Contents
HEVAC&R
PROJECT
28 Expansion makes Fourways Mall biggest in South Africa
CONTRIBUTORS
35 Getting Technical: Viral pandemics prior to Covid-19
38 Support: Compressors and oil pressure failure
41 Responsible Refrigeration: Legally issuing a CoC
43 Back to Basics: Effects of water in an ammonia system
45 Essentials: HVAC, ire & smoke control
46 Letter to the editor: Comments on a published article
TECHNICAL
49 Bitzer Refrigerant Report: Part 3
Heating | Energy | Ventilation | Air Conditioning | Refrigeration
FEATURE
fficient, cost-effective and healthy
flows with evaporative cooling
page
28
PROJECT
Expansion makes Fourways Mall
biggest in South Africa
TECHNICAL
Bitzer refrigerant report:
Part 3
COVER SPONSORED BY
Evapco South Africa (Pty) Ltd
Expansion makes Fourways
Mall biggest in South Africa
Cover image by RACA Journal
COVER SPONSORED BY:
Evapco South Africa (Pty) Ltd
19 28 35
www.hvacronline.co.za RACA Journal I October 2020 3