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Summary of Contents for DoorHan DCUH-1
- Page 1 General Information Safety Rules Design Installation Electrical Connections Control Unit Operation Troubleshooting Appendix DCUH-1 Control Unit for Electro-Hydraulic Dock Leveler with Hinged Lip Owner’s Manual © DoorHan, 12.2019...
- Page 2 1. GENERAL INFORMATION DCUH-1 control unit operates electro-hydraulic dock was halted in the event of a potential emergency or if levelers with hinged lip of DLHH/DLHHI series. power supply failed. The unit is equipped with an uncontrolled movement After all the necessary connections, it is ready for oper- protection system, which is activated if the dock leveler ation.
- Page 3 3. DESIGN Fig. 3.1. Closed view Fig. 3.2. Open view 1. Power indicator 1. Main board 2. Control board 2. Leveler RAISE button 3. Main power switch 4. INSTALLATION Mount the control unit so the distance between control unit bottom and dock floor is approximately 1–1,5 m. Choose the fasteners corresponding to the type of wall.
- Page 4 5. ELECTRICAL CONNECTIONS WARNING! Before performing electrical connection of the control unit disconnect all electric power and ensure it won’t be sup- plied during the work. Fig. 5.1. Electrical connections diagram CONTACTOR PROTECTOIN TRANSFORMER RELAY L1 L2 L3 PE PE ELECTROMAGNETIC L1 L2 L3 N VALVE COIL...
- Page 5 Lip inductive Shaft operator position sensor control post * Connection scheme refers to DoorHan operators of Shaft series only. 6. CONTROL UNIT OPERATION 6.1. TO RAISE THE LEVELER 1. Park the transport vehicle with an open body in front of 4.
- Page 6 7. TROUBLESHOOTING Table 7.1. Possible faults, their causes and solutions Problem Possible cause Solution Check the electrical wires No supply voltage and the voltage in the socket Faulty power switch Replace main power switch Blown fuse Replace fuse (FU1, FU2) Faulty contactor Replace main board Leveler does not...
- Page 7 DCU007 Table 2. Connecting cables to the dock leveler control unit* Part name Length Part number Connecting cable for DCUH-1/2/3 control units DKHL02-2 Connecting cable for DCUH-1/2/3 control units 10,5 m DKHL02-3 * Cables are connected to hydraulic stations and supplied with the dock levelers.
- Page 8 We very much appreciate that you have chosen the product manufactured by our company and believe that you will be satisfied with its quality. For information on purchasing, distribution and servicing contact DoorHan central office at: 120 Novaya street, Akulovo village, Odintsovo district, Moscow region, 143002, Russia Phone: +7 495 933-24-00 E-mail: info@doorhan.com...
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