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Air conditioning systems with refrigerant R1234yf - General information - Edition 07.2017
Note
The R1234yf refrigerant is currently not referenced in the various
rules and regulations. Due to its chemical composition, however,
it can be assumed that it will be included the next time the relevant
rules and regulations are revised. The rules and regulations per‐
lk
tinent to the R134a refrigerant are therefore to be observed and
adhered to when handling the R1234yf refrigerant.
Maintenance and repairs to refrigerant circuits for air conditioning
systems
Only persons who are deemed to be competent in accordance
with Regulation (EC) No. 307/2008 may carry out repairs and
service work on the refrigerant circuit of an air conditioning system
(applies to countries in which this regulation is valid - different
rules and regulations may apply in other countries).
In general the following applies:
Operation, maintenance, decommissioning, duty to accept re‐
turned material
♦ It is prohibited to allow the release into the atmosphere of ma‐
terials contained in products containing refrigerants during the
operation, maintenance or removal from service of such prod‐
ucts.
♦ Records must be kept about the quantity used during opera‐
tion and repair work so that, if necessary, a schedule of
application can be presented to the relevant authorities on re‐
quest. A record sheet need no longer be kept within the EU
due to respective European parliament legislation from 2005.
Other legislation may apply in countries not belonging to the
EU.
♦ Companies that sell materials and preparations listed in the
above mentioned legislation have a duty to accept returned
materials and preparations after they have been used, or to
ensure that a specified third party will accept them.
♦ Maintenance work and decommissioning of products that con‐
tain refrigerant referred to in the above mentioned legislation.
The returned substances and preparations referred to in this
legislation may also only be accepted by persons who have
the necessary specialist knowledge and technical equipment.
Closed Substance Cycle Waste Management Law (Kreislaufwirt‐
schaftsgesetz, KrWG) as well as processing and disposing of
contaminated refrigerant and refrigerant oil
The respective rules and regulations of the country must be ob‐
served here.
2.2
Charging refrigerant circuit with different
refrigerants
Air conditioning systems developed and designed for R1234yf
refrigerant cannot simply be charged with a different refrigerant,
e.g. R134a.
Note
According to current legislation, R134a refrigerant must not be
charged in vehicles that were type approved for R1234yf refrig‐
erant.
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Rep. gr.00 - Technical data
GETth
English 
