I have received them and the TEC1-12710. As mentioned on the other thread, I've been swamped at work so I have not had a chance to work with either of them. I wish I could have got the 30mm modules - I don't think I'll get three 40mm modules to fit. (They were not in stock so I ordered what I could - and TBH I didn't measure first :| The 12710 modules are supposed to be goby Ziggy - Mosquito Magnet
Unfortunately I've been swamped at work and not had any time to do further testing. Both sets of devices have arrived though, so it's a matter of getting through this busy period and having enough free time to get start tinkering again. TEGs do have a operating envelope and definitely have an optimal operating point. It is governed by three things: Hot side operating temperature, hotby Ziggy - Mosquito Magnet
FWIW, the datasheet for the supposed OEM module on the MM 1000 says 271C solder, so 200C operating point seems reasonable. I expect the Independence/Liberty would need high temp like this too. I have just yesterday ordered three of these 40mm 5W/5V TEG for experimentation. They are good to 330C continuous. I don't think they will have enough 'oomph' for the job (for the MM 1000),by Ziggy - Mosquito Magnet
I think biofuelin meant to say "10-12 inches of water column" rather than PSI. Regarding the pressures, refer to patent 6,145,243 column 6, number 40. "In operation, gas flows from tank 14 through the tanks shut-off valve and flexible line 22 to regulator 24, which drops the gas pressure to 15 psi. The gas continues at 15 psi to the input side of safety valve 58, which is a flamby Ziggy - Mosquito Magnet
Starting a new topic to cover the Liberty Plus. This model has a coaxial power connector, an internal battery, and a TEG. It is meant to be able to run stand alone, not plugged in. The power connection is for charging the battery, supposedly only required once at the start of the season. The TEG is intended to power the unit during normal operation. Below is a picture of the main board and a sby Ziggy - Mosquito Magnet
The temperature did seem to be a bit high, but within the supposed limits of the TEG so I was not *too* concerned. Also, since the exhaust fan was not running, I expect the temperature was higher than it should be. This model does perform a catalytic reaction, so I guess it was working - to a point anyway. Construction is that of an orifice in a tube with an air bleed, going into a box. The boby Ziggy - Mosquito Magnet
A quick update: After doing some testing on my Commercial Pro, it seems that it is indeed running cold. The TEG is only putting out a bit more than 7 volts. This is enough to turn on the suction fan (rated 5V), but not enough to turn on the exhaust fan (rated 12V). I put a thermocouple on the burn chamber, and it was around 155C. The heatsink side was around 60C. Plenty of delta T so the TEG shoulby Ziggy - Mosquito Magnet
I've been reading with interest all the forum messages, and thought I'd chip in here since I also have a MM1000 Commercial Pro. It might be instructive to read one of the original patents - 6,145,243 - you can download a PDF of it from that Google link. In it, we find that the diagram appears to be that of the MM1000 Commercial Pro. Also, it turns out this is an analog system - no micropby Ziggy - Mosquito Magnet