Dunham-Bush Industrial Chillers WCHX-A

Water Cooled Horizontal Screw Chiller

Series: WCHX-A Hyperion Series

50 Hz R-134a water-cooled screw — PHE economiser and twin-circuit redundancy

Product Overview

The Hyperion WCHX-A is specifically designed for 50 Hz markets using R-134a refrigerant. 13 models span 110 to 275 RT. Twin-compressor independent circuits ensure operational continuity, while the PHE economiser with Electronic Expansion Valve (EEV) delivers excellent capacity control and stability across varying load conditions. A preferred choice for large hospital and government chiller plants in Bangladesh.

Technical Specifications

Cooling Capacity
110 to 275 RT (387 to 967 kW)
Models Available
13 Models
Compressor
Single / Twin Horizontal Screw — independent circuits
Power Supply
50 Hz
Refrigerant
R-134a
Economiser
PHE with Electronic Expansion Valve (EEV)
Controller
Vision 2020i

Contact our engineering team for full model selection data and performance curves.

Key Features

AHRI Certified
ASHRAE 90.1 compliant
Twin-circuit redundancy
PHE economiser with EEV
Compact construction
Vision 2020i controller
50 Hz rated

Typical Applications

Industrial plants
Textile factories
Large hospitals
Government complexes
Banking data centres

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.