Do you have bypasses on the demand and supply sides of the loop? Also, if you are hard-sizing variable speed pumps, I have found that having a Pump:Minimum Flow Rate >0 will result in the pumps running even when there is no demand, and the pump heat builds up over time...
David
On 11/27/2013 6:46 AM,
alexmac_00@xxxxxxxx wrote:
Dear users,
I am getting an error saying that the water temperature in HW plant loop is getting too hot, and the simulation fails. I have read few other conversations on this topic, but I hope that someone has some more tips.
I believe that there is something wrong with the pump (constant speed), also because I can solve the issue by replacing the constant speed pump with a variable speed pump.
But theoretically it should also work with the constant speed operating as an on/off system. Any clue?
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