1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Ledvance OTI DALI 90/220-240/1A0 LT2L Optotronic LED Driver. Please read this manual thoroughly before using the product and retain it for future reference.
The Ledvance OTI DALI 90/220-240/1A0 LT2L Optotronic is a constant current LED power supply designed for professional lighting applications, featuring DALI dimming capabilities.
2. Safety Instructions
- Electrical Safety: Installation and maintenance must be performed by a qualified electrician in accordance with all local and national electrical codes.
- Power Disconnection: Always disconnect power before installation, maintenance, or troubleshooting.
- Voltage Compatibility: Ensure the input voltage (220-240V AC) matches the product specifications.
- Grounding: Connect the protective earth (PE) to the designated terminal or chassis.
- Operating Environment: Do not expose the device to moisture, extreme temperatures, or corrosive environments.
- Overload Protection: Do not exceed the maximum output power of 90W.
3. Product Overview
The Ledvance OTI DALI 90/220-240/1A0 LT2L Optotronic LED Driver is a compact, intelligent constant current power supply. It features dedicated terminals for AC input, LED output, DALI control, and LEDset current configuration.
Figure 1: Ledvance OTI DALI 90/220-240/1A0 LT2L Optotronic LED Driver. This image displays the top view of the LED driver, showing the input terminals (1-2 for AC), DALI terminals (6-7 for DA), and output terminals (21-27 for LED+, LED-, LEDset, LED-aux). Key specifications and certifications (CE, DALI) are also visible on the label.
Key Components:
- AC Input Terminals (1, 2): For connecting the main power supply (220-240V AC).
- DALI Control Terminals (6, 7): For connecting to a DALI control system for dimming and control.
- LED Output Terminals (21, 27): For connecting to the LED module (LED+ and LED-).
- LEDset Terminals (22, 23, 24): Used to configure the output current of the LED driver.
- LED-aux Terminals (25, 26): Auxiliary LED output.
4. Setup and Installation
Follow these steps for proper installation. Ensure power is disconnected before proceeding.
- Mounting: Securely mount the LED driver in a suitable enclosure or fixture, ensuring adequate ventilation for heat dissipation.
- AC Input Connection: Connect the main AC power supply (220-240V, 50/60Hz) to terminals 1 and 2. Ensure correct polarity (Live and Neutral).
- Protective Earth (PE): Connect the protective earth conductor to the designated PE terminal or the metal casing of the driver if applicable.
- LED Output Connection: Connect the LED module to terminals 21 (LED+) and 27 (LED-). Observe correct polarity. The output voltage is up to 250V DC.
- DALI Control Connection: Connect the DALI control lines to terminals 6 (DA) and 7 (DA). DALI lines are polarity-insensitive.
- LEDset Configuration (Optional): If adjustable output current is required, use the LEDset terminals (22, 23, 24) according to the specific LEDset programming instructions for your desired current (range 250-700mA). Refer to the product datasheet for detailed LEDset resistor values.
- Verification: Double-check all connections for security and correctness before restoring power.
5. Operating Instructions
Once installed and powered, the LED driver will supply constant current to the connected LED module. The DALI interface allows for external control.
- Power On: Apply 220-240V AC power to the input terminals. The connected LED module should illuminate.
- DALI Control: Use a compatible DALI master controller to address and control the LED driver. The DALI system allows for dimming, grouping, and scene setting. Refer to your DALI master controller's manual for specific programming and operation.
- Dimming: The driver supports dimming via the DALI interface. The dimming range is typically from 1% to 100% of the set output current.
6. Maintenance
The Ledvance OTI DALI LED Driver is designed for long-term, maintenance-free operation. However, periodic checks can ensure optimal performance.
- Cleaning: Ensure the driver is free from dust and debris to maintain proper heat dissipation. Disconnect power before cleaning. Use a dry, soft cloth.
- Connection Check: Periodically inspect all electrical connections for tightness and signs of wear or corrosion.
- Environmental Conditions: Verify that the operating environment remains within the specified temperature and humidity ranges.
7. Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
- LEDs not illuminating:
- Check AC input power supply.
- Verify LED output connections and polarity.
- Ensure the LED module is compatible and not faulty.
- Check DALI control for a 'minimum dimming level' setting or if the driver is commanded 'off'.
- LEDs flickering or unstable:
- Check DALI wiring for interference or loose connections.
- Ensure the DALI master controller is functioning correctly.
- Verify the LED module is not overloaded.
- No DALI control:
- Check DALI wiring connections (terminals 6 and 7).
- Confirm the DALI master controller is powered and configured correctly.
- Ensure the driver has a unique DALI address.
If problems persist, contact qualified service personnel.
8. Specifications
| Parameter | Value |
|---|---|
| Brand | LEDVANCE |
| Model Number | 4052899494268 |
| Product Type | Constant Current LED Power Supply |
| Input Voltage | 220-240 V AC |
| Input Frequency | 50/60 Hz |
| Output Power | 90 W (Max) |
| Output Voltage | 54-240 V DC |
| Output Current Range | 250-700 mA (Configurable via LEDset) |
| Power Factor (PF) | 0.99 |
| Input Current | 0.43 A |
| Dimming Interface | DALI |
| Weight | 205 g |
| Max Case Temperature (Tc) | 75 °C |
9. Warranty and Support
For warranty information and technical support, please refer to the official Ledvance website or contact your local Ledvance representative. Keep your purchase receipt as proof of purchase.
Information regarding spare parts availability and software updates is not available at this time.
