The data, information and descriptions, and the technology described herein are the exclusive intellectual property of Snap-on Climate Solutions S.r.l. and
constitute industrial secrets. Said information is communicated in strict confidentiality; said information may be used only for the purpose for which it is
communicated; said information may not be divulged, communicated, or revealed to third parties and/or reproduced by any means for any reason whatsoever; said
information is protected under applicable Italian competition and industrial property law.
Service manual Cinquecento12 (VA21) [MANUY2V.SB0] ed.1 ver.0.1.doc pag.14 - 09/11/2021
RULES FOR WORKING WITH R1234yf FLUIDS
Under ambient conditions refrigerant fluids are gases. In order to be able to transport and use
them they must be compressed in specific bottles. The precautions for pressure vessels
must therefore be applied. In particular, for R1234yf be careful of the following situations:
- Inhalation of vapours at very high concentrations, even for short periods of time, must be
avoided as it can cause unconsciousness and sudden death.
- R1234yf is flammable and if the vapour is exposed to naked flames or red hot surfaces it
can undergo thermal decomposition with the formation of acid products. The acrid, pungent
odour of these products of decomposition is sufficient to warn of their presence. Avoid
finding yourself in the conditions just mentioned.
- There is no proof of risks resulting from the absorption of R1234yf through the skin,
however, due to its low boiling point it is advisable to wear protective clothing that can
prevent any liquid sprayed or vapour reaching the skin and especially the eyes, where they
could cause the eye fluids to congeal.
- We also recommend no dispersing the R1234yf refrigerant fluid used in the machine,
because it is a substance that contributes to heating the planet, with a global warming
potential (GWP) of 4.
ANY USE THAT DIFFERS FROM THAT JUST DESCRIBED IS NOT ALLOWED BY THE
MANUFACTURER.
Uses not allowed
This machine may not be used for tasks not envisaged or to handle products other than
those envisaged, or for uses other than those specified in paragraphs "Conditions of use
envisaged".
The following are forbidden:
1. Using the machine with a constructive configuration that differs from that envisaged by
the manufacturer.
2. Using the machine in places at risk of explosion and/or fire
3. Adding other systems and/or equipment not considered by the manufacturer in their
working design.
4. Using the machine without the perimeter protection and/or the fixed and mobile guards
tampered wit or removed.
5. Connecting the machine to energy sources other than those envisaged by the
manufacturer.
6. Using the commercial devices for a purpose other than that envisaged by the
manufacturer.
Actions not allowed on the part of the operator
The operator tasked with operating, supervising, and maintaining the machine must not:
1. Use the machine if they have not been trained and informed beforehand as called for
by the law on safety in the workplace
2. Fail to act as described in the operating instructions.
3. Allow unauthorized people to approach and/or use the machine.
4. Tamper with the moving and fixed guards that provide perimeter protection, thereby
also exposing other operators and people to risks of a residual nature.
5. Remove or alter the safety signs (such as pictograms, warning signs, and others) on
the machine.
6. Use the machine without having first read and understood the behavioral, operating
and maintenance information contained in the operating instructions.
7. Leave the maneuvering keys on the electromechanical controls (selectors), pneumatic
controls, and doors of the housings for electrical and electronic materials (electrical
panels and derivation boxes).
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