Air Cooled Screw Chiller — Micro-channel
Series: ACHX-D Helios Series
All-aluminium micro-channel condenser with optional VFD and low-GWP HFO refrigerant
Product Overview
The ACHX-D Helios Series combines semi-hermetic horizontal screw compressors with all-aluminium micro-channel condenser technology, delivering outstanding energy efficiency across a capacity range of 93 to 298 TR. Available with environmentally friendly R-134a (ODP=0) or the low-GWP HFO R-513A refrigerant, making it future-proof against evolving F-gas regulations.
Technical Specifications
Cooling Capacity
93 to 298 TR (329 to 875 kW)
Compressor
Semi-Hermetic Horizontal Screw (Optional VFD)
Condenser
All-Aluminium Micro-channel Coil (enhanced heat transfer)
Refrigerant
R-134a (ODP=0) or HFO R-513A (ODP=0, Low GWP)
Controller
Vision 2020i
BMS
BACnet / Modbus compatible
Contact our engineering team for full model selection data and performance curves.
Key Features
AHRI Certified
Optional VFD compressor
All-aluminium micro-channel condenser
Low GWP HFO refrigerant option (R-513A)
Vision 2020i Controller
BMS compatible
Future F-gas compliant
Typical Applications
Industrial factories
Large commercial buildings
Hospitals
Government facilities
Textile mills
Certifications & Standards
AHRIASHRAE 90.1
About Dunham-Bush
Dunham-Bush USA / Malaysia
Global leader in chiller technology since 1894. AHRI-certified screw and centrifugal chillers for heavy industrial and district cooling applications.
