Danfoss VLT FC 102 Programming Manual page 493

Programming Guide | VLT® HVAC Drive FC 102
Sleep mode
l
No-flow detection
This function is used for detecting a no-flow situation in pump systems where all valves can be closed. The function can be used with
both the integrated PI controller and with an external PI controller. Program the configuration in parameter 1-00 Configuration Mode.
Configuration mode for
integrated PI controller: closed loop
l
external PI controller: open loop
l
Always carry out no-flow tuning before setting the PI controller parameters.
FC
Figure 83: No-flow Detection
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NOTICE
P
Parameter Descriptions
AU430028034214en-001901 / 130R0310 | 493