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midnightbrewing · 10-21-2012, 05:27 PM

This is from the VR8200/4200 manual:

POWER UNIT:
Hold-in current: 300 mA maximum.
Drop-out current: 250 to 90 mA.

Commonwealth · 10-23-2012, 12:49 AM

If your valves are 24v and they draw .5 amp as the pex supply listing shows for them that means you only need 12vA for each, i read somewhere on the forums here thatnyou should add a buffer for safety like 10 or 20%. All that said you should be okay, the vA shouldnt be your problem unless you are running other stuff off of it. Are you sure all you have on your 24v circuit is your gas valves? Also the transformer i bought can be wired three different ways to create different voltages. It can be a 6v ro a 12v or a 24v depending on how you connect it. What transformer did you endup with?

Commonwealth · 10-23-2012, 12:52 AM

Ps my dad kept most of those genes too. He is a phd, i found a Local HS physics teacher/neighbor and A LOT of forum searching to figure out wiring my system!

midnightbrewing · 10-23-2012, 07:29 PM

Figured out my problem. For whatever reason, the LED lights were eating the voltage and not passing enough along to trigger the gas valves.

I have DPDT switches, so I just wired the lights to the second pole and now my burners fire just fine!

Still can't figure why I was getting the correct voltage on the meter with the bare wire, but not when connected to the valve - but with those lights wired in separately, everything's fine!

ShaKeyJ · 10-23-2012, 10:39 PM

Quote:

Originally Posted by midnightbrewing

I'm still stuck after switching out the NG spring to LP on the honeywell VR8200.
should there be an audible click when sending the right voltage to the valve? When I test my bare wire leads, I get 28vac, which is the right voltage, but when I test the voltage across the TH/TR on the unit, I get only 2.7vac on the meter.

usually I have a better nose for this kind of stuff, but I'm so very confused right now.

When you test for voltage, the wires should be connected to valve and hold tester one on each at same time. If you got 2.7 when the burner had call to be on then something isn't sending power to valve.

midnightbrewing · 10-28-2012, 04:42 AM

my build is complete. first brew is 9 days away! pics/write-up here:

http://www.homebrewtalk.com/f51/its-brutus-10-a-363645/

Thanks for answering all my questions.

OregonBrews · 02-26-2013, 10:01 PM

After scrutinizing this thread for many hours, I came to a revelation that cleared up so many things for me. Radio Shack 8-position jumper. Bump for my dumb ass figuring something out finally.

**Huaco** · 02-26-2013, 10:45 PM

Quote:

Originally Posted by OregonBrews

After scrutinizing this thread for many hours, I came to a revelation that cleared up so many things for me. Radio Shack 8-position jumper. Bump for my dumb ass figuring something out finally.

Like the ones pictured in my control panel. Upper right corner of the back plate.
DONT FORGET the jumpers too. (unless you like making a bunch of little jumper wires!) lol...