文档介绍:Dunham Bush
Water-Cooled Scroll Chiller
WCS Series
Azman Abdullah
Water Cooled Chillers with pressors
WCS
Water Cooled Chillers with pressors
Capacity Range : 12 – 53 Tons
8 Models : WCS12, 17, 20, 25, 30, 35, 40, 50
pressors
Operating at 2950 RPM
R407c
WCS
WCS 12, 17, 20 and 25 Design
WCS 35, 40 & 50 Design
WCS
Low noise, achieves 63dBA (SPL) at 1 meter away in free field conditions
Small footprint – max ” Length x 35” Depth x 60” Height
For two pressor units, capacity step reduction is as low as 25%.
High Energy Efficiency – EER ( kW/ton)*
*At ARI Condition
Features
WCS
High efficiency
Durability/Reliability Enhancement
Better Liquid Handling
Better Debris Handling
Low Sound Level
Smooth Spectrum and Good Sound Quality
Unloaded Start
pressor
WCS
Dunham-Bush Patented Inner-fin tube Cooler
Evaporator
Evaporator
Constructed in accordance to ASME Section VIII Div 1.
Cooler insulated with 1” thick PE foam
WCS - INNER FIN® Tube
Cold refrigerant gas flows along the aluminum fin surface inside tubes, warm liquid (water) flows across the tubes
Extended surface gives higher heat transfer efficiency
Constructed with outer copper tube and inner aluminum tube, with spiral aluminum fin inserted in between the outer & inner tubes
Excellent efficiency
True counter flow
WCS - INNER FIN® Cooler
Achieve 4 to 5 °F approach temperature