Africa ’ s only monthly publication serving the HEVAC & R sectors
RACA Journal : ISSN 1812-772X
Contents
PUBLISHER DETAILS
ISSN 1812-772X
May 2021 I Vol 37 No 3
PUBLISHED BY INTERACT MEDIA DEFINED ( PTY ) LTD 13A Riley Rd , Bedfordview 2009 , South Africa PO Box 695 , Edenvale , 1610 Tel : + 27 ( 0 ) 11 579 4940 | Web : www . interactmedia . co . za
PUBLISHING UNIT LEAD : Dale Macnamara | dale @ interactmedia . co . za EDITOR : Benjamin Brits | benjamin @ interactmedia . co . za
ADVERTISING EXTERNAL SALES Dale Macnamara | sales @ interactmedia . co . za Zeldalee du Toit | zeldalee @ interactmedia . co . za
SUBSCRIPTIONS : Maxlee Marange | mmarange @ interactmedia . co . za Ralph Shongwe | ralph @ interactmedia . co . za
SUB-EDITOR : Tarren Bolton | tarren @ interactmedia . co . za TECHNICAL SUB-EDITOR : Charles Nicolson
DESIGN AND LAYOUT : Glyniss Bone | glyniss @ interactmedia . co . za PROCESS COORDINATOR : Lebo Bucibo | lebo @ interactmedia . co . za
CONTRIBUTORS Charles Nicolson , Grant Laidlaw , Barney Richardson , Andrew Perks , Michael Young , Selele Mashilo , Rhyne Brown and Marius La Grange .
ADVISORY COMMITTEE Martin Braun , Charles Nicolson , Grant Laidlaw , John Parry , Alec Johannsen , Charel Marais , Annemarie Wake , Ralph Cramer and Pat Burke .
REGULARS |
1 |
Hot and chilled |
10 |
Quote of the month |
25 |
Personality profile : Patrick Gwitirwa |
45 |
Humour |
51 |
Products |
56 |
Final Fix |
NEWS 3 Airetronic reports on hospital building and maintenance in the pandemic 6 Issuing of SA ’ s first energy performance certificate
INTERNATIONAL NEWS 9 Immersion cooling technology
EVENTS AND EXHIBITIONS 11 Offering genuine solutions for the energy revolution
ASSOCIATIONS 13 SAIRAC Johannesburg hosts first site visit of 2021
FEATURE 16 Medical Facilities – critical places for the correct HVAC solutions
MANAGEMENT Operations / Finance : Sean Macnamara | sean @ interactmedia . co . za Finance : Laetitia Arnott | laetitia @ interactmedia . co . za
PRINTER : Typo Colour Printing Specialists DISTRIBUTION / MAILING : distribution @ interactmedia . co . za
ENVIRONMENT-FRIENDLY PRINTING : All paper is sourced from the Forest Stewardship Council and Chain of Custody-certified suppliers . All wastepaper from the plant is recycled . All used plates are recycled . All new printing equipment is purchased for low energy-consumption levels and low volatile organic-compound emissions .
DISCLAIMER : While every reasonable precaution has been taken to ensure the accuracy of the advice and information given , neither the editor , publisher , proprietor , staff , nor any official body represented or published in this issue , will accept responsibility for any damages , loss , injuries , or false claims that may arise or be made in the content . Including but not limited to any references to gender , religion , politics , ethnicity , or personal preferences of any editorial contribution whether an industry expert , advertiser through sponsored or paid content or contract writer . We subscribe to the Codes of Conduct of the Advertising Standards Authority ( www . asasa . co . za ) and the Press Ombudsman ( see below ). Disclaimers by individual companies are hereby overridden by this disclaimer .
COPYRIGHT : Reproduction of any of the content and photographs is expressly forbidden in terms of the Copyright Act of 1987 with all amendments . All requests to reproduce must be made in writing to the publisher and such confirmation must be given in writing before proceeding . A copy of where the reproduction was published must be supplied to the publisher at the above address . All publication and exhibition titles are registered as trademarks in terms of the Trademarks Act of 1993 and are held by Interact Media Defined ( Pty ) Ltd , Reg No 2014 / 092774 / 07 .
PROJECT 26 The Arch : Umhlanga ’ s new iconic landmark
CONTRIBUTORS |
35 |
Getting technical : Vindexes developed from PH predict scaling and corrosion in water circuits |
39 |
Support : Working with R32 refrigerant |
41 |
Responsible refrigeration : Clarifying wrong impressions |
43 |
Professionals who care : How geographical location and application can affect the design of |
an HVAC system – Part 5 |
45 |
Essentials : Water treatment in HVAC systems |
46 |
Back to basics : PPE – What is it really all about ? |
47 |
Technology : AI : Changing the way buildings are managed |
TECHNICAL 49 Heat exchangers – Part 2
COVER SPONSORED BY : Fourways | Samsung
PRESS OMBUDSMAN : This publication has committed itself to maintain the highest standards of journalism as embodied in the Press Code of Professional Practice . If you believe we have failed to report news and comment accurately , honestly , and fairly , you may lodge a complaint with the Press Ombudsman either by email , fax , or letter , or by telephoning the office for the procedure to be followed . Website : www . ombudsman . org . za for the press code and complaints procedure . |
26
The Arch : Umhlanga ’ s new iconic landmark
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Heating | Energy | Ventilation | Air Conditioning | Refrigeration FEATURE
PROJECT CONTRIBUTORS
COVER SPONSORSHIP
Medical Facilities – critical places for the The Arch :
AI : Changing the way buildings Fourways | Samsung correct HVAC solution Umhlanga ’ s new iconic landmark are managed
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Cover image by © Grant Pitcher |
When measurement matters |
Oct - Dec 2020 Print : 2708 Online : 4693 |
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RACA Journal I May 2021 |
www . hvacronline . co . za |