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Manual Manual PCU-15/PCU-15S CU-3B Electrical control units for Control unit for piFLOW® and piFLOW®p piFLOW vacuum conveyors ® conveyors Art. No. 0232670, Rev.07, GB, 2020-12 Original instructions...
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This manual is available in the following languages on piab.com: Chinese English French German Italian Japanese Korean Polish Portuguese Russian Spanish Swedish...
Note! • Read the manual before starting the installation and operation. • Only trained people/staff shall operate the control unit CU-3B together with a Piab piFLOW® vacuum conveyor. • Follow the start-up procedure for the complete vacuum conveying system. Manual...
P.O. Box 146 SE-182 12 DANDERYD SWEDEN 3.2 Intended use The intended use of the control unit CU-3B is to be connected to a Piab vacuum conveyor system. • The product shall be used in environments within the product’s specifications.
4. Overview The pneumatic control system controls the functions of the vacuum conveyor. This is an overview of the pneumatic control product and its functions. Control unit CU-3B Number Description Adjustable time for conveying Adjustable time for emptying of conveyor...
ASTM 316L Temperature °C [°F] 0-50 [32 - 122] Weight kg [lb] 4.10 [9.03] Performance Description Unit Value Feed pressure MPa [psi] 0.4 - 0.6 [58 - 87] Electrical data Description Unit Value Safety classification IP54 Page 8/20 CU-3B Manual...
Connections 7. Connections Note! For more detailed information regarding connection, see manual for vacuum conveying system. Connection of pneumatic signals to the vacuum conveyor. CU-3B 42/43/44 Port Function Tubing dimension OD/ID (mm) Colour Compressed air, in Black Compressed air, in VU...
10 meters. If a VU Level Detector is installed with the CU-3B: The recommended maximum length for pneumatic hoses between the CU-3B and the VU Level Detector is 5 meters. The recommended maximum length for pneumatic hoses between the CU-3B and the vacuum conveyor is 5 meters.
• Clean the control unit with a damp cloth. Do not rinse with water. • See the vacuum conveyor manual for detailed information about service and maintenance. Manual CU-3B Page 15/20...
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