Pellet stoves with thermostat triggerred on-off auto ignite

jrousell Posted By jrousell, Mar 13, 2008 at 4:47 PM

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  1. stoveguy2esw

    stoveguy2esw
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    Nov 14, 2006
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    its due out late next month (tentitive) i have no idea what MSRP will be , and it is a single auger top feed system. will be "on-off" t-stat capable and will very likely be a special order item at least this year.this unit can be after purchase converted to an insert from freestanding and vice versa with an optional kit we will carry. by the way , the CPM i mentioned earlier in this thread will be a special order only unit this season as well.
     
  2. mike2rach

    mike2rach
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    Jul 16, 2008
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    Mike, would you be able to tell me if any stores in my area have already ordered the 10-CPM in?
    thanks so much for your help :cheese:
     
  3. stoveguy2esw

    stoveguy2esw
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    cpm's i believe will not be in stores before 9/1/08 i'll double check but im thinking thats what i was told. most of the stores are ordering 25-pdv and pdvc units as they can get them in stoock faster, they are much less complecated to build so we are able to manufacture more of them faster, and the stores seem to be loking to order what they can get on the shelves fastest in larger numbers , the CPM in most stores will not be a stock item anyway but availible as special order product. if you check with the "pro desk" at depot , or the "special order section" at lowes you should be able to get some info. i will try to provide better info as soon as i can get it myself, the production side of the house isnt necessarily my rice bowl so it may take me a few days.
     
  4. MCPO

    MCPO
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    This is known as the temperature differential.
    In a central heating system it is normally adjusted at approx 2 degrees to keep the room temp constant and not having the furnace cycle more often than necessary.

    IMO this fine tuning feature is nearly useless with a crude system such as a pellet stove but it`s there anyway and can be set.

    In non digital thermostats there is a heat anticipator (tiny low voltage heating element) that breaks the connection just before the thermostat reaches it`s set temperature to allow for the additional heat given off from the heat system after shutdown as in a baseboard hot water system.
    My digital setback thermostats have this adjustable feature too but I haven`t given it`s operation much thought . I`d have to think it was timed electronically to simulate a heat anticipator.
    Maybe some forum electronics tech has more on this as I`m an electrician with limited technical electronics knowledge.
    John
     
  5. Highbeam

    Highbeam
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    The reason that I would like an adjustable swing on a thermostat is so that you can force the stove to burn in long burns rather than a short cycle. It seems that the on/off operation mode for these stoves would benefit from less on/off cycles even at the cost of a larger room temp swing.
     
  6. Redox

    Redox
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    I don't think you are going to find a conventional wall thermostat that will allow 10 degrees of slop, but if you really want that, there are mechanical thermostats that allow you to set the "on" and "off" points independently. Most of the stats are trying to achieve 1/2 degree of swing, but obviously, this will be a lot of wear and tear on your ignitor. The better electronic thermostats out there will allow you to set the cycle rate from 1X an hour (steam systems) to 6X or more an hour for electric resistance systems. Gas and oil systems typically cycle about 3X per hour and heat pumps just run all the time...

    Chris
     
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