Pulse Of The Heat Exchanger

Outdoor Units (ODUs)

At KRN Heat Exchanger & Refrigeration Ltd., our Outdoor Units (ODUs) include high-performance Rack Refrigeration Systems and Scroll Condensing Units, designed to support industrial-scale cooling needs with reliability, efficiency, and scalability.

Rack Refrigeration Systems

Our Rack Systems are designed for large-scale cold storage and multi-chamber facilities, offering modular capacity, redundancy, and long-term operational efficiency.

Design & Construction

  • Multi-compressor rack arrangement with screw or reciprocating compressors
  • Compact footprint with raised compressor mounts for easy servicing
  • Suction headers, oil return filters with valves, and electronic oil management with alert systems
  • Welded C-steel frame for durability and stability
  • Available with customizable configurations for specific industrial requirements

Performance Data (Typical Range)

  • Cooling Capacity: 15 kW – 450 kW
  • Compressor Options: Multiple units for redundancy and load sharing
  • Maintenance: Simplified serviceability with modular design

Scroll Condensing Units

Our Scroll Condensing Units are compact, efficient, and reliable, designed for medium and low-temperature refrigeration applications in commercial and light industrial sectors.

Design & Construction

  • High-quality scroll compressors (Emerson ZB series and equivalents)
  • GI powder-coated housing for durability in harsh climates
  • Copper piping with brazed joints for leak-free performance
  • Axial flow fans with optimized air distribution
  • Engineered for tropical conditions with high ambient durability

Performance Data (Typical Range)

  • Cooling Capacity: 1.5 kW – 25 kW
  • Compressor Power: 0.75 HP – 7.5 HP
  • Operating Range: Designed for medium and low-temperature applications
  • Climate Suitability: Optimized for high ambient tropical environments