EverSale HLG-185H-20A
EverSale MEAN WELL HLG-185H-20A 185W Single Output Switching Power Supply Instruction Manual
Model: HLG-185H-20A
1. Introduction
This manual provides essential instructions for the safe and efficient operation of your EverSale MEAN WELL HLG-185H-20A Switching Power Supply. Please read this manual thoroughly before installation and use, and retain it for future reference. This power supply is designed to convert AC input to a stable DC output, suitable for various applications requiring a 20Vdc, 9.3A power source.
Image 1: Front view of the MEAN WELL HLG-185H-20A Switching Power Supply, showing its compact, rectangular metal casing with input/output cables and adjustment potentiometers.
2. Safety Instructions
WARNING: Failure to follow these safety instructions may result in electric shock, fire, or serious injury.
- Ensure the power supply is disconnected from the main power source before any installation, wiring, or maintenance.
- This device should only be installed by qualified personnel.
- Verify that the input voltage range matches the specifications of the power supply (100-240VAC, 277VAC for North America only).
- Do not operate the unit in environments exceeding its specified temperature and humidity limits.
- Ensure proper grounding to prevent electric shock.
- Do not open the casing of the power supply. There are no user-serviceable parts inside.
- Protect the unit from water, moisture, and excessive dust. This model is IP65 rated, suitable for dry, damp, or wet locations.
- Maintain adequate ventilation around the unit to prevent overheating.
3. Product Overview and Features
The HLG-185H-20A is a high-performance AC/DC enclosed type switching power supply designed for various applications. Key features include:
- Universal AC input / Full range (up to 305VAC).
- Built-in active PFC function.
- High efficiency up to 94%.
- Protections: Short circuit / Over current / Over voltage / Over temperature.
- Cooling by free air convection.
- Output voltage and constant current level can be adjusted through internal potentiometer.
- IP65 rated for indoor or outdoor installations.
- Suitable for LED lighting and street lighting applications.
- Compliance to worldwide safety regulations for lighting.
Image 2: Detailed technical specifications and features list for the MEAN WELL HLG-185H series, including input/output characteristics, protection functions, and environmental conditions.
4. Setup and Installation
Proper installation is crucial for the performance and longevity of the power supply. Refer to the mechanical specifications and wiring diagrams.
4.1 Mechanical Specification (HLG-185H)
The unit's dimensions and mounting points are detailed below. Ensure adequate space for air circulation.
Image 3: Mechanical drawing of the HLG-185H (Blank type) showing dimensions in millimeters, cable lengths, and mounting hole positions. This type is IP65 rated for I/O connection.
4.2 Wiring Connections
Connect the input and output cables according to the following guidelines. The HLG-185H-20A is an 'A' type model, featuring internal potentiometers for output adjustment.
- Input (AC): Connect the AC input wires (Brown for AC/L, Blue for AC/N, Green/Yellow for FG) to your main power source.
- Output (DC): Connect the DC output wires (Red for +V, Black for -V) to your load.
- Ensure all connections are secure and insulated.
Image 4: Mechanical drawing of the HLG-185H (A type) showing dimensions, cable lengths, and the location of the internal potentiometers for voltage and current adjustment. This type is IP65 rated.
4.3 Waterproof Connection
For outdoor or wet/damp environment installations, ensure waterproof connections are made. Optional cable joiners and junction boxes are available.
Image 7: Diagram illustrating waterproof connection methods for the HLG-185H, including M12/M15 connectors, cable joiners (CJ04-1, CJ04-2), and an optional junction box for secure outdoor installations.
5. Operating Instructions
5.1 Output Adjustment
The HLG-185H-20A (A-type) allows for output voltage and constant current level adjustment via internal potentiometers. These are accessible by removing the rubber stopper on the case (refer to Image 4 for location).
- Vo ADJ: Adjusts the output voltage.
- Io ADJ: Adjusts the constant current level.
- Adjustments should be made carefully with appropriate tools and while observing output readings.
5.2 Dimming Operation (for B-type only - not applicable to HLG-185H-20A)
While the HLG-185H-20A is an 'A' type model, other models in the HLG-185H series (B-type) offer 3-in-1 dimming functionality. This involves adjusting the output current level through a connection cable by resistance, 1-10Vdc, or PWM signal. This feature is not present on the HLG-185H-20A model.
Image 6: Diagram illustrating the dimming operation for HLG-185H B-type models, showing connections for resistance, 1-10Vdc, and PWM signals to control output current. This functionality is not available on the HLG-185H-20A.
6. Specifications
Detailed electrical, mechanical, and environmental specifications for the HLG-185H-20A model.
| Characteristic | Value |
|---|---|
| Model | HLG-185H-20A |
| DC Voltage | 20V |
| Rated Current | 9.3A |
| Rated Power | 186W |
| Voltage Adjustment Range | 15V ~ 20V |
| Current Adjustment Range | 50% ~ 100% (4.65A ~ 9.3A) |
| Voltage Tolerance | ±2.0% |
| Line Regulation | ±0.5% |
| Load Regulation | ±0.5% |
| Setup Time | 1500ms/230VAC at full load |
| Hold Up Time | 16ms at full load |
| Voltage Range (Input) | 90 ~ 305VAC, 127 ~ 431VDC |
| Frequency Range | 47 ~ 63Hz |
| Efficiency | 91.5% |
| AC Current | 1.8A/115VAC, 0.8A/230VAC, 0.6A/277VAC |
| Inrush Current | COLD START 65A (twidth=445µs measured at 50% Ipeak) at 230VAC |
| Over Current Protection | 95 ~ 108% rated output power, constant current limiting, recovers automatically after fault condition is removed. |
| Over Voltage Protection | 21V ~ 24V, shut down o/p voltage, re-power on to recover. |
| Over Temperature Protection | Shut down o/p voltage, recovers automatically after temperature goes down. |
| Working Temp. | -40 ~ +70°C (Refer to Derating Curve) |
| Working Humidity | 20 ~ 95% RH non-condensing |
| Storage Temp., Humidity | -40 ~ +80°C, 10 ~ 95% RH |
| Safety Standards | UL8750, CSA C22.2 No. 250.13-12, EN61347-1, EN61347-2-13 independent IP65 or IP67; J61347-1, J61347-2-13 approved; design refer to UL60950-1, TUV EN60950-1. |
| Withstand Voltage | I/P-O/P: 3.75KVAC, I/P-FG: 2.0KVAC, O/P-FG: 1.5KVAC |
| Isolation Resistance | I/P-O/P, I/P-FG, O/P-FG: 100M Ohms / 500VDC / 25°C / 70% RH |
| EMC Emission | Compliance to EN55015, EN55032 (CISPR32) Class B, EN61000-3-2 Class C (>=50% load); EN61000-3-3 |
| EMC Immunity | Compliance to EN61000-4-2,3,4,5,6,8,11, EN61547, EN55024, light industry level (surge 6KV), criteria A |
| MTBF | 192.2K hrs min. MIL-HDBK-217F (25°C) |
| Dimensions | 228 x 68 x 38.8 mm (L x W x H) |
| Packing | 1.15Kg; 12pcs/14.8Kg/0.5CUFT |
7. Performance Characteristics
Understanding the performance curves helps in optimizing the power supply's application.
7.1 Derating Curve and Static Characteristics
The derating curve indicates the maximum permissible load at different ambient temperatures. The static characteristics show load performance relative to input voltage. Operating within these limits ensures optimal performance and lifespan.
Image 5: Graphs showing the derating curve (load percentage vs. ambient temperature) and static characteristics (load percentage vs. input voltage) for the HLG-185H series, illustrating performance under varying conditions.
7.2 Power Factor and Efficiency Curves
The power factor curve illustrates the efficiency of power utilization at different load levels and input voltages in constant current mode. The efficiency curve shows the power conversion efficiency across various load percentages.
Image 6 (partial): Graphs showing the power factor characteristic (power factor vs. load) and efficiency vs. load for the HLG-185H series, demonstrating energy performance.
8. Maintenance
The HLG-185H-20A is designed for reliable operation with minimal maintenance. Follow these guidelines:
- Cleaning: Periodically inspect the unit for dust accumulation. If necessary, gently clean the exterior with a dry, soft cloth. Ensure the unit is powered off and disconnected before cleaning.
- Inspection: Regularly check cables and connections for any signs of damage, wear, or loose contacts.
- Ventilation: Ensure that the ventilation areas are not obstructed to allow for proper heat dissipation.
- Do not attempt to repair the unit yourself. Refer to qualified service personnel for any issues.
9. Troubleshooting
If the power supply is not functioning as expected, consider the following common issues:
- No Output Power:
- Check if the input power is connected and active.
- Verify input voltage is within the specified range (90-305VAC).
- Inspect all wiring for loose connections or damage.
- The unit may be in protection mode (e.g., over-current, over-voltage, over-temperature). Disconnect power, wait a few minutes, and reconnect. If the issue persists, check the load for shorts or excessive current draw.
- Incorrect Output Voltage/Current:
- Ensure the internal potentiometers (Vo ADJ, Io ADJ) have not been accidentally adjusted.
- Verify the load requirements match the power supply's specifications.
- Overheating:
- Ensure adequate ventilation around the unit.
- Check if the ambient temperature is within the specified operating range.
- Reduce the load if it is consistently near the maximum rated power.
If troubleshooting steps do not resolve the issue, contact customer support or a qualified technician.
10. Warranty and Support
For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact your vendor. Keep your purchase receipt as proof of purchase.
Manufacturer: Mean Well
Brand: EverSale
Model: HLG-185H-20A