CONTROL METHODS HeatNet Control V3
Page 30
DHW Method 1: DHW Heating ONLY using a DHW MASTER and Member Boiler(s) Employing H-Net
Example DHW Only, Reverse Return Piping – Method 1.
DHW METHOD 1: DHW Heating ONLY using a DHW MASTER, Multiple Non-Condensing Boilers
A DHW Setpoint is maintained in the DHW tank based on the Master’s DHW Sensor. The system pump is enabled when the
boiler’s Heat Demand input is closed. Boilers are staged to meet the DHW Setpoint in the tank based on their runtime, and each
boiler will enable its local pump when it is running. The Master modulates the boilers to maintain the setpoint in the tank.
The cold water make up is piped into the supply piping to reduce the possibility of condensing in the boilers.
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