Delta CFP2000 Series User Manual page 421

Ip55 fan and pump drive
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Chapter 12 Description of Parameter SettingsCFP2000
However, if the decreasing demands for flow quantity and pressure are too big, the
CFP2000 stops the current operating motors and waits for the delay time setting for Pr.12-04. It
continues doing this until the last motor stops using mains electricity. See sequential diagram
12-5 and 12-6 below.
Diagram 12-5: Sequence of Fixed Quantity Circulation with PID – Decreasing Demands
12.1-12-6

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