - During the past 17 years of operation, several gigabytes of
Vanagon mail messages have been archived. Searching the entire collection
will take up to five minutes to complete. Please be patient!
Return to the archives @ gerry.vanagon.com
The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.
Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.