Dampp-Chaser wattage needed

[Cy Shuster]

I'm not aware of anyone who advocates a constant 25 watts.  That was the standard 40 years ago.

I don't understand your statement about the full system not being needed.  The controller manages the wet and dry sides as needed to keep RH within a small range.  The full system always gives the best results (I think that's a safe generalization).

In some cases, humidity is so high that the water tank might not be needed, but in every case, the humidistat should be installed to control the heater rods.

--Cy--
  ----- Original Message ----- 
  From: BRETT GLASS 
  To: pianotech at ptg.org 
  Sent: Sunday, October 08, 2006 3:06 AM
  Subject: Dampp-Chaser wattage needed


        Thanks for the info so far . I too have some grand pianos that I service that are like you say pretty much out side . They are at Restaurants that are open to and right on the ocean . They have string covers and about 150 watts under them . I got on email reply off the list about recommending the full system out here . I don't think that will ever be needed here . It's just dry enough that in some cases  (areas & life styles ) it might be possible at times a piano would be too dry with a constant 25 watts and then as RH swings high leaving the piano to wet . If more than 50 watts is normal or some cases even 150 watts then where in the world would it be a good idea to use 25 or less constant ? Or maybe I'm wrong about this . It just doesn't make sense .

        Brett
       
       

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