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INSTALLATION
01 Jan 14 3-15
DE-7200VFDCentrifuge
BOWL, CONVEYOR, AND FEED PUMP MOTOR CONNECTIONS
The bowl and conveyor drive motors require three-phase VFD power and ground connections.
Power is derived through connections to terminal blocks inside the control cabinet. Similarly, the
customer’s feed pump motor must be connected to the centrifuge control system for control of its
operation.
Connect the bowl, conveyor, and feed pump motors to terminal blocks in the bottom left side of
the control cabinet as shown in Figure 3-14. The control system can operate a feed pump drive
motor of up to 30HP.
Figure 3-14. Electric Power Connections to Bowl, Conveyor, and Pump Motors
TANK LEVEL SWITCH CONNECTIONS
Tank level switches may be connected to the pump and bowl VFDs to prevent the pump from
being started when fluid in the tank falls below a predetermined level. Two normally open float
switches can be used to detect high and low tank levels. The switches may be placed at the
desired levels to permit the pump to operate under automatic PLC control within the designated
window set by the switch positions. The only requirement is to place the high level switch above
the low level switch. For hazardous locations, refer to the electrical schematic diagram in Section
8 for intrinsic barrier kit information.
During centrifuge operation, whenever the tank level is above the low switch position, the pump is
enabled by the closed low level switch. When the tank level rises sufficiently to close the high
level switch, the pump will cycle on and then off once the low level switch opens.
The low level switch is connected to the feed pump VFD through terminal block TB1 (Figure 3-
15), which is located to the left of the Ethernet switch. Depending on cabinet wiring, either
terminals 1 and 2 or 7 and 8 are used for the connections. The high level switch is connected to
the bowl VFD either through terminals 3 and 4 or 9 and 10.
- DE-7200 Centrifuge 1
- CONTENTS 5
- Section 6
- CONTENTS 7
- SECTION 1 - INTRODUCTION 9
- EQUIPMENT USE 10
- DESCRIPTION 10
- Rotating Assembly 11
- Drive Motors 12
- Control Cabinet 12
- Case and Base 13
- Vibration Switch 13
- MECHANICAL OPERATION 14
- CONTROL SYSTEM 15
- PRODUCT SUPPORT 16
- CONTACT INFORMATION 16
- SECTION 2 - SAFETY 17
- Equipment Handling 18
- Maintenance 19
- Storage 19
- MSDS’S (CONT’D) 20
- SECTION 3 - INSTALLATION 21
- STORAGE 22
- Rotating Assembly and Motors 22
- INSTALLATION SEQUENCE 23
- EQUIPMENT HANDLING 24
- EQUIPMENT HANDLING (CONT’D) 26
- Liquid Discharge 29
- Solid Discharge Chute 29
- EQUIPMENT LEVELING 29
- FEED AND FLUSH CONNECTIONS 31
- COMPRESSED AIR 33
- FEED PUMP 33
- ELECTRIC POWER CONNECTIONS 33
- Connection Options 33
- POLARITY TEST 36
- SENSOR CONNECTIONS 37
- MACHINE STARTUP 38
- GENERAL 39
- SOFTWARE VERSION 39
- OPERATING SAFETY 39
- Purge System Bypass 40
- INITIAL STARTUP 41
- INITIAL STARTUP (CONT’D) 42
- OPERATING INSTRUCTIONS 43
- NORMAL STARTUP 44
- COLD CLIMATE STARTUP 45
- OPERATION 45
- Bowl Speed 47
- Conveyor Differential Speed 47
- Pond Depth 47
- Pond Depth (Cont’d) 48
- BEARING TEMPERATURES 50
- MOTOR TORQUE TREND 50
- SYSTEM DIAGNOSTICS 51
- PERFORMANCE STATUS 51
- ALARM AND FAULT MESSAGES 52
- VFD STATUS 53
- VFD STATUS (CONT’D) 54
- PUMP VFD FAULT STATUS 54
- VFD TEMPERATURE TRENDS 55
- VFD FAULT RESET 55
- VFD FAULT RESET (CONT’D) 56
- SETUP SCREEN 56
- PUMP SETUP SCREEN 57
- CLEAN OUT 57
- CLEAN OUT (CONT’D) 58
- Automatic Cleanout 58
- Manual Cleanout 58
- NORMAL SHUTDOWN 59
- AUTOMATIC SHUTDOWN 59
- Excessive Vibration 59
- Main Bearing Temperatures 59
- Excessive Bowl Speed 60
- Conveyor Clutch Trip 60
- EMERGENCY SHUTDOWN 61
- Electric Power Shutdown 61
- Mechanical Shutdown 61
- SECTION 5 - MAINTENANCE 63
- PREVENTIVE MAINTENANCE 64
- LUBRICATION CHART 65
- GEARBOX OIL LEVEL CHECK 65
- GEARBOX OIL CHANGE 66
- DRIVE BELT REPLACEMENT 67
- PURGE SYSTEM 69
- Bypassing Purge System 69
- Initial Purge Time Setting 70
- Leakage Compensation Test 71
- Rotating Assembly Removal 73
- Cleaning and Inspection 75
- Installation 76
- RECOMMENDED SPARE PARTS 77
- TROUBLESHOOTING 79
- Troubleshooting Procedure 79
- TROUBLESHOOTING (CONT’D) 80
- Troubleshooting Chart 80
- CONTROL COMPONENT INDICATORS 98
- MAINTENANCE 100
- DE-7200VFDCentrifuge 103
- CONTROL ENCLOSURE ASSEMBLY 141
- DE-7200 EX-PROOF 460/480/60/3 141
- 16472-00-002 141
- DE-7200 EX-PROOF 380/400/3 143
- 16472-00-003 143
- DE-7200 EX-PROOF 575/600/60/3 145
- 16472-00-004 145
- DE-7200 460/480/60/3 147
- 16472-00-005 147
- PURPOSE 149
- DE-7200VFDCentrifuge 150
- INSTALLATION 156
- HMI Server Installation 156
- Electric Power Connections 156
- Ethernet Connections 157
- Appendix A-HMIServerSystem 158
- OPERATING HMI SERVER 159
- Startup and Shutdown 159
- Operation 159
- Operation (Cont’d) 160
- REFERENCE DRAWINGS 164
Verwandte Produkte und Handbücher für PC / Workstation Barebones AOpen DE7200 Series
(11 Seiten)
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