ACtion Magazine - July/August 2014 - (Page 25)
VASA photo
The importance of having a refrigerant identiļ¬er - and using it!
The MACS Worldwide partner in Australia is called the Vehicle Air-conditioning Specialists of Australasia, a.k.a. VASA. Their mission and membership are similar to ours, but there are interesting differences, especially in common work practices of professional
technicians. A shop owner recently wrote an article for VASA's newsletter "Hot Air" that focuses on the consequences.
By Brett Meads
F
or many of us, HVAC diagnosis is our stock in trade.
If you are good at it, you
can keep your customers
happy and earn yourself
a handsome living. And like most
things in life, the more you do it the
better you become. In recent times
the diagnostic goal posts have moved,
and whilst some in our industry have
been challenged by this undesirable
shift, of more concern is the fact that
others in our game have actually been
the cause.
This change in the diagnostic landscape has caught many of us out, because for too long we have based our
diagnostic detective routine on the assumption that the stuff inside the A/C
system is refrigerant. And we make
that assumption because for as long
as we can remember it was true: the
pressure showing on our gauges was
gas, pure refrigerant gas.
Things have changed. If you start
your next HVAC diagnosis based on
the premise that the gauge readings
are measuring pure refrigerant, then
Reader Reply
July/August 2014 * ACtion
25
http://www.omega-usa.com
http://www.omega-usa.com
http://www.macsw.org/imis15/MACS/Publications/ACtion_Reader_Reply/MACS/Publications/ACTION/ACtion_Reader_Reply.aspx?hkey=ac24bddb-c045-442a-813c-cbf05f88ac4d
Table of Contents for the Digital Edition of ACtion Magazine - July/August 2014
Fire truck A/C
The air we breathe
Outlook
Freeze Frame
Leonard's Law
Virtual View
Service Port
Last Watch
Member Profile
By the Numbers
Cooling Corner
Industry News
Association News
New Products
ACtion Magazine - July/August 2014
https://www.nxtbook.com/nxtbooks/macs/action_20170708
https://www.nxtbook.com/nxtbooks/macs/action_20176
https://www.nxtbook.com/nxtbooks/macs/action_201706
https://www.nxtbook.com/nxtbooks/macs/action_201705
https://www.nxtbook.com/nxtbooks/macs/action_201704
https://www.nxtbook.com/nxtbooks/macs/action_201703
https://www.nxtbook.com/nxtbooks/macs/action_20170102
https://www.nxtbook.com/nxtbooks/macs/action_20161112
https://www.nxtbook.com/nxtbooks/macs/action_20160910_v2
https://www.nxtbook.com/nxtbooks/macs/action_20160910
https://www.nxtbook.com/nxtbooks/macs/action_20160708
https://www.nxtbook.com/nxtbooks/macs/action_napa_2016spring
https://www.nxtbook.com/nxtbooks/macs/action_201606
https://www.nxtbook.com/nxtbooks/macs/action_201605
https://www.nxtbook.com/nxtbooks/macs/action_201604
https://www.nxtbook.com/nxtbooks/macs/action_201603
https://www.nxtbook.com/nxtbooks/macs/action_20160102
https://www.nxtbook.com/nxtbooks/macs/action_20151112
https://www.nxtbook.com/nxtbooks/macs/action_20150910
https://www.nxtbook.com/nxtbooks/macs/action_20150708
https://www.nxtbook.com/nxtbooks/macs/action_napa_2015spring
https://www.nxtbook.com/nxtbooks/macs/action_napa_2015spring_v2
https://www.nxtbook.com/nxtbooks/macs/action_201506
https://www.nxtbook.com/nxtbooks/macs/action_201505
https://www.nxtbook.com/nxtbooks/macs/action_201504
https://www.nxtbook.com/nxtbooks/macs/action_201503
https://www.nxtbook.com/nxtbooks/macs/action_20150102
https://www.nxtbook.com/nxtbooks/macs/action_20141112
https://www.nxtbook.com/nxtbooks/macs/action_201409
https://www.nxtbook.com/nxtbooks/macs/action_20140708
https://www.nxtbook.com/nxtbooks/macs/action_201406
https://www.nxtbook.com/nxtbooks/macs/action_201405
https://www.nxtbook.com/nxtbooks/macs/action_201404
https://www.nxtbook.com/nxtbooks/macs/action_201403
https://www.nxtbook.com/nxtbooks/macs/action_20140102
https://www.nxtbook.com/nxtbooks/macs/action_20131112
https://www.nxtbook.com/nxtbooks/macs/action_20130910
https://www.nxtbook.com/nxtbooks/macs/action_201307
https://www.nxtbook.com/nxtbooks/macs/action_201306
https://www.nxtbook.com/nxtbooks/macs/action_201305
https://www.nxtbook.com/nxtbooks/macs/action_201304
https://www.nxtbook.com/nxtbooks/macs/action_201303
https://www.nxtbook.com/nxtbooks/macs/action_20130102
https://www.nxtbook.com/nxtbooks/macs/action_20121112
https://www.nxtbook.com/nxtbooks/macs/action_20120910
https://www.nxtbook.com/nxtbooks/macs/action_201207
https://www.nxtbook.com/nxtbooks/macs/action_201206
https://www.nxtbook.com/nxtbooks/macs/action_201205
https://www.nxtbook.com/nxtbooks/macs/action_20120304
https://www.nxtbook.com/nxtbooks/macs/action_20120102
https://www.nxtbook.com/nxtbooks/macs/action_20111112
https://www.nxtbook.com/nxtbooks/macs/action_20110910
https://www.nxtbookmedia.com