gimpyrobb
dumpsterlandingfromorbit!
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The batterys I have access to are all junk. Either they are damaged or they don't hold a charge, sorry guys.
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Hey,Yeah I have been bad about responses lately in part because of the 100+ things on my plate...... Yes, I built mine...... I have a post floating around here outlining it.......... Then again, you can save a lot of aggravation by simply adapting the connector and hooking up a pair of tractor batteries (they will work but not fit in the tray)......
That's pretty much what I'm doing to get my SHC35 working: using two 7 amp-hour 12 VDC gel cells with 20 amp fuses wired per the directions earlier in this thread. This evening I'm going to add the 5k resistor to the THERM wires for good measure. I've not yet got mine to run this way, but no reason it shouldn't work...I was wondering if I hook 2x 12v 5ah batteries on the systeem with each a 20A fuze on the positive side to the connector (i also need to completely put new connectors cause we don’t have the same ones here). would the system work or do I also need to do something to rig or fool the white and brown wires ?
Does the battery charging light come on at all?Mine finally started -> I had a lot of air in the system from standing still without gas for a long time.
Now the next problem emerged, the heater pulls out all the energy out of the battery within 1hour and it doesn’t recharge. So after 1hr the heater stops and goes in alarm 12 ( low voltage ) so I still think that I wired something wrong. Does anyone have any suggestions?
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Nope not at all, the first time I put the battery I accidently put the - negative cable on the positive side of the battery so the pin in the connector gave a little spark and the fuze jumped. Than I switched it and changed the fuze but the pin is a little bit black and sometimes gives a bad connection could this be the problem ?Does the battery charging light come on at all?
Yeah the unit has around 180hr on the counter so I suppose it could be one that had that problem , I also saw that on the side of the fuel pump ther are some of the silver pins on one of the circuitboards that are bendes down a bit, I don’t really know what these do.Download the manual from hdt and compare the schematic in the manual to the actual wiring on the unit--- -if you look at some of the earlier units, the schematic inside the cover for the TEG into the relay board is reversed-- this is a known typo and possibly why some units were surplussed out. There are a few mofsets on the relay board that could get smoked due to a reverse hookup and may need to be replaced (some soldering required). When hooking things up, always follow the schematics in the latest version of the manual.........
Also check the relay contacts for continuity-- I have seen instances where once the unit is running that someone unplugged a charged pack and plugged in a dead one to charge-- that really wreaks havoc with the charge control. These things are alot like the m series alternators-- they do not like to have the batteries disconnected when running-- bad things happen (I had a discussion with an engineer for HDT when they were still hunter technologies-- he stated that there is not alot of surge control built into the circuitry-- also he said that the TEG can develop a bad connection at the wire hookup points-- look closely there for compound deterioration)........
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Just for quick confirmation...I used the charging adapter to confirm the pin outs...RED and WHITE are positive, BLACK and GREEN are negative...Nope not at all, the first time I put the battery I accidently put the - negative cable on the positive side of the battery so the pin in the connector gave a little spark and the fuze jumped. Than I switched it and changed the fuze but the pin is a little bit black and sometimes gives a bad connection could this be the problem ?
Verzonden vanaf mijn iPhone met Tapatalk
Yeah the unit has around 180hr on the counter so I suppose it could be one that had that problem , I also saw that on the side of the fuel pump ther are some of the silver pins on one of the circuitboards that are bendes down a bit, I don’t really know what these do.
I really appreciate the help !
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Yeah I did the same when I assembled the battery pack the only thing what I could be thinking is that the resistor that I put in maybe gives a false low temperature and that the unit gives priority to warming up the battery but normally it should give a constant 25°CJust for quick confirmation...I used the charging adapter to confirm the pin outs...RED and WHITE are positive, BLACK and GREEN are negative...