CAP. 4 - LAYOUT OF THE MANUAL 16 / 77 ENGLISH
M
ULTIGAS 8500 PLUS
4.4 GUIDELINES FOR THE HANDLING OF REFRIGERANT
4.4.1 Precautions for refrigerant storage
The refrigerant removed from the A/C system must be handled with care to prevent or minimise
the risk of mixing with other refrigerants.
This machine is suitable for treating R134a or R1234yf refrigerants, individually (not
simultaneously).
The external canisters used to store the refrigerants must be clearly marked to prevent mixing
different refrigerants.
Vessels shall be free from oil or other contaminants and clearly marked so as to identify the
refrigerant contained.
ATTENTION: when handling, using and storing R-134a or R-1234yf gas and
dealing with emergency situations, MAKE SURE to refer to the product’s safety
sheet.
OBTAIN THE SAFETY SHEET FROM YOUR REFRIGERANT SUPPLIER AND
FOLLOW ITS INSTRUCTIONS
4.4.2 Conditions of refrigerant and system
The condition of the refrigerant is critical to the operation of the vehicle's A/C system. Running
repairs properly following failure of damage safeguards the quality of the refrigerant itself
(particulates, acids and water).
4.4.3 Recycling capacity
The service equipment's filtering systems must be replaced regularly (see maintenance messages)
to ensure effective recycling.
R134a
R1234yf
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