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Frese OPTIMA Compact Frese Application Guide

Fixed Speed Chiller - Plant Room

with PICV control

Function

The fixed speed chillers are connected to the controller which opens and closes the flow through each chiller by turning the PICV on and off.

The controller measures the inlet and outlet temperature to maximize Delta T and regulates the variable speed pump to maintain the required pump pressure.

For optimal chiller efficiency, the use of cascade control is recommended.

Benefits

Considerations