Danfoss Retrofit Tool User guide

Retrofit Tool

Calculation of performance change of system

components

Norbert Blatz

2019-09-07

Version 1.0

Calculation of the change of performance comparing two refrigerants.

Retrofit Tool

1

Contents

Introduction .............................................................................................................................. 2

Frame of content ...................................................................................................................... 2

The Diagram ............................................................................................................................. 2

3.1 System conditions ............................................................................................................ 3

Component calculation ............................................................................................................ 3

4.1 Specification of the system .............................................................................................. 3

4.2 Compressor ...................................................................................................................... 3

4.3 Heat exchanger ................................................................................................................. 3

4.4 Pipes ................................................................................................................................. 3

4.4.1 Suction and discharge line ............................................................................................ 3

4.4.2 Liquid line ..................................................................................................................... 4

4.5 Control Valves ................................................................................................................... 4

4.6 Expansion valve ................................................................................................................ 4