Air Cooled Horizontal Screw Chiller
Series: ACHX-B Helios Series
Heavy-duty twin-compressor chiller — 16 models, 46°C ambient rated
Product Overview
The ACHX-B Helios Series offers 16 models with 50 Hz R-134a refrigerant spanning 90 to 395 RT. Single and twin horizontal screw compressors with independent circuits provide built-in redundancy for mission-critical facilities. Optional micro-channel condenser coils reduce refrigerant charge and improve heat transfer. Operates up to 46°C ambient — critical for Bangladesh's high-humidity summer climate.
Technical Specifications
Cooling Capacity
90 to 395 RT (317 to 1,389 kW)
Models Available
16 Models
Compressor
Single / Twin Horizontal Screw — independent circuits
Condenser Option
Optional All-Aluminium Micro-channel Coil
Ambient Operation
Up to 46°C (115°F)
Refrigerant
R-134a (50 Hz)
Controller
Vision 2020i with EEV
Contact our engineering team for full model selection data and performance curves.
Key Features
AHRI Certified
ASHRAE 90.1 compliant
Twin-circuit redundancy
High ambient 46°C operation
Vision 2020i controller with EEV
Optional micro-channel condenser
50 Hz rated
Typical Applications
Industrial plants
Textile factories
Hospitals
Government complexes
District cooling
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.
