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What is the recommended start-up procedure for the Compabloc?
Start-up must be gradual and smooth. Flowrate adjustments should be done slowly in order avoid the risk of water hammer. The cold circuit must be filled and started first. Open the air vent, the outlet valve on the cold circuit, start the pump for this circuit with the exchanger inlet valve still closed. Slowly open the inlet valve at the heat exchanger. When all the air is out, the vent can be closed. Once the cold circuit is running, apply for hot circuit the same procedure as per the cold circuit.
See the user manual Compabloc IOM Manual.pdf for more details.