YHAU-CG/CA Double Effect Direct Fired Chiller/Heaters
120-1,600 TR (422-5,626 kW)
Driven by direct firing of natural gas or light oil, these units provide chilled water and hot water for cooling and heating applications.
- Innovative, two-step evaporator and absorber design combined with parallel flow cycle.
- Suited for natural gas or light oil energy sources
- Variable-frequency drive (VFD) solution pump
Innovative Design for Superior Efficiency
The YORK® YHAU-CG/CA Double-effect, Direct-fired Absorption Chiller offers a broad range of capacities from 120 to 1,600 TR. This unit uses an innovative, two-step evaporator and absorber along with a parallel flow, which enables lower concentrations and minimizes the potential for corrosion and improves efficiency. Our world-class engineering and service organization helps to simplify the chiller operation over the life of the system.
Benefits
OPTIMAL EFFICIENCY
Our YHAU-CG/CA Double-effect, Direct-fired Chiller uses an innovative, two-step evaporator and absorber design that enhances efficiency.
FLEXIBLE DESIGN
Driven by natural gas or light oil energy sources, this unit is suited for a variety of comfort or industrial process cooling applications.
LOWER COST OF OWNERSHIP
World-class engineering and service teams reduce the cost of ownership by simplifying the operating cycle and deliver worry-free peace of mind.
Two-step Evaporator and Absorber
YORK® YHAU-CG/CA Double-effect, Direct-fired Chillers are uniquely designed with a two-step evaporator that has two pressure levels to divide the absorption process. The chilled water flows in tubes through the two evaporators while a concentrated lithium bromide solution is distilled in the absorber shell-side in the opposite direction. This reduces the solution concentration and overall pressure, making the unit more efficient and reliable than conventional absorption chillers.
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Parallel Flow Cycle
The parallel flow cycle divides the solution flow between the low temperature and high-temperature generators into two parallel, balanced paths. Combining our two-step and parallel flow design, the unit can achieve a safer and more efficient operation at a much lower pressure than conventional series-flow designs. Thanks to this innovative design, the LiBr concentration is lower. This results in a relatively low grade for the driving heat source, providing a high coefficient of performance (COP).
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Related Products
- Innovative YORK® two-step evaporator and absorber design enhances absorption of the refrigerant into the concentrated solution, reducing overall pressure and risks of crystallization.
- Lower pressure steam into the generator can be used to drive the absorption cycle for higher system efficiency.
- Solution plate heat exchanger optimizes efficiency by enabling effective heat transfer between the diluted and the concentrated lithium-bromide solutions.
- Innovative YORK® two-step evaporator and absorber design enhances absorption of the refrigerant into the concentrated solution, reducing overall pressure
- Lower temperature hot water source into the generator can be used to drive the absorption cycle for higher system efficiency
- Virtually eliminates crystallization risk and reduces the potential for corrosion
- Two-step evaporator and absorber design enhances absorption of the refrigerant into the concentrated solution, reducing overall pressure.
- Parallel flow cycle enables lower lithium bromide solution concentrations, reducing crystallization risk and the potential for corrosion.
- Variable-frequency drive (VFD) solution pump provides superior part-load performance to reduce steam consumption versus constant-speed pumps.