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Grundfos CU 323 Series - Servicing the Product; Maintenance and Replacement; Product Repair Information

Grundfos CU 323 Series
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English (GB)
13
Activating the function via PC Tool E-products
Settings > Primary controller.
1. Select: Enabled proportional pressure.
2. Set: Influence at zero flow.
3. Set: Filter factor.
4. Select: Hmax / Enter value. Based on pump data.
5. Select: Qnom / Enter value. Based on pump data.
6. Select: Hnom / Enter value. Based on pump data.
Activate the function via the control panel.
This is only applicable when the function is enabled
in PC Tool E-products.
1. Press [RESET] for four seconds. Let go of the
button when the text "PPS" appears in the
display.
2. Adjust the "PPS" value with the arrow up and
arrow down buttons.
6. Servicing the product
6.1 Maintaining the product
CU 323 is maintenance-free during normal use and
operation. Clean CU 323 with a wet cloth.
6.2 Repairing the product
CU 323 cannot be repaired. If CU 323 is faulty,
replace the unit.
See section 6.3 Replacing the product.
6.3 Replacing the product
1. Switch off the power supply to CU 323.
2. Switch off the power supply to components with
external supply.
3. Remove the terminal blocks from the sockets.
4. Remove CU 323 from the panel or cabinet.
5. Fit the new CU 323 as described in section
2.2 Mechanical installation.
6. Configure the new CU 323 by means of PC Tool
E-products.
TM06 5417 4515
.336
.
.
RESET
Keep the buttons pressed for four seconds.
The "PPS" value is defined in bar at zero
flow.