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UV Electrical Cabinet (Machines 1-15)

UV Electrical Cabinet (Machines 1-15). TJ8500 General. TJ8500 General (Cont.). TJ8500 General (Cont.). The inlet power is 3 × 230VAC + GND (max.); a total of 120A (per phase). The power cabinet is responsible for the following functions: Supplying voltages to the UV lamp system

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UV Electrical Cabinet (Machines 1-15)

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  1. UV Electrical Cabinet (Machines 1-15)

  2. TJ8500 General Confidential

  3. TJ8500 General (Cont.) Confidential

  4. TJ8500 General (Cont.) • The inlet power is 3×230VAC + GND (max.); a total of 120A (per phase). • The power cabinet is responsible for the following functions: • Supplying voltages to the UV lamp system • Supplying voltages to the cooler unit • Supplying voltages to the extraction unit • Controlling the UV lamp system • Controlling the cooler unit • Controlling the extraction unit Confidential

  5. TJ8500 General (Cont.) • Wiring Notes: • Blue wire: 24VDC • Red wire: 110VAC Confidential

  6. Q1.1 -Mains Isolator A1-Earth Leakage Device K2-UV Main Contactor TJ8500 Units Description Confidential

  7. TJ8500 Units Description (cont.) • Safety Switch Relay K9: • Verify that the UV lamphead cover is closed and enable the UV main contactor K2. Confidential

  8. K3 K4 K5.1 K5.2 TJ8500 Units Description (cont.) • UV lamp High Voltage contactors: • Enable the high voltage to the lamp by levels (30%-100%). Confidential

  9. TJ8500 Units Description (cont.) • Overload Relays: • Q6.11 - Cooler Pump • Q6.12 - Cooler Fan1 • Q6.22 - Cooler Fan2 • Q7 - Extract Fan Frequency Inverter A7 • Contactors: • K6.11-Cooler Pump Contactor • K6.12-Cooler Fan1 Contactor • K6.22-Cooler Fan2 Contactor Confidential

  10. Extraction Fan Frequency Inverter A7 TJ8500 Units Description (cont.) • Extraction fan frequency inverter A7: • Controls on the air extraction flow rate, depending on the UV lamp power. Confidential

  11. TJ8500 Units Description (cont.) • PLC Panel Confidential

  12. TJ8500 PLC Panel Inputs: • R1: Shutter ON, from the machine • R3, R4 and R5: UV power bits, from the machine • R6: Extraction fan operation indication, from A7 Confidential

  13. TJ8500 PLC Panel (Cont.) • Inputs: • R7: Water pump or cooler fan trip indication • R8: Air suction indication from the UV lamphead • R9: Lamphead cover status (closed/opened) indication • R12: Alarm reset button • V2: 24VDC • 0VD: 0VDC Confidential

  14. TJ8500 PLC Panel (Cont.) • Inputs and outputs: • I2: Shutter opened indication, from the UV lamphead • I3: Shutter closed indication, from the UV lamphead • I4: Lamphead over temperature indication • I5: Emergency switch from the machine Confidential

  15. TJ8500 PLC Panel (Cont.) • Inputs and outputs (cont.): • I6: Cooler over temperature indication, from the thermal switch in the Cooler • I7: UV lamp power indication • I9: Cooler level low indication • I10: UV ON signal from the machine • 0VD: 0VDC • QA1: Output signal to the extraction fan frequency inverter A7 Confidential

  16. TJ8500 PLC Panel (Cont.) • Outputs: • Q1.2: Output for the extraction fan frequency inverter A7 • Q2: Operating power to the UV main contactor K2 • Q3, Q4 and Q5: Output power for enabling the high voltage contactors • Q6: Output power for enabling the cooler Confidential

  17. TJ8500 PLC Panel (Cont.) • Outputs Signals: • S1: UV ready signal to the machine • S2: Shutter open signal to the shutter valve • S3, S4 and S5: UV fault signal to the machine Confidential

  18. TJ8500 Transformer • Receives an input of 380-480VAC. • Converts the voltage to 110VAC. Confidential

  19. TJ8500 24VDC Power Supply • Receives an input voltage of 110VAC. • Converts the voltage to 24VDC for the PLC. Confidential

  20. TJ8500 High Voltage Transformer • Receives an input voltage of 230VAC. • Converts the voltage to 2000VAC for the UV lamp. Confidential

  21. TJ8500 Capacitors • Supplies the high voltage to the UV lamp Confidential

  22. TJ8500 Electrical Connections • XPC1: Connected to the cooler. • XPC2: Connected to the cooler. • XPPT: Connected to the UV lamphead. • XPF7: Connected to the extraction fan. Confidential

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