The Basics of VRV and Heat Recovery

Daikin Logo 285

Organisation profile

Daikin Europe N.V. is a leading manufacturer and supplier of heating, ventilation and refrigeration for the residential, commercial and industrial markets.

With more than 95 years of experience in air conditioning and climate control solutions, we are selling in 150 countries world wide with 90 manufacturing facilities and 70,263 staff to support our extensive portfolio of products. 

Training aim

To explain the concept of Variable Refrigerat Volume (VRV) - two pipe offering and particularly the three pipe offering with emphasis on its capability for heat recovery.

Learning objectives

The course will aim to show firstly how the basic refrigeration cycle is used in the VRV system to cool and heat the air, and also explain how the potential for heat recovery can be utilised in your design.

We will also explain the VRV capacity index system and its potential for useful diversity when matching to space load requirements and equally some limitations to be aware of in this respect. The operating envelope and efficiencys of the VRV system shall also be discussed. 

Course outline

An introduction to the principle of VRV.

Trainer's Profile

Paul Keyes

Has worked in the Air Conditioning and Refrigeration industry for almost 40 years, having worked firstly in the contracting sector as a time served engineer installing and servicing a varied  range of products in a multitude of applications.

The last 25 years have been spent in the multi national manufacturing environment in various roles such as field quality assurance, product training, and in recent years as a consultant sales engineer. 

Course duration

45 minutes to 1 hour.

Assessment & certification


Who should attend

Anyone who would like an overview of the benefits of VRV technology


None specified.