Grundfos CU 301 - Automatic Restart Configuration; Dry-Running Stop Power Limit; Maximum Pump Speed Setting; Pump Cut-in Speed Adjustment

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5.3.8 Indication of pump operation
The following settings are available:
• Running light.
• Constant light.
5.3.9 Number
Allocate a number to the CU 301 and the pump con-
nected. The CU 301 and the pump must have the
same number.
Setting range: “–” (not active), 1, 2, ... 64.
Once a number setting has been made, the factory
setting (not active) is no longer available.
If the CU 301 and the pump do not have the same
number, the alarm “No contact to pump” will be indi-
cated.
TM CU301_3_08 GBTM CU301_3_09 GB