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???
06/26/06 13:04
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#119099 - thankless water heaters
Responding to: ???'s previous message
the above misspelling is deliberate.

The problem is... (see above)

I have experienced these beasts and found that due to the physical limitations imposed by the thermal intertia of the system there is no way to make a tankless water heater work 'perfectly'. By the time you detect that the water out is too hot the water in the heater coils is even hotter and you can not stop that from coming out, same for too cold.
What the typical tankless water heater tries to do is to control heat applied relative to output flow. There again you have the problem of inertia.

Get yourself a tank water heater and you will reduce your consumption of burn ointment.

Erik

List of 24 messages in thread
TopicAuthorDate
Looking for 2k ohm digital pot            01/01/70 00:00      
   Take care...            01/01/70 00:00      
      Checking the voltage during operation            01/01/70 00:00      
      Traced circuit to the PIC on the board            01/01/70 00:00      
         hmmm            01/01/70 00:00      
         I would be very careful            01/01/70 00:00      
   ?            01/01/70 00:00      
      This is how the Mechnical Pot works            01/01/70 00:00      
         Am I missing something ?            01/01/70 00:00      
            What would be the fun..            01/01/70 00:00      
               The fun would be to avoid a barbecue            01/01/70 00:00      
               fun vs safety            01/01/70 00:00      
                  Exactly!!            01/01/70 00:00      
                  Already installed on the unit            01/01/70 00:00      
         thankless water heaters            01/01/70 00:00      
            Oh yes there is...            01/01/70 00:00      
               no way feasible, not no way in the world            01/01/70 00:00      
                  Valve in the outlet            01/01/70 00:00      
            There is always the controled facsets            01/01/70 00:00      
               how fast are they?            01/01/70 00:00      
                  Flush fast            01/01/70 00:00      
                     The unit has no flow control or sensor            01/01/70 00:00      
                     that will depend on the plumbing            01/01/70 00:00      
                  Showers            01/01/70 00:00      

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