Welcome to ACHP’s documentation!

ACHP is an open source program written to model direct expansion and secondary loops for residential-scale systems.

It was written by Ian Bell, during his time at the Herrick Labs of Purdue University. He can be contacted with any questions or bugs.

Quickstart:

• To download the executable for ACHP, head to ACHP downloads.
• To download a PDF version of the documentation you see here, click here.

Contents of this website:

• ACHP Graphical User Interface
  • Installation and Setup
  • Tutorial
  • Making Modifications
  • Additional Functionality
• ACHP Cycle Model Description
  • Direct Expansion Cycle Solver
  • Secondary Loop Cycle Solver
  • Cycle Solver Preconditioner
  • General Numerics
  • Frequently Asked Questions
• ACHP Component Models
  • Compressor
  • Fin-Tube Heat Exchangers
  • Heat Exchangers with and without Dehumidification
  • Condenser
  • Cooling Coil
  • Evaporator
  • Multi-Circuited Evaporator
  • Line Set
  • Plate-Heat-Exchangers
  • Fluid Correlations and Other Calculations
  • Appendices