Chillers

DUNHAM-BUSH is manufacturing an extensive range of Industrial Packaged and Split Type Chillers, using scroll and Dunham-Bush Screw compressors. They are available as Water Cooled and Air Cooled versions either for outdoor as well as indoor application.

Summary of the various ranges is as follows:



a) The range of Air Cooled Chillers, Packaged – Cooling only or Heat-Pump:

OUTDOOR, propellor/axial fan COMPRESSOR TYPE EVAPORATOR TYPE COOLING CAPACITY
in kW
ACS 112 – 133SE SCROLL Direct Expansion 12 - 33
ACS 240 - 6259 SCROLL Direct Expansion 40 - 259
ACDX 40 - 180 SCREW Direct Expansion 142 - 637
AFHX 2286 - 31846 SCREW Flooded 286 - 1846
ACFX SCREW Flooded 288 - 1500
ACX-HP 80 – 250 (heat-pump) SCREW Flooded 281 - 872

The main features of the Packaged Air Cooled Chillers, series ACS are:
• Low noise, compact and reliable design
• Scroll compressor(s), multiple circuits 40 kW and above
• Microprocessor control
• Various options i.e. hydraulic pump station (standard for ACS 112-133SE), coated fins, condensing units cooling only

The main features of the Packaged Air Cooled Chillers, series ACDX and AC(HF)X are:
• Rigid industrial design
• Screw compressor technology with 30 years of reputation
• In ACFX and ACX-HP very high COP’s due to flooded design evaporators
• State-Of-The-Art Micro Controls
• Various options i.e. heat-pump, coated fins, special application, dual (ice) mode

b) The range of Water Cooled Chillers, Packaged – Cooling only or Heat-Pump:
MODEL COMPRESSOR TYPE EVAPORATOR TYPE COOLING CAPACITY
in kW
WCS 12 – 50 SCROLL Direct Expansion 40 - 180
WXC 60 - 195 SCREW Direct Expansion 168 - 686
WCFX 10 - 36-36 SCREW Flooded 202 - 1750
HXWC 240 - 750 SCREW Flooded 840 - 2640
WCOX 56 - 160 SCREW Flooded 1000 - 3530

The main features of the Packaged Water Cooled Chillers, series WCS are:
• Compact and reliable design
• Scroll compressor
• Microprocessor control


The main features of the Packaged Water Cooled Chillers, series WXC, WCFX, HXWC and WCOX are:
• Rigid industrial design
• Screw compressor technology with 30 years of reputation
• In WCFX and WCOX very high COP’s due to flooded design evaporators, tested at ARI-certified testrigs
• Adaptive Microprocessor controls
• Specially suitable for Dunham-Bush Ice Cel Thermal Storage modules