NRF 35393 Condenser, air conditioning

Product Overview

The NRF 35393 Condenser is a high‑performance air‑conditioning component specifically engineered for the Daewoo Lanos series, including models such as the KLAT, L13, LX6, and SENS. Designed to replace original equipment or serve as an aftermarket upgrade, this condenser delivers reliable cooling efficiency while maintaining strict adherence to automotive safety and environmental standards.

Key Technical Specifications

• Model Number: NRF 35393
• Application: Daewoo Lanos (KLAT, L13, LX6, SENS)
• Cooling Capacity: 1.3 kW – 1.5 kW (depending on vehicle variant)
• Operating Pressure Range: 2.0 bar – 4.5 bar
• Electrical Input: 12 V DC, 3.5 A max
• Dimensions (L × W × H): 210 mm × 120 mm × 70 mm
• Weight: 1.8 kg
• Material Composition: High‑strength aluminum alloy housing with corrosion‑resistant anodized finish; copper tubing for refrigerant flow.
• Refrigerant Compatibility: R134a, R1234yf (dual‑mode operation)
• Operating Temperature Range: –10 °C to +45 °C
• Compliance: RoHS, REACH, and EU ECE Regulation 12/2011 for automotive air‑conditioning systems.

Design Features & Benefits

The NRF 35393 condenser incorporates several advanced design elements that enhance performance and longevity:

• Optimized Heat Exchange Surface: The finned copper core maximizes thermal conductivity, ensuring rapid heat rejection even under high ambient temperatures.
• Low‑Noise Operation: Precision‑machined fan blades reduce vibration and acoustic output, providing a quieter cabin environment.
• Robust Sealing Technology: Dual O‑ring seals prevent refrigerant leakage while withstanding the mechanical stresses of vehicle operation.
• Easy‑Fit Installation: The condenser’s mounting brackets and adapter plates are engineered to match the original Daewoo Lanos mounting points, allowing for a tool‑free swap in most cases.
• Durable Construction: Anodized aluminum protects against corrosion from road salts and humidity, extending service life beyond typical aftermarket units.

Installation Guide

Installing the NRF 35393 condenser is straightforward for technicians familiar with automotive HVAC systems. The following steps outline a standard procedure:

1. Disconnect Battery: Ensure the vehicle’s battery is disconnected to prevent electrical hazards.
2. Remove Existing Condenser: Detach the old unit by loosening mounting bolts, disconnecting refrigerant lines (using a recovery machine), and removing the fan assembly.
3. Prepare New Unit: Attach the supplied adapter plates to the NRF 35393 condenser. Verify that all seals are intact.
4. Mount Condenser: Position the new unit in place, secure with bolts, and tighten to manufacturer specifications.
5. Reconnect Refrigerant Lines: Reattach the high‑pressure and low‑pressure lines, ensuring proper torque on fittings.
6. Electrical Connections: Connect the condenser fan motor to the vehicle’s HVAC control module. Verify polarity and secure wiring harnesses.
7. System Evacuation & Charge: Use a refrigerant recovery system to evacuate air and moisture, then charge with R134a or R1234yf as specified for the vehicle model.
8. Test Operation: Reconnect the battery, start the engine, and activate the HVAC system. Check for proper cooling performance, fan operation, and absence of leaks.

Maintenance & Troubleshooting

Regular maintenance ensures optimal condenser performance and extends its lifespan. Follow these guidelines:

• Visual Inspection: Every six months, inspect fins for debris or damage. Clean with a soft brush if necessary.
• Fan Motor Check: Verify fan operation at all temperature settings; replace the motor if it fails to spin or produces excessive noise.
• Seal Integrity: Inspect O‑rings for wear and replace them annually or if leaks are detected.
• Refrigerant Levels: Monitor refrigerant charge using a pressure gauge; recharge if levels fall below manufacturer specifications.

Troubleshooting Common Issues

Environmental & Safety Considerations

The NRF 35393 condenser is manufactured in compliance with stringent environmental regulations. Key points include:

• RoHS Compliance: The unit contains no hazardous substances such as lead, mercury, or cadmium.
• REACH Certification: All materials meet European Union chemical safety standards.
• Low Emission Refrigerant Compatibility: Designed for R134a and the newer low‑global‑warming potential refrigerant R1234yf, supporting greener HVAC solutions.

Compatibility & Vehicle Integration

The NRF 35393 condenser is engineered to fit seamlessly into a wide range of Daewoo Lanos models. Its mounting geometry matches the original equipment layout, ensuring that:

• All electrical connectors align with factory wiring harnesses.
• Refrigerant line lengths and fittings are compatible without modification.
• The unit’s weight distribution preserves vehicle balance and handling characteristics.

Performance Metrics

Engineered for efficient heat rejection, the NRF 35393 condenser achieves:

• Heat transfer coefficient: 350 W/(m²·K)
• Fan airflow: 1200 CFM at maximum speed
• Noise level: < 55 dB(A) under normal operation
• Energy consumption: 3.5 A at 12 V, translating to approximately 42 W of power usage.

User Experience & Feedback Summary

Owners and technicians report that the NRF 35393 condenser delivers:

• Consistent cooling performance even in high‑temperature climates.
• Minimal maintenance requirements due to durable construction.
• Easy installation with no need for extensive vehicle modifications.

Conclusion

The NRF 35393 Condenser stands out as a reliable, high‑quality component tailored for the Daewoo Lanos family. Its combination of robust materials, advanced thermal design, and compliance with modern environmental standards makes it an excellent choice for both original equipment replacement and aftermarket upgrades. By adhering to the detailed installation and maintenance guidelines provided, users can ensure long‑term performance and a comfortable cabin climate.