Seminar 20-2 -- Multi-Zone VRF PDF

This product is a PDF that contains links to files that consist of PowerPoint slides synchronized with the audio-recording of the speaker (recorded presentation), PDF files of the slides, and audio only (mp3) as noted.

Variable Refrigerant Flow (VRF) systems are continuing to advance in the HVAC market due to their flexibility, individual zone control, and capability for energy efficient operation. This session monitors ongoing efforts to suitably characterize the performance of VRF systems by two different measures: modeling and testing. The modeling study tackles a five-zone VRF system and simulates the performance using a structured approach, identifying key variables and comparing the simulated results to an actual equipment model. A new methodology for testing VRF systems in a laboratory environment is also explored in detail and contrasted against a more traditional dual room psychrometric chamber approach.

Multiple-Zone Variable Refrigerant Flow System Modeling and Equipment Performance Mapping Method (CH-12-C054)
Bo Shen, Rice Keith, Ph.D., Member
This product contains: Recorded Presentation Audio (mp3) Slides (pdf)

Multi-Zone Test Facility for Variable Capacity Multi-Split Heat Pump Systems (CH-12-C055)
Harshal Upadhye, Associate Member, Ronald Domitrovic, Ph.D., Associate Member, Ammi Amarnath
This product contains: Recorded Presentation Audio (mp3) Slides (pdf)