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1

Plumbing / Re: Heating my domestic water

« on: November 09, 2010, 07:48:34 PM »

Well put yoder.  I guess you could even take it one step further and put a theromstat an a circ pump on the water tank to keep the water nice and toasty 

2

Plumbing / Re: Heating my domestic water

« on: November 08, 2010, 01:47:31 PM »

Does anyone have any thoughts on having a flat plate and side arm, is it over kill or  will it  use more heating energy from the boiler water than what it will be worth?

To answer your question, yes it is overkill IMO. 

Since the plate exchanger is capable of providing you on-demand hot water, why would you waste energy to keep the water in your HWH hot when you will never need it?  So, I would say yes, you will be using more energy than it is worth.  Especially since you run your boiler all-year.  That will add up to allot of wood.  Just my .02.

3

General Outdoor Furnace Discussion / Re: new boiler going to be 4-6 feet below h/x.

« on: September 22, 2010, 11:04:36 AM »

What is the aquastat connected to?  Sound to me that it is being used to switch in a backup heating system in case the boiler water drops below the set temperature.

4

Electronics / Re: induction fan blower

« on: September 21, 2010, 05:29:56 AM »

An AC motor speed controller like this should do the trick.

http://www.amazon.com/Electronics-Variable-Speed-Control-K177-1002/dp/B000F9B712

5

Electronics / Re: Looking for one thermostat to control OWB and Forced air furnance

« on: September 09, 2010, 07:50:48 PM »

I realize that this post has been dormant for a while but if I figured that some may be hooking up a new install this season and looking for an answer to this.  I posted another solution to this problem on a different thread that will give you automatic back-up and though I would include it here as well.

http://outdoorwoodfurnaceinfo.com/forum/index.php?topic=616.0

6

Electronics / Re: Wiring Aquastat and fan relay

« on: September 09, 2010, 07:34:21 PM »

What are you trying to do exactly?  Are you planning to use the aquastat and relay to turn on your furnace blower and still use your gas for a backup?  If so then I have a much simpler solution.  All you need is a Honeywell 6006 (or equivalent SPDT) aquastat.  Place ther aquastat somewhere in the line coming from the boiler before it goes through any of your heat exchangers (this will give you a more accurate temperature reading).  First, connect the "W" line from your thermostat to the Common or "R" terminal.  Next, connect the "W" line from the furnace to the "B" contact.  Then, connect the "B" terminal to the Blower terminal on your furnace (Note: do not remove the existing connection from the thermostat to the furnace for the blower or you will not be able to manually turn on the blower).  The idea is that when the water from the boiler is above the preset temperature (most people use 100F) the "W" or heat signal from the thermostat will get routed to the blower terminal on the furnace, and when the water is below 100F it will get routed so your furnace will use the gas burner for heat.  This way you do not need separate thermostats.  I attached a schematic to help clarify.  Hope this helps