Professional Distributor - 7

COVER STORY

ON THE ROAD
to cool profits

Help customers understand the service
requirements, features, and costs associated
with R-1234yf and today's A/C tools.
by Sara Scullin, Editor

S

hop purchases and service procedure tune-ups are typically dictated
by the vehicles coming through the door. Vehicles rolling into service
bays today are changing how A/C service will be performed, thanks
in no small part to synthetic R-1234yf refrigerant. R-1234yf refrigerant was
codeveloped by DuPont and Honeywell as a successor to R-134a, and
has an ultra-low Global Warming Potential (GWP). While R-134a generally
has a GWP rating of 1,400 or greater, R-1234yf clocks in at less than four.
"In 2021, federal standards will
change and will require manufacturers
to use a refrigerant with a GWP rating of 150 or less, says Chuck Kinkade,
customer experience and product manager lead at MAHLE Service Solutions.
"With carbon dioxide having a GWP
of one [and R-1234yf in the low single-digits], you can see it's a dramatic
improvement for greenhouse gasses and
the environment."
Chuck Abbott, vice president of
automotive sales at CPS Products, adds
that passenger cars and light truck
OEMs are moving all production to
R-1234yf and are on track to have all
vehicles using the gas by 2021.
Because working A/C is as ubiquitous for drivers today as power windows,
A/C issues are not easily ignored ... and
technicians will likely need to get up to
speed (if they haven't already) on the
certifications, tools, and service considerations necessary with new systems.

A CHANGE IN
SERVICE REQUIREMENTS
As vehicles change, so must a shop's
essential gear. Product Manager Jeremy Hyde of Cornwell Tools notes the
demand for R-1234yf service equipment
is at an all-time high. He says in the last
two years, he's seen aftermarket demand
for R-1234yf service equipment increase,
even doubling in 2019. Hyde and manufacturers expect the demand to continue
to grow in the coming years.
When it comes to R-1234yf, shop
owners and technicians should first
make sure they possess 609 certifications from the Mobile Air Conditioning
Society (MACS). Even if they're already
certified, it may be time to brush up on
some of the unique aspects of servicing
new R-1234yf A/C systems.
"With both high-voltage systems
and R-1234yf, the service procedures
are different than what technicians have
been used to with R-134a," says Tim

Wagaman, senior product manager for
Robinair. "While the recovery process is
like that of R-134a, some systems will
work dramatically different ... This is
important to know when diagnosing and
repairing R-1234yf systems."
The first difference to consider is
timing. R-1234yf requires a lengthier
service time. Where R-134a systems
recover and recharge in roughly 25-30
minutes, R-1234yf systems can take up
to 45-50 minutes. This is because SAE
requirements state that the machine
must take extra steps when charging to
help check for leaks and sample refrigerant to ensure it's good, as well as to
recover as much refrigerant as possible
to prevent venting to the atmosphere.
Service procedures now require
refrigerant identification and leak testing prior to charging.
"As R-1234yf is not compatible with
PAG oils used in R-134a systems, technicians must identify and use the proper
oils during service," adds CPS's Abbott.
Another big difference between
R-134a and R-1234yf is the latter's A2L
flammability rating. R-1234yf is mildly
flammable. This impacts workplace
safety considerations, and new SAE
standards apply to equipment used to
service R-1234yf systems (for example,
switches must be spark-free).

Professional Distributor I February 2020 I VehicleServicePros.com 7


http://www.VehicleServicePros.com

Professional Distributor

Table of Contents for the Digital Edition of Professional Distributor

On the Road to Cool Profits
Show Me Your Truck
In Focus Products
Driving Sales
Editor's Note: 2020 and Beyond
Most Wanted
Sneak Peek
Go Sell Something: Make the Most of This Year's Trade Show Season
Diagnostic Tech: Calibrating Forward-facing Radar Sensors
Tales From the Road: Bundle, Tote and Grow
Hand & Specialty Tools Supplement
Specialty Hand Tools: The Problem Solvers
Time to Multitask
Get a Hold on Hand Tool Safety
Electric Vehicle Tool Set
Tool Reviews
Products
M Eagles Tool Warehouse insert
Professional Distributor - 1
Professional Distributor - 2
Professional Distributor - 3
Professional Distributor - Editor's Note: 2020 and Beyond
Professional Distributor - 5
Professional Distributor - On the Road to Cool Profits
Professional Distributor - 7
Professional Distributor - 8
Professional Distributor - 9
Professional Distributor - 10
Professional Distributor - 11
Professional Distributor - 12
Professional Distributor - 13
Professional Distributor - Show Me Your Truck
Professional Distributor - 15
Professional Distributor - Most Wanted
Professional Distributor - 17
Professional Distributor - Sneak Peek
Professional Distributor - 19
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Professional Distributor - Go Sell Something: Make the Most of This Year's Trade Show Season
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Professional Distributor - In Focus Products
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Professional Distributor - Diagnostic Tech: Calibrating Forward-facing Radar Sensors
Professional Distributor - 39
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Professional Distributor - Driving Sales
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Professional Distributor - Tales From the Road: Bundle, Tote and Grow
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Professional Distributor - Hand & Specialty Tools Supplement
Professional Distributor - A2
Professional Distributor - Specialty Hand Tools: The Problem Solvers
Professional Distributor - A4
Professional Distributor - Time to Multitask
Professional Distributor - A6
Professional Distributor - Get a Hold on Hand Tool Safety
Professional Distributor - A8
Professional Distributor - Electric Vehicle Tool Set
Professional Distributor - Tool Reviews
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